Merge branch 'master' into test

2024-03-15 10:44:43 +01:00 · 2024-03-15 10:44:43 +01:00 · 864175284d
commit 864175284d
parent aa41004c39 d4f8a6c77b
107 changed files with 2657 additions and 2533 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -2,14 +2,108 @@

 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.

-## [27.4.49](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/t27.4.48...t27.4.49) (2023-11-09)
+## [27.4.59](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.4.58...v27.4.59) (2024-02-13)


 ### Bug Fixes

+* **sql:** remove potential bug in relation to missing parenthesis after not_ ([42695cf](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/42695cf5ef9f21691dc027f1ec97d57eec72f03e))
+
+## [27.4.58](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.4.57...v27.4.58) (2024-02-08)
+
+
+### Bug Fixes
+
+* **health:** negative interface routes working as intended now ([3303c4e](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/3303c4eebf928e527d2f9c1eb6e2495c10b94b13))
+* **lms:** previouly failed notifications will be sent again ([263894b](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/263894b05899ce55635d790f5334729fbc655ecc))
+
+## [27.4.57](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.4.56...v27.4.57) (2024-02-06)
+
+
+### Bug Fixes
+
+* **course:** fix [#147](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/issues/147) abort addd participant aborts now ([d332c0c](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/d332c0c11afd8b1dfe1343659f0b1626c968bbde))
+* **health:** fix [#151](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/issues/151) by offering route /health/interface/* ([c71814d](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/c71814d1ef1efc16c278136dfd6ebd86bd1d20db))
+* **health:** fix [#153](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/issues/153) and offer interface health route matching ([ce3852e](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/ce3852e3d365e62b32d181d58b7cbcc749e49373))
+
+## [27.4.56](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.4.55...v27.4.56) (2023-12-20)
+
+
+### Bug Fixes
+
+* **firm:** improve supervisor filter by caching ([88f24fe](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/88f24fe6f199290a83af2d204ba9aa2a838d11b8))
+* **firm:** improve supervisor filter yet once more ([c7b5a3c](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/c7b5a3c6cb70c314ecbfbe25969b4b6be1d43161))
+* **users:** fix [#121](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/issues/121) by providing last login column, which was the last part missing ([decc5af](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/decc5af6829998e2d0db79382bbd9a7bad7b5b09))
+
+## [27.4.55](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.4.54...v27.4.55) (2023-12-14)
+
+
+### Bug Fixes
+
+* **build:** while the blank is necessary to prevent unnecessary migrations, it is not allowed either, see [#133](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/issues/133) ([a4b2af7](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/a4b2af7f157444ead8c9df989741b266f7c2b4f2))
+* **firm:** supervisor filter performance ([db77850](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/db77850c4f4cd1d68bfd38e02e0ae24584e1e556))
+* **migration:** fix [#133](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/issues/133) by removing old outdated migrations irrelevant to FRADrive ([d4f0d69](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/d4f0d69428a4f7fc887cb6854cb59e3dea83b9bc))
+* **migration:** ignore superfluous migration entries gracefully ([1d48b62](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/1d48b627f6b8cf1b03e2ef63850c36c429c9d3d6))
+* **school:** fix [#133](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/issues/133) by adjusting default value ([2509358](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/25093588784381a19f34e5b091677b908420ddea))
+
+## [27.4.54](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.4.53...v27.4.54) (2023-12-11)
+
+
+### Bug Fixes
+
+* **db:** prevent superfluous migrations ([b73557a](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/b73557a1eee4315911c6369032447f8d1836d964))
+
+## [27.4.53](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.4.52...v27.4.53) (2023-12-09)
+
+
+### Bug Fixes
+
+* **admin:** minor fixes and translations for admin problem page ([30fae33](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/30fae33dedb1501e570e9edca288fea3c84ac84a))
+* **avs:** background synch was only triggerd by manual synchs ([48ef25a](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/48ef25aa8ffbbd96c1578ae85b76f090d9042595))
+* **firm:** group multi select field supervisor ([fc0ca7b](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/fc0ca7b854a686cf395dadf81b7423e530fd26b8))
+* **firm:** set supervisor field not all fields required ([9878956](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/9878956716b04c7ae88989cb9b059d3edcb923dc))
+* **firm:** supervisor filter ([3acb847](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/3acb847915010d10358ea02000c231dbba7cba26))
+* **form:** multiSelectField working with grouped options ([3aa8901](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/3aa89019a8b4393da0eca715871a3793c1e3abb2))
+* **print:** keep print jobs on user merge and lms id deletion ([a15862e](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/a15862ea72bc374af870ef3a23f86ae32c2c67a9))
+
+## [27.4.52](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.4.51...v27.4.52) (2023-12-01)
+
+
+### Bug Fixes
+
+* **build:** redundant parenthesis ([50eda5f](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/50eda5f65f7394fe519546609fe748490cb4dd72))
+* **firm:** restrict firm access to company supervisors only ([0a06efd](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/0a06efd76c63180c996657c2c7d78efc5bddd83d))
+* **firm:** supervisor changes led to inconsistent DB ([1d3345c](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/1d3345cbba1cb65ee49c6f62e145750545439642))
+
+## [27.4.51](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.4.50...v27.4.51) (2023-11-24)
+
+
+### Bug Fixes
+
+* **build:** minor errors firm handler ([06bb44c](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/06bb44cf715375b5dd0141a46f8e10924ad6cd9c))
+* **cache:** remove risky caching for submissions ([4ae59fc](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/4ae59fc1fa658e1462139ddddd6dc80308d85872))
+* **firm:** show default supervisors with no employees too ([0f9a7a8](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/0f9a7a8c53d216ca7a6d0a25462b19ab1fa00bb4))
+
+## [27.4.50](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.4.49...v27.4.50) (2023-11-17)
+
+
+### Bug Fixes
+
+* **avs:** preserve unset pin passwords in update ([8c4f848](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/8c4f848675e1125547d1fdfa05560affe4794118))
 * **build:** fix whitespace in routes ([a24e44e](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/a24e44efc9a20d3934d96640bb9e21b3b6d55b96))
+* **build:** minor ([954a239](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/954a23936a35ea6c32247d7e191312e63888c12d))
+* **firm:** add sql indices for frequent filters to greatly enhance performance ([63e6d94](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/63e6d94df2fd1ce879cb59d14bc854f3c2556586))
+* **firm:** firm messaging now works fine ([65cdc8d](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/65cdc8ddfef19eb3a5578c536575f91ba9717a13))
+* **firm:** foreign supervisor counts correct and sortable ([601ce7a](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/601ce7abdf2a392d30f1ff799a2338968be795f1))
+* **firm:** sending messages works, but not test messages ([42ff02d](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/42ff02d27e431a8855db7bf3046a1b74d297e6da))
 * **lms:** improve sorting for firm all ([3865bda](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/3865bda64d488c161b55e1f6eb48ca1b742dff98))
-* **lms:** mark as ended only if not seen for at least one day ([8165892](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/8165892b2e4f945780bb8420cfc4eed50fdd294d))
+* **lms:** LMS restart failing due to old LmsUser entry ([6761767](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/6761767c6ca8cab62a22aa6f755e6231e07ab411))
+
+## [27.4.49](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.4.48...v27.4.49) (2023-11-09)
+
+
+### Bug Fixes
+
 * **lms:** report log did not match qualification ([390ff31](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/390ff317ea3bb4ef8918c9cda858f5f228e4a882))

 ## [27.4.48](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v27.4.47...v27.4.48) (2023-11-07)
@ -26,25 +120,6 @@ All notable changes to this project will be documented in this file. See [standa

 ### Bug Fixes

-* **build:** comment planned model changes ([bc4594b](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/bc4594bea250df07ade834fd908f092c0423e785))
-* **build:** minor ([954a239](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/954a23936a35ea6c32247d7e191312e63888c12d))
-* **build:** Update ParticipantInvite.hs ([f888da3](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/f888da3ab0df45bb3c515ebb7cbb43569fdaa1fa))
-* **build:** Update ParticipantInvite.hs ([fa4f9b2](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/fa4f9b24475261afc1e534541c8878a85e6a1b10))
-* **build:** Update Utils.hs ([87f0b2e](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/87f0b2edab2bcf696b7b776e47272ef2204c0b75))
-* **course:** grant qualifications now issues and unblocks ([5d8d8cf](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/5d8d8cf17e634ecb950a1c329c859fb93f94ef77))
-* **firm:** foreign supervisor counts correct and sortable ([601ce7a](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/601ce7abdf2a392d30f1ff799a2338968be795f1))
-* **hoogle:** remove erroneous comment ([c011d88](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/c011d887cece8338920355b540aa4b233e0b994f))
-* **lms:** disable workaround for late lms success ([cb9e09d](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/cb9e09d071d22f41a92ab8140d7aaa643c748373))
-* **lms:** do not mark lms users with open status as ended ([a848126](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/a84812640f02981875275c96e37338de4ab49996))
-* **lms:** sorting and filtering lms status ([f48862e](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/f48862efbcb95e92203a200267e1bcc613af4af1))
-* **lms:** sorting and filtering lms status works throughout now ([ae44703](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/ae4470333e2b1b5c271b38092210c094822f4a19))
-* **print:** apc ident aliases did not stop at first success ([b7d4f69](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/b7d4f6913d8b1a70c1b7ef73782cf29861dc11a7))
-* **qualifications:** latest block could ignore itself ([bb708ca](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/bb708ca540557b41d33996cfea9a390a457ed855))
-* **sap:** combine immediate next day licence chnages for SAP ([f4adfdf](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/f4adfdf87270930d4ca6611f2a9956613fcace53))
-* **sap:** combine immediate next day licence chnages for SAP ([cbb44f1](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/cbb44f106ad59e0a53ca04963ade5544120b7e21))
-* **sap:** combineBlocks yet another bug squashed ([3924d14](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/3924d14abd868305b42c9d04913536b4999dc45b))
-* **sap:** compileBlocks ([b4a88ab](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/b4a88abcf85783c350ad2bf3a5e973d13d1eb1f6))
-* **sap:** yet another fix for finding date intervals ([fde97b0](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/fde97b048ab04ab59c9e3f2a2f74bb2c1e996b22))
 * **course:** grant qualifications now issues and unblocks ([5d8d8cf](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/5d8d8cf17e634ecb950a1c329c859fb93f94ef77))
 * **users:** allow prefer postal setting for users with fraport department ([a9d56c5](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/a9d56c51dcc727f8637b09a0e849372e75032f5e))

--- a/config/settings.yml
+++ b/config/settings.yml
@ -90,8 +90,9 @@ synchronise-avs-users-interval: "_env:SYNCHRONISE_AVS_INTERVAL:21600"   # alle 6
 study-features-recache-relevance-within: 172800
 study-features-recache-relevance-interval: 293

-# Enqueue at specified hour, dequeue 30min later
-# qualification-check-hour: 3
+# Enqueue at specified hour, a few minutes later
+# job-lms-qualifications-enqueue-hour: 15
+# job-lms-qualifications-dequeue-hour: 3

 log-settings:
  detailed:      "_env:DETAILED_LOGGING:false"
--- a/messages/uniworx/categories/admin/de-de-formal.msg
+++ b/messages/uniworx/categories/admin/de-de-formal.msg
@ -111,7 +111,6 @@ ProblemsDriversHaveAvsIds: Alle Inhaber einer Fahrberechtigung konnten einer AVS
 ProblemsUsersAreReachable: Für alle Benutzer ist eine E-Mail oder postalische Adresse bekannt 
 ProblemsNoStalePrintJobs n@Integer: Alle Briefversandaufträge der vergangenen #{show n} Tage wurden von der Druckerei bestätigt
 ProblemsNoBadAPCIds: Alle kürzlich empfangenen Druckauftragsbestätigungen waren gültig
-ProblemsNoAvsSynchProblems: Synchronisation mit Ausweisverwaltungssystem (AVS) meldete keine Probleme
 ProblemsUnreachableHeading: Unerreichbare Benutzer
 ProblemsUnreachableBody: Benutzer ohne E-Mail oder Postadresse, welche z.B. bei ablaufenden Berechtigungen nicht benachrichtigt werden können:
 ProblemsRWithoutFHeading: Fahrer mit R ohne F
@ -119,4 +118,16 @@ ProblemsRWithoutFBody: Diese Fahrer sind wegen einer ungültigen Vorfeld-Fahrber
 ProblemsNoAvsIdHeading: Fahrer ohne AVS-Id
 ProblemsNoAvsIdBody: Fahrer mit gültiger Fahrberechtigung in FRADrive, welche trotzdem nicht fahren dürfen, da die Fahrberechtigung aufgrund einer unbekannten AVS Id nicht an die Ausweisstelle übermittelt werden konnte:
 ProblemsAvsSynchHeading: Synchronisation AVS Fahrberechtigungen
-ProblemsAvsErrorHeading: Fehlermeldungen
+ProblemsAvsErrorHeading: Fehlermeldungen
+ProblemsInterfaceSince: Berücksichtigt werden nur Erfolge und Fehler seit 
+
+InterfacesOk: Schnittstellen sind ok.
+InterfacesFail n@Int: #{pluralDEeN n "Schnittstellenproblem"}!
+InterfaceStatus !ident-ok: Status
+InterfaceName: Schnittstelle
+InterfaceLastSynch: Zuletzt
+InterfaceSubtype: Betreffend
+InterfaceWrite: Schreibend
+InterfaceSuccess: Rückmeldung
+InterfaceInfo: Nachricht
+InterfaceFreshness: Prüfungszeitraum (h)
--- a/messages/uniworx/categories/admin/en-eu.msg
+++ b/messages/uniworx/categories/admin/en-eu.msg
@ -111,7 +111,6 @@ ProblemsDriversHaveAvsIds: All driving licence holder could be matched with thei
 ProblemsUsersAreReachable: Either Email or postal address is known for all users
 ProblemsNoStalePrintJobs n: All requests for letter mailing within the last #{show n} days were acknowledged as printed by the airport printing center
 ProblemsNoBadAPCIds: All recently received print job ids from Airport Print Center were legit
-ProblemsNoAvsSynchProblems: AVS synchronisation had not problems
 ProblemsUnreachableHeading: Unreachable Users
 ProblemsUnreachableBody: Users without Email nor postal address, who thus cannot be notified about expiring qualifications:
 ProblemsRWithoutFHeading: Drivers having 'R' but not 'F'
@ -119,4 +118,16 @@ ProblemsRWithoutFBody: Drivers without apron driving licence are prohibited from
 ProblemsNoAvsIdHeading: Drivers without AVS id
 ProblemsNoAvsIdBody: Drivers having a valid apron driving licence within FRADrive only, but who may not drive since a missing AVS id prevents communication of the driving licence to AVS:
 ProblemsAvsSynchHeading: Synchronisation AVS Driving Licences
-ProblemsAvsErrorHeading: Error Log
+ProblemsAvsErrorHeading: Error Log
+ProblemsInterfaceSince: Only considering successes and errors since 
+
+InterfacesOk: Interfaces are ok.
+InterfacesFail n: #{pluralENsN n "interface problem"}!
+InterfaceStatus: Status
+InterfaceName: Interface
+InterfaceLastSynch: Last
+InterfaceSubtype: Affecting
+InterfaceWrite: Write
+InterfaceSuccess: Returned
+InterfaceInfo: Message
+InterfaceFreshness: Check hours
--- a/messages/uniworx/categories/courses/courses/de-de-formal.msg
+++ b/messages/uniworx/categories/courses/courses/de-de-formal.msg
@ -95,7 +95,7 @@ CourseParticipantsInvited n@Int: #{n} #{pluralDE n "Einladung" "Einladungen"} pe
 CourseParticipantsAlreadyRegistered n@Int: #{n} #{pluralDE n "Teinehmer:in" "Teilnehmer:innen"} #{pluralDE n "ist" "sind"} bereits zur Kursart angemeldet
 CourseParticipantsAlreadyTutorialMember n@Int: #{n} #{pluralDE n "Teinehmer:in" "Teilnehmer:innen"} #{pluralDE n "ist" "sind"} bereits in dieser Kurs angemeldet
 CourseParticipantsRegistered n@Int: #{n} #{pluralDE n "Teinehmer:in" "Teilnehmer:innen"} erfolgreich zur Kursart angemeldet
-CourseParticipantsRegisteredTutorial n@Int: #{n} #{pluralDE n "Teinehmer:in" "Teilnehmer:innen"} erfolgreich zur Kurs angemeldet
+CourseParticipantsRegisteredTutorial n@Int: #{n} #{pluralDE n "Teinehmer:in" "Teilnehmer:innen"} erfolgreich zum Kurs angemeldet
 CourseParticipantsRegisterConfirmationHeading: Teilnehmer:innen hinzufügen
 CourseParticipantsRegisterUnnecessary: Alle angeforderten Anmeldungen sind bereits vorhanden. Es wurden keine Änderungen vorgenommen.
 CourseParticipantsRegisterConfirmInvalid: Ungültiges Bestätigungsformular!
--- a/messages/uniworx/categories/firm/de-de-formal.msg
+++ b/messages/uniworx/categories/firm/de-de-formal.msg
@ -2,23 +2,59 @@
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later

+FirmSuperDefault: Standardansprechpartner
+FirmSuperForeign: Firmenfremde Ansprechpartner
+FirmSuperIrregular: Irreguläre Ansprechpartner
 FirmAssociates: Firmenangehörige
+FirmContact: Firmenkontakt
+FirmNoContact: Keine allgemeinen Kontaktinformationen bekannt.
 FirmEmail: Allgemeine Email
 FirmAddress: Postanschrift
 FirmDefaultPreferenceInfo: Diese Voreinstellungen gelten nur für neue Firmenangehörige
-FirmAllActNotify: Mitteilung versenden
-FirmAllActResetSupervision: Ansprechpartner für alle Firmenangehörigen zurücksetzen
+FirmAction: Firmenweite Aktion
+FirmActionInfo: Betrifft alle Firmenangehörigen unter Ihrer Aufsicht.
+FirmActNotify: Mitteilung versenden
+FirmActResetSupervision: Ansprechpartner für alle Firmenangehörigen zurücksetzen
+FirmActResetSuperKeep: Bisherige Ansprechpartner der Firmenangehörigen zusätzlich beibehalten?
+FirmActResetMutualSupervision: Ansprechpartner beaufsichtigen sich gegenseitig
+FirmActAddSupersvisors: Ansprechpartner hinzufügen
+FirmActAddSupersEmpty: Es konnten keine Ansprechpartner hinzugefügt werden
+FirmActAddSupersSet n@Int64 postal@(Maybe Bool): #{n} Standardansprechpartner geändert #{maybeBoolMessage postal "" "und auf Briefversand geschaltet" "und Benachrichtigungen per Email gesetzt"}, aber nicht nicht aktiviert.
+RemoveSupervisors ndef@Int64 nact@Int64: #{ndef} Standard Ansprechpartner entfernt#{bool ", aber noch nicht deaktiviert" (", " <> tshow nact <> " aktive Ansprechpartnerbeziehungen gelöscht") (nact > 0)}
+FirmActChangeContactUser: Kontaktinformationen von allen Firmenangehörigen ändern
+FirmActChangeContactFirm: Kontaktinformationen der Firma ändern
+FirmActChangeContactFirmInfo: Firmenkontaktinformationen werden nur für neue Firmenangehörige verwendet, für die sonst keine Kontaktinformationen vorliegen.
+FirmActChangeContactFirmResult: Firmenkontaktinformationen geändert. Betrifft nur neue Firmenangehörige ohne eigene Kontaktinformationen
 FirmUserActNotify: Mitteilung versenden
+FirmUserActResetSupervision: Ansprechpartner auf Firmenstandard zurücksetzen
+FirmUserActSetSupervisor: Ansprechpartner ändern
+FirmNewSupervisor: Neue individuelle Ansprechpartner hinzufügen
+FirmSetSupervisor: Existierende Ansprechpartner hinzufügen
+FirmSetSupersReport nusr@Int64 nspr@Int64 nrem@Int64: Für #{nusr} Firmenangehörige wurden #{nspr} individuelle Ansprechpartner eingetragen#{bool "." (" und " <> tshow nrem <> " individuelle Ansprechpartnerbeziehungen gelöscht.") (nrem >0)}
 FirmUserActMkSuper: Zum Firmenansprechpartner ernennen
+FirmUserActChangeContact: Kontaktinformationen für ausgewählte Firmenangehörige ändern
+FirmResetSupervision rem@Int64 set@Int64: #{tshow set} Ansprechpartner gesetzt#{bool mempty (", " <> tshow rem <> " zuvor gelöscht") (rem > 0)}
 FirmSuperActNotify: Mitteilung versenden
-FirmSuperActRMSuperDef: Standard Firmenansprechpartner entfernen
-FirmSuperActRMSuperAll: Als aktiven Ansprechpartner komplett entfernen
-FirmsNotification: Firmen Benachrichtigung versenden
-FirmNotification fsh@CompanyShorthand: Benachrichtigung an #{fsh} versenden
+FirmSuperActSwitchSuper: Standard Firmenansprechpartner abändern
+FirmSuperActSwitchSuperInfo: Betrifft keine firmenfremden Ansprechpartner und ändert keine aktiven individuellen Ansprechpartnerbeziehungen. Gegebenfalls im Anschluss die Funktion "Ansprechpartner auf Firmenstandard zurücksetzen" nutzen.
+FirmSuperActRMSuperDef: Firmenansprechpartner entfernen
+FirmSuperActRMSuperActive: Auch aktive Ansprechpartnerbeziehungen innerhalb dieser Firma beenden
+FirmsNotification: Firmen E-Mail versenden
+FirmNotification fsh@CompanyShorthand: E-Mail an #{fsh} senden
+FirmsNotificationTitle: Firmen benachrichtigen
+FirmNotificationTitle fsh@CompanyShorthand: #{fsh} benachrichtigen
 FilterSupervisor: Hat aktiven Ansprechpartner
 FilterSupervisorCompany fsh@CompanyShorthand: Hat aktiven Ansprechpartner, #{fsh} der angehört
 FilterSupervisorForeign fsh@CompanyShorthand: Hat aktiven Ansprechpartner, der selbst nicht #{fsh} angehört
 FilterForeignSupervisor: Hat firmenfremde Ansprechpartner
-FilterFirmPostalAddress: Postalische Firmenadresse vorhanden
+FilterFirmExtern: Externe Firma
 FirmSupervisorOf fsh@CompanyShorthand: Ansprechpartner #{fsh} angehörig
-FirmEmployeeOf fsh@CompanyShorthand: Firmenangehörige #{fsh}
+FirmSupervisorIndependent: Ansprechpartner ohne jegliche Firmenzugehörigkeit
+FirmEmployeeOf fsh@CompanyShorthand: Firmenangehörige #{fsh}
+NoCompanySelected: Bitte wählen Sie mindestens eine Firma aus.
+TableIsDefaultSupervisor: Standardansprechpartner
+TableIsDefaultReroute: Standardumleitung
+FormFieldPostal: Benachrichtigungseinstellung
+FormFieldPostalTip: Gilt für alle Benachrichtigungen an diese Person, nicht nur für Umleitungen an diesen Ansprechpartner
+FirmUserChanges n@Int64: Benachrichtigungseinstellung für #{n} Firmenangehörige wurden geändert
+FirmSupervisionKeyData: Kennzahlen Ansprechpartner
--- a/messages/uniworx/categories/firm/en-eu.msg
+++ b/messages/uniworx/categories/firm/en-eu.msg
@ -2,23 +2,59 @@
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later

+FirmSuperDefault: Default supervisor
+FirmSuperForeign: External supervisor
+FirmSuperIrregular: Irregular supervisor
 FirmAssociates: Company associated users
+FirmContact: Company Contact
+FirmNoContact: No general contact information known.
 FirmEmail: General company email
 FirmAddress: Postal address
 FirmDefaultPreferenceInfo: Default setting for new company associates only
-FirmAllActNotify: Send message
-FirmAllActResetSupervision: Reset supervisors for all company associates
+FirmAction: Companywide action
+FirmActionInfo: Affects alle company associates under your supervision.
+FirmActNotify: Send message
+FirmActResetSupervision: Reset supervisors for all company associates
+FirmActResetSuperKeep: Additionally keep existing supervisors of company associates?
+FirmActResetMutualSupervision: Supervisors supervise each other
+FirmActAddSupersvisors: Add supervisors
+FirmActAddSupersEmpty: No supervisors added
+FirmActAddSupersSet n postal: #{n} default company supervisors changed #{maybeBoolMessage postal "" "and switched to postal notifications" "and switched to email notifications"}, but not yet activated.
+RemoveSupervisors ndef nact: #{ndef} default supervisors removed#{bool ", but not yet deactivated" (" and " <> tshow nact <> " active supervisions terminated") (nact > 0)}
+FirmActChangeContactUser: Change contact data for all company associates
+FirmActChangeContactFirm: Change company contact data
+FirmActChangeContactFirmInfo: The company contact data is only used for new company associates that would habe no contact information of their own otherwise.
+FirmActChangeContactFirmResult: Company contact data changed, affecting future company associates without contact information only
 FirmUserActNotify: Send message
+FirmUserActResetSupervision: Reset supervisors to company default
+FirmUserActSetSupervisor: Change supervision
+FirmNewSupervisor: Appoint new individual supervisors
+FirmSetSupervisor: Add existing supervisors
+FirmSetSupersReport nusr@Int64 nspr@Int64 nrem@Int64: #{nspr} individal supervisors set for #{nusr} company associates#{bool "." (" and " <> tshow nrem <> " other individual supervisions terminated.") (nrem >0)}
+FirmResetSupervision rem set: #{tshow set} supervisors set#{bool mempty (", " <> tshow rem <> " deleted before") (rem > 0)}
+FirmUserActChangeContact: Change contact data for selected company associates
 FirmUserActMkSuper: Mark as company supervisor
 FirmSuperActNotify: Send message
-FirmSuperActRMSuperDef: Remove as default supervisor
-FirmSuperActRMSuperAll: Remove all active supervisions for this company
-FirmsNotification: Send company notification
-FirmNotification fsh: Send notification to company #{fsh}
+FirmSuperActSwitchSuper: Change default company supervisor
+FirmSuperActSwitchSuperInfo: Does not affect company-external supervisors and does not change any active individal supervisions. Additionally use reset action, if desired.
+FirmSuperActRMSuperDef: Remove default supervisor
+FirmSuperActRMSuperActive: Also remove active supervisions within this company
+FirmsNotification: Send company notification e-mail
+FirmNotification fsh: Send e-mail to #{fsh}
+FirmsNotificationTitle: Company notification
+FirmNotificationTitle fsh@CompanyShorthand: #{fsh} notification
 FilterSupervisor: Has active supervisor
 FilterSupervisorCompany fsh: Has active company supervisor belonging to #{fsh}
 FilterSupervisorForeign fsh: Has active supervisor not belonging to #{fsh}
 FilterForeignSupervisor: Has company-external supervisors
-FilterFirmPostalAddress: Postal company addresse known
+FilterFirmExtern: External company
 FirmSupervisorOf fsh@CompanyShorthand: Supervisors belonging to #{fsh}
-FirmEmployeeOf fsh@CompanyShorthand: #{fsh} associated users
+FirmSupervisorIndependent: Independent supervisors
+FirmEmployeeOf fsh@CompanyShorthand: #{fsh} associated users
+NoCompanySelected: Select at least one company, please.
+TableIsDefaultSupervisor: Default supervisor
+TableIsDefaultReroute: Default reroute
+FormFieldPostal: Notification type
+FormFieldPostalTip: Affects all notifications to this person, not just reroutes to this supervisor
+FirmUserChanges n: Notification settings changed for #{n} company associates
+FirmSupervisionKeyData: Supervision key data
--- a/messages/uniworx/categories/qualification/de-de-formal.msg
+++ b/messages/uniworx/categories/qualification/de-de-formal.msg
@ -84,14 +84,8 @@ CsvColumnLmsDate: Datum des E‑Learning Ereignisses
 CsvColumnLmsResetTries: Anzahl der bisher verbrauchten E‑Learning Prüfungsversuche zurücksetzen
 CsvColumnLmsLock: E‑Learning Login gesperrt
 CsvColumnLmsResult !ident-ok: LMS Status
-LmsUserlistInsert: Neuer LMS User
-LmsUserlistUpdate: LMS User Aktualisierung
-LmsResultInsert: Neues LMS Ergebnis
-LmsResultUpdate: LMS Ergebnis Aktualisierung
 LmsReportInsert: Neues LMS Ereignis
 LmsReportUpdate: LMS Ereignis Aktualisierung
-LmsResultCsvExceptionDuplicatedKey: CSV-Import LmsResult fand uneindeutigen Schlüssel
-LmsUserlistCsvExceptionDuplicatedKey: CSV-Import LmsUserlist fand uneindeutigen Schlüssel
 LmsReportCsvExceptionDuplicatedKey: CSV-Import LmsReport fand uneindeutigen Schlüssel
 LmsDirectUpload: Direkter Upload für automatisierte Systeme
 LmsErrorNoRefreshElearning: Fehler: E‑Learning wird nicht automatisch gestartet, da die Zeitspanne für den Erneurerungszeitraum nicht festgelegt wurde.
@ -138,7 +132,5 @@ LmsNotificationSend n@Int: E‑Learning Benachrichtigungen an #{n} #{pluralDE n
 LmsPinRenewal n@Int: E‑Learning Passwort ausgetauscht für #{n} #{pluralDE n "Prüfling" "Prüflinge"}.
 LmsActionFailed n@Int: Aktion nicht durchgeführt für #{n} #{pluralDE n "Person" "Personen"}, da diese derzeit nicht an einer Prüfung teilnehmen.
 LmsStarted: E‑Learning eröffnet
-LmsAutomaticQueuing n@Natural: Die folgenden Funktionen werden normalerweise einmal pro Tag um #{show n} Uhr ausgeführt.
-LmsManualQueuing: Die folgenden Funktionen sollten einmal pro Tag ausgeführt werden.
 BtnLmsEnqueue: Nutzer mit ablaufenden Qualifikationen zum E‑Learning anmelden und benachrichtigen
-BtnLmsDequeue: Nutzer mit beendetem E‑Learning ggf. benachrichtigen und aufräumen 
+BtnLmsDequeue: Nutzer mit beendetem E‑Learning aufräumen und ggf. benachrichtigen
--- a/messages/uniworx/categories/qualification/en-eu.msg
+++ b/messages/uniworx/categories/qualification/en-eu.msg
@ -7,7 +7,7 @@ QualificationName: Qualification
 QualificationDescription: Description
 QualificationValidIndicator: Validity
 QualificationValidDuration: Validity period
-QualificationAuditDuration: Audit log keept
+QualificationAuditDuration: Audit log retention period
 QualificationAuditDurationTooltip n@Int: Optional period for deletion of e‑learning data. Note that the e‑learning server may delete its anonymised data earlier, at most #{n} days after closing.
 QualificationRefreshWithin: Refresh within
 QualificationRefreshWithinTooltip: Optional period before expiry to start e‑learning and send a notification by post or email.
@ -19,7 +19,7 @@ QualificationExpiryNotificationTooltip: Qualification holder are notfied upon in
 TableQualificationCountActive: Active
 TableQualificationCountActiveTooltip: Number of currently valid qualification holders
 TableQualificationCountTotal: Total
-TableQualificationIsAvsLicence: AVS Driving License
+TableQualificationIsAvsLicence: AVS driving license
 TableQualificationIsAvsLicenceTooltip: Under which name is this qualification synchronized with AVS, if any? Only applies to qualification holders having an AVS PersonID.
 TableQualificationSapExport: Sent to SAP
 TableQualificationSapExportTooltip: Is this qualification transmitted to SAP? Only applies to qualification holder having a Fraport AG personnel number.
@ -84,14 +84,8 @@ CsvColumnLmsResetTries: Reset number of used up e‑learning exam attempts
 CsvColumnLmsDate: Date of e‑learning event
 CsvColumnLmsResult: LMS Status
 CsvColumnLmsLock: E‑learning login is not permitted
-LmsUserlistInsert: New LMS user
-LmsUserlistUpdate: Update of LMS user
-LmsResultInsert: New LMS result
-LmsResultUpdate: Update of LMS result
 LmsReportInsert: New LMS event
 LmsReportUpdate: Update of LMS event
-LmsResultCsvExceptionDuplicatedKey: CSV import LmsResult with ambiguous key
-LmsUserlistCsvExceptionDuplicatedKey: CSV import LmsUserlist with ambiguous key
 LmsReportCsvExceptionDuplicatedKey: CSV Import LmsReport with ambiguous key
 LmsDirectUpload: Direct upload for automated systems
 LmsErrorNoRefreshElearning: Error: E‑learning will not be started automatically due to refresh-within time period not being set.
@ -138,7 +132,5 @@ LmsNotificationSend n: E‑learning notifications will be sent to #{n} #{pluralE
 LmsPinRenewal n: E‑learning password replaced randomly for #{n} #{pluralENs n "examinee"}.
 LmsActionFailed n: No action for #{n} #{pluralENs n "person"}, since there was no ongoing examination.
 LmsStarted: E‑learning open since
-LmsAutomaticQueuing n@Natural: The following functions are executed daily at #{show n} o'clock.
-LmsManualQueuing: The following functions should be executed daily.
-BtnLmsEnqueue: Enqueue users with expiring qualifications for e‑learning and notify them.
-BtnLmsDequeue: Dequeue users with finished e‑learning and notify, if appropriate.
+BtnLmsEnqueue: Enqueue users with expiring qualifications for e‑learning and notify them
+BtnLmsDequeue: Dequeue users with finished e‑learning and notify failed users
--- a/messages/uniworx/categories/send/send_notifications/de-de-formal.msg
+++ b/messages/uniworx/categories/send/send_notifications/de-de-formal.msg
@ -103,4 +103,4 @@ MailSupervisorNoCopy: Warnung: Diese Nachricht wurde nicht an den eigentlichen E
 MailSupervisedNote: Hinweis
 MailSupervisedBody: Eine Kopie dieser Nachricht wurde auch an folgende in FRADrive eingetragene Ansprechpartner gesendet:
 MailSupervisorReroute: Benachrichtigungsumleitung
-MailSupervisorRerouteTooltip: Alle Benachrichtigungen werden stattdessen an alle Ansprechpartner mit Benachrichtigungsumleitung gesandt
+MailSupervisorRerouteTooltip: Alle Benachrichtigungen werden stattdessen an diese Ansprechpartner mit Benachrichtigungsumleitung gesandt
--- a/messages/uniworx/categories/send/send_notifications/en-eu.msg
+++ b/messages/uniworx/categories/send/send_notifications/en-eu.msg
@ -103,4 +103,4 @@ MailSupervisorNoCopy: Warning: This message was not sent to the original recipie
 MailSupervisedNote: Please note
 MailSupervisedBody: A copy of this message has been sent to all supervisors registered for you in FRADrive, namely:
 MailSupervisorReroute: Reroute notifications
-MailSupervisorRerouteTooltip: All notification will be sent to all supervisors with notification rerouting instead
+MailSupervisorRerouteTooltip: All notification will be rerouted to these supervisors instead
--- a/messages/uniworx/misc/de-de-formal.msg
+++ b/messages/uniworx/misc/de-de-formal.msg
@ -10,6 +10,7 @@ BoolIrrelevant !ident-ok: —
 FieldPrimary: Hauptfach
 FieldSecondary: Nebenfach
 MultiEmailFieldTip: Es sind mehrere, Komma-separierte, E-Mail-Adressen möglich
+MultiSelectTip: Mehrfachauswahl und Abwählen mit Strg-Klick
 WeekDay: Wochentag
 LdapIdentificationOrEmail: Fraport AG-Kennung / E-Mail-Adresse
 Months num@Int64: #{num} #{pluralDE num "Monat" "Monate"}
--- a/messages/uniworx/misc/en-eu.msg
+++ b/messages/uniworx/misc/en-eu.msg
@ -10,6 +10,7 @@ BoolIrrelevant: —
 FieldPrimary: Major
 FieldSecondary: Minor
 MultiEmailFieldTip: Multiple emails addresses may be specified (comma-separated)
+MultiSelectTip: Multiple selection and desection via Ctrl-Click
 WeekDay: Day of the week
 LdapIdentificationOrEmail: Fraport AG-Kennung / email address
 Months num: #{num} #{pluralEN num "Month" "Months"}
--- a/messages/uniworx/utils/navigation/menu/de-de-formal.msg
+++ b/messages/uniworx/utils/navigation/menu/de-de-formal.msg
@ -23,6 +23,7 @@ MenuPayments: Zahlungsbedingungen

 MenuInstance: Instanz-Identifikation
 MenuHealth: Instanz-Zustand
+MenuHealthInterface: Schnittstellen Zustand
 MenuHelp: Hilfe
 MenuProfile: Anpassen
 MenuLogin !ident-ok: Login
@ -124,8 +125,6 @@ MenuLmsUser: Benutzerqualifikationen
 MenuLmsUserSchool: Bereichs Benutzerqualifikationen
 MenuLmsUserAll: Alle Benutzerqualifikationen
 MenuLmsUsers: Veralteter Export E‑Learning Benutzer
-MenuLmsUserlist: Veraltetes Melden E‑Learning Benutzer
-MenuLmsResult: Veralteter Melden Ergebnisse E‑Learning
 MenuLmsUpload: Hochladen
 MenuLmsDirectUpload: Direkter Upload
 MenuLmsDirectDownload: Direkter Download
@ -138,6 +137,7 @@ MenuFirmUsers: Angehörige
 MenuFirmSupervisors: Ansprechpartner
 MenuFirmsComm: Mitteilung

+MenuInterfaces: Schnittstellen
 MenuSap: SAP Schnittstelle

 MenuAvs: AVS Schnittstelle
@ -146,6 +146,8 @@ MenuLdap: LDAP Schnittstelle
 MenuApc: Druckerei
 MenuPrintSend: Manueller Briefversand
 MenuPrintDownload: Brief herunterladen
+MenuPrintLog: LPR Schnittstelle
+MenuPrintAck: Druckbestätigung

 MenuApiDocs: API-Dokumentation (Englisch)
 MenuSwagger !ident-ok: OpenAPI 2.0 (Swagger)
--- a/messages/uniworx/utils/navigation/menu/en-eu.msg
+++ b/messages/uniworx/utils/navigation/menu/en-eu.msg
@ -23,6 +23,7 @@ MenuPayments: Payment Terms

 MenuInstance: Instance identification
 MenuHealth: Instance health
+MenuHealthInterface: Interface health
 MenuHelp: Support
 MenuProfile: Settings
 MenuLogin: Login
@ -70,7 +71,6 @@ MenuCourseDelete: Delete course
 MenuSubmissionNew: Create submission
 MenuSubmissionOwn: Submission
 MenuCorrectors: Correctors
-
 MenuSheetEdit: Edit exercise sheet
 MenuSheetDelete: Delete exercise sheet
 MenuSheetClone: Clone exercise sheet
@ -125,8 +125,6 @@ MenuLmsUser: User Qualifications
 MenuLmsUserSchool: Institute User Qualifications
 MenuLmsUserAll: All User Qualifications
 MenuLmsUsers: Legacy download e‑learning users
-MenuLmsUserlist: Legacy upload e‑learning users
-MenuLmsResult: Legacy upload r‑learning results
 MenuLmsUpload: Upload
 MenuLmsDirectUpload: Direct Upload
 MenuLmsDirectDownload: Direct Download
@ -139,6 +137,7 @@ MenuFirmUsers: Associates
 MenuFirmSupervisors: Supervisors
 MenuFirmsComm: Messaging

+MenuInterfaces: Interfaces
 MenuSap: SAP Interface 

 MenuAvs: AVS Interface
@ -147,6 +146,8 @@ MenuLdap: LDAP Interface
 MenuApc: Printing
 MenuPrintSend: Send Letter
 MenuPrintDownload: Download Letter
+MenuPrintLog: LPR Interface
+MenuPrintAck: Acknowledge Printing

 MenuApiDocs: API documentation
 MenuSwagger: OpenAPI 2.0 (Swagger)
--- a/messages/uniworx/utils/table_column/de-de-formal.msg
+++ b/messages/uniworx/utils/table_column/de-de-formal.msg
@ -104,4 +104,6 @@ TableJobActDeleteFeedback n@Int m@Int: #{n}/#{m} Jobs entfernt
 TableFilterComma: Es können mehrere alternative Suchkriterien mit Komma getrennt angegeben werden, wovon mindestens eines erfüllt werden muss.
 TableFilterCommaPlus: Mehrere alternative Suchkriterien mit Komma trennen. Mindestens ein Suchkriterium muss erfüllt werden, zusätzlich zu allen Suchkriterien mit vorangestelltem Plus-Symbol.
 TableFilterCommaName: Mehrere Namen mit Komma trennen.
-TableFilterCommaNameNr: Mehrere Namen oder Nummern mit Komma trennen. Nummern werden nur exakt gesucht.
+TableFilterCommaNameNr: Mehrere Namen oder Nummern mit Komma trennen. Nummern werden nur exakt gesucht.
+TableUserEdit: Benutzer bearbeiten
+TableRows: Zeilen
--- a/messages/uniworx/utils/table_column/en-eu.msg
+++ b/messages/uniworx/utils/table_column/en-eu.msg
@ -104,4 +104,6 @@ TableJobActDeleteFeedback n@Int m@Int: #{n}/#{m} queued jobs deleted
 TableFilterComma: Separate multiple alternative filter criteria by comma, at least one of which must be fulfilled.
 TableFilterCommaPlus: Separate multiple alternative filter criteria by comma, at least one of which must be fulfilled in addition to all criteria preceded by a plus symbol.
 TableFilterCommaName: Separate names by comma.
-TableFilterCommaNameNr: Separate names and numbers by comma. Numbers have to match exact.
+TableFilterCommaNameNr: Separate names and numbers by comma. Numbers have to match exact.
+TableUserEdit: Edit user
+TableRows: Rows
--- a/messages/uniworx/utils/utils/de-de-formal.msg
+++ b/messages/uniworx/utils/utils/de-de-formal.msg
@ -18,6 +18,8 @@ CommRecipients: Empfänger:innen
 CommRecipientsTip: Sie selbst erhalten immer eine Kopie der Nachricht
 CommRecipientsList: Die an Sie selbst verschickte Kopie der Nachricht wird, zu Archivierungszwecken, eine vollständige Liste aller Empfänger:innen enthalten. Die Empfängerliste wird im CSV-Format an die E-Mail angehängt. Andere Empfänger:innen erhalten die Liste nicht. Bitte entfernen Sie dementsprechend den Anhang bevor Sie die E-Mail weiterleiten oder anderweitig mit Dritten teilen.
 UtilEMail: E-Mail
+UtilPostal: Brief
+UtilUnchanged: Nicht verändern
 UtilMultiEmailFieldTip: Es sind mehrere, Komma-separierte, E-Mail-Adressen möglich
 RGTutorialParticipants tutn@TutorialName: Kursteilnehmer:innen (#{tutn})
 RGExamRegistered examn@ExamName: Angemeldet zur Prüfung „#{examn}“
@ -94,6 +96,9 @@ RoomReferenceLinkLink !ident-ok: Link
 RoomReferenceLinkLinkPlaceholder !ident-ok: URL
 RoomReferenceLinkInstructions: Anweisungen
 RoomReferenceLinkInstructionsPlaceholder: Anweisungen
+UtilEmptyChoice: Auswahl war leer
+UtilEmptyNoChangeTip: Eine leere Eingabe belässt den vorherigen Wert unverändert.
+MultiNoSelection: Keine Auswahl

 #invitation.hs
 InvitationAction: Aktion
--- a/messages/uniworx/utils/utils/en-eu.msg
+++ b/messages/uniworx/utils/utils/en-eu.msg
@ -18,6 +18,8 @@ CommRecipients: Recipients
 CommRecipientsTip: You always receive a copy of the message
 CommRecipientsList: For archival purposes the copy of the message sent to you will contain a complete list of all recipients. The list of recipients will be attached to the email in CSV-format. Other recipients do not receive the list. Thus, please remove the attachment before you forward the email or otherwise share it with third parties.
 UtilEMail: Email
+UtilPostal: Postal
+UtilUnchanged: No change
 UtilMultiEmailFieldTip: Multiple emails addresses may be specified (comma-separated)
 RGTutorialParticipants tutn: Course participants (#{tutn})
 RGExamRegistered examn: Registered for exam “#{examn}”
@ -94,6 +96,9 @@ RoomReferenceLinkLink: Link
 RoomReferenceLinkLinkPlaceholder: URL
 RoomReferenceLinkInstructions: Instructions
 RoomReferenceLinkInstructionsPlaceholder: Instructions
+UtilEmptyChoice: Empty selection
+UtilEmptyNoChangeTip: Existing values remain unchanged if this field is left empty.
+MultiNoSelection: No selection

 #invitation.hs
 InvitationAction: Action
--- a/models/audit.model
+++ b/models/audit.model
@ -1,4 +1,4 @@
-- SPDX-FileCopyrightText: 2022 Gregor Kleen <gregor.kleen@ifi.lmu.de>
+-- SPDX-FileCopyrightText: 2022-23 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Steffen Jost <s.jost@fraport.de>
 --
 -- SPDX-License-Identifier: AGPL-3.0-or-later

@ -9,4 +9,23 @@ TransactionLog
  initiator UserId Maybe -- User associated with performing this action
  remote IP Maybe -- Remote party that triggered this action via HTTP
  info Value -- JSON-encoded `Transaction`
-  deriving Eq Read Show Generic
+  deriving Eq Read Show Generic
+
+InterfaceLog  
+  interface Text
+  subtype   Text
+  write     Bool                  -- requestMethod /= GET, i.e. True implies a write to FRADrive
+  time      UTCTime
+  rows      Int Maybe             -- number of datasets transmitted  
+  info      Text                  -- addtional status information
+  success   Bool default=true     -- false logs a failure; but it will be overwritten by next transaction, but logged in TransactionLog
+  UniqueInterfaceSubtypeWrite interface subtype write
+  deriving Eq Read Show Generic
+
+InterfaceHealth
+  interface Text
+  subtype   Text Maybe
+  write     Bool Maybe
+  hours     Int  
+  UniqueInterfaceHealth interface subtype write !force -- Note that nullable fields must be either empty or unique
+  deriving Eq Read Show Generic
--- a/models/lms.model
+++ b/models/lms.model
@ -20,7 +20,7 @@ Qualification
  SchoolQualificationShort school shorthand            -- must be unique per school and shorthand
  SchoolQualificationName  school name                 -- must be unique per school and name
  -- across all schools, only one qualification may be a driving licence:
-  UniqueQualificationAvsLicence avsLicence      !force
+  UniqueQualificationAvsLicence avsLicence      !force -- either empty or unique
    -- NOTE: two NULL values are not equal for the purpose of Uniqueness constraints!
  deriving Eq Generic

@ -97,25 +97,20 @@ QualificationUserBlock
  --     - delete-flag: isJust LmsUserStatus
  --   Note: REST means that LmsUserResetPin and LmsUserDelete remain unchanged by this GET request!
  --
-  -- 3. REST POST Userlist.csv: just save as is to LmsUserlist
+  -- 3. REST POST Report.csv: just save as is to LmsReport for later processing
  --
-  -- 4. REST POST Ergebnisse.csv: just save as is to LmsResult
-  --
-  -- 5. When received: Job LmsUserlist:               -- Note: containment needs at-once processing
+  -- 4. When received: Job LmsReport:               -- Note: containment needs at-once processing
  --     - For all LmsUser:
  --         + if contained:
  --              set LmsUserReceived to Just now()
-  --              if LmsUserlistFailed: set LmsUserStatus to Just LmsBlocked now
+  --              if Failed:  set LmsUserStatus to Just LmsBlocked now
+  --              if Success: set LmsUserStatus to Just LmsSuccess now
+  --                          and renew QualificationValidTo
  --         + not contained, by LmsUserReceived is set: set LmsUserEnded to Just now()
  --     - move row to LmsAudit
  --
-  -- 6. When received: Daily Job LmsResult:
-  --     - set LmsUserReceived to Just now()             -- always
-  --     - set LmsUserStatus   to Just LmsSuccess now    -- conditional
-  --     -   and renew QualificationValidTo
-  --     - move row to LmsAudit
-  --
-  -- 7. Daily Job: dequeue LMS Users
+  -- 5. Daily Job: dequeue LMS Users
+  --     - fail and mark expired LmsUser
  --     - remove from LmsUser after audit Period has passed

 LmsUser
@ -146,24 +141,6 @@ LmsUser
 --   UniqueLmsUserStatus lmsUser -- enforcing uniqueness prohibits history
 --   deriving Generic

-- DEPRECATED V1 LmsUserlist stores LMS upload for later processing only
-LmsUserlist
-  qualification     QualificationId OnDeleteCascade OnUpdateCascade
-  ident             LmsIdent        
-  failed            Bool
-  timestamp         UTCTime         default=now()
-  UniqueLmsUserlist qualification ident
-  deriving Generic Show
-
-- DEPRECATED V1 LmsResult stores LMS upload for later processing only
-LmsResult
-  qualification     QualificationId OnDeleteCascade OnUpdateCascade
-  ident             LmsIdent        
-  success           Day             -- BEWARE: timezone is local as submitted by LMS
-  timestamp         UTCTime         default=now()
-  UniqueLmsResult qualification ident -- required by DBTable
-  deriving Generic
-
 -- V2 Stores LMS upload for processing in Background Job
 LmsReport
  qualification     QualificationId OnDeleteCascade OnUpdateCascade
--- a/models/print.model
+++ b/models/print.model
@ -9,11 +9,11 @@ PrintJob
  file            ByteString      -- stores plain pdf; otherwise use FileContentReference Maybe
  created         UTCTime
  acknowledged    UTCTime Maybe
-  recipient       UserId Maybe          OnDeleteCascade OnUpdateCascade   -- optional as some letters may contain just an address
+  recipient       UserId Maybe          OnDeleteSetNull OnUpdateCascade   -- optional as some letters may contain just an address
  sender          UserId Maybe          OnDeleteSetNull OnUpdateCascade   -- senders and associations are optional
  course          CourseId Maybe        OnDeleteCascade OnUpdateCascade
  qualification   QualificationId Maybe OnDeleteCascade OnUpdateCascade
-  lmsUser         LmsIdent        Maybe OnDeleteCascade OnUpdateCascade   -- allows tracking if recipient has been notified; must be unique  
+  lmsUser         LmsIdent        Maybe OnDeleteSetNull OnUpdateCascade   -- allows tracking if recipient has been notified; must be unique  
  -- UniquePrintJobLmsUser lmsUser -- Note that in fact multiple print jobs per LMS user are possible!
  -- UniquePrintJobApcIdent apcIdent -- TODO: not yet enforced, since LmsIdent is currently used
  deriving Generic
--- a/models/schools.model
+++ b/models/schools.model
@ -10,8 +10,8 @@ School json
    examMinimumRegisterBeforeStart NominalDiffTime Maybe
    examMinimumRegisterDuration    NominalDiffTime Maybe
    examRequireModeForRegistration Bool default=false
-    examDiscouragedModes ExamModeDNF default='{"dnf-terms":[]}'  -- This comment fixes syntax highlighting error only " 
-    examCloseMode ExamCloseMode default='separate'
+    examDiscouragedModes ExamModeDNF
+    examCloseMode ExamCloseMode default='separate' 
    sheetAuthorshipStatementMode SchoolAuthorshipStatementMode default='optional'
    sheetAuthorshipStatementDefinition AuthorshipStatementDefinitionId Maybe
    sheetAuthorshipStatementAllowOther Bool default=true
--- a/models/users.model
+++ b/models/users.model
@ -2,7 +2,7 @@
 --
 -- SPDX-License-Identifier: AGPL-3.0-or-later

-- The files in /models determine the database scheme.
+-- The files in /models determine t he database scheme.
 -- The organisational split into several files has no operational effects.
 -- White-space and case matters: Each SQL table is named in 1st column of this file
 -- Indendent lower-case lines describe the SQL-columns of the table with name, type and options
@ -34,7 +34,7 @@ User json    -- Each Uni2work user has a corresponding row in this table; create
    timeFormat     DateTimeFormat "default='%R'"             -- preferred Time-only display format for user; user-defined
    downloadFiles  Bool default=false           -- Should files be opened in browser or downloaded? (users often oblivious that their browser has a setting for this)
    languages      Languages Maybe          -- Preferred language; user-defined
-    notificationSettings NotificationSettings  "default='{}'::jsonb"   -- Bit-array for which events email notifications are requested by user; user-defined
+    notificationSettings NotificationSettings  "default='{}'::jsonb"   -- Bit-array for which events email notifications are requested by user; user-defined; missing fields in json object will be parsed to default trigger
    warningDays    NominalDiffTime default=1209600 -- timedistance to pending deadlines for homepage infos
    csvOptions     CsvOptions "default='{}'::jsonb"
    sex            Sex Maybe  -- currently ignored
--- a/nix/docker/version.json
+++ b/nix/docker/version.json
@ -1,3 +1,3 @@
 {
-  "version": "27.4.49"
+  "version": "27.4.59"
 }
--- a/package-lock.json
+++ b/package-lock.json
@ -1,6 +1,6 @@
 {
  "name": "uni2work",
-  "version": "27.4.49",
+  "version": "27.4.59",
  "lockfileVersion": 1,
  "requires": true,
  "dependencies": {
--- a/package.json
+++ b/package.json
@ -1,6 +1,6 @@
 {
  "name": "uni2work",
-  "version": "27.4.49",
+  "version": "27.4.59",
  "description": "",
  "keywords": [],
  "author": "",
--- a/package.yaml
+++ b/package.yaml
@ -1,5 +1,5 @@
 name: uniworx
-version: 27.4.49
+version: 27.4.59
 dependencies:
  - base
  - yesod
@ -259,6 +259,7 @@ ghc-options:
  - -j
  - -freduction-depth=0
  - -fprof-auto-calls
+  - -g
 when:
  - condition: flag(pedantic)
    ghc-options:
--- a/52
+++ b/52
@ -79,24 +79,26 @@

 /print                                PrintCenterR    GET POST  !system-printer
 /print/acknowledge/#Day/#Int/#Int     PrintAckR       GET POST  !system-printer
-/print/acknowledge/direct             PrintAckDirectR     POST  !system-printer
+/print/acknowledge/direct             PrintAckDirectR GET POST  !system-printer
 /print/send                           PrintSendR      GET POST
 /print/download/#CryptoUUIDPrintJob   PrintDownloadR  GET       !system-printer
+/print/log                            PrintLogR       GET       !system-printer

-/health                       HealthR          GET              !free
-/instance                     InstanceR        GET              !free
-/info                         InfoR            GET              !free
-/info/lecturer                InfoLecturerR    GET              !free
-/info/supervisor              InfoSupervisorR  GET              !free
-/info/legal                   LegalR           GET              !free
-/info/glossary                GlossaryR        GET              !free
-/info/faq                     FaqR             GET              !free
-/info/terms-of-use            TermsOfUseR      GET              !free
-/info/payments                PaymentsR        GET              !free
-/imprint                      ImprintR         GET              !free
-/data-protection              DataProtectionR  GET              !free
-/version                      VersionR         GET              !free
-/status                       StatusR          GET              !free
+/health                       HealthR           GET             !free
+/health/interface/+Texts      HealthInterfaceR  GET             !free
+/instance                     InstanceR         GET             !free
+/info                         InfoR             GET             !free
+/info/lecturer                InfoLecturerR     GET             !free
+/info/supervisor              InfoSupervisorR   GET             !free
+/info/legal                   LegalR            GET             !free
+/info/glossary                GlossaryR         GET             !free
+/info/faq                     FaqR              GET             !free
+/info/terms-of-use            TermsOfUseR       GET             !free
+/info/payments                PaymentsR         GET             !free
+/imprint                      ImprintR          GET             !free
+/data-protection              DataProtectionR   GET             !free
+/version                      VersionR          GET             !free
+/status                       StatusR           GET             !free

 /help                         HelpR            GET POST         !free

@ -113,12 +115,11 @@
 /for/#CryptoUUIDUser/user         ForProfileR       GET POST    !supervisor !self
 /for/#CryptoUUIDUser/user/profile ForProfileDataR   GET         !supervisor !self

-/firms                          FirmAllR            GET POST		!supervisor
-/firms/comm    									FirmsCommR          GET POST
-/firm/#CompanyShorthand         FirmR               GET POST
+/firms                          FirmAllR            GET POST		-- not yet !supervisor
+/firms/comm/+Companies          FirmsCommR          GET POST
 /firm/#CompanyShorthand/comm    FirmCommR						GET POST
-/firm/#CompanyShorthand/users   FirmUsersR          GET POST    !supervisor
-/firm/#CompanyShorthand/supers  FirmSupersR         GET POST    !supervisor
+/firm/#CompanyShorthand         FirmUsersR          GET POST    -- not yet !supervisor
+/firm/#CompanyShorthand/supers  FirmSupersR         GET POST    -- not yet !supervisor

 /exam-office               ExamOfficeR                         !exam-office:
  /                        EOExamsR            GET POST        !system-exam-office
@ -280,20 +281,11 @@
 /lms/#SchoolId                                              LmsSchoolR              GET
 /lms/#SchoolId/#QualificationShorthand                      LmsR  				          GET POST
 /lms/#SchoolId/#QualificationShorthand/edit                 LmsEditR			          GET POST
-- old V1 LMS Interface
-/lms/#SchoolId/#QualificationShorthand/users                LmsUsersR	              GET
-/lms/#SchoolId/#QualificationShorthand/users/direct         LmsUsersDirectR	        GET       !token -- LMS
-/lms/#SchoolId/#QualificationShorthand/userlist             LmsUserlistR	          GET POST
-/lms/#SchoolId/#QualificationShorthand/userlist/upload      LmsUserlistUploadR	    GET POST  !development
-/lms/#SchoolId/#QualificationShorthand/userlist/direct      LmsUserlistDirectR	        POST  !token -- LMS, also remove JobLmsUserlist constructor
-/lms/#SchoolId/#QualificationShorthand/result               LmsResultR              GET POST
-/lms/#SchoolId/#QualificationShorthand/result/upload        LmsResultUploadR        GET POST  !development
-/lms/#SchoolId/#QualificationShorthand/result/direct        LmsResultDirectR            POST  !token -- LMS, also remove JobLmsResults constructor
 -- new V2 LMS Interface
 /lms/#SchoolId/#QualificationShorthand/learners             LmsLearnersR	          GET
 /lms/#SchoolId/#QualificationShorthand/learners/direct      LmsLearnersDirectR	    GET       !token -- LMS
 /lms/#SchoolId/#QualificationShorthand/report               LmsReportR              GET POST
-/lms/#SchoolId/#QualificationShorthand/report/upload        LmsReportUploadR        GET POST  !development
+/lms/#SchoolId/#QualificationShorthand/report/upload        LmsReportUploadR        GET POST
 /lms/#SchoolId/#QualificationShorthand/report/direct        LmsReportDirectR            POST  !token -- LMS
 -- other lms routes
 /lms/#SchoolId/#QualificationShorthand/ident/#LmsIdent      LmsIdentR               GET       -- redirect to LmsR with filter-parameter
--- a/shell.nix
+++ b/shell.nix
@ -223,7 +223,7 @@ let
    fi
  '';

-  killallUni2work = pkgs.writeScriptBin "killall-uni2work" ''
+  killallUni2work = pkgs.writeScriptBin "killuni2work" ''
    #!${pkgs.zsh}/bin/zsh

    set -o pipefail
--- a/src/Application.hs
+++ b/src/Application.hs
@ -145,6 +145,7 @@ import Handler.Material
 import Handler.CryptoIDDispatch
 import Handler.SystemMessage
 import Handler.Health
+import Handler.Health.Interface
 import Handler.Exam
 import Handler.ExamOffice
 import Handler.Metrics
--- a/src/Audit.hs
+++ b/src/Audit.hs
@ -1,4 +1,4 @@
-- SPDX-FileCopyrightText: 2022 Gregor Kleen <gregor.kleen@ifi.lmu.de>
+-- SPDX-FileCopyrightText: 2023 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Steffen Jost <s.jost@fraport.de>
 --
 -- SPDX-License-Identifier: AGPL-3.0-or-later

@ -8,6 +8,7 @@ module Audit
  , audit
  , AuditRemoteException(..)
  , getRemote
+  , logInterface, logInterface'
  ) where


@ -103,12 +104,68 @@ audit :: ( AuthId (HandlerSite m) ~ Key User
 --   - `transactionLogInitiator` is currently logged in user (or none)
 --   - `transactionLogRemote` is determined from current HTTP-Request
 audit transaction@(toJSON -> transactionLogInfo) = do
-
  transactionLogTime <- liftIO getCurrentTime
  transactionLogInstance <- getsYesod $ view instanceID
  transactionLogInitiator <- liftHandler maybeAuthId
  transactionLogRemote <- handle (throwM . AuditRemoteException) $ Just <$> getRemote
-
  insert_ TransactionLog{..}
-
  $logInfoS "Audit" $ Text.filter (/= '\n') $ tshow (transaction, transactionLogInitiator, transactionLogRemote) <> " - " <> pack (prettyCallStack callStack)
+
+logInterface :: ( AuthId (HandlerSite m) ~ Key User
+         , IsSqlBackend (YesodPersistBackend (HandlerSite m))
+         , SqlBackendCanWrite (YesodPersistBackend (HandlerSite m))
+         , HasInstanceID (HandlerSite m) InstanceId
+         , YesodAuthPersist (HandlerSite m)
+         , MonadHandler m
+         , MonadCatch m
+         , HasAppSettings (HandlerSite m)
+         , HasCallStack
+         )
+      => Text       -- ^ Interface that is used
+      -> Text       -- ^ Subtype of the interface, if any
+      -> Bool       -- ^ Success=True, Failure=False
+      -> Maybe Int  -- ^ Number of transmitted datasets
+      -> Text       -- ^ Any additional information
+      -> ReaderT (YesodPersistBackend (HandlerSite m)) m ()
+-- ^ Log a transaction using information available from `HandlerT`, also calls `audit`
+logInterface interfaceLogInterface interfaceLogSubtype interfaceLogSuccess interfaceLogRows interfaceLogInfo = do 
+  interfaceLogWrite <- (methodGet /=) . Wai.requestMethod . reqWaiRequest <$> getRequest
+  logInterface' interfaceLogInterface interfaceLogSubtype interfaceLogWrite interfaceLogSuccess interfaceLogRows interfaceLogInfo
+
+logInterface' :: ( AuthId (HandlerSite m) ~ Key User
+         , IsSqlBackend (YesodPersistBackend (HandlerSite m))
+         , SqlBackendCanWrite (YesodPersistBackend (HandlerSite m))
+         , HasInstanceID (HandlerSite m) InstanceId
+         , YesodAuthPersist (HandlerSite m)
+         , MonadHandler m
+         , MonadCatch m
+         , HasAppSettings (HandlerSite m)
+         , HasCallStack
+         )
+      => Text       -- ^ Interface that is used
+      -> Text       -- ^ Subtype of the interface, if any
+      -> Bool       -- ^ True indicates Write Access to FRADrive
+      -> Bool       -- ^ Success=True, Failure=False
+      -> Maybe Int  -- ^ Number of transmitted datasets
+      -> Text       -- ^ Any additional information
+      -> ReaderT (YesodPersistBackend (HandlerSite m)) m ()
+-- ^ Log a transaction using information available from `HandlerT`, also calls `audit`
+logInterface' (Text.strip -> interfaceLogInterface) (Text.strip -> interfaceLogSubtype) interfaceLogWrite interfaceLogSuccess interfaceLogRows (Text.strip -> interfaceLogInfo) = do
+  interfaceLogTime  <- liftIO getCurrentTime
+  -- deleteBy $ UniqueInterfaceSubtypeWrite interfaceLogInterface interfaceLogSubtype interfaceLogWrite -- always replace: deleteBy & insert seems to be safest and fastest
+  -- insert_ InterfaceLog{..}
+  void $ upsertBy (UniqueInterfaceSubtypeWrite interfaceLogInterface interfaceLogSubtype interfaceLogWrite)
+    ( InterfaceLog{..} )
+    [ InterfaceLogTime    =. interfaceLogTime
+    , InterfaceLogRows    =. interfaceLogRows
+    , InterfaceLogInfo    =. interfaceLogInfo
+    , InterfaceLogSuccess =. interfaceLogSuccess
+    ]
+  audit TransactionInterface
+    { transactionInterfaceName    = interfaceLogInterface
+    , transactionInterfaceSubtype = interfaceLogSubtype
+    , transactionInterfaceWrite   = interfaceLogWrite
+    , transactionInterfaceRows    = interfaceLogRows
+    , transactionInterfaceInfo    = interfaceLogInfo
+    , transactionInterfaceSuccess = Just interfaceLogSuccess
+    }
--- a/src/Audit/Types.hs
+++ b/src/Audit/Types.hs
@ -1,4 +1,4 @@
-- SPDX-FileCopyrightText: 2022-23 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Sarah Vaupel <vaupel.sarah@campus.lmu.de>,,Steffen Jost <s.jost@fraport.de>
+-- SPDX-FileCopyrightText: 2022-23 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Sarah Vaupel <vaupel.sarah@campus.lmu.de>,Steffen Jost <s.jost@fraport.de>
 --
 -- SPDX-License-Identifier: AGPL-3.0-or-later

@ -234,6 +234,14 @@ data Transaction
    , transactionQualification                :: QualificationId
    , transactionQualificationScheduleRenewal :: Maybe Bool           -- TRUE=will be notified upon expiry, FALSE=won't be notified; always JUST, for compatibility with TransactionQualificationUserEdit
    }
+  | TransactionInterface
+    { transactionInterfaceName                :: Text
+    , transactionInterfaceSubtype             :: Text
+    , transactionInterfaceWrite               :: Bool                 -- True implies a write to FRADrive
+    , transactionInterfaceRows                :: Maybe Int
+    , transactionInterfaceInfo                :: Text
+    , transactionInterfaceSuccess             :: Maybe Bool            -- Just False implies a failure; Maybe used to achieve backwards compatibility
+    }
  deriving (Eq, Ord, Read, Show, Generic)

 deriveJSON defaultOptions
@ -243,4 +251,4 @@ deriveJSON defaultOptions
  , sumEncoding = TaggedObject "transaction" "data"
  } ''Transaction

-derivePersistFieldJSON ''Transaction
+derivePersistFieldJSON ''Transaction
--- a/src/Database/Esqueleto/Utils.hs
+++ b/src/Database/Esqueleto/Utils.hs
@ -1,4 +1,4 @@
-- SPDX-FileCopyrightText: 2022-23 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Steffen Jost <jost@tcs.ifi.lmu.de>
+-- SPDX-FileCopyrightText: 2022-24 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Steffen Jost <jost@tcs.ifi.lmu.de>,Steffen Jost <s.jost@fraport.de>
 --
 -- SPDX-License-Identifier: AGPL-3.0-or-later

@ -17,6 +17,7 @@ module Database.Esqueleto.Utils
  , (>~.), (<~.)
  , or, and
  , any, all
+  , not__, parens
  , subSelectAnd, subSelectOr
  , mkExactFilter, mkExactFilterWith, mkExactFilterWithComma
  , mkExactFilterLast, mkExactFilterLastWith
@ -227,8 +228,13 @@ explicitUnsafeCoerceSqlExprValue typ (E.ERaw _m1 f1) = E.ERaw E.noMeta $ \_nPare
      )

 and, or :: Foldable f => f (E.SqlExpr (E.Value Bool)) -> E.SqlExpr (E.Value Bool)
-and = F.foldr (E.&&.) true
-or = F.foldr (E.||.) false
+-- and = F.foldl' (E.&&.) true -- we can use foldl' since PostgreSQL reorders conditions anyway
+-- or = F.foldl' (E.||.) false
+-- Maybe this help the PostgreSQL query optimizer, though I doubt it?
+and f | F.null f    = true
+      | otherwise = F.foldl1 (E.&&.) f
+or f  | F.null f    = false
+      | otherwise = F.foldl1 (E.||.) f

 -- | Given a test and a set of values, check whether anyone succeeds the test
 --   WARNING: SQL leaves it explicitely unspecified whether `||` is short curcuited (i.e. lazily evaluated)
@ -247,6 +253,9 @@ subSelectOr  q = parens . E.subSelectUnsafe $ flip (E.unsafeSqlAggregateFunction
 parens :: E.SqlExpr (E.Value a) -> E.SqlExpr (E.Value a)
 parens = E.unsafeSqlFunction ""

+-- | Workaround for Esqueleto-Bug not placing parenthesis after NOT, see #155
+not__ :: E.SqlExpr (E.Value Bool) -> E.SqlExpr (E.Value Bool)
+not__ = E.not_ . parens

 -- Allow usage of Tuples as DbtRowKey, i.e. SqlIn instances for tuples
 $(sqlInTuples [2..16])
@ -700,7 +709,6 @@ interval = E.unsafeSqlCastAs "interval". E.unsafeSqlValue . wrapSqlString . Text
    singleQuote     = Text.Builder.singleton '\''
    wrapSqlString b = singleQuote <> b <> singleQuote

-
 infixl 6 `diffDays`, `diffTimes`

 diffDays :: E.SqlExpr (E.Value Day) -> E.SqlExpr (E.Value Day) -> E.SqlExpr (E.Value Int)
--- a/src/Foundation/Authorization.hs
+++ b/src/Foundation/Authorization.hs
@ -554,7 +554,8 @@ tagAccessPredicate AuthSupervisor = APDB $ \_ _ mAuthId route _ -> case route of
      return Authorized
    checkCompanySupervisor sup@(mAuthId, fsh) = $cachedHereBinary sup . exceptT return return $ do
      authId <- maybeExceptT AuthenticationRequired $ return mAuthId      
-      isSupervisor <- lift . existsBy $ UniqueUserCompany authId $ CompanyKey fsh
+      -- isSupervisor <- lift . existsBy $ UniqueUserCompany authId $ CompanyKey fsh
+      isSupervisor <- lift $ exists [UserCompanyUser ==. authId, UserCompanyCompany ==. CompanyKey fsh, UserCompanySupervisor ==. True]
      guardMExceptT isSupervisor (unauthorizedI $ MsgUnauthorizedCompanySupervisor fsh)
      return Authorized
    checkAnySupervisor mAuthId = $cachedHereBinary mAuthId . exceptT return return $ do
--- a/src/Foundation/I18n.hs
+++ b/src/Foundation/I18n.hs
@ -43,6 +43,8 @@ module Foundation.I18n
  , UniWorXMessages(..)
  , uniworxMessages
  , unRenderMessage, unRenderMessage', unRenderMessageLenient
+  , SomeMessages(..)
+  , someMessages
  , module Foundation.I18n.TH
  ) where

@ -203,6 +205,11 @@ maybeToMessage :: ToMessage m => Text -> Maybe m -> Text -> Text
 maybeToMessage _      Nothing  _     = mempty
 maybeToMessage before (Just x) after = before <> toMessage x <> after

+maybeBoolMessage :: Maybe Bool -> Text -> Text -> Text -> Text
+maybeBoolMessage Nothing      n _ _ = n
+maybeBoolMessage (Just True)  _ t _ = t
+maybeBoolMessage (Just False) _ _ f = f
+

 newtype ShortTermIdentifier = ShortTermIdentifier TermIdentifier
  deriving stock (Eq, Ord, Read, Show)
@ -261,6 +268,18 @@ mkMessageAddition ''UniWorX "Avs" "messages/uniworx/categories/avs" "de-de-forma

 embedRenderMessage ''UniWorX ''LmsStatus (uncurry ((<>) . (<> "Status")) . Text.splitAt 3)

+
+newtype SomeMessages master = SomeMessages [SomeMessage master]  
+  deriving newtype (Semigroup, Monoid)
+
+instance master ~ master' => RenderMessage master (SomeMessages master') where
+  renderMessage a b (SomeMessages msgs) = Text.intercalate "\n " $ renderMessage a b <$> msgs
+
+-- | convenienience function if all messages happen to belong to the exact same type
+someMessages :: RenderMessage master msg => [msg] -> SomeMessages master
+someMessages msgs = SomeMessages $ SomeMessage <$> msgs
+
+
 instance RenderMessage UniWorX (Maybe LmsStatus) where -- useful for Filter with optionsFinite
  renderMessage f ls (Just s) = renderMessage f ls s
  renderMessage f ls Nothing  = renderMessage f ls MsgLmsStateOpen
--- a/src/Foundation/Navigation.hs
+++ b/src/Foundation/Navigation.hs
@ -121,20 +121,20 @@ breadcrumb ProblemUnreachableR  = i18nCrumb MsgProblemsUnreachableHeading $ Just
 breadcrumb ProblemWithoutAvsId  = i18nCrumb MsgProblemsNoAvsIdHeading     $ Just AdminProblemsR
 breadcrumb ProblemFbutNoR       = i18nCrumb MsgProblemsRWithoutFHeading   $ Just AdminProblemsR
 breadcrumb ProblemAvsSynchR     = i18nCrumb MsgProblemsAvsSynchHeading    $ Just AdminProblemsR
-breadcrumb ProblemAvsErrorR     = i18nCrumb MsgProblemsAvsErrorHeading    $ Just ProblemAvsSynchR
+breadcrumb ProblemAvsErrorR     = i18nCrumb MsgProblemsAvsErrorHeading    $ Just AdminProblemsR

 breadcrumb FirmAllR         = i18nCrumb MsgMenuFirms              Nothing
-breadcrumb FirmsCommR       = i18nCrumb MsgMenuFirmsComm        $ Just   FirmAllR
-breadcrumb FirmR{}          = i18nCrumb MsgMenuAdminHeading     $ Just   FirmAllR  -- TODO: change heading or remove
+breadcrumb FirmsCommR{}     = i18nCrumb MsgMenuFirmsComm        $ Just   FirmAllR
 breadcrumb FirmUsersR{}     = i18nCrumb MsgMenuFirmUsers        $ Just   FirmAllR
 breadcrumb (FirmSupersR fsh)= i18nCrumb MsgMenuFirmSupervisors  $ Just $ FirmUsersR fsh
-breadcrumb (FirmCommR   fsh)= i18nCrumb MsgMenuFirmsComm        $ Just $ FirmUsersR fsh                       
+breadcrumb (FirmCommR   fsh)= i18nCrumb MsgMenuFirmsComm        $ Just $ FirmUsersR fsh

 breadcrumb PrintCenterR     = i18nCrumb MsgMenuApc              Nothing
 breadcrumb PrintSendR       = i18nCrumb MsgMenuPrintSend      $ Just PrintCenterR
 breadcrumb PrintDownloadR{} = i18nCrumb MsgMenuPrintDownload  $ Just PrintCenterR
 breadcrumb PrintAckR{}      = i18nCrumb MsgMenuPrintSend      $ Just PrintCenterR -- never displayed
-breadcrumb PrintAckDirectR{}= i18nCrumb MsgMenuPrintSend      $ Just PrintCenterR -- never displayed
+breadcrumb PrintAckDirectR{}= i18nCrumb MsgMenuPrintAck       $ Just PrintCenterR
+breadcrumb PrintLogR        = i18nCrumb MsgMenuPrintLog       $ Just PrintCenterR

 breadcrumb SchoolListR      = i18nCrumb MsgMenuSchoolList       $ Just AdminR
 breadcrumb (SchoolR ssh sRoute) = case sRoute of
@ -165,9 +165,10 @@ breadcrumb FaqR             = i18nCrumb MsgBreadcrumbFaq            $ Just InfoR
 breadcrumb HelpR            = i18nCrumb MsgMenuHelp            Nothing


-breadcrumb HealthR          = i18nCrumb MsgMenuHealth          Nothing
-breadcrumb InstanceR        = i18nCrumb MsgMenuInstance        Nothing
-breadcrumb StatusR          = i18nCrumb MsgMenuHealth          Nothing  -- never displayed
+breadcrumb HealthR              = i18nCrumb MsgMenuHealth          Nothing
+breadcrumb (HealthInterfaceR _) = i18nCrumb MsgMenuHealthInterface (Just HealthR)
+breadcrumb InstanceR            = i18nCrumb MsgMenuInstance        Nothing
+breadcrumb StatusR              = i18nCrumb MsgMenuHealth          Nothing  -- never displayed

 breadcrumb  QualificationAllR                       = i18nCrumb MsgMenuQualifications Nothing
 breadcrumb (QualificationSchoolR          ssh     ) = useRunDB . maybeT (i18nCrumb MsgBreadcrumbSchool . Just $ SchoolListR) $ do -- redirect only, used in other breadcrumbs
@ -186,21 +187,13 @@ breadcrumb (LmsR                ssh  qsh) = useRunDB . maybeT (i18nCrumb MsgBrea
  guardM . lift . existsBy $ SchoolQualificationShort ssh qsh
  return (CI.original qsh, Just $ LmsSchoolR ssh)
 breadcrumb (LmsEditR            ssh  qsh) = i18nCrumb MsgMenuLmsEdit       $ Just $ LmsR          ssh qsh
-breadcrumb (LmsUsersR           ssh  qsh) = i18nCrumb MsgMenuLmsUsers      $ Just $ LmsR          ssh qsh
-breadcrumb (LmsUsersDirectR     ssh  qsh) = i18nCrumb MsgMenuLmsUsers      $ Just $ LmsUsersR     ssh qsh -- never displayed, TypedContent
-breadcrumb (LmsUserlistR        ssh  qsh) = i18nCrumb MsgMenuLmsUserlist   $ Just $ LmsR          ssh qsh
-breadcrumb (LmsUserlistUploadR  ssh  qsh) = i18nCrumb MsgMenuLmsUpload     $ Just $ LmsUserlistR  ssh qsh
-breadcrumb (LmsUserlistDirectR  ssh  qsh) = i18nCrumb MsgMenuLmsUpload     $ Just $ LmsUserlistR  ssh qsh -- never displayed
-breadcrumb (LmsResultR          ssh  qsh) = i18nCrumb MsgMenuLmsResult     $ Just $ LmsR          ssh qsh
-breadcrumb (LmsResultUploadR    ssh  qsh) = i18nCrumb MsgMenuLmsUpload     $ Just $ LmsResultR    ssh qsh
-breadcrumb (LmsResultDirectR    ssh  qsh) = i18nCrumb MsgMenuLmsUpload     $ Just $ LmsResultR    ssh qsh -- never displayed
 -- v2
 breadcrumb (LmsLearnersR        ssh  qsh) = i18nCrumb MsgMenuLmsLearners   $ Just $ LmsR          ssh qsh
 breadcrumb (LmsLearnersDirectR  ssh  qsh) = i18nCrumb MsgMenuLmsLearners   $ Just $ LmsLearnersR  ssh qsh -- never displayed, TypedContent
 breadcrumb (LmsReportR          ssh  qsh) = i18nCrumb MsgMenuLmsReport     $ Just $ LmsR          ssh qsh
 breadcrumb (LmsReportUploadR    ssh  qsh) = i18nCrumb MsgMenuLmsUpload     $ Just $ LmsReportR    ssh qsh
 breadcrumb (LmsReportDirectR    ssh  qsh) = i18nCrumb MsgMenuLmsUpload     $ Just $ LmsReportR    ssh qsh -- never displayed
-- 
+--
 breadcrumb (LmsIdentR           ssh  qsh _ ) = breadcrumb $ LmsR ssh qsh -- just a redirect
 breadcrumb (LmsUserR            ssh _qsh u ) = i18nCrumb MsgMenuLmsUser       $ Just $ LmsUserSchoolR u ssh
 breadcrumb (LmsUserSchoolR    u _          ) = i18nCrumb MsgMenuLmsUserSchool $ Just $ LmsUserAllR u
@ -301,7 +294,7 @@ breadcrumb (CourseR tid ssh csh (TutorialR tutn sRoute)) = case sRoute of
  TUsersR  -> useRunDB . maybeT (i18nCrumb MsgBreadcrumbTutorial . Just $ CourseR tid ssh csh CTutorialListR) $ do
    guardM . lift . hasReadAccessTo $ CTutorialR tid ssh csh tutn TUsersR
    return (CI.original tutn, Just $ CourseR tid ssh csh CTutorialListR)
-  TAddUserR   -> i18nCrumb MsgMenuTutorialAddMembers      . Just $ CTutorialR tid ssh csh tutn TUsersR 
+  TAddUserR   -> i18nCrumb MsgMenuTutorialAddMembers      . Just $ CTutorialR tid ssh csh tutn TUsersR
  TEditR      -> i18nCrumb MsgMenuTutorialEdit            . Just $ CTutorialR tid ssh csh tutn TUsersR
  TDeleteR    -> i18nCrumb MsgMenuTutorialDelete          . Just $ CTutorialR tid ssh csh tutn TUsersR
  TCommR      -> i18nCrumb MsgMenuTutorialComm            . Just $ CTutorialR tid ssh csh tutn TUsersR
@ -1342,6 +1335,17 @@ pageActions HealthR = return
      }
    , navChildren = []
    }
+  , NavPageActionPrimary
+    { navLink = NavLink
+      { navLabel       = MsgMenuHealthInterface
+      , navRoute       = HealthInterfaceR []
+      , navAccess'     = NavAccessTrue
+      , navType        = NavTypeLink { navModal = False }
+      , navQuick'      = mempty
+      , navForceActive = False
+      }
+    , navChildren = []
+    }
  ]
 pageActions InstanceR = return
  [ NavPageActionPrimary
@ -2377,26 +2381,6 @@ pageActions (LmsR sid qsh) = return
        , defNavLink MsgMenuLmsDirectUpload $ LmsReportDirectR sid qsh
        ]
    }
-  , NavPageActionSecondary
-    { navLink = defNavLink MsgMenuLmsUsers $ LmsUsersR sid qsh
-    -- , navChildren =
-    --     [ defNavLink MsgMenuLmsDirectDownload $ LmsUsersDirectR sid qsh
-    --     ]
-    }
-  , NavPageActionSecondary
-    { navLink = defNavLink MsgMenuLmsUserlist $ LmsUserlistR sid qsh
-    -- , navChildren =
-    --     [ defNavLink MsgMenuLmsUpload       $ LmsUserlistUploadR sid qsh
-    --     , defNavLink MsgMenuLmsDirectUpload $ LmsUserlistDirectR sid qsh
-    --     ]
-    }
-  , NavPageActionSecondary
-    { navLink = defNavLink MsgMenuLmsResult $ LmsResultR sid qsh
-    -- , navChildren =
-    --     [ defNavLink MsgMenuLmsUpload       $ LmsResultUploadR sid qsh
-    --     , defNavLink MsgMenuLmsDirectUpload $ LmsResultDirectR sid qsh
-    --     ]
-    }
  , NavPageActionSecondary {
      navLink = defNavLink MsgMenuLmsEdit $ LmsEditR sid qsh
    }
@ -2417,21 +2401,11 @@ pageActions ApiDocsR = return
    , navChildren = []
    }
  ]
-pageActions (FirmR fsh) = return
-  [ NavPageActionPrimary
-    { navLink = defNavLink MsgTableCompanyNrSupers $ FirmSupersR fsh
-    , navChildren = []
-    }
-  , NavPageActionPrimary
-    { navLink = defNavLink MsgTableCompanyNrUsers  $ FirmUsersR fsh
-    , navChildren = []
-    }
-  ]
 pageActions (FirmUsersR fsh) = return
  [ NavPageActionPrimary
    { navLink = defNavLink MsgTableCompanyNrSupers $ FirmSupersR fsh
    , navChildren = []
-    }  
+    }
  ]
 pageActions (FirmSupersR fsh) = return
  [ NavPageActionPrimary
@ -2474,10 +2448,30 @@ pageActions PrintCenterR = do
                      , navForceActive = False
                      }
                    }
+      printLog = NavPageActionSecondary
+                    { navLink = NavLink
+                      { navLabel       = MsgMenuPrintLog
+                      , navRoute       = PrintLogR
+                      , navAccess'     = NavAccessTrue
+                      , navType        = NavTypeLink { navModal = False }
+                      , navQuick'      = mempty
+                      , navForceActive = False
+                      }
+                    }
+      printAck = NavPageActionSecondary
+                    { navLink = NavLink
+                      { navLabel       = MsgMenuPrintAck
+                      , navRoute       = PrintAckDirectR
+                      , navAccess'     = NavAccessTrue
+                      , navType        = NavTypeLink { navModal = False }
+                      , navQuick'      = mempty
+                      , navForceActive = False
+                      }
+                    }
  dayLinks <- mapM toDayAck $ Map.toAscList dayMap
-  return $ manualSend : take 9 dayLinks
+  return $ manualSend : printLog : printAck : take 9 dayLinks

-pageActions AdminCrontabR = return 
+pageActions AdminCrontabR = return
  [ NavPageActionPrimary
    { navLink = defNavLink MsgMenuAdminJobs AdminJobsR
    , navChildren = []
--- a/src/Foundation/Yesod/ErrorHandler.hs
+++ b/src/Foundation/Yesod/ErrorHandler.hs
@ -9,9 +9,9 @@ module Foundation.Yesod.ErrorHandler
 import Import.NoFoundation hiding (errorHandler)

 import Foundation.Type
-- import Foundation.I18n
+import Foundation.I18n
 import Foundation.Authorization
-- import Foundation.SiteLayout
+import Foundation.SiteLayout
 import Foundation.Routes
 import Foundation.DB

@ -20,15 +20,15 @@ import qualified Data.Text as Text

 import qualified Network.Wai as W
  
-- import System.Exit -- DEBUG: just for testing
-- import System.Posix.Process -- DEBUG: just for testing
+import System.Exit -- DEBUG: just for testing
+import System.Posix.Process -- DEBUG: just for testing

 errorHandler :: ( MonadSecretBox (HandlerFor UniWorX)
-                -- , MonadSecretBox (WidgetFor UniWorX)
+                , MonadSecretBox (WidgetFor UniWorX)
                , MonadSecretBox (ExceptT EncodedSecretBoxException (HandlerFor UniWorX))
                , MonadAuth (HandlerFor UniWorX)
                , BearerAuthSite UniWorX
-                -- , YesodPersistBackend UniWorX ~ SqlBackend
+                , YesodPersistBackend UniWorX ~ SqlBackend
                )
             => ErrorResponse -> HandlerFor UniWorX TypedContent
 errorHandler err = do
@ -72,39 +72,39 @@ errorHandler err = do
  setSessionJson SessionError sessErr

  selectRep $ do
-    -- provideRep $ do
-    --   mr <- getMessageRender
-    --   let
-    --     encrypted :: Text -> WidgetFor UniWorX () -> WidgetFor UniWorX ()
-    --     encrypted plaintextJson plaintext = do
-    --       let displayEncrypted ciphertext = 
-    --             [whamlet|
-    --               $newline never
-    --               <p>_{MsgErrorResponseEncrypted}
-    --               <pre .literal-error>
-    --                 #{ciphertext}
-    --             |]
-    --       if
-    --         | isEncrypted && shouldEncrypt -> displayEncrypted plaintextJson
-    --         | shouldEncrypt -> displayEncrypted =<< encodedSecretBox SecretBoxPretty plaintextJson
-    --         | otherwise -> plaintext
+    provideRep $ do
+      mr <- getMessageRender
+      let
+        encrypted :: Text -> WidgetFor UniWorX () -> WidgetFor UniWorX ()
+        encrypted plaintextJson plaintext = do
+          let displayEncrypted ciphertext = 
+                [whamlet|
+                  $newline never
+                  <p>_{MsgErrorResponseEncrypted}
+                  <pre .literal-error>
+                    #{ciphertext}
+                |]
+          if
+            | isEncrypted && shouldEncrypt -> displayEncrypted plaintextJson
+            | shouldEncrypt -> displayEncrypted =<< encodedSecretBox SecretBoxPretty plaintextJson
+            | otherwise -> plaintext

-    --     errPage = case err of
-    --       NotFound -> [whamlet|<p>_{MsgErrorResponseNotFound}|]
-    --       InternalError err'
-    --         | "Crash Button" `isPrefixOf` err'   -> liftIO $ exitImmediately ExitSuccess -- DEBUG: just for Testing
-    --         | otherwise -> encrypted err' [whamlet|<p .literal-error>#{fromMaybe err' decrypted}|]
-    --       InvalidArgs errs -> [whamlet|
-    --           <ul>
-    --             $forall err' <- errs
-    --               <li .literal-error>
-    --                 #{err'}
-    --          |]
-    --       NotAuthenticated -> [whamlet|<p>_{MsgErrorResponseNotAuthenticated}|]
-    --       PermissionDenied err' -> [whamlet|<p .errMsg>#{err'}|]
-    --       BadMethod method -> [whamlet|<p>_{MsgErrorResponseBadMethod (decodeUtf8 method)}|]
-    --   siteLayout (toWgt . mr $ ErrorResponseTitle err) $ do
-    --     errPage
+        errPage = case err of
+          NotFound -> [whamlet|<p>_{MsgErrorResponseNotFound}|]
+          InternalError err'
+            | "Crash Button" `isPrefixOf` err'   -> liftIO $ exitImmediately ExitSuccess -- DEBUG: just for Testing
+            | otherwise -> encrypted err' [whamlet|<p .literal-error>#{fromMaybe err' decrypted}|]
+          InvalidArgs errs -> [whamlet|
+              <ul>
+                $forall err' <- errs
+                  <li .literal-error>
+                    #{err'}
+             |]
+          NotAuthenticated -> [whamlet|<p>_{MsgErrorResponseNotAuthenticated}|]
+          PermissionDenied err' -> [whamlet|<p .errMsg>#{err'}|]
+          BadMethod method -> [whamlet|<p>_{MsgErrorResponseBadMethod (decodeUtf8 method)}|]
+      siteLayout (toWgt . mr $ ErrorResponseTitle err) $ do
+        errPage
    provideRep $ case err of
      PermissionDenied err' -> return err'
      InternalError err'
--- a/src/Handler/Admin.hs
+++ b/src/Handler/Admin.hs
@ -21,11 +21,10 @@ import           Database.Esqueleto.Experimental ((:&)(..))
 import qualified Database.Esqueleto.Experimental as E
 import qualified Database.Esqueleto.Utils as E

-import Handler.Utils.DateTime
+import Handler.Utils
 import Handler.Utils.Avs
-import Handler.Utils.Widgets
 import Handler.Utils.Users
-import Handler.Utils.Qualification
+import Handler.Health.Interface

 import Handler.Admin.Test as Handler.Admin
 import Handler.Admin.ErrorMessage as Handler.Admin
@ -42,22 +41,35 @@ getAdminProblemsR :: Handler Html
 getAdminProblemsR = do 
  now <- liftIO getCurrentTime
  let nowaday = utctDay now
-      cutOffPrintDays = 7
-      cutOffPrintJob  = addLocalDays  (-cutOffPrintDays) now      
+      cutOffOldDays = 1
+      cutOffOldTime  = toMidnight $ addDays (-cutOffOldDays) nowaday

-  (usersAreReachable, driversHaveAvsIds, rDriversHaveFs, noStalePrintJobs, noBadAPCids, noAvsSynchProblems) <- runDB $ (,,,,,) 
+  -- we abuse messageTooltip for colored icons here
+  msgSuccessTooltip <- messageI Success MsgMessageSuccess
+  msgWarningTooltip <- messageI Warning MsgMessageWarning
+  msgErrorTooltip   <- messageI Error   MsgMessageError
+
+  let flagError   = messageTooltip . bool msgErrorTooltip   msgSuccessTooltip
+      flagWarning = messageTooltip . bool msgWarningTooltip msgSuccessTooltip      
+      flagNonZero :: Int -> Widget
+      flagNonZero n | n <= 0    = flagError True
+                    | otherwise = messageTooltip =<< handlerToWidget (messageI Error (MsgProblemsDriverSynch n))                                    
+
+  (usersAreReachable, driversHaveAvsIds, rDriversHaveFs, noStalePrintJobs, noBadAPCids, (interfaceOks, interfaceTable)) <- runDB $ (,,,,,) 
      <$> areAllUsersReachable 
      <*> allDriversHaveAvsId now
      <*> allRDriversHaveFs now
-      <*> (not <$> exists [PrintJobAcknowledged ==. Nothing, PrintJobCreated  <=. cutOffPrintJob])
-      <*> (not <$> exists [PrintAcknowledgeProcessed ==. False])
-      <*> (not <$> exists [UserAvsLastSynchError !=. Nothing])    
+      <*> (not <$> exists [PrintJobAcknowledged ==. Nothing, PrintJobCreated  <. cutOffOldTime])
+      <*> (not <$> exists [PrintAcknowledgeProcessed ==. False])      
+      <*>  mkInterfaceLogTable flagError mempty
+  let interfacesBadNr = length $ filter (not . snd) interfaceOks
+      -- interfacesOk = all snd interfaceOks      
  diffLics <- try retrieveDifferingLicences >>= \case
    -- (Left (UnsupportedContentType "text/html" resp)) -> Left $ text2widget "Html received"
    (Left e) -> return $ Left $ text2widget $ tshow (e :: SomeException)
    (Right AvsLicenceDifferences{..}) -> do
-      let problemIds = avsLicenceDiffRevokeAll <> avsLicenceDiffGrantVorfeld <> avsLicenceDiffRevokeRollfeld <> avsLicenceDiffGrantRollfeld      
-      forM_ (take 42 $ Set.toList problemIds) $ queueJob' . flip JobSynchroniseAvsId (Just nowaday)      
+      let problemIds = avsLicenceDiffRevokeAll <> avsLicenceDiffGrantVorfeld <> avsLicenceDiffRevokeRollfeld <> avsLicenceDiffGrantRollfeld
+      forM_ (take 42 $ Set.toList problemIds) $ queueJob' . flip JobSynchroniseAvsId (Just nowaday)
      return $ Right
        ( Set.size avsLicenceDiffRevokeAll
        , Set.size avsLicenceDiffGrantVorfeld
@ -72,18 +84,7 @@ getAdminProblemsR = do
  --                          ex             -> return $ Left $ text2widget $ tshow ex)
  --   , Catch.Handler (\(ex::SomeException) -> return $ Left $ text2widget $ tshow ex)
  --   ]
-      
-  -- we abuse messageTooltip for colored icons here
-  msgSuccessTooltip <- messageI Success MsgMessageSuccess
-  msgWarningTooltip <- messageI Warning MsgMessageWarning
-  msgErrorTooltip   <- messageI Error   MsgMessageError

-  let flagError   = messageTooltip . bool msgErrorTooltip   msgSuccessTooltip
-      flagWarning = messageTooltip . bool msgWarningTooltip msgSuccessTooltip
-      flagNonZero :: Int -> Widget
-      flagNonZero n | n <= 0    = flagError True
-                    | otherwise = messageTooltip =<< handlerToWidget (messageI Error (MsgProblemsDriverSynch n))                                    
-  
  rerouteMail <- getsYesod $ view _appMailRerouteTo

  siteLayoutMsg MsgProblemsHeading $ do
@ -237,4 +238,3 @@ retrieveDriversRWithoutF now = do
  E.where_ $ E.exists (hasValidQual AvsLicenceRollfeld)
    E.&&. E.notExists (hasValidQual AvsLicenceVorfeld)
  return usr
-  
--- a/src/Handler/Admin/Avs.hs
+++ b/src/Handler/Admin/Avs.hs
@ -548,7 +548,7 @@ mkLicenceTable apidStatus dbtIdent aLic apids = do
        [ dbSelect (applying _2) id $ return . view (resultUserAvs . _userAvsPersonId)
                                --  (\DBRow{dbrOutput=(_,_,apid,_)} -> return apid -- return . view resultAvsPID) -- does not type due to traversal
        , colUserNameLink AdminUserR
-        , sortable (Just "avspersonno")  (i18nCell MsgAvsPersonNo)    $ \(view  resultUserAvs -> a) -> avsPersonNoLinkedCell a
+        , sortable (Just "avspersonno")  (i18nCell MsgAvsPersonNo)    $ \(view  resultUserAvs -> a) -> avsPersonNoLinkedCellAdmin a
        -- , colUserCompany
        , sortable (Just "user-company") (i18nCell MsgTableCompanies) $ \(view (resultUser . _entityKey) -> uid) -> flip (set' cellContents) mempty $ do -- why does sqlCell not work here? Mismatch "YesodDB UniWorX" and "RWST (Maybe (Env,FileEnv), UniWorX, [Lang]) Enctype Ints (HandlerFor UniWorX"
            companies' <- liftHandler . runDB . E.select $ E.from $ \(usrComp `E.InnerJoin` comp) -> do
@ -558,7 +558,7 @@ mkLicenceTable apidStatus dbtIdent aLic apids = do
              return (comp E.^. CompanyShorthand, comp E.^. CompanyName, usrComp E.^. UserCompanySupervisor)
            let icnSuper  = toWidget $ text2markup " " <> icon IconSupervisor
                companies = 
-                  (\(E.Value cmpSh, E.Value cmpName, E.Value cmpSpr) -> simpleLink (citext2widget cmpName) (FirmR cmpSh) <> bool mempty icnSuper cmpSpr) <$> companies'
+                  (\(E.Value cmpSh, E.Value cmpName, E.Value cmpSpr) -> simpleLink (citext2widget cmpName) (FirmUsersR cmpSh) <> bool mempty icnSuper cmpSpr) <$> companies'
                
            pure $ intercalate (text2widget "; ") companies
        , sortable (Just "qualification") (i18nCell MsgTableQualifications)          $ \(preview   resultQualification -> q) -> cellMaybe lmsShortCell q
@ -752,7 +752,7 @@ getProblemAvsErrorR = do
        dbtRowKey = qerryUsrAvs >>> (E.^. UserAvsId)
        dbtProj = dbtProjId
        dbtColonnade = dbColonnade $ mconcat
-          [ colUserNameModalHdr MsgLmsUser AdminUserR
+          [ colUserNameModalHdrAdmin MsgLmsUser AdminUserR
          , sortable (Just "avs-nr")          (i18nCell MsgAvsPersonNo)
              $ avsPersonNoLinkedCell . view reserrUsrAvs
          , sortable Nothing                  (i18nCell MsgAvsPersonId)
--- a/src/Handler/Course/Communication.hs
+++ b/src/Handler/Course/Communication.hs
@ -64,8 +64,10 @@ postCCommR tid ssh csh = do

    return (cid, tuts, exams, sheets)

+  let heading = SomeMessage . prependCourseTitle tid ssh csh $ SomeMessage MsgCommCourseHeading
  commR CommunicationRoute
-    { crHeading    = SomeMessage . prependCourseTitle tid ssh csh $ SomeMessage MsgCommCourseHeading
+    { crHeading    = heading
+    , crTitle      = heading
    , crUltDest    = SomeRoute $ CourseR tid ssh csh CCommR
    , crJobs       = crJobsCourseCommunication cid
    , crTestJobs   = crTestJobsCourseCommunication cid
--- a/src/Handler/Course/Edit.hs
+++ b/src/Handler/Course/Edit.hs
@ -279,8 +279,8 @@ getCourseNewR = do
                    , E.desc $ courseCreated course]                                     -- most recent created course
          E.limit 1
          return course
-      template <- case listToMaybe oldCourses of
-        (Just oldTemplate) ->
+      template <- case oldCourses of
+        (oldTemplate:_) ->
            let newTemplate = courseToForm oldTemplate mempty mempty in
            return $ Just $ newTemplate
                { cfCourseId   = Nothing
@ -289,7 +289,7 @@ getCourseNewR = do
                , cfRegTo      = Nothing
                , cfDeRegUntil = Nothing
                }
-        Nothing -> do
+        [] -> do
            (tidOk,sshOk,cshOk) <- runDB $ (,,)
                <$> ifMaybeM mbTid True existsKey
                <*> ifMaybeM mbSsh True existsKey
--- a/src/Handler/Course/List.hs
+++ b/src/Handler/Course/List.hs
@ -226,7 +226,16 @@ getCourseListR = do
        ]
      validator = def
        & defaultSorting [SortDescBy "term",SortAscBy "course"]
-  coursesTable <- runDB $ makeCourseTable colonnade validator
+  now <- liftIO getCurrentTime
+  coursesTable <- runDB $ do
+    activeTs <- selectList [TermActiveFrom <=. now
+                , FilterOr [TermActiveTo >. Just now, TermActiveTo ==. Nothing]
+                , FilterOr [TermActiveFor ==. muid, TermActiveFor ==. Nothing]   -- TermActiveFor <-. [Nothing, muid] did not work as intended
+                ] [Desc TermActiveTerm]
+    let addTermFilter = if null activeTs 
+          then id
+          else defaultFilter $ singletonMap "term" [toPathPiece termActiveTerm | Entity _ TermActive{termActiveTerm} <- activeTs]
+    makeCourseTable colonnade (validator & addTermFilter)
  defaultLayout $ do
    setTitleI MsgCourseListTitle
    $(widgetFile "courses")
--- a/src/Handler/Course/ParticipantInvite.hs
+++ b/src/Handler/Course/ParticipantInvite.hs
@ -192,26 +192,37 @@ handleAddUserR tid ssh csh tdesc ttyp = do

  currentRoute <- fromMaybe (error "postCAddUserR called from 404-handler") <$> getCurrentRoute

-  confirmedActs :: Set CourseRegisterActionData <- fmap Set.fromList . throwExceptT . mapMM encodedSecretBoxOpen . lookupPostParams $ toPathPiece PostCourseUserAddConfirmAction
-  --   $logDebugS "CAddUserR confirmedActs" . tshow $ Set.map Aeson.encode confirmedActs
-  unless (Set.null confirmedActs) $ do -- TODO: check that all acts are member of availableActs
-    let
-      users = Map.fromList . fmap (\act -> (crActIdent act, Just . view _1 $ crActUser act)) $ Set.toList confirmedActs
-      tutActs = Set.filter (is _CourseRegisterActionAddTutorialMemberData) confirmedActs
-      actTutorial = crActTutorial <$> Set.lookupMin tutActs -- tutorial ident must be the same for every added member!      
-    registeredUsers <- registerUsers cid users
-    whenIsJust actTutorial $ \(tutName,tutType,tutDay) -> do
-      whenIsJust (tutName <|> fmap (tutorialDefaultName tutType) tutDay) $ \tName -> do
-        tutId <- upsertNewTutorial cid tName tutType tutDay
-        registerTutorialMembers tutId registeredUsers
-        -- when (Set.size tutActs == Set.size confirmedActs) $ -- not sure how this condition might be false at this point
-        redirect $ CTutorialR tid ssh csh tName TUsersR
-    redirect $ CourseR tid ssh csh CUsersR
+  (_ , registerConfirmResult) <- runButtonForm FIDCourseRegisterConfirm    
+  --   $logDebugS "***AbortProblem***" $ tshow registerConfirmResult
+  prefillUsers <- case registerConfirmResult of 
+    Nothing -> return mempty
+    (Just BtnCourseRegisterAbort)   -> do 
+      addMessageI Warning MsgAborted
+      -- prefill confirmed users for convenience. Note that Browser-Back may also return to the filled form, but history.back() does not in Chrome
+      confirmedActs :: [CourseRegisterActionData] <- exceptT (const $ return mempty) return . mapMM encodedSecretBoxOpen . lookupPostParams $ toPathPiece PostCourseUserAddConfirmAction  -- ignore any exception, since it is only used to prefill a form field for convenience
+      return $ Just $ Set.fromList $ fmap crActIdent confirmedActs
+    (Just BtnCourseRegisterConfirm) -> do
+      confirmedActs :: Set CourseRegisterActionData <- fmap Set.fromList . throwExceptT . mapMM encodedSecretBoxOpen . lookupPostParams $ toPathPiece PostCourseUserAddConfirmAction  
+      --   $logDebugS "CAddUserR confirmedActs" . tshow $ Set.map Aeson.encode confirmedActs
+      unless (Set.null confirmedActs) $ do -- TODO: check that all acts are member of availableActs
+        let
+          users = Map.fromList . fmap (\act -> (crActIdent act, Just . view _1 $ crActUser act)) $ Set.toList confirmedActs
+          tutActs = Set.filter (is _CourseRegisterActionAddTutorialMemberData) confirmedActs
+          actTutorial = crActTutorial <$> Set.lookupMin tutActs -- tutorial ident must be the same for every added member!      
+        registeredUsers <- registerUsers cid users
+        whenIsJust actTutorial $ \(tutName,tutType,tutDay) -> do
+          whenIsJust (tutName <|> fmap (tutorialDefaultName tutType) tutDay) $ \tName -> do
+            tutId <- upsertNewTutorial cid tName tutType tutDay
+            registerTutorialMembers tutId registeredUsers
+            -- when (Set.size tutActs == Set.size confirmedActs) $ -- not sure how this condition might be false at this point
+            redirect $ CTutorialR tid ssh csh tName TUsersR
+        redirect $ CourseR tid ssh csh CUsersR
+      return mempty
  
-  ((usersToAdd :: FormResult AddUserRequest, formWgt), formEncoding) <- runFormPost . renderWForm FormStandard $ do
+  ((usersToAdd :: FormResult AddUserRequest, formWgt), formEncoding) <- runFormPost . identifyForm FIDCourseRegister . renderWForm FormStandard $ do
    let tutTypesMsg   = [(SomeMessage tt,tt) | tt <- tutTypes]
        tutDefType    = ttyp >>= (\ty -> if ty `elem` tutTypes then Just ty else Nothing)        
-    auReqUsers <- wreq (textField & cfAnySeparatedSet) (fslI MsgCourseParticipantsRegisterUsersField & setTooltip MsgCourseParticipantsRegisterUsersFieldTip) mempty
+    auReqUsers <- wreq (textField & cfAnySeparatedSet) (fslI MsgCourseParticipantsRegisterUsersField & setTooltip MsgCourseParticipantsRegisterUsersFieldTip) prefillUsers
    auReqTutorial <- optionalActionW
      ( (,,) 
        <$> aopt  (textField & cfStrip & cfCI & addDatalist tutNameSuggestions)
--- a/src/Handler/Course/Users.hs
+++ b/src/Handler/Course/Users.hs
@ -660,7 +660,7 @@ postCUsersR tid ssh csh = do
          , pure . cap' $ colUserNameLink (CourseR tid ssh csh . CUserR)
          , guardOn showSex . cap' $ colUserSex'
          , pure . cap' $ colUserEmail
-          , pure . cap' $ colUserMatriclenr
+          , pure . cap' $ colUserMatriclenr False
          , pure . cap' $ colUserQualifications nowaday
          , guardOn hasSubmissionGroups $ cap' colUserSubmissionGroup
          , guardOn hasTutorials . cap' $ colUserTutorials tid ssh csh
--- a/src/Handler/Exam/Users.hs
+++ b/src/Handler/Exam/Users.hs
@ -484,7 +484,7 @@ postEUsersR tid ssh csh examn = do
          dbtColonnade = mconcat $ catMaybes
            [ pure $ dbSelect (_2 . applying _2) _1 $ return . view (resultExamRegistration . _entityKey)
            , pure $ colUserNameLink (CourseR tid ssh csh . CUserR)
-            , pure   colUserMatriclenr
+            , pure $ colUserMatriclenr False
            , pure $ colStudyFeatures resultStudyFeatures
            , pure $ sortable (Just "occurrence") (i18nCell MsgTableExamOccurrence) $ maybe mempty (anchorCell' (\n -> CExamR tid ssh csh examn EShowR :#: [st|exam-occurrence__#{n}|]) id . examOccurrenceName . entityVal) . view _userTableOccurrence
            , guardOn showPasses $ sortable Nothing (i18nCell MsgAchievedPasses) $ \(view $ resultUser . _entityKey -> uid) ->
--- a/src/Handler/Firm.hs
+++ b/src/Handler/Firm.hs
--- a/src/Handler/Health/Interface.hs
+++ b/src/Handler/Health/Interface.hs
@ -0,0 +1,251 @@
+-- SPDX-FileCopyrightText: 2024 Steffen Jost <s.jost@fraport.de>
+--
+-- SPDX-License-Identifier: AGPL-3.0-or-later
+
+
+module Handler.Health.Interface
+  (
+    getHealthInterfaceR
+  , mkInterfaceLogTable
+  , runInterfaceChecks
+  )
+ where
+
+import Import
+
+-- import qualified Data.Set as Set
+import qualified Data.Text as Text
+import Handler.Utils
+import Handler.Utils.Concurrent
+
+-- import           Database.Esqueleto.Experimental ((:&)(..))
+import qualified Database.Esqueleto.Experimental as E
+import qualified Database.Esqueleto.Utils as E
+import qualified Database.Esqueleto.Legacy as EL (on)
+import qualified Database.Persist.Sql as E (deleteWhereCount)
+
+
+-- | identify a wildcard argument
+wc2null :: Text -> Maybe Text
+-- wc2null "." = Nothing -- does not work, since dots are eliminated in URLs
+-- wc2null "-" = Nothing -- used as wildcard subtype in lpr interface
+wc2null "_" = Nothing
+wc2null "*" = Nothing
+wc2null  o  = Just o
+
+-- | sloppily parse a boolean, also see Model.Types.Avs.SloppyBool
+pbool :: Text -> Maybe Bool
+pbool (Text.toLower . Text.strip -> w)
+  | w `elem` ["1", "t", "true" ,"wahr", "w"] = Just True
+  | w `elem` ["0", "f", "false","falsch"]    = Just False
+  | otherwise                                = Nothing
+
+-- | parse UniqueInterfaceHealth with subtype and write arguments being optional for the last interface. Wildcards '_' or '.' are also allowed in all places.
+identifyInterfaces :: [Text] -> [Unique InterfaceHealth]
+identifyInterfaces []        = []
+identifyInterfaces [i]       = [UniqueInterfaceHealth i Nothing     Nothing]
+identifyInterfaces [i,s]     = [UniqueInterfaceHealth i (wc2null s) Nothing]
+identifyInterfaces (i:s:w:r) =  UniqueInterfaceHealth i (wc2null s) (pbool w) : identifyInterfaces r
+
+type ReqBanInterfaceHealth = ([Unique InterfaceHealth],[Unique InterfaceHealth])
+
+-- | Interface names prefixed with '-' are to be excluded from the query
+splitInterfaces :: [Unique InterfaceHealth] -> ReqBanInterfaceHealth
+splitInterfaces = foldl' aux mempty
+  where
+    aux (reqs,bans) uih@(UniqueInterfaceHealth i s w)
+      | Just ('-', b) <- Text.uncons i = (reqs, UniqueInterfaceHealth b s w : bans)
+      | otherwise = (uih : reqs, bans)
+
+-- | check whether the first argument is equal or more specialzed (i.e. more Just) than the second
+matchesUniqueInterfaceHealth :: Unique InterfaceHealth -> Unique InterfaceHealth -> Bool
+matchesUniqueInterfaceHealth (UniqueInterfaceHealth ai as aw) (UniqueInterfaceHealth bi bs bw) = ai == bi && eqOrNothing as bs && eqOrNothing aw bw
+  where
+    eqOrNothing _ Nothing = True
+    eqOrNothing a b       = a == b
+
+
+getHealthInterfaceR :: [Text] -> Handler TypedContent
+getHealthInterfaceR (dropWhile (=="force") -> ris) = do               -- for backwards compatibility we ignore leading "force"
+  let interfs = splitInterfaces $ identifyInterfaces ris
+  (missing, allok, res, iltable) <- runInterfaceLogTable interfs
+  when missing notFound                                               -- send 404 if any requested interface was not found
+  let ihstatus = if allok then status200
+                          else internalServerError500
+      plainMsg = if allok then "Interfaces are healthy."
+                          else "Unhealthy interfaces: " <> Text.intercalate ", " [iface | (iface, False) <- res]
+  sendResponseStatus ihstatus <=< selectRep $ do                      -- most browsers send accept:text/html, thus text/plain can be default here
+    provideRep . return . RepPlain $ toContent plainMsg               -- /?_accept=text/plain
+    provideRep . siteLayoutMsg MsgMenuHealthInterface $ do            -- /?_accept=text/html
+      setTitleI MsgMenuHealthInterface
+      [whamlet|
+        <div>
+          #{plainMsg}
+        <div>
+          ^{iltable}
+      |]
+
+
+runInterfaceLogTable :: ReqBanInterfaceHealth -> Handler (Bool, Bool, [(Text,Bool)], Widget)
+runInterfaceLogTable interfs@(reqIfs,_) = do
+  -- we abuse messageTooltip for colored icons here
+  msgSuccessTooltip <- messageI Success MsgMessageSuccess
+  -- msgWarningTooltip <- messageI Warning MsgMessageWarning
+  msgErrorTooltip   <- messageI Error   MsgMessageError
+  let flagError = messageTooltip . bool msgErrorTooltip msgSuccessTooltip
+  (res, twgt) <- runDB $ mkInterfaceLogTable flagError interfs
+  let missing = notNull [ifce | (UniqueInterfaceHealth ifce _subt _writ) <- reqIfs, ifce `notElem` (fst <$> res) ]
+      allok   = all snd res
+  return (missing, allok, res, twgt)
+
+-- ihDebugShow :: Unique InterfaceHealth -> Text
+-- ihDebugShow (UniqueInterfaceHealth i s w) = "(" <> tshow i <> "," <> tshow s <> "," <> tshow w <> ")"
+
+mkInterfaceLogTable :: (Bool -> Widget) -> ReqBanInterfaceHealth -> DB ([(Text,Bool)], Widget)
+mkInterfaceLogTable flagError interfs@(reqIfs, banIfs) = do
+    --   $logWarnS "DEBUG" $ tshow ([ihDebugShow x | x<- reqIfs], [ihDebugShow x | x<- banIfs])
+    void $ liftHandler $ timeoutHandler 42000001 $ runDB $ runInterfaceChecks interfs
+    now <- liftIO getCurrentTime
+    dbTableDB ilvalidator DBTable{dbtColonnade=colonnade now, ..}
+  where
+    sanitize      = text2AlphaNumPlus ['+','-','_','Ä','Ö','Ü','ß','ä','ö','ü']
+    dbtIdent      = "interface-log" :: Text
+    dbtProj       = dbtProjId
+    dbtSQLQuery (ilog `E.LeftOuterJoin` ihealth) = do
+      EL.on (       ilog E.^. InterfaceLogInterface E.=?.          ihealth E.?. InterfaceHealthInterface
+              E.&&. ilog E.^. InterfaceLogSubtype   E.=~. E.joinV (ihealth E.?. InterfaceHealthSubtype)
+              E.&&. ilog E.^. InterfaceLogWrite     E.=~. E.joinV (ihealth E.?. InterfaceHealthWrite  )
+            )
+      let matchUIH crits = E.or
+           [ E.and $ catMaybes
+             [  ilog E.^. InterfaceLogInterface E.==.    E.val  (sanitize     ifce) & Just
+             , (ilog E.^. InterfaceLogSubtype   E.==.) . E.val . sanitize <$> subt
+             , (ilog E.^. InterfaceLogWrite     E.==.) . E.val            <$> writ
+             ]
+           | (UniqueInterfaceHealth ifce subt writ) <- crits
+           ]
+          matchUIHnot crits = E.and
+           [ E.or $ catMaybes
+             [  ilog E.^. InterfaceLogInterface E.!=.    E.val  (sanitize     ifce) & Just
+             , (ilog E.^. InterfaceLogSubtype   E.!=.) . E.val . sanitize <$> subt
+             , (ilog E.^. InterfaceLogWrite     E.!=.) . E.val            <$> writ
+             ]
+           | (UniqueInterfaceHealth ifce subt writ) <- crits
+           ]
+      unless (null reqIfs) $ E.where_ $ matchUIH    reqIfs
+      unless (null banIfs) $ E.where_ $ matchUIHnot banIfs
+      -- unless (null banIfs) $ E.where_ $ E.not_ $ matchUIH banIfs -- !!! DOES NOT WORK !!! Yields strange results, see #155
+      -- unless (null banIfs) $ E.where_ $ E.not_ $ E.parens $ matchUIH banIfs -- WORKS OKAY
+      -- E.where_ $ E.not_ (ilog E.^. InterfaceLogInterface E.==. E.val "LMS" E.&&.  ilog E.^. InterfaceLogSubtype E.==. E.val (sanitize "F")) -- BAD  All missing, except for "Printer" "F"
+      -- E.where_ $ E.not_ $ E.parens (ilog E.^. InterfaceLogInterface E.==. E.val "LMS" E.&&.  ilog E.^. InterfaceLogSubtype E.==. E.val (sanitize "F")) -- WORKS OKAY
+      -- E.where_ $         ilog E.^. InterfaceLogInterface E.!=. E.val "LMS" E.||.  ilog E.^. InterfaceLogSubtype E.!=. E.val (sanitize "F")  -- WORKS OKAY
+      let ihour = E.coalesceDefault [ihealth E.?. InterfaceHealthHours] (E.val $ 3 * 24)  -- if no default time is set, use 3 days instead
+      return (ilog, ihour)
+
+    queryILog     :: (E.SqlExpr (Entity InterfaceLog) `E.LeftOuterJoin` E.SqlExpr (Maybe (Entity InterfaceHealth))) -> E.SqlExpr (Entity InterfaceLog)
+    queryILog     = $(E.sqlLOJproj 2 1)
+    resultILog    :: Lens' (DBRow (Entity InterfaceLog, E.Value Int)) InterfaceLog
+    resultILog    = _dbrOutput . _1 . _entityVal
+    resultHours   :: Lens' (DBRow (Entity InterfaceLog, E.Value Int)) Int
+    resultHours   = _dbrOutput . _2 . E._unValue
+
+    dbtRowKey     = queryILog >>> (E.^.InterfaceLogId)
+    colonnade now = mconcat
+        [ sortable Nothing (i18nCell MsgInterfaceStatus) $ \row -> -- do
+            let hours   = row ^. resultHours
+                -- defmsg  = row ^? resultErrMsg
+                logtime = row ^. resultILog . _interfaceLogTime
+                success = row ^. resultILog . _interfaceLogSuccess
+                iface   = row ^. resultILog . _interfaceLogInterface
+                status  = success && now <= addHours hours logtime
+            in tellCell [(iface,status)] $
+                wgtCell $ flagError status
+        , sortable (Just "interface") (i18nCell MsgInterfaceName      ) $ \(view (resultILog . _interfaceLogInterface) -> n) -> textCell n
+        , sortable (Just "subtype")   (i18nCell MsgInterfaceSubtype   ) $ textCell . view (resultILog . _interfaceLogSubtype)
+        , sortable (Just "write")     (i18nCell MsgInterfaceWrite     ) $ (`ifIconCell` IconEdit) . view (resultILog . _interfaceLogWrite)
+        , sortable (Just "time")      (i18nCell MsgInterfaceLastSynch ) $ dateTimeCell . view (resultILog . _interfaceLogTime)
+        , sortable Nothing            (i18nCell MsgInterfaceFreshness ) $ numCell . view resultHours
+        , sortable (Just "rows")      (i18nCell MsgTableRows          ) $ cellMaybe numCell . view (resultILog . _interfaceLogRows)
+        , sortable (Just "success")   (i18nCell MsgInterfaceSuccess   ) $ \(view (resultILog . _interfaceLogSuccess) -> s) -> iconBoolCell s
+        , sortable Nothing            (i18nCell MsgInterfaceInfo      ) $ \(view resultILog -> ilt) -> case ilt of
+            InterfaceLog "AVS" "Synch" True _ _ i _ -> anchorCell ProblemAvsErrorR  $ toWgt $ bool i "AVS-Log" $ null i
+            InterfaceLog "LPR" _       _    _ _ i _ -> anchorCell PrintLogR         $ toWgt $ bool i "LPR-Log" $ null i
+            InterfaceLog _     _       _    _ _ i _ -> textCell i
+        ]
+
+    dbtSorting    = mconcat
+        [ singletonMap "interface" $ SortColumn $ queryILog >>> (E.^. InterfaceLogInterface)
+        , singletonMap "subtype"   $ SortColumn $ queryILog >>> (E.^. InterfaceLogSubtype)
+        , singletonMap "write"     $ SortColumn $ queryILog >>> (E.^. InterfaceLogWrite)
+        , singletonMap "time"      $ SortColumn $ queryILog >>> (E.^. InterfaceLogTime)
+        , singletonMap "rows"      $ SortColumn $ queryILog >>> (E.^. InterfaceLogRows)
+        , singletonMap "success"   $ SortColumn $ queryILog >>> (E.^. InterfaceLogSuccess)
+        ]
+    ilvalidator   = def & defaultSorting [SortAscBy "interface", SortAscBy "subtype", SortAscBy "write"]
+    dbtFilter     = mempty
+    dbtFilterUI   = mempty
+    dbtStyle      = def
+    dbtParams     = def
+    dbtCsvEncode  = noCsvEncode
+    dbtCsvDecode  = Nothing
+    dbtExtraReps  = []
+
+
+-- | runs additional checks and logs results within InterfaceLogTable; assumed to executable within a handler call
+runInterfaceChecks :: ReqBanInterfaceHealth -> DB ()
+runInterfaceChecks interfs = do
+  avsInterfaceCheck interfs
+  lprAckCheck interfs
+
+maybeRunCheck :: ReqBanInterfaceHealth -> Unique InterfaceHealth -> (UTCTime -> DB ()) -> DB ()
+maybeRunCheck (reqIfs,banIfs) uih act
+  | null reqIfs ||      any (matchesUniqueInterfaceHealth uih) reqIfs
+  , null banIfs || not (any (matchesUniqueInterfaceHealth uih) banIfs) = do
+      mih <- getBy uih
+      whenIsJust mih $ \eih -> do
+        now <- liftIO getCurrentTime
+        act $ addHours (negate $ interfaceHealthHours $ entityVal eih) now
+  | otherwise = return ()
+
+
+lprAckCheck :: ReqBanInterfaceHealth -> DB ()
+lprAckCheck interfs = maybeRunCheck interfs (UniqueInterfaceHealth "Printer" (Just "Acknowledge") (Just True)) $ \cutOffOldTime -> do
+    unproc <- selectList [PrintAcknowledgeTimestamp <. cutOffOldTime, PrintAcknowledgeProcessed ==. False] []
+    if notNull unproc
+      then mkLog False (Just $ length unproc) "Long unprocessed APC-Idents exist"
+      else do
+        oks <- E.deleteWhereCount [PrintAcknowledgeTimestamp <. cutOffOldTime, PrintAcknowledgeProcessed ==. True]
+        if oks > 0
+          then mkLog True (Just $ fromIntegral oks) "Long processed APC-Idents removed"
+          else mkLog True Nothing mempty
+  where
+    mkLog = logInterface' "Printer" "Acknowledge" True
+
+
+avsInterfaceCheck :: ReqBanInterfaceHealth -> DB ()
+avsInterfaceCheck interfs = maybeRunCheck interfs (UniqueInterfaceHealth "AVS" (Just "Synch") (Just True)) $ \cutOffOldTime -> do
+  avsSynchStats <- E.select $ do
+    uavs <- E.from $ E.table @UserAvs
+    E.where_ $ uavs E.^. UserAvsLastSynch E.>. E.val cutOffOldTime
+    let isOk = E.isNothing (uavs E.^. UserAvsLastSynchError)
+    E.groupBy isOk
+    E.orderBy [E.descNullsLast isOk]
+    return (isOk, E.countRows, E.max_ $ uavs E.^. UserAvsLastSynch)
+  let
+    mkBadInfo badRows (fromMaybe cutOffOldTime -> badTime) | badRows > 0 = do
+      fmtCut <- formatTime SelFormatDate cutOffOldTime
+      fmtBad <- formatTime SelFormatDateTime badTime
+      return $ tshow badRows <> " Fehler seit " <> fmtCut <> ", zuletzt um " <> fmtBad
+    mkBadInfo _ _ = return mempty
+    writeAvsSynchStats okRows badInfo =
+      logInterface' "AVS" "Synch" True (null badInfo) okRows badInfo
+  --case $(unValueN 3) <$> avsSynchStats of
+  case avsSynchStats of
+    ((E.Value True , E.Value okRows, E.Value _okTime):(E.Value False, E.Value badRows, E.Value badTime):_) ->
+      writeAvsSynchStats (Just okRows) =<< mkBadInfo badRows badTime
+    ((E.Value True , E.Value okRows, E.Value _okTime):_)    ->
+      writeAvsSynchStats (Just okRows) mempty
+    ((E.Value False, E.Value badRows, E.Value badTime):_) ->
+      -- lastOk <- userAvsLastSynch . entityVal <<$>> selectFirst [UserAvsLastSynchError ==. Nothing] [Desc UserAvsLastSynch]
+      writeAvsSynchStats Nothing =<< mkBadInfo badRows badTime
+    _ -> return ()
--- a/src/Handler/LMS.hs
+++ b/src/Handler/LMS.hs
@ -11,13 +11,7 @@ module Handler.LMS
  , getLmsR               , postLmsR
  , getLmsIdentR
  , getLmsEditR           , postLmsEditR
-  -- V1
-  , getLmsUsersR          , getLmsUsersDirectR
-  , getLmsUserlistR       , postLmsUserlistR
-  , getLmsUserlistUploadR , postLmsUserlistUploadR, postLmsUserlistDirectR
-  , getLmsResultR         , postLmsResultR
-  , getLmsResultUploadR   , postLmsResultUploadR  , postLmsResultDirectR
-  -- V1
+  -- V2
  , getLmsLearnersR       , getLmsLearnersDirectR
  , getLmsReportR         , postLmsReportR
  , getLmsReportUploadR   , postLmsReportUploadR  , postLmsReportDirectR
@ -50,10 +44,6 @@ import qualified Database.Esqueleto.PostgreSQL as E
 import qualified Database.Esqueleto.Utils as E
 import Database.Esqueleto.Utils.TH
 import Database.Persist.Sql (deleteWhereCount, updateWhereCount)
-- V1
-import Handler.LMS.Users    as Handler.LMS
-import Handler.LMS.Userlist as Handler.LMS
-import Handler.LMS.Result   as Handler.LMS
 -- V2
 import Handler.LMS.Learners as Handler.LMS
 import Handler.LMS.Report   as Handler.LMS
@ -75,7 +65,7 @@ embedRenderMessage ''UniWorX ''ButtonManualLms id

 instance Button UniWorX ButtonManualLms where
  btnClasses BtnLmsEnqueue = [BCIsButton, BCPrimary]
-  btnClasses BtnLmsDequeue = [BCIsButton, BCDefault]
+  btnClasses BtnLmsDequeue = [BCIsButton, BCPrimary]


 getLmsSchoolR :: SchoolId -> Handler Html
@ -85,7 +75,8 @@ getLmsAllR, postLmsAllR :: Handler Html
 getLmsAllR = postLmsAllR
 postLmsAllR = do
  isAdmin <- hasReadAccessTo AdminR
-  mbQcheck <- getsYesod $ view _appQualificationCheckHour
+  mbJLQenqueue <- getsYesod $ view _appJobLmsQualificationsEnqueueHour
+  mbJLQdequeue <- getsYesod $ view _appJobLmsQualificationsDequeueHour
  -- TODO: Move this functionality elsewhere without the need for `isAdmin`
  mbBtnForm <- if not isAdmin then return Nothing else do
    ((btnResult, btnWdgt), btnEnctype) <- runFormPost $ identifyForm ("buttons" :: Text) (buttonForm :: Form ButtonManualLms)
@ -109,7 +100,7 @@ postLmsAllR = do
    view _2 <$> mkLmsAllTable isAdmin lmsDeletionDays
  siteLayoutMsg MsgMenuLms $ do
    setTitleI   MsgMenuLms
-    $(widgetFile "lms-all")
+    $(i18nWidgetFile "lms-all")

 type AllQualificationTableData = DBRow (Entity Qualification, Ex.Value Word64, Ex.Value Word64)
 resultAllQualification :: Lens' AllQualificationTableData Qualification
@ -632,7 +623,7 @@ postLmsR sid qsh = do
          ]        
        colChoices cmpMap = mconcat
          [ guardMonoid isAdmin $ dbSelect (applying _2) id (return . view (resultUser . _entityKey))
-          , colUserNameModalHdr MsgLmsUser AdminUserR
+          , colUserNameModalHdrAdmin MsgLmsUser AdminUserR
          , colUserEmail
          , sortable (Just "user-company") (i18nCell MsgTableCompanies) $ \( view resultCompanyUser -> cmps) ->
              let cs =  [ companyCell (unCompanyKey cmpId) cmpName cmpSpr
@ -640,7 +631,7 @@ postLmsR sid qsh = do
                        , let cmpName = maybe (unCompanyKey cmpId) companyName $ Map.lookup cmpId cmpMap                        
                        ]
              in intercalate spacerCell cs
-          , colUserMatriclenr
+          , colUserMatriclenr isAdmin
          -- , sortable (Just "validity")      (i18nCell MsgQualificationValidIndicator) (qualificationValidIconCell nowaday . view resultQualUser)          
          , sortable (Just "first-held")    (i18nCell MsgTableQualificationFirstHeld)  $ \(   view $ resultQualUser . _entityVal . _qualificationUserFirstHeld   -> d)  -> dayCell d
          , sortable (Just "last-refresh")  (i18nCell MsgTableQualificationLastRefresh)$ \(   view $ resultQualUser . _entityVal . _qualificationUserLastRefresh -> d)  -> dayCell d
--- a/src/Handler/LMS/Learners.hs
+++ b/src/Handler/LMS/Learners.hs
@ -209,10 +209,10 @@ getLmsLearnersDirectR sid qsh = do
      csvOpts = def { csvFormat = fmtOpts }
  csvSheetName <- csvFilenameLmsUser qsh
  let nr  = length lms_users
-      msg = "Success. LMS user learners download file " <> csvSheetName <> " containing " <> tshow nr <> " rows"  
+      msg = "Success. LMS user learners download file " <> csvSheetName <> " containing " <> tshow nr <> " rows"
  $logInfoS "LMS" msg
  addHeader "Content-Disposition" $ "attachment; filename=\"" <> csvSheetName <> "\""
-  csvRenderedToTypedContentWith csvOpts csvSheetName csvRendered  
-
+  csvRenderedToTypedContentWith csvOpts csvSheetName csvRendered
+    <* runDB (logInterface "LMS" (ciOriginal qsh) True (Just nr) "")
 -- direct Download see:
 -- https://ersocon.net/blog/2017/2/22/creating-csv-files-in-yesod
--- a/src/Handler/LMS/Report.hs
+++ b/src/Handler/LMS/Report.hs
@ -199,8 +199,7 @@ mkReportTable sid qsh qid = do
                  , LmsReportResult           =. lmsReportCsvResult actionData
                  , LmsReportLock             =. lmsReportCsvLock   actionData
                  , LmsReportTimestamp        =. eanow
-                  ]
-                -- audit $ Transaction.. (add to Audit.Types)
+                  ]                
            lift . queueDBJob $ JobLmsReports qid
            return $ LmsReportR sid qsh
          , dbtCsvRenderKey           = const $ \case
@ -295,8 +294,7 @@ postLmsReportUploadR sid qsh = do
        setTitleI MsgMenuLmsUpload
        [whamlet|$newline never
          <form method=post enctype=#{enctype}>
-            ^{widget}
-            <p>
+            ^{widget}            
            <input type=submit>
        |]

@ -316,11 +314,13 @@ postLmsReportDirectR sid qsh = do
        case enr of
          Left (e :: SomeException) -> do -- catch all to avoid ok220 in case of any error
            $logWarnS "LMS" $ "Report upload failed parsing: " <> tshow e
+            logInterface "LMS" (ciOriginal qsh) False Nothing ""
            return (badRequest400, "Exception: " <> tshow e)
          Right nr -> do
            let msg = "Success. LMS Report upload file " <> fileName file <> " containing " <> tshow nr <> " rows for " <> fhead <> ".  "
            $logInfoS "LMS" msg
            when (nr > 0) $ queueDBJob $ JobLmsReports qid
+            logInterface "LMS" (ciOriginal qsh) True (Just nr) ""
            return (ok200, msg)
    []     -> do
      let msg = "Report upload file missing."
--- a/src/Handler/LMS/Result.hs
+++ b/src/Handler/LMS/Result.hs
@ -1,293 +0,0 @@
-- SPDX-FileCopyrightText: 2022 Steffen Jost <jost@cip.ifi.lmu.de>,Steffen Jost <jost@tcs.ifi.lmu.de>
--
-- SPDX-License-Identifier: AGPL-3.0-or-later
-
-{-# OPTIONS_GHC -fno-warn-orphans #-}      -- needed for HasEntity instances
-
-module Handler.LMS.Result
-  ( getLmsResultR, postLmsResultR
-  , getLmsResultUploadR, postLmsResultUploadR
-  , postLmsResultDirectR
-  )
-  where
-
-import Import
-
-import Handler.Utils
-import Handler.Utils.Csv
-import Handler.Utils.LMS
-
-import qualified Data.Map as Map
-import qualified Data.Csv as Csv
-import qualified Data.Conduit.List as C
-import qualified Database.Esqueleto.Legacy as E
-import qualified Database.Esqueleto.Utils as E
-
-import Jobs.Queue
-
-
-data LmsResultTableCsv = LmsResultTableCsv
-  { csvLRTident   :: LmsIdent
-  , csvLRTsuccess :: LmsDay
-  }
-  deriving Generic
-makeLenses_ ''LmsResultTableCsv
-
-- csv without headers
-instance Csv.ToRecord   LmsResultTableCsv -- default suffices
-instance Csv.FromRecord LmsResultTableCsv -- default suffices
-
-- csv with headers
-lmsResultTableCsvHeader :: Csv.Header
-lmsResultTableCsvHeader = Csv.header [ csvLmsIdent, csvLmsSuccess ]
-
-instance ToNamedRecord LmsResultTableCsv where
-  toNamedRecord LmsResultTableCsv{..} = Csv.namedRecord
-    [ csvLmsIdent   Csv..= csvLRTident
-    , csvLmsSuccess Csv..= csvLRTsuccess
-    ]
-
-instance FromNamedRecord LmsResultTableCsv where
-  parseNamedRecord (lsfHeaderTranslate -> csv)
-    = LmsResultTableCsv
-        <$> csv Csv..: csvLmsIdent
-        <*> csv Csv..: csvLmsSuccess
-
-instance CsvColumnsExplained LmsResultTableCsv where
-  csvColumnsExplanations _ = mconcat
-    [ single csvLmsIdent   MsgCsvColumnLmsIdent
-    , single csvLmsSuccess MsgCsvColumnLmsSuccess
-    ]
-    where
-      single :: RenderMessage UniWorX msg => Csv.Name -> msg -> Map Csv.Name Widget
-      single k v = singletonMap k [whamlet|_{v}|]
-
-data LmsResultCsvActionClass = LmsResultInsert | LmsResultUpdate
-  deriving (Eq, Ord, Read, Show, Generic, Enum, Bounded)
-embedRenderMessage ''UniWorX ''LmsResultCsvActionClass id
-
-- By coincidence the action type is identical to LmsResultTableCsv
-data LmsResultCsvAction = LmsResultInsertData { lmsResultInsertIdent :: LmsIdent, lmsResultInsertSuccess :: Day }
-                        | LmsResultUpdateData { lmsResultInsertIdent :: LmsIdent, lmsResultInsertSuccess :: Day }
-  deriving (Eq, Ord, Read, Show, Generic)
-
-deriveJSON defaultOptions
-  { constructorTagModifier = camelToPathPiece'' 2 1   -- LmsResultInsertData -> insert
-  , fieldLabelModifier     = camelToPathPiece'  2     -- lmsResultInsertIdent -> insert-ident | lmsResultInsertSuccess -> insert-success
-  , sumEncoding = TaggedObject "action" "data"
-  } ''LmsResultCsvAction
-
-data LmsResultCsvException
-  = LmsResultCsvExceptionDuplicatedKey -- TODO: this is not used anywhere?!
-  deriving (Show, Generic)
-
-instance Exception LmsResultCsvException
-embedRenderMessage ''UniWorX ''LmsResultCsvException id
-
-mkResultTable :: SchoolId -> QualificationShorthand -> QualificationId -> DB (Any, Widget)
-mkResultTable sid qsh qid = do
-  now_day <- utctDay <$> liftIO getCurrentTime
-  dbtCsvName <- csvFilenameLmsResult qsh
-  let dbtCsvSheetName = dbtCsvName
-  let
-    resultDBTable = DBTable{..}
-      where
-        dbtSQLQuery lmsresult = do
-          E.where_ $ lmsresult E.^. LmsResultQualification E.==. E.val qid
-          return lmsresult
-        dbtRowKey = (E.^. LmsResultId)
-        dbtProj = dbtProjId
-        dbtColonnade = dbColonnade $ mconcat
-          [ sortable (Just csvLmsIdent)     (i18nCell MsgTableLmsIdent)    $ \(view $ _dbrOutput . _entityVal . _lmsResultIdent . _getLmsIdent -> ident) -> textCell ident
-          , sortable (Just csvLmsSuccess)   (i18nCell MsgTableLmsSuccess)  $ \(view $ _dbrOutput . _entityVal . _lmsResultSuccess            -> success) -> dayCell success
-          , sortable (Just csvLmsTimestamp) (i18nCell MsgTableLmsReceived) $ \(view $ _dbrOutput . _entityVal . _lmsResultTimestamp        -> timestamp) -> dateTimeCell timestamp
-          ]
-        dbtSorting = Map.fromList
-          [ (csvLmsIdent    , SortColumn (E.^. LmsResultIdent))
-          , (csvLmsSuccess  , SortColumn (E.^. LmsResultSuccess))
-          , (csvLmsTimestamp, SortColumn (E.^. LmsResultTimestamp))
-          ]
-        dbtFilter = Map.fromList
-          [ (csvLmsIdent  , FilterColumn $ E.mkContainsFilterWith LmsIdent (E.^. LmsResultIdent))
-          , (csvLmsSuccess, FilterColumn $ E.mkExactFilter                 (E.^. LmsResultSuccess))
-          ]
-        dbtFilterUI = \mPrev -> mconcat
-          [ prismAForm (singletonFilter csvLmsIdent   . maybePrism _PathPiece) mPrev $ aopt (hoistField lift textField) (fslI MsgTableLmsIdent)
-          , prismAForm (singletonFilter csvLmsSuccess . maybePrism _PathPiece) mPrev $ aopt (hoistField lift dayField)  (fslI MsgTableLmsSuccess)
-          ]
-        dbtStyle = def { dbsFilterLayout = defaultDBSFilterLayout }
-        dbtParams = def
-        dbtIdent :: Text
-        dbtIdent = "lms-result"
-        dbtCsvEncode = Just DBTCsvEncode
-          { dbtCsvExportForm   = pure ()
-          , dbtCsvDoEncode     = \() -> C.map (doEncode' . view _2)
-          , dbtCsvName
-          , dbtCsvSheetName
-          , dbtCsvNoExportData = Just id
-          , dbtCsvHeader       = const $ return lmsResultTableCsvHeader
-          , dbtCsvExampleData  = Just
-            [ LmsResultTableCsv{csvLRTident = LmsIdent lid, csvLRTsuccess = LmsDay $ addDays (-dos) now_day }
-            | (lid,dos) <- zip ["abcdefgh", "12345678", "ident8ch"] [1..]
-            ]
-          }
-          where
-            doEncode' = LmsResultTableCsv
-              <$> view (_dbrOutput . _entityVal . _lmsResultIdent)
-              <*> view (_dbrOutput . _entityVal . _lmsResultSuccess . _lmsDay)
-        dbtCsvDecode = Just DBTCsvDecode -- Just save to DB; Job will process data later
-          { dbtCsvRowKey = \LmsResultTableCsv{..} ->
-              fmap E.Value . MaybeT . getKeyBy $ UniqueLmsResult qid csvLRTident
-          , dbtCsvComputeActions = \case -- purpose is to show a diff to the user first
-              DBCsvDiffNew{dbCsvNewKey = Nothing, dbCsvNew} -> do
-                yield $ LmsResultInsertData
-                        { lmsResultInsertIdent   = csvLRTident   dbCsvNew
-                        , lmsResultInsertSuccess = csvLRTsuccess dbCsvNew & lms2day
-                        }
-              DBCsvDiffNew{dbCsvNewKey = Just _, dbCsvNew = _} -> error "UniqueLmsResult was found, but the key no longer exists." -- TODO: how can this ever happen? Check Pagination-Code
-              DBCsvDiffExisting{dbCsvNew = LmsResultTableCsv{..}, dbCsvOld} -> do
-                let successDay = lms2day csvLRTsuccess
-                when (successDay /= dbCsvOld ^. _dbrOutput . _entityVal . _lmsResultSuccess) $
-                  yield $ LmsResultUpdateData
-                          { lmsResultInsertIdent   = csvLRTident
-                          , lmsResultInsertSuccess = successDay
-                          }
-              DBCsvDiffMissing{}  -> return () -- no deletion
-          , dbtCsvClassifyAction      = \case
-              LmsResultInsertData{} -> LmsResultInsert
-              LmsResultUpdateData{} -> LmsResultUpdate
-          , dbtCsvCoarsenActionClass  = \case
-              LmsResultInsert -> DBCsvActionNew
-              LmsResultUpdate -> DBCsvActionExisting
-          , dbtCsvValidateActions     = return ()  -- no validation, since this is an automatic upload, i.e. no user to review error
-          , dbtCsvExecuteActions      = do
-            C.mapM_ $ \actionData -> do
-                now <- liftIO getCurrentTime
-                void $ upsert
-                  LmsResult
-                    { lmsResultQualification  =  qid
-                    , lmsResultIdent          =  lmsResultInsertIdent   actionData
-                    , lmsResultSuccess        =  lmsResultInsertSuccess actionData
-                    , lmsResultTimestamp      =  now -- lmsResultInsertTimestamp -- does it matter which one to choose?
-                    }
-                  [ LmsResultSuccess          =. lmsResultInsertSuccess actionData
-                  , LmsResultTimestamp        =. now
-                  ]
-                -- audit $ Transaction.. (add to Audit.Types)
-            lift . queueDBJob $ JobLmsResults qid
-            return $ LmsResultR sid qsh
-          , dbtCsvRenderKey           = const $ \case
-              LmsResultInsertData{..} -> do -- TODO: i18n
-                [whamlet|
-                  $newline never
-                  Insert: Ident #{getLmsIdent lmsResultInsertIdent} #
-                  had success on ^{formatTimeW SelFormatDate lmsResultInsertSuccess}
-                |]
-              LmsResultUpdateData{..} -> do -- TODO: i18n
-                [whamlet|
-                  $newline never
-                  Update: Ident #{getLmsIdent lmsResultInsertIdent} #
-                  had success on ^{formatTimeW SelFormatDate lmsResultInsertSuccess}
-                |]
-          , dbtCsvRenderActionClass   = toWidget <=< ap getMessageRender . pure
-          , dbtCsvRenderException     = ap getMessageRender . pure :: LmsResultCsvException -> DB Text
-          }
-        dbtExtraReps = []
-
-    resultDBTableValidator = def
-      & defaultSorting [SortAscBy csvLmsIdent]
-  dbTable resultDBTableValidator resultDBTable
-
-getLmsResultR,  postLmsResultR :: SchoolId -> QualificationShorthand -> Handler Html
-getLmsResultR = postLmsResultR
-postLmsResultR sid qsh = do
-  let directUploadLink = LmsResultUploadR sid qsh
-  lmsTable <- runDB $ do
-    qid <- getKeyBy404 $ SchoolQualificationShort sid qsh
-    view _2 <$> mkResultTable sid qsh qid
-  siteLayoutMsg MsgMenuLmsResult $ do
-    setTitleI MsgMenuLmsResult
-    $(widgetFile "lms-result")
-
-
-- Direct File Upload/Download
-
-saveResultCsv :: QualificationId -> Int -> LmsResultTableCsv -> DB Int
-saveResultCsv qid i LmsResultTableCsv{..} = do
-    now <- liftIO getCurrentTime
-    void $ upsert
-      LmsResult
-        { lmsResultQualification  =  qid
-        , lmsResultIdent          =  csvLRTident
-        , lmsResultSuccess        =  csvLRTsuccess & lms2day
-        , lmsResultTimestamp      =  now
-        }
-      [ LmsResultSuccess          =. (csvLRTsuccess & lms2day)
-      , LmsResultTimestamp        =. now
-      ]
-    return $ succ i
-
-makeResultUploadForm :: Form FileInfo
-makeResultUploadForm = renderAForm FormStandard $ fileAFormReq "Result CSV"
-
-getLmsResultUploadR, postLmsResultUploadR :: SchoolId -> QualificationShorthand -> Handler Html
-getLmsResultUploadR = postLmsResultUploadR
-postLmsResultUploadR sid qsh = do
-  ((result,widget), enctype) <- runFormPost makeResultUploadForm
-  case result of
-    FormSuccess file -> do
-      -- content <- fileSourceByteString file
-      -- return $ Just (fileName file, content)
-      nr <- runDB $ do
-        qid <- getKeyBy404 $ SchoolQualificationShort sid qsh
-        nr <- runConduit $ fileSource file
-                .| decodeCsv
-                .| foldMC (saveResultCsv qid) 0
-        queueJob' $ JobLmsResults qid
-        return nr
-      addMessage Success $ toHtml $ pack "Erfolgreicher Upload der Datei " <> fileName file <> pack (" mit " <> show nr <> " Zeilen")
-      redirect $ LmsResultR sid qsh
-    FormFailure errs -> do
-      forM_ errs $ addMessage Error . toHtml
-      redirect $ LmsResultUploadR sid qsh
-    FormMissing ->
-      siteLayoutMsg MsgMenuLmsResult $ do
-        setTitleI MsgMenuLmsUpload
-        [whamlet|$newline never
-          <form method=post enctype=#{enctype}>
-            ^{widget}
-            <p>
-            <input type=submit>
-        |]
-
-
-postLmsResultDirectR :: SchoolId -> QualificationShorthand -> Handler Html
-postLmsResultDirectR sid qsh = do
-  (_params, files) <- runRequestBody
-  (status, msg) <- case files of
-    [(fhead,file)] -> do
-      lmsDecoder <- getLmsCsvDecoder
-      runDB $ do
-        qid <- getKeyBy404 $ SchoolQualificationShort sid qsh
-        enr <- try $ runConduit $ fileSource file
-                .| lmsDecoder
-                .| foldMC (saveResultCsv qid) 0
-        case enr of
-          Left (e :: SomeException) -> do -- catch all to avoid ok220 in case of any error
-            $logWarnS "LMS" $ "Result upload failed parsing: " <> tshow e
-            return (badRequest400, "Exception: " <> tshow e)
-          Right nr -> do
-            let msg = "Success. LMS Result upload file " <> fileName file <> " containing " <> tshow nr <> " rows for " <> fhead <> ".  "
-            $logInfoS "LMS" msg
-            when (nr > 0) $ queueJob' $ JobLmsResults qid
-            return (ok200, msg)
-    []     -> do
-      let msg = "Result upload file missing."
-      $logWarnS "LMS" msg
-      return (badRequest400, msg)
-    _other -> do
-      let msg = "Result upload received multiple files; all ignored."
-      $logWarnS "LMS" msg
-      return (badRequest400, msg)
-  sendResponseStatus status msg
-
--- a/src/Handler/LMS/Userlist.hs
+++ b/src/Handler/LMS/Userlist.hs
@ -1,288 +0,0 @@
-- SPDX-FileCopyrightText: 2022 Steffen Jost <jost@tcs.ifi.lmu.de>
--
-- SPDX-License-Identifier: AGPL-3.0-or-later
-
-{-# OPTIONS_GHC -fno-warn-orphans #-}      -- needed for HasEntity instances
-
-module Handler.LMS.Userlist
-  ( getLmsUserlistR, postLmsUserlistR
-  , getLmsUserlistUploadR, postLmsUserlistUploadR
-  , postLmsUserlistDirectR
-  )
-  where
-
-import Import
-
-import Handler.Utils
-import Handler.Utils.Csv
-import Handler.Utils.LMS
-
-import qualified Data.Map as Map
-import qualified Data.Csv as Csv
-import qualified Data.Conduit.List as C
-import qualified Database.Esqueleto.Legacy as E
-import qualified Database.Esqueleto.Utils as E
-
-import Jobs.Queue
-
-data LmsUserlistTableCsv = LmsUserlistTableCsv
-  { csvLULident  :: LmsIdent
-  , csvLULfailed :: LmsBool
-  }
-  deriving Generic
-makeLenses_ ''LmsUserlistTableCsv
-
-- csv without headers
-instance Csv.ToRecord   LmsUserlistTableCsv
-instance Csv.FromRecord LmsUserlistTableCsv
-
-- csv with headers
-instance DefaultOrdered LmsUserlistTableCsv where
-   headerOrder = const $ Csv.header [ csvLmsIdent, csvLmsBlocked ]
-
-instance ToNamedRecord LmsUserlistTableCsv where
-  toNamedRecord LmsUserlistTableCsv{..} = Csv.namedRecord
-    [ csvLmsIdent   Csv..= csvLULident
-    , csvLmsBlocked Csv..= csvLULfailed
-    ]
-instance FromNamedRecord LmsUserlistTableCsv where
-  parseNamedRecord (lsfHeaderTranslate -> csv)
-    = LmsUserlistTableCsv
-        <$> csv Csv..: csvLmsIdent
-        <*> csv Csv..: csvLmsBlocked
-
-instance CsvColumnsExplained LmsUserlistTableCsv where
-  csvColumnsExplanations _ = mconcat
-    [ single csvLmsIdent   MsgCsvColumnLmsIdent
-    , single csvLmsBlocked MsgCsvColumnLmsLock
-    ]
-    where
-      single :: RenderMessage UniWorX msg => Csv.Name -> msg -> Map Csv.Name Widget
-      single k v = singletonMap k [whamlet|_{v}|]
-
-
-data LmsUserlistCsvActionClass = LmsUserlistInsert | LmsUserlistUpdate
-  deriving (Eq, Ord, Read, Show, Generic, Enum, Bounded)
-embedRenderMessage ''UniWorX ''LmsUserlistCsvActionClass id
-
-data LmsUserlistCsvAction = LmsUserlistInsertData { lmsUserlistInsertIdent :: LmsIdent, lmsUserlistInsertFailed :: Bool }
-                          | LmsUserlistUpdateData { lmsUserlistInsertIdent :: LmsIdent, lmsUserlistInsertFailed :: Bool }
-  deriving (Eq, Ord, Read, Show, Generic)
-
-deriveJSON defaultOptions
-  { constructorTagModifier = camelToPathPiece'' 2 1   -- LmsUserlistInsertData -> insert
-  , fieldLabelModifier = camelToPathPiece' 2          -- lmsUserlistInsertIdent -> insert-ident | lmsUserlistInsertFailed -> insert-failed
-  , sumEncoding = TaggedObject "action" "data"
-  } ''LmsUserlistCsvAction
-
-
-data LmsUserlistCsvException
-  = LmsUserlistCsvExceptionDuplicatedKey -- TODO: this is not used anywhere?!
-  deriving (Show, Generic)
-
-instance Exception LmsUserlistCsvException
-embedRenderMessage ''UniWorX ''LmsUserlistCsvException id
-
-mkUserlistTable :: SchoolId -> QualificationShorthand -> QualificationId -> DB (Any, Widget)
-mkUserlistTable sid qsh qid = do
-  dbtCsvName <- csvFilenameLmsUserlist qsh
-  let dbtCsvSheetName = dbtCsvName
-  let
-    userlistTable = DBTable{..}
-      where
-        dbtSQLQuery lmslist = do
-          E.where_ $ lmslist E.^. LmsUserlistQualification E.==. E.val qid
-          return lmslist
-        dbtRowKey = (E.^. LmsUserlistId)
-        dbtProj   = dbtProjId
-        dbtColonnade = dbColonnade $ mconcat
-          [ sortable (Just csvLmsIdent)     (i18nCell MsgTableLmsIdent)    $ \DBRow{ dbrOutput = Entity _ LmsUserlist{..} } -> textCell    $ lmsUserlistIdent & getLmsIdent
-          , sortable (Just csvLmsBlocked)   (i18nCell MsgTableLmsLock)     $ \DBRow{ dbrOutput = Entity _ LmsUserlist{..} } -> ifIconCell    lmsUserlistFailed IconBlocked
-          , sortable (Just csvLmsTimestamp) (i18nCell MsgTableLmsReceived) $ \DBRow{ dbrOutput = Entity _ LmsUserlist{..} } -> dateTimeCell  lmsUserlistTimestamp
-          ]
-        dbtSorting = Map.fromList
-          [ (csvLmsIdent    , SortColumn $ \lmslist -> lmslist E.^. LmsUserlistIdent)
-          , (csvLmsBlocked  , SortColumn $ \lmslist -> lmslist E.^. LmsUserlistFailed)
-          , (csvLmsTimestamp, SortColumn $ \lmslist -> lmslist E.^. LmsUserlistTimestamp)
-          ]
-        dbtFilter = Map.fromList
-          [ (csvLmsIdent  , FilterColumn $ E.mkContainsFilterWith LmsIdent (E.^. LmsUserlistIdent ))
-          , (csvLmsBlocked, FilterColumn $ E.mkExactFilter                 (E.^. LmsUserlistFailed))
-          ]
-        dbtFilterUI =  \mPrev -> mconcat
-          [ prismAForm (singletonFilter csvLmsIdent   . maybePrism _PathPiece) mPrev $ aopt (hoistField lift textField)     (fslI MsgTableLmsIdent)
-          , prismAForm (singletonFilter csvLmsBlocked . maybePrism _PathPiece) mPrev $ aopt (hoistField lift checkBoxField) (fslI MsgTableLmsLock)
-          ]
-        dbtStyle =  def { dbsFilterLayout = defaultDBSFilterLayout }
-        dbtParams = def
-        dbtIdent :: Text
-        dbtIdent = "lms-userlist"
-        dbtCsvEncode = simpleCsvEncode dbtCsvName dbtCsvSheetName doEncode' <&> addExample
-          where
-            addExample dce = dce{ dbtCsvExampleData = csvExample }
-            csvExample = Just
-              [ LmsUserlistTableCsv{csvLULident = LmsIdent lid, csvLULfailed = LmsBool ufl}
-              | (lid,ufl) <- zip ["abcdefgh", "12345678", "ident8ch"] [False,True,False]
-              ]
-            doEncode' = LmsUserlistTableCsv
-              <$> view (_dbrOutput . _entityVal . _lmsUserlistIdent)
-              <*> view (_dbrOutput . _entityVal . _lmsUserlistFailed . _lmsBool)
-        dbtCsvDecode = Just DBTCsvDecode {..}
-          where
-            dbtCsvRowKey = \LmsUserlistTableCsv{csvLULident} ->
-              fmap E.Value . MaybeT . getKeyBy $ UniqueLmsUserlist qid csvLULident
-            dbtCsvComputeActions = \case -- shows a diff first
-              DBCsvDiffNew{dbCsvNew} -> do
-                yield $ LmsUserlistInsertData
-                          { lmsUserlistInsertIdent  =            csvLULident   dbCsvNew
-                          , lmsUserlistInsertFailed = lms2bool $ csvLULfailed  dbCsvNew
-                          }
-              DBCsvDiffExisting{dbCsvNew = LmsUserlistTableCsv{..}, dbCsvOld} -> do
-                let failedBool = lms2bool csvLULfailed
-                when (failedBool /= dbCsvOld ^. _dbrOutput . _entityVal . _lmsUserlistFailed) $
-                  yield $ LmsUserlistUpdateData
-                            { lmsUserlistInsertIdent  = csvLULident
-                            , lmsUserlistInsertFailed = csvLULfailed & lms2bool
-                            }
-              DBCsvDiffMissing{} -> return () -- no deletion
-            dbtCsvClassifyAction = \case
-               LmsUserlistInsertData{} -> LmsUserlistInsert
-               LmsUserlistUpdateData{} -> LmsUserlistUpdate
-            dbtCsvCoarsenActionClass = \case
-               LmsUserlistInsert -> DBCsvActionNew
-               LmsUserlistUpdate -> DBCsvActionExisting
-            dbtCsvValidateActions = return ()  -- no validation, since this is an automatic upload, i.e. no user to review error
-            dbtCsvExecuteActions = do
-              C.mapM_ $ \actionData -> do
-                now <- liftIO getCurrentTime
-                void $ upsert LmsUserlist
-                  {
-                    lmsUserlistQualification  =  qid
-                  , lmsUserlistIdent          =  lmsUserlistInsertIdent   actionData
-                  , lmsUserlistFailed         =  lmsUserlistInsertFailed  actionData
-                  , lmsUserlistTimestamp      =  now
-                  }
-                  [
-                    LmsUserlistFailed         =. lmsUserlistInsertFailed  actionData -- TODO: should we allow a reset from failed: True to False?
-                  , LmsUserlistTimestamp      =. now
-                  ]
-                -- audit
-              lift . queueDBJob $ JobLmsUserlist qid
-              return $ LmsUserlistR sid qsh
-            dbtCsvRenderKey = const $ \case
-              LmsUserlistInsertData{..} -> do -- TODO: i18n
-                [whamlet|
-                  $newline never
-                  Insert: Course for Ident #{getLmsIdent lmsUserlistInsertIdent} #
-                  $if lmsUserlistInsertFailed
-                    is closed due to failure.
-                  $else
-                    is open.
-                |]
-              LmsUserlistUpdateData{..} -> do -- TODO: i18n
-                [whamlet|
-                  $newline never
-                  Update: Course for Ident #{getLmsIdent lmsUserlistInsertIdent} #
-                  $if lmsUserlistInsertFailed
-                    is now closed due to failure.
-                  $else
-                    is still open.
-                |]
-            dbtCsvRenderActionClass = toWidget <=< ap getMessageRender . pure
-            dbtCsvRenderException = ap getMessageRender . pure :: LmsUserlistCsvException -> DB Text
-        dbtExtraReps = []
-
-    userlistDBTableValidator = def
-      & defaultSorting [SortAscBy csvLmsIdent]
-
-  dbTable userlistDBTableValidator userlistTable
-
-
-getLmsUserlistR, postLmsUserlistR :: SchoolId -> QualificationShorthand -> Handler Html
-getLmsUserlistR = postLmsUserlistR
-postLmsUserlistR sid qsh = do
-  lmsTable <- runDB $ do
-    qid <- getKeyBy404 $ SchoolQualificationShort sid qsh
-    view _2 <$> mkUserlistTable sid qsh qid
-  siteLayoutMsg MsgMenuLmsUserlist $ do
-    setTitleI MsgMenuLmsUserlist
-    lmsTable
-
-
-- Direct File Upload/Download
--  saveUserlistCsv :: (PersistUniqueWrite backend, MonadIO m, BaseBackend backend ~ SqlBackend, Enum b) =>
--                      Key Qualification -> b -> LmsUserlistTableCsv -> ReaderT backend m b
-saveUserlistCsv :: QualificationId -> Int -> LmsUserlistTableCsv -> DB Int
-saveUserlistCsv qid i LmsUserlistTableCsv{..} = do
-    now <- liftIO getCurrentTime
-    void $ upsert
-      LmsUserlist
-        { lmsUserlistQualification  =  qid
-        , lmsUserlistIdent          =  csvLULident
-        , lmsUserlistFailed         =  csvLULfailed & lms2bool
-        , lmsUserlistTimestamp      =  now
-        }
-      [ LmsUserlistFailed           =. (csvLULfailed & lms2bool)
-      , LmsUserlistTimestamp        =. now
-      ]
-    return $ succ i
-
-makeUserlistUploadForm :: Form FileInfo
-makeUserlistUploadForm = renderAForm FormStandard $ fileAFormReq "Userlist CSV"
-
-getLmsUserlistUploadR, postLmsUserlistUploadR :: SchoolId -> QualificationShorthand -> Handler Html
-getLmsUserlistUploadR = postLmsUserlistUploadR
-postLmsUserlistUploadR sid qsh = do
-  ((result,widget), enctype) <- runFormPost makeUserlistUploadForm
-  case result of
-    FormSuccess file -> do
-      nr <- runDB $ do
-        qid <- getKeyBy404 $ SchoolQualificationShort sid qsh
-        nr <- runConduit $ fileSource file .| decodeCsv .| foldMC (saveUserlistCsv qid) 0
-        queueJob' $ JobLmsUserlist qid
-        return nr
-      addMessage Success $ toHtml $ pack "Erfolgreicher Upload der Datei " <> fileName file <> pack (" mit " <> show nr <> " Zeilen")
-      redirect $ LmsUserlistR sid qsh
-    FormFailure errs -> do
-      forM_ errs $ addMessage Error . toHtml
-      redirect $ LmsUserlistUploadR sid qsh
-    FormMissing ->
-      siteLayoutMsg MsgMenuLmsUserlist $ do
-        setTitleI MsgMenuLmsUpload
-        [whamlet|$newline never
-          <form method=post enctype=#{enctype}>
-            ^{widget}
-            <p>
-            <input type=submit>
-        |]
-
-
-postLmsUserlistDirectR :: SchoolId -> QualificationShorthand -> Handler Html
-postLmsUserlistDirectR sid qsh = do
-  (_params, files) <- runRequestBody
-  (status, msg) <- case files of
-    [(fhead,file)] -> do
-      lmsDecoder <- getLmsCsvDecoder
-      runDB $ do
-        qid <- getKeyBy404 $ SchoolQualificationShort sid qsh
-        enr <- try $ runConduit $ fileSource file
-                .| lmsDecoder
-                .| foldMC (saveUserlistCsv qid) 0
-        case enr of
-          Left (e :: SomeException) -> do
-            $logWarnS "LMS" $ "Userlist upload failed parsing: " <> tshow e
-            return (badRequest400, "Exception: " <> tshow e)
-          Right nr -> do
-            let msg = "Success. LMS Userlist upload file " <> fileName file <> " containing " <> tshow nr <> " rows for " <> fhead <> ".  "
-            $logInfoS "LMS" msg 
-            when (nr > 0) $ queueJob' $ JobLmsUserlist qid
-            return (ok200, msg)
-    []     -> do
-      let msg = "Userlist upload file missing."
-      $logWarnS "LMS" msg
-      return (badRequest400, msg)
-    _other -> do
-      let msg = "Userlist upload received multiple files; all ignored."
-      $logWarnS "LMS" msg
-      return (badRequest400, msg)
-  sendResponseStatus status msg
--- a/src/Handler/PrintCenter.hs
+++ b/src/Handler/PrintCenter.hs
@ -7,10 +7,11 @@

 module Handler.PrintCenter
  ( getPrintDownloadR
-  , getPrintCenterR, postPrintCenterR  
+  , getPrintCenterR, postPrintCenterR
  , getPrintSendR  , postPrintSendR
  , getPrintAckR   , postPrintAckR
-  , postPrintAckDirectR  
+  , getPrintAckDirectR, postPrintAckDirectR
+  , getPrintLogR
  ) where

 import Import
@ -26,7 +27,7 @@ import Database.Esqueleto.Utils.TH

 import Utils.Print

-- import Data.Aeson (encode)
+import qualified Data.Aeson  as Aeson
 -- import qualified Data.Text as Text
 -- import qualified Data.Set  as Set

@ -43,11 +44,11 @@ single :: (k,a) -> Map k a
 single = uncurry Map.singleton


-data LRQF = LRQF 
-    { lrqfLetter    :: Text 
+data LRQF = LRQF
+    { lrqfLetter    :: Text
    , lrqfUser      :: Either UserEmail UserId
    , lrqfSuper     :: Maybe (Either UserEmail UserId)
-    , lrqfQuali     :: Entity Qualification 
+    , lrqfQuali     :: Entity Qualification
    , lrqfIdent     :: LmsIdent
    , lrqfPin       :: Text
    , lrqfExpiry    :: Maybe Day
@ -62,12 +63,12 @@ makeRenewalForm tmpl = identifyForm FIDLmsLetter . validateForm validateLetterRe
    <*> areq (userField False Nothing)  (fslI MsgLmsUser)                      (lrqfUser      <$> tmpl)
    <*> aopt (userField False Nothing)  (fslI MsgTableSupervisor)              (lrqfSuper     <$> tmpl)
    <*> areq qualificationFieldEnt      (fslI MsgQualificationName)            (lrqfQuali     <$> tmpl)
-    <*> areq lmsField                   (fslI MsgTableLmsIdent)                (lrqfIdent     <$> tmpl) 
+    <*> areq lmsField                   (fslI MsgTableLmsIdent)                (lrqfIdent     <$> tmpl)
    <*> areq textField                  (fslI MsgTableLmsPin)                  (lrqfPin       <$> tmpl)
    <*> aopt dayField                   (fslI MsgLmsQualificationValidUntil)   (lrqfExpiry    <$> tmpl)
-    <*> areq (boolField . Just $ SomeMessage MsgBoolIrrelevant) 
+    <*> areq (boolField . Just $ SomeMessage MsgBoolIrrelevant)
                                        (fslI MsgLmsRenewalReminder)           (lrqfReminder  <$> tmpl)
-  where 
+  where
    lmsField = convertField LmsIdent getLmsIdent textField

 validateLetterRenewQualificationF :: FormValidator LRQF Handler ()
@ -76,12 +77,12 @@ validateLetterRenewQualificationF = -- do
  return ()

 lrqf2letter :: LRQF -> DB (Entity User, SomeLetter)
-lrqf2letter LRQF{..} 
-  | lrqfLetter == "r" = do 
+lrqf2letter LRQF{..}
+  | lrqfLetter == "r" = do
    usr   <-      getUser lrqfUser
    rcvr  <- mapM getUser lrqfSuper
    now   <- liftIO getCurrentTime
-    let letter = LetterRenewQualificationF 
+    let letter = LetterRenewQualificationF
          { lmsLogin      = lrqfIdent
          , lmsPin        = lrqfPin
          , qualHolderID  = usr ^. _entityKey
@ -96,13 +97,13 @@ lrqf2letter LRQF{..}
          , isReminder    = lrqfReminder
          }
    return (fromMaybe usr rcvr, SomeLetter letter)
-  | lrqfLetter == "e" || lrqfLetter == "E" = do 
+  | lrqfLetter == "e" || lrqfLetter == "E" = do
    rcvr    <- mapM getUser lrqfSuper
    usr     <-      getUser lrqfUser
    usrShrt <- encrypt $ entityKey usr
    usrUuid <- encrypt $ entityKey usr
    urender <- liftHandler getUrlRender
-    let letter = LetterExpireQualification 
+    let letter = LetterExpireQualification
          { leqHolderCFN   = usrShrt
          , leqHolderID    = usr ^. _entityKey
          , leqHolderDN    = usr ^. _userDisplayName
@ -111,15 +112,15 @@ lrqf2letter LRQF{..}
          , leqId          = lrqfQuali ^. _entityKey
          , leqName        = lrqfQuali ^. _qualificationName      . _CI
          , leqShort       = lrqfQuali ^. _qualificationShorthand . _CI
-          , leqSchool      = lrqfQuali ^. _qualificationSchool          
+          , leqSchool      = lrqfQuali ^. _qualificationSchool
          , leqUrl         = pure . urender $ ForProfileDataR usrUuid
          }
    return (fromMaybe usr rcvr, SomeLetter letter)
  | otherwise = error "Unknown Letter Type encountered. Use 'e' or 'r' only."
-  where 
+  where
    getUser :: Either UserEmail UserId -> DB (Entity User)
    getUser (Right uid) = getEntity404 uid
-    getUser (Left mail) = getBy404 $ UniqueEmail mail 
+    getUser (Left mail) = getBy404 $ UniqueEmail mail


 data PJTableAction = PJActAcknowledge | PJActReprint
@ -190,7 +191,7 @@ pjTableQuery (printJob `E.LeftOuterJoin` recipient
  return (printJob, recipient, sender, course, quali)

 mkPJTable :: DB (FormResult (PJTableActionData, Set PrintJobId), Widget)
-mkPJTable = do  
+mkPJTable = do
  let
    dbtSQLQuery = pjTableQuery
    dbtRowKey = queryPrintJob >>> (E.^. PrintJobId)
@ -225,7 +226,7 @@ mkPJTable = do
    dbtFilter = mconcat
      [ single ("name"         , FilterColumn . E.mkContainsFilterWithCommaPlus id                $ views (to queryPrintJob)      (E.^. PrintJobName))
      , single ("apcid"        , FilterColumn . E.mkContainsFilterWithComma     id                $ views (to queryPrintJob)      (E.^. PrintJobApcIdent))
-      , single ("filename"     , FilterColumn . E.mkContainsFilter                                $ views (to queryPrintJob)      (E.^. PrintJobFilename))      
+      , single ("filename"     , FilterColumn . E.mkContainsFilter                                $ views (to queryPrintJob)      (E.^. PrintJobFilename))
      , single ("created"      , FilterColumn . E.mkDayFilter                                     $ views (to queryPrintJob)      (E.^. PrintJobCreated))
      --, single ("created"      , FilterColumn . E.mkDayBetweenFilter                            $ views (to queryPrintJob)      (E.^. PrintJobCreated))
      , single ("recipient"    , FilterColumn . E.mkContainsFilterWithCommaPlus Just              $ views (to queryRecipient)     (E.?. UserDisplayName))
@ -233,7 +234,7 @@ mkPJTable = do
      , single ("course"       , FilterColumn . E.mkContainsFilterWith          (Just . CI.mk)    $ views (to queryCourse)        (E.?. CourseName))
      , single ("qualification", FilterColumn . E.mkContainsFilterWith          (Just . CI.mk)    $ views (to queryQualification) (E.?. QualificationName))
      , single ("lmsid"        , FilterColumn . E.mkContainsFilterWithCommaPlus (Just . LmsIdent) $ views (to queryPrintJob)      (E.^. PrintJobLmsUser))
-      
+
      , single ("acknowledged" , FilterColumn . E.mkExactFilterLast $ views (to queryPrintJob) (E.isJust . (E.^. PrintJobAcknowledged)))
      ]
    dbtFilterUI mPrev = mconcat
@ -288,7 +289,7 @@ mkPJTable = do

 getPrintCenterR,  postPrintCenterR :: Handler Html
 getPrintCenterR = postPrintCenterR
-postPrintCenterR = do  
+postPrintCenterR = do
  (pjRes, pjTable) <- runDB mkPJTable

  formResult pjRes $ \case
@ -298,21 +299,21 @@ postPrintCenterR = do
      addMessageI Success $ MsgPrintJobAcknowledge num
      reloadKeepGetParams PrintCenterR
    (PJActReprintData{ignoreReroute}, Set.toList -> pjIds) -> do
-      let countOk = either (const $ Sum 0) (const $ Sum 1)          
+      let countOk = either (const $ Sum 0) (const $ Sum 1)
      oks <- runDB $ forM pjIds $ fmap countOk . reprintPDF (fromMaybe False ignoreReroute)
      let nr_oks = getSum $ mconcat oks
          nr_tot = length pjIds
          mstat  = bool Warning Success $ nr_oks == nr_tot
      addMessageI mstat $ MsgPrintJobReprint nr_oks nr_tot
      reloadKeepGetParams PrintCenterR
-  siteConf <- getYesod  
+  siteConf <- getYesod
  let lprConf = siteConf ^. _appLprConf
      reroute = siteConf ^. _appMailRerouteTo
      lprWgt  = [whamlet|
          LPR Konfiguration ist #{lprQueue lprConf}@#{lprHost lprConf}:#{lprPort lprConf}
          <div>
            $maybe _ <- reroute
-              Mail-reroute-to ist gesetzt, somit werden alle lpr Kommandos unterdrückt!          
+              Mail-reroute-to ist gesetzt, somit werden alle lpr Kommandos unterdrückt!
        |]
  siteLayoutMsg MsgMenuApc $ do
    setTitleI MsgMenuApc
@ -322,7 +323,7 @@ postPrintCenterR = do
 getPrintSendR, postPrintSendR :: Handler Html
 getPrintSendR = postPrintSendR
 postPrintSendR = do
-  usr  <- requireAuth -- to determine language and recipient for test   
+  usr  <- requireAuth -- to determine language and recipient for test
  mbQual <- runDB $ selectFirst [] [Asc QualificationAvsLicence, Asc QualificationShorthand]
  now <- liftIO getCurrentTime
  let nowaday = utctDay now
@ -340,7 +341,7 @@ postPrintSendR = do
      def_lrqf = mkLetter <$> mbQual

  ((sendResult, sendWidget), sendEnctype) <- runFormPost $ makeRenewalForm def_lrqf
-  let procFormSend lrqf = case lrqfLetter lrqf of 
+  let procFormSend lrqf = case lrqfLetter lrqf of
        "E" -> (runDB (lrqf2letter lrqf) >>= printHtml (Just uid)) >>= \case
            Right html -> sendResponse $ toTypedContent html
            Left err -> do
@ -348,7 +349,7 @@ postPrintSendR = do
              $logErrorS "LPR" msg
              addMessage Error $ toHtml msg
              pure ()
-        _ -> do 
+        _ -> do
            ok <- (runDB (lrqf2letter lrqf) >>= printLetter (Just uid)) >>= \case
              Left err -> do
                let msg = "PDF printing failed with error: " <> err
@ -399,26 +400,26 @@ postPrintAckR ackDay numAck chksm = do
        , formSubmit   = FormNoSubmit
        }
  formResult ackRes $ \BtnConfirm -> do
-    numNew <- runDB $ do 
-      pjs <- Ex.select $ do 
+    numNew <- runDB $ do
+      pjs <- Ex.select $ do
        pj <- Ex.from $ Ex.table @PrintJob
-        let pjDay = E.day $ pj Ex.^. PrintJobCreated 
+        let pjDay = E.day $ pj Ex.^. PrintJobCreated
        Ex.where_ $  Ex.isNothing (pj Ex.^. PrintJobAcknowledged)
-              Ex.&&. (pjDay Ex.==. Ex.val ackDay)      
+              Ex.&&. (pjDay Ex.==. Ex.val ackDay)
        return $ pj Ex.^. PrintJobId
      let changed = numAck /= length pjs || chksm /= hash (Set.fromList (Ex.unValue <$> pjs))
      if changed
        then return (-1)
-        else do 
+        else do
          now <- liftIO getCurrentTime
          E.updateCount $ \pj -> do
-            let pjDay = E.day $ pj E.^. PrintJobCreated 
+            let pjDay = E.day $ pj E.^. PrintJobCreated
            E.set pj [ PrintJobAcknowledged E.=. E.justVal now ]
            E.where_ $ E.isNothing (pj E.^. PrintJobAcknowledged)
                  E.&&. (pjDay E.==. E.val ackDay)
          --  Ex.updateCount $ do
            --  pj <- Ex.from $ Ex.table @PrintJob
-            --  let pjDay = E.day $ pj Ex.^. PrintJobCreated 
+            --  let pjDay = E.day $ pj Ex.^. PrintJobCreated
            --  Ex.set pj [ PrintJobAcknowledged Ex.=. Ex.just (Ex.val now) ]
            --  Ex.where_ $ Ex.isNothing (pj Ex.^. PrintJobAcknowledged)
                  -- Ex.&&. (pjDay Ex.==. Ex.val ackDay)
@ -427,29 +428,44 @@ postPrintAckR ackDay numAck chksm = do
      else addMessageI Error     MsgPrintJobAcknowledgeFailed
    redirect PrintCenterR
  ackDayText <- formatTime SelFormatDate ackDay
-  siteLayoutMsg 
-    (MsgPrintJobAcknowledgeQuestion numAck ackDayText) 
+  siteLayoutMsg
+    (MsgPrintJobAcknowledgeQuestion numAck ackDayText)
    ackForm

 -- no header csv, containing a single column of lms identifiers (logins)
 -- instance Csv.FromRecord LmsIdent -- default suffices
-- instance Csv.FromRecord Text where 
--   parseRecord v 
+-- instance Csv.FromRecord Text where
+--   parseRecord v
 --     | length v >= 1 = v Csv..! 0
 --     | otherwise     = pure "ERROR"

 saveApcident :: UTCTime -> Natural -> Text -> JobDB Natural
 saveApcident t i apci = insert_ (PrintAcknowledge apci t False) >> return (succ i)

+
+makeAckUploadForm :: Form FileInfo
+makeAckUploadForm = renderAForm FormStandard $ fileAFormReq "Acknowledge APC-Ident CSV"
+
+getPrintAckDirectR :: Handler Html
+getPrintAckDirectR = do
+  (widget, enctype) <- generateFormPost makeAckUploadForm
+  siteLayoutMsg MsgMenuPrintAck $ do
+    setTitleI MsgMenuPrintAck
+    [whamlet|$newline never
+      <form method=post enctype=#{enctype}>
+        ^{widget}
+        <input type=submit>
+    |]
+
 postPrintAckDirectR :: Handler Html
 postPrintAckDirectR = do
  now <- liftIO getCurrentTime
  (_params, files) <- runRequestBody
  (status, msg) <- case files of
-    [(_fhead,file)] -> do      
-      runDBJobs $ do        
+    [(_fhead,file)] -> do
+      runDBJobs $ do
        enr <- try $ runConduit $ fileSource file
-                -- .| decodeCsvPositional Csv.NoHeader -- decode by separator position                
+                -- .| decodeCsvPositional Csv.NoHeader -- decode by separator position
                .| decodeUtf8C      -- no CSV, just convert each line to a single text
                .| linesUnboundedC
                .| foldMC (saveApcident now) 0
@ -461,7 +477,7 @@ postPrintAckDirectR = do
            let msg = "Success: received " <> tshow nr <> " APC identifiers to be processed later."
            $logInfoS "LMS" msg
            when (nr > 0) $ queueDBJob JobPrintAck
-            return (ok200, msg)      
+            return (ok200, msg)
    []     -> do
      let msg = "Error: No file received. A file of lms identifiers must be supplied for print job acknowledging."
      $logWarnS "APC" msg
@ -471,3 +487,55 @@ postPrintAckDirectR = do
      $logErrorS "APC" msg
      return (badRequest400, msg)
  sendResponseStatus status msg -- must be outside of runDB; otherwise transaction is rolled back
+
+
+getPrintLogR :: Handler Html
+getPrintLogR = do
+  let
+    logDBTable = DBTable{..}
+      where
+        resultLog :: Lens' (DBRow (TransactionLog, Aeson.Result Transaction)) TransactionLog
+        resultLog = _dbrOutput . _1
+
+        resultTrans :: Lens' (DBRow (TransactionLog, Aeson.Result Transaction)) (Aeson.Result Transaction)
+        resultTrans = _dbrOutput . _2
+
+        tCell' err c dbr = case view resultTrans dbr of
+          (Aeson.Error msg) -> err msg -- should not happen, due to query filter
+          (Aeson.Success t) -> c t
+        tCellErr = tCell' stringCell
+        tCell    = tCell' $ const mempty
+
+        dbtIdent = "lpr-log" :: Text
+        dbtSQLQuery l = do
+          E.where_ $ E.val "LPR" E.==. l E.^. TransactionLogInfo E.->>. "interface-name"
+            -- E.&&. E.val "interface" E.==. l E.^. TransactionLogInfo E.->>. "transaction" -- not necessary
+          return l
+        dbtRowKey = (E.^. TransactionLogId)
+        dbtProj = dbtProjSimple $ \(Entity _ l) -> do
+          return (l, Aeson.fromJSON $ transactionLogInfo l)
+        dbtColonnade = dbColonnade $ mconcat
+          [ sortable (Just "time")    (i18nCell MsgSystemMessageTimestamp) $ \(view $ resultLog . to transactionLogTime -> t) -> dateTimeCell t
+          , sortable (Just "status")  (textCell "Status")                $ tCell    (cellMaybe iconBoolCell . transactionInterfaceSuccess)
+          , sortable (Just "subtype") (i18nCell MsgInterfaceSubtype)     $ tCell    (              textCell . transactionInterfaceSubtype)
+          , sortable (Just "info")    (i18nCell MsgSystemMessageContent) $ tCellErr (              textCell . transactionInterfaceInfo)
+          ]
+        dbtSorting = mconcat
+          [ singletonMap "time"     $ SortColumn (E.^. TransactionLogTime)
+          , singletonMap "status"   $ SortColumn (\r -> r E.^. TransactionLogTime E.->>. "interface-success")
+          , singletonMap "subtype"  $ SortColumn (\r -> r E.^. TransactionLogTime E.->>. "interface-subtype")
+          , singletonMap "info"     $ SortColumn (\r -> r E.^. TransactionLogTime E.->>. "interface-info"   )
+          ]
+        dbtFilter   = mempty
+        dbtFilterUI = mempty
+
+        dbtStyle  = def
+        dbtParams = def
+        dbtCsvEncode = noCsvEncode
+        dbtCsvDecode = Nothing
+        dbtExtraReps = []
+    validator = def & defaultSorting [ SortDescBy "time" ]
+  tbl <- runDB $ dbTableDB' validator logDBTable
+  siteLayoutMsg MsgMenuPrintLog $ do
+    setTitleI MsgMenuPrintLog
+    [whamlet|^{tbl}|]
--- a/src/Handler/Profile.hs
+++ b/src/Handler/Profile.hs
@ -70,6 +70,9 @@ data SettingsForm = SettingsForm
      , stgPrefersPostal        :: Bool
      , stgPostAddress          :: Maybe StoredMarkup
      
+      , stgTelephone            :: Maybe Text
+      , stgMobile               :: Maybe Text
+
      , stgExamOfficeSettings   :: ExamOfficeSettings
      , stgSchools              :: Set SchoolId
      , stgNotificationSettings :: NotificationSettings
@ -129,9 +132,12 @@ makeSettingForm template html = do
        <*> apopt checkBoxField (fslI MsgShowSex & setTooltip MsgShowSexTip) (stgShowSex <$> template)

        <*  aformSection MsgFormNotifications
-        <*> aopt  (textField & cfStrip) (fslI MsgPDFPassword   & setTooltip MsgPDFPasswordTip) (stgPinPassword   <$> template)
+        <*> aopt  (textField & cfStrip) (fslI MsgPDFPassword      & setTooltip MsgPDFPasswordTip) (stgPinPassword   <$> template)
        <*> apopt checkBoxField         (fslI MsgPrefersPostalExp & setTooltip MsgPostalTip)      (stgPrefersPostal <$> template)
-        <*> aopt  htmlField             (fslI MsgPostAddress   & setTooltip MsgPostAddressTip) (stgPostAddress   <$> template)
+        <*> aopt  htmlField             (fslI MsgPostAddress      & setTooltip MsgPostAddressTip) (stgPostAddress   <$> template)
+
+        <*> aopt  (textField & cfStrip) (fslI MsgUserTelephone) (stgTelephone <$> template)
+        <*> aopt  (textField & cfStrip) (fslI MsgUserMobile   ) (stgMobile    <$> template)      

        <*> examOfficeForm (stgExamOfficeSettings <$> template)        
        <*> schoolsForm (stgSchools <$> template)
@ -362,14 +368,14 @@ validateSettings User{..} = do
    validEmail' userDisplayEmail'

  userPostAddress'  <- use _stgPostAddress
-  let postalNotSet  = isNothing userPostAddress'
+  let postalNotSet  = isNothing userPostAddress' -- TODO $ canonical userPostAddress'
      postalIsValid = validPostAddress userPostAddress'
  guardValidation MsgUserPostalInvalid $
    postalNotSet || postalIsValid

  userPrefersPostal' <- use _stgPrefersPostal
  guardValidation MsgUserPrefersPostalInvalid $
-    not $ userPrefersPostal' && (postalNotSet || isJust userCompanyDepartment)
+    not $ userPrefersPostal' && postalNotSet && isNothing userCompanyDepartment

  userPinPassword'  <- use _stgPinPassword
  let pinBad     = validCmdArgument =<< userPinPassword'
@ -439,6 +445,8 @@ serveProfileR (uid, user@User{..}) = do
        , stgPinPassword          = userPinPassword
        , stgPostAddress          = userPostAddress
        , stgPrefersPostal        = userPrefersPostal  
+        , stgTelephone            = userTelephone
+        , stgMobile               = userMobile
        , stgExamOfficeSettings   = ExamOfficeSettings
                                    { eosettingsGetSynced = userExamOfficeGetSynced
                                    , eosettingsGetLabels = userExamOfficeGetLabels
@ -467,9 +475,11 @@ serveProfileR (uid, user@User{..}) = do
        , UserWarningDays          =. stgWarningDays
        , UserNotificationSettings =. stgNotificationSettings
        , UserShowSex              =. stgShowSex
-        , UserPinPassword          =. stgPinPassword
-        , UserPostAddress          =. stgPostAddress
+        , UserPinPassword          =. (stgPinPassword & canonical)
+        , UserPostAddress          =. (stgPostAddress & canonical)
        , UserPrefersPostal        =. stgPrefersPostal
+        , UserTelephone            =. (stgTelephone   & canonical)
+        , UserMobile               =. (stgMobile      & canonical)
        , UserExamOfficeGetSynced  =. (stgExamOfficeSettings & eosettingsGetSynced)
        , UserExamOfficeGetLabels  =. (stgExamOfficeSettings & eosettingsGetLabels)
        ]
--- a/src/Handler/Qualification.hs
+++ b/src/Handler/Qualification.hs
@ -591,7 +591,7 @@ postQualificationR sid qsh = do
                        , let cmpName = maybe (unCompanyKey cmpId) companyName $ Map.lookup cmpId cmpMap                        
                        ]
              in intercalate spacerCell cs
-          , guardMonoid isAdmin colUserMatriclenr
+          , guardMonoid isAdmin $ colUserMatriclenr isAdmin
          -- , sortable (Just "validity")      (i18nCell MsgQualificationValidIndicator) (qualificationValidIconCell nowaday . view resultQualUser)
          , sortable (Just "first-held")    (i18nCell MsgTableQualificationFirstHeld)  $    \(   view $ resultQualUser . _entityVal . _qualificationUserFirstHeld   -> d)  -> dayCell d
          , sortable (Just "last-refresh")  (i18nCell MsgTableQualificationLastRefresh)$    \(   view $ resultQualUser . _entityVal . _qualificationUserLastRefresh -> d)  -> dayCell d          
--- a/src/Handler/SAP.hs
+++ b/src/Handler/SAP.hs
@ -16,6 +16,7 @@ import Handler.Utils
 import Handler.Utils.Csv
 import Handler.Utils.Profile

+import qualified Data.Text as Text (intercalate)
 -- import qualified Data.CaseInsensitive as CI
 import qualified Data.Csv as Csv
 import           Database.Esqueleto.Experimental ((:&)(..))
@ -137,10 +138,13 @@ getQualificationSAPDirectR = do
      csvOpts = def { csvFormat = fmtOpts }
      csvSheetName = "fradrive_sap_" <> fdate <> ".csv"
      nr  = length qualUsers
-      msg = "Qualification download file " <> csvSheetName <> " containing " <> tshow nr <> " rows"  
+      msg = "Qualification download file " <> csvSheetName <> " containing " <> tshow nr <> " rows"
+      quals = Text.intercalate ", " $ nubOrd $ mapMaybe (view (_2 . E._unValue)) qualUsers
  $logInfoS "SAP" msg
+  let logInt = runDB $ logInterface "SAP" quals True (Just nr) ""
  addHeader "Content-Disposition" $ "attachment; filename=\"" <> csvSheetName <> "\""
-  csvRenderedToTypedContentWith csvOpts csvSheetName csvRendered  
+  csvRenderedToTypedContentWith csvOpts csvSheetName csvRendered <* logInt
+  

 -- direct Download see:
 -- https://ersocon.net/blog/2017/2/22/creating-csv-files-in-yesod
--- a/src/Handler/Submission/Helper/ArchiveTable.hs
+++ b/src/Handler/Submission/Helper/ArchiveTable.hs
@ -74,7 +74,7 @@ mkSubmissionArchiveTable tid ssh csh shn showCorrection smid = do
              isFile' = origIsFile <|> corrIsFile
            in maybeCell ((,) <$> fileTitle'' <*> isFile') $ \(fileTitle', isFile) -> if
              | Just True <- origIsFile -> anchorCell (subDownloadLink SubmissionOriginal fileTitle') [whamlet|#{fileTitle'}|]
-              | otherwise               -> textCell $ bool (<> "/") id isFile fileTitle'
+              | otherwise               -> stringCell $ bool (<> "/") id isFile fileTitle'
        , guardOn showCorrection . sortable (toNothing "state") (i18nCell MsgTableCorState) $ \t -> case t ^? resultCorrected of
            Nothing -> cell mempty
            Just (Entity _ SubmissionFile{..}) -> tellCell (Any True) $ if
--- a/src/Handler/Submission/List.hs
+++ b/src/Handler/Submission/List.hs
@ -397,7 +397,7 @@ colSubmissionLink = sortable (Just "submission") (i18nCell MsgTableSubmission) $
      csh = x ^. resultCourseShorthand
      shn = x ^. resultSheet . _entityVal . _sheetName
      subCID = x ^. resultCryptoID
-   in anchorCellC $cacheIdentHere (CSubmissionR tid ssh csh shn subCID SubShowR) (toPathPiece subCID)
+   in anchorCell (CSubmissionR tid ssh csh shn subCID SubShowR) (toPathPiece subCID)

 colSelect :: forall act h epId. (Semigroup act, Monoid act, Headedness h, Ord epId) => Colonnade h CorrectionTableData (DBCell _ (FormResult (act, DBFormResult CryptoFileNameSubmission Bool CorrectionTableData), SheetTypeSummary epId))
 colSelect = dbSelect (_1 . applying _2) id $ views resultCryptoID return
--- a/src/Handler/Tutorial/Communication.hs
+++ b/src/Handler/Tutorial/Communication.hs
@ -32,9 +32,10 @@ postTCommR tid ssh csh tutn = do
             )
    return (tutData, usertuts)

-
+  let heading = SomeMessage . prependCourseTitle tid ssh csh $ SomeMessage MsgCommTutorialHeading
  commR CommunicationRoute
-    { crHeading    = SomeMessage . prependCourseTitle tid ssh csh $ SomeMessage MsgCommTutorialHeading
+    { crHeading    = heading
+    , crTitle      = heading
    , crUltDest    = SomeRoute $ CTutorialR tid ssh csh tutn TCommR
    , crJobs       = crJobsCourseCommunication cid
    , crTestJobs   = crTestJobsCourseCommunication cid
--- a/src/Handler/Tutorial/Users.hs
+++ b/src/Handler/Tutorial/Users.hs
@ -71,8 +71,8 @@ postTUsersR tid ssh csh tutn = do
        colChoices  = mconcat $ catMaybes
          [ pure $ dbSelect (applying _2) id (return . view (hasEntity . _entityKey))
          , pure $ colUserNameModalHdr MsgTableCourseMembers ForProfileDataR          
-          , pure  colUserEmail
-          , pure  colUserMatriclenr
+          , pure   colUserEmail
+          , pure $ colUserMatriclenr isAdmin
          , pure $ colUserQualifications nowaday
          , pure $ colUserQualificationBlocked isAdmin nowaday
          ]
--- a/src/Handler/Users.hs
+++ b/src/Handler/Users.hs
@ -100,7 +100,7 @@ postUsersR = do
      , sortable (Just "name") (i18nCell MsgName) $ \DBRow{ dbrOutput = Entity uid User{..} } -> anchorCellM
          (AdminUserR <$> encrypt uid)
          (nameWidget userDisplayName userSurname)
-      , sortable (Just "matriculation") (i18nCell MsgTableMatrikelNr) $ \DBRow{ dbrOutput = entUsr } -> cellHasMatrikelnummerLinked entUsr
+      , sortable (Just "matriculation") (i18nCell MsgTableMatrikelNr) $ \DBRow{ dbrOutput = entUsr } -> cellHasMatrikelnummerLinkedAdmin entUsr
      , sortable (Just "user-company") (i18nCell MsgTableCompanies)   $ \DBRow{ dbrOutput = Entity uid _ } -> flip (set' cellContents) mempty $ do -- why does sqlCell not work here? Mismatch "YesodDB UniWorX" and "RWST (Maybe (Env,FileEnv), UniWorX, [Lang]) Enctype Ints (HandlerFor UniWorX"
            companies' <- liftHandler . runDB . E.select $ E.from $ \(usrComp `E.InnerJoin` comp) -> do
              E.on $ usrComp E.^. UserCompanyCompany E.==. comp E.^. CompanyId
@ -109,7 +109,7 @@ postUsersR = do
              return (comp E.^. CompanyShorthand, comp E.^. CompanyName, usrComp E.^. UserCompanySupervisor)            
            let icnSuper  = toWidget $ text2markup " " <> icon IconSupervisor
                companies = 
-                  (\(E.Value cmpSh, E.Value cmpName, E.Value cmpSpr) -> simpleLink (citext2widget cmpName) (FirmR cmpSh) <> bool mempty icnSuper cmpSpr) <$> companies'
+                  (\(E.Value cmpSh, E.Value cmpName, E.Value cmpSpr) -> simpleLink (citext2widget cmpName) (FirmUsersR cmpSh) <> bool mempty icnSuper cmpSpr) <$> companies'
            pure $ intercalate (text2widget "; ") companies
      -- , sortable (Just "personal-number") (i18nCell MsgCompanyPersonalNumber) $ \DBRow{ dbrOutput = Entity uid User{..} } -> anchorCellM
      --     (AdminUserR <$> encrypt uid)
@ -129,8 +129,9 @@ postUsersR = do
                  (\(usr, E.Value reroutCom) -> linkUserWidget ForProfileDataR usr <> bool mempty icnReroute reroutCom) <$> supervisors'
                icnReroute = text2widget " " <> toWgt (icon IconLetter)
            pure $ mconcat supervisors
-      , sortable (Just "auth-ldap") (i18nCell MsgAuthMode) $ \DBRow{ dbrOutput = Entity _ User{..} } -> i18nCell userAuthentication
-      , sortable (Just "ldap-sync") (i18nCell MsgLdapSynced) $ \DBRow{ dbrOutput = Entity _ User{..} } -> maybe mempty dateTimeCell userLastLdapSynchronisation
+      , sortable (Just "last-login") (i18nCell MsgLastLogin)  $ \DBRow{ dbrOutput = Entity _ User{..} } -> maybe mempty dateTimeCell userLastAuthentication
+      , sortable (Just "auth-ldap")  (i18nCell MsgAuthMode)   $ \DBRow{ dbrOutput = Entity _ User{..} } -> i18nCell userAuthentication      
+      , sortable (Just "ldap-sync")  (i18nCell MsgLdapSynced) $ \DBRow{ dbrOutput = Entity _ User{..} } -> maybe mempty dateTimeCell userLastLdapSynchronisation
      , flip foldMap universeF $ \function ->
          sortable (Just $ SortingKey $ CI.mk $ toPathPiece function) (i18nCell function) $ \DBRow{ dbrOutput = Entity uid _ } -> flip (set' cellContents) mempty $ do
            schools <- liftHandler . runDB . E.select . E.from $ \(school `E.InnerJoin` userFunction) -> do
@ -228,6 +229,9 @@ postUsersR = do
          , ( "auth-ldap"
            , SortColumn $ \user -> user E.^. UserAuthentication E.!=. E.val AuthLDAP
            )
+          , ( "last-login"
+            , SortColumn $ \user -> user E.^. UserLastAuthentication
+            )
          , ( "ldap-sync"
            , SortColumn $ \user -> user E.^. UserLastLdapSynchronisation
            )
--- a/src/Handler/Utils.hs
+++ b/src/Handler/Utils.hs
@ -35,6 +35,8 @@ import Handler.Utils.Qualification as Handler.Utils

 import Handler.Utils.Term as Handler.Utils

+-- import Handler.Utils.Concurrent as Handler.Utils -- only imported when needed
+
 import Control.Monad.Logger


@ -146,7 +148,7 @@ redirectAlternatives = go
 reload :: (MonadHandler m, HandlerSite m ~ UniWorX) => Route (HandlerSite m) -> m a
 reload r = getCurrentRoute >>= redirect . fromMaybe r

-- | like `reload`, preserving all GET parameters
+-- | like `reload` to current route, but also preserving all GET parameters, using the current route, if known
 reloadKeepGetParams :: (MonadHandler m, HandlerSite m ~ UniWorX) => Route (HandlerSite m) -> m a
 reloadKeepGetParams r = liftHandler $ do 
  getps <- reqGetParams <$> getRequest
@ -155,7 +157,7 @@ reloadKeepGetParams r = liftHandler $ do
  -- RECALL: redirect GET parameters are used like so: -- redirect (UsersR, [("users-user-company","fraport")])
  redirect (route, getps) 

-- | redirect preserving all GET parameters
+-- | like `reloadKeepGetParams`, but always leading to the specific route instead of the current route
 redirectKeepGetParams :: (MonadHandler m, HandlerSite m ~ UniWorX) => Route (HandlerSite m) -> m a
 redirectKeepGetParams route = liftHandler $ do 
  getps <- reqGetParams <$> getRequest  
--- a/src/Handler/Utils/Avs.hs
+++ b/src/Handler/Utils/Avs.hs
@ -494,7 +494,7 @@ upsertAvsUserById api = do
        whenIsJust pinCard $ \pCard -> -- update pin, but only if it was unset or set to the value of an old card
          unlessM (exists [UserAvsCardCardNo ==. getFullCardNo pCard]) $ do
            let oldPins = Just . personCard2pin . userAvsCardCard . entityVal <$> oldCards
-            updateWhere [UserId ==. uid, UserPinPassword !=. userPin, UserPinPassword <-. Nothing:oldPins]
+            updateWhere [UserId ==. uid, UserPinPassword !=. userPin, UserPinPassword <-. oldPins] -- check for old pin ensures that unset/manually set passwords remain unchanged
                        [UserPinPassword =. userPin]
            insert_ $ UserAvsCard api (getFullCardNo pCard) pCard now
        upsertUserCompany uid mbCompany userFirmAddr
--- a/src/Handler/Utils/Communication.hs
+++ b/src/Handler/Utils/Communication.hs
@ -15,6 +15,7 @@ module Handler.Utils.Communication

 import Import
 import Handler.Utils
+import Handler.Utils.Users 

 import Jobs.Queue

@ -32,7 +33,7 @@ data RecipientGroup = RGCourseParticipants | RGCourseLecturers | RGCourseCorrect
                    | RGTutorialParticipants CryptoUUIDTutorial
                    | RGExamRegistered CryptoUUIDExam
                    | RGSheetSubmittor CryptoUUIDSheet
-                    | RGFirmSupervisor CompanyShorthand | RGFirmEmployees CompanyShorthand
+                    | RGFirmSupervisor CompanyShorthand | RGFirmEmployees CompanyShorthand | RGFirmIndependent
  deriving (Eq, Ord, Read, Show, Generic)

 instance LowerBounded RecipientGroup where
@ -80,6 +81,7 @@ data CommunicationRoute = CommunicationRoute
  , crRecipientAuth :: Maybe (UserId -> DB AuthResult) -- ^ Only resolve userids given as GET-Parameter if they fulfil this criterion
  , crJobs, crTestJobs :: Communication -> ConduitT () Job (YesodDB UniWorX) ()
  , crHeading       :: SomeMessage UniWorX
+  , crTitle         :: SomeMessage UniWorX
  , crUltDest       :: SomeRoute UniWorX
  }

@ -94,148 +96,154 @@ makeLenses_ ''Communication
 crJobsCourseCommunication, crTestJobsCourseCommunication :: CourseId -> Communication -> ConduitT () Job (YesodDB UniWorX) ()
 crJobsCourseCommunication jCourse Communication{..} = do
  jSender <- requireAuthId
-  let jMailContent = cContent
-      allRecipients = Set.toList $ Set.insert (Right jSender) cRecipients
  jMailObjectUUID <- liftIO getRandom
-  jAllRecipientAddresses <- lift . fmap Set.fromList . forM allRecipients $ \case
-    Left email -> return . Address Nothing $ CI.original email
-    Right rid  -> userAddress <$> getJust rid
-  forM_ allRecipients $ \jRecipientEmail ->
-    yield JobSendCourseCommunication{..}
+  let jMailContent = cContent
+      (rawReceiverMails, rawReceiverIds) = setPartitionEithers cRecipients
+      adrReceiverMails = Set.map (Address Nothing . CI.original) rawReceiverMails
+  netReceiverAddresses <- lift $ do
+    netReceiverIds <- getReceiversFor $ jSender : Set.toList rawReceiverIds -- ensure supervisors get only one email
+    (userAddress . entityVal) <<$>> selectList [UserId <-. netReceiverIds] []
+  -- let jAllRecipientAddresses = Set.fromList netReceiverAddresses <> adrReceiverMails
+  let jAllRecipientAddresses = Set.map getAddress (Set.fromList (AddressEqIgnoreName <$> netReceiverAddresses) <> Set.map AddressEqIgnoreName adrReceiverMails)
+  forM_ jAllRecipientAddresses $ \raddr ->
+    yield JobSendCourseCommunication{jRecipientEmail = Left $ CI.mk $ addressEmail raddr, ..} -- using Left UserMail ensures that no further reroutes are used, thus supervised supervisors also receive an email
+
 crTestJobsCourseCommunication jCourse comm = do
  jSender <- requireAuthId
-
  MsgRenderer mr <- getMsgRenderer
  let comm' = comm & _cContent . _ccSubject %~ Just . mr . MsgCommCourseTestSubject . fromMaybe (mr MsgUtilCommCourseSubject)
  crJobsCourseCommunication jCourse comm' .| C.filter ((== Right jSender) . jRecipientEmail)


-crJobsFirmCommunication :: Maybe CompanyShorthand -> Communication -> ConduitT () Job (YesodDB UniWorX) ()
-crJobsFirmCommunication jCompany Communication{..} = do
+crJobsFirmCommunication, crTestFirmCommunication :: Companies -> Communication -> ConduitT () Job (YesodDB UniWorX) ()
+crJobsFirmCommunication jCompanies Communication{..} = do
  jSender <- requireAuthId
-  let jMailContent = cContent
-      allRecipients = Set.toList $ Set.insert (Right jSender) cRecipients
  jMailObjectUUID <- liftIO getRandom
-  jAllRecipientAddresses <- lift . fmap Set.fromList . forM allRecipients $ \case
-    Left email -> return . Address Nothing $ CI.original email
-    Right rid  -> userAddress <$> getJust rid
-  forM_ allRecipients $ \jRecipientEmail ->
-    yield JobSendFirmCommunication{..}
+  let jMailContent = cContent
+      (rawReceiverMails, rawReceiverIds) = setPartitionEithers cRecipients
+      adrReceiverMails = Set.map (Address Nothing . CI.original) rawReceiverMails
+  netReceiverAddresses <- lift $ do
+    netReceiverIds <- getReceiversFor $ jSender : Set.toList rawReceiverIds -- ensure supervisors get only one email
+    (userAddress . entityVal) <<$>> selectList [UserId <-. netReceiverIds] []
+  -- let jAllRecipientAddresses = Set.fromList netReceiverAddresses <> adrReceiverMails
+  let jAllRecipientAddresses = Set.map getAddress (Set.fromList (AddressEqIgnoreName <$> netReceiverAddresses) <> Set.map AddressEqIgnoreName adrReceiverMails)
+  forM_ jAllRecipientAddresses $ \raddr ->
+    yield JobSendFirmCommunication{jRecipientEmail = Left $ CI.mk $ addressEmail raddr, ..} -- using Left UserMail ensures that no further reroutes are used, thus supervised supervisors also receive an email

-crTestFirmCommunication :: Maybe CompanyShorthand -> Communication -> ConduitT () Job (YesodDB UniWorX) ()
-crTestFirmCommunication jCompany comm = do
+crTestFirmCommunication jCompanies comm = do
  jSender <- requireAuthId
  MsgRenderer mr <- getMsgRenderer
  let comm' = comm & _cContent . _ccSubject %~ Just . mr . MsgCommCourseTestSubject . fromMaybe (mr MsgUtilCommFirmSubject)
-  crJobsFirmCommunication jCompany comm' .| C.filter ((== Right jSender) . jRecipientEmail)
+  crJobsFirmCommunication jCompanies comm' .| C.filter ((== Right jSender) . jRecipientEmail)




 commR :: CommunicationRoute -> Handler Html
 commR CommunicationRoute{..} =  do
-  cUser <- maybeAuth
-
-  MsgRenderer mr <- getMsgRenderer
-  mbCurrentRoute <- getCurrentRoute
-
-  (suggestedRecipients, chosenRecipients) <- runDB $ do
-    suggestedUsers <- for crRecipients $ \(_,user) -> E.select user
-    let suggested = zip (view _1 <$> crRecipients) suggestedUsers
-
-    let
-      decrypt' :: CryptoUUIDUser -> DB (Maybe (Entity User))
+  let decrypt' :: CryptoUUIDUser -> DB (Maybe (Entity User))
      decrypt' cID = do
        uid <- decrypt cID
        whenIsJust crRecipientAuth $ guardAuthResult <=< ($ uid)
-        getEntity uid
-
-    chosen' <- fmap (maybe id cons cUser . catMaybes) $ mapM decrypt' =<< lookupGlobalGetParams GetRecipient
-
-    return (suggested, chosen')
+        getEntity uid  
+  cUser <- maybeAuth
+  (chosenRecipients, suggestedRecipients) <- runDB $ (,)
+    <$> (maybe id cons cUser . catMaybes <$> (mapM decrypt' =<< lookupGlobalGetParams GetRecipient))
+    <*> (filter (notNull . snd) <$> for crRecipients (\(grp,usrQry) -> (grp,) <$> E.select usrQry))
+  $logWarnS "COMM" ("Communication handlerwith (sugg:" <> tshow (length suggestedRecipients) <> ", chosen:" <> tshow (length chosenRecipients) <> ")")

+  MsgRenderer mr <- getMsgRenderer
+  mbCurrentRoute <- getCurrentRoute
+  globalCC <- getsYesod $ view _appCommunicationGlobalCC
+  
  let
-    lookupUser :: UserId -> User
-    lookupUser lId
-      = entityVal . unsafeHead . filter ((== lId) . entityKey) $ concatMap (view _2) suggestedRecipients ++ chosenRecipients
-
-  let chosenRecipients' = Map.fromList $
-        [ ( (BoundedPosition $ RecipientGroup g, pos)
-          , (Right recp, recp `elem` map entityKey chosenRecipients)
+    lookupUser :: UserId -> (UserDisplayName,UserSurname)
+    lookupUser =
+      let usrMap  = Map.fromList $ fmap (\u -> (entityKey u, entityVal u)) $ chosenRecipients ++ concatMap (view _2) suggestedRecipients
+          usrNames Nothing = ("???","???") -- this case only happens during runFormPost when POST Data is present and no form is display
+          usrNames (Just User{userDisplayName, userSurname}) = (userDisplayName, userSurname)
+      in usrNames . flip Map.lookup usrMap
+  
+    chosenRecipients' = Map.fromList $
+      [ ( (BoundedPosition $ RecipientGroup g, pos)
+        , (Right recp, recp `elem` map entityKey chosenRecipients)
+        )
+      | (g, recps) <- suggestedRecipients
+      , (pos, recp) <- zip [0..] $ map entityKey recps
+      ] ++
+      [ ( (BoundedPosition   RecipientCustom, pos)
+        , (recp, True)
+        )
+      | (pos, recp) <- zip [0..] 
+          ( mcons (Left <$> globalCC)
+            (Right <$> Set.toList (Set.fromList (map entityKey chosenRecipients) \\ Set.fromList (concatMap (map entityKey) $ view _2 <$> suggestedRecipients)))
          )
-        | (g, recps) <- suggestedRecipients
-        , (pos, recp) <- zip [0..] $ map entityKey recps
-        ] ++
-        [ ( (BoundedPosition   RecipientCustom, pos)
-          , (Right recp, True)
-          )
-        | (pos, recp) <- zip [0..] . Set.toList $ Set.fromList (map entityKey chosenRecipients) \\ Set.fromList (concatMap (map entityKey) $ view _2 <$> suggestedRecipients)
-        ]
-      activeCategories = map RecipientGroup (view _1 <$> suggestedRecipients) `snoc` RecipientCustom
+      ]
+    activeCategories = map RecipientGroup (view _1 <$> suggestedRecipients) `snoc` RecipientCustom

-  let recipientAForm :: AForm Handler (Set (Either UserEmail UserId))
-      recipientAForm = postProcess <$> massInputA MassInput{..} (fslI MsgCommRecipients & setTooltip MsgCommRecipientsTip) True (Just chosenRecipients')
-        where
-          miAdd pos@(BoundedPosition RecipientCustom, 0) dim@1 liveliness nudge submitView = guardOn (miAllowAdd pos dim liveliness) $ \csrf -> do
-            (addRes, addView) <- mpreq (multiUserField True Nothing) (fslpI MsgUtilEMail (mr MsgUtilEMail) & setTooltip MsgUtilMultiEmailFieldTip & addName (nudge "email")) Nothing
-            let
-              addRes' = addRes <&> \nEmails ((Map.elems &&& maybe 0 (succ . snd . fst) . Map.lookupMax) . Map.filterWithKey (\(BoundedPosition c, _) _ -> c == RecipientCustom) -> (oEmails, kStart)) -> FormSuccess . Map.fromList . zip (map (BoundedPosition RecipientCustom, ) [kStart..]) . Set.toList $ nEmails `Set.difference` Set.fromList oEmails
-            return (addRes', $(widgetFile "widgets/communication/recipientAdd"))
-          miAdd _ _ _ _ _ = Nothing
-          miCell _ (Left (CI.original -> email)) initRes nudge csrf = do
-            (tickRes, tickView) <- mpreq checkBoxField ("" & addName (nudge "tick")) $ initRes <|> Just True
-            return (tickRes, $(widgetFile "widgets/communication/recipientEmail"))
-          miCell _ (Right uid@(lookupUser -> User{..})) initRes nudge csrf = do
-            (tickRes, tickView) <- if
-              | fmap entityKey cUser == Just uid
-                -> mforced checkBoxField ("" & addName (nudge "tick"))   True
-              | otherwise
-                -> mpreq   checkBoxField ("" & addName (nudge "tick")) $ initRes <|> Just True
-            return (tickRes, $(widgetFile "widgets/communication/recipientName"))
-          miAllowAdd (BoundedPosition RecipientCustom, 0) 1 _ = True
-          miAllowAdd _ _ _ = False
-          miAddEmpty _ 0 _ = Set.singleton (BoundedPosition RecipientCustom, 0)
-          miAddEmpty _ _ _ = Set.empty
-          miButtonAction :: forall p . PathPiece p => p -> Maybe (SomeRoute UniWorX)
-          miButtonAction anchor = SomeRoute . (:#: anchor) <$> mbCurrentRoute
-          miLayout :: MapLiveliness (BoundedLiveliness RecipientCategory) ListLength
-                   -> Map (BoundedPosition RecipientCategory, ListPosition) (_, FormResult Bool)
-                   -> Map (BoundedPosition RecipientCategory, ListPosition) Widget
-                   -> Map (BoundedPosition RecipientCategory, ListPosition) (FieldView UniWorX)
-                   -> Map (Natural, (BoundedPosition RecipientCategory, ListPosition)) Widget
-                   -> Widget
-          miLayout liveliness cState cellWdgts _delButtons addWdgts = do
-            checkedIdentBase <- newIdent
-            let checkedCategories = Set.mapMonotonic (unBoundedPosition . fst) . Set.filter (\k' -> Map.foldrWithKey (\k (_, checkState) -> (||) $ k == k' && checkState /= FormSuccess False && (checkState /= FormMissing || maybe True snd (chosenRecipients' !? k))) False cState) $ Map.keysSet cState
-                checkedIdent c = checkedIdentBase <> "-" <> toPathPiece c
-                hasContent c = not (null $ categoryIndices c) || Map.member (1, (BoundedPosition c, 0)) addWdgts
-                categoryIndices c = Set.filter ((== c) . unBoundedPosition . fst) $ review liveCoords liveliness
-                rgTutorialParticipantsCaption :: CryptoUUIDTutorial -> Widget
-                rgTutorialParticipantsCaption cID = do
-                  tutId <- decrypt cID
-                  Tutorial{..} <- liftHandler . runDBRead $ get404 tutId
-                  i18n $ MsgRGTutorialParticipants tutorialName
-                rgExamRegisteredCaption :: CryptoUUIDExam -> Widget
-                rgExamRegisteredCaption cID = do
-                  eId <- decrypt cID
-                  Exam{..} <- liftHandler . runDBRead $ get404 eId
-                  i18n $ MsgRGExamRegistered examName
-                rgSheetSubmittorCaption :: CryptoUUIDSheet -> Widget
-                rgSheetSubmittorCaption cID = do
-                  sId <- decrypt cID
-                  Sheet{..} <- liftHandler . runDBRead $ get404 sId
-                  i18n $ MsgRGSheetSubmittor sheetName
-            $(widgetFile "widgets/communication/recipientLayout")
-          miDelete :: Map (BoundedPosition RecipientCategory, ListPosition) (Either UserEmail UserId) -> (BoundedPosition RecipientCategory, ListPosition) -> MaybeT (MForm Handler) (Map (BoundedPosition RecipientCategory, ListPosition) (BoundedPosition RecipientCategory, ListPosition))
-          -- miDelete liveliness@(MapLiveliness lMap) (BoundedPosition RecipientCustom, delPos) = mappend (Map.fromSet id . Set.filter (\(BoundedPosition c, _) -> c /= RecipientCustom) $ review liveCoords liveliness) . fmap (BoundedPosition RecipientCustom, ) . Map.mapKeysMonotonic (BoundedPosition RecipientCustom, ) <$> miDeleteList (lMap ! BoundedPosition RecipientCustom) delPos
-          miDelete _ _ = mzero
-          miIdent :: Text
-          miIdent = "recipients"
-          postProcess :: Map (BoundedPosition RecipientCategory, ListPosition) (Either UserEmail UserId, Bool) -> Set (Either UserEmail UserId)
-          postProcess = Set.fromList . map fst . filter snd . Map.elems
+    recipientAForm :: AForm Handler (Set (Either UserEmail UserId))
+    recipientAForm = postProcess <$> massInputA MassInput{..} (fslI MsgCommRecipients & setTooltip MsgCommRecipientsTip) True (Just chosenRecipients')
+      where
+        miAdd pos@(BoundedPosition RecipientCustom, 0) dim@1 liveliness nudge submitView = guardOn (miAllowAdd pos dim liveliness) $ \csrf -> do
+          (addRes, addView) <- mpreq (multiUserField True Nothing) (fslpI MsgUtilEMail (mr MsgUtilEMail) & setTooltip MsgUtilMultiEmailFieldTip & addName (nudge "email")) Nothing
+          let
+            addRes' = addRes <&> \nEmails ((Map.elems &&& maybe 0 (succ . snd . fst) . Map.lookupMax) . Map.filterWithKey (\(BoundedPosition c, _) _ -> c == RecipientCustom) -> (oEmails, kStart)) -> FormSuccess . Map.fromList . zip (map (BoundedPosition RecipientCustom, ) [kStart..]) . Set.toList $ nEmails `Set.difference` Set.fromList oEmails
+          return (addRes', $(widgetFile "widgets/communication/recipientAdd"))
+        miAdd _ _ _ _ _ = Nothing
+        miCell _ (Left (CI.original -> email)) initRes nudge csrf = do
+          (tickRes, tickView) <- mpreq checkBoxField ("" & addName (nudge "tick")) $ initRes <|> Just True
+          return (tickRes, $(widgetFile "widgets/communication/recipientEmail"))
+        miCell _ (Right uid@(lookupUser -> (userDisplayName, userSurname))) initRes nudge csrf = do
+          (tickRes, tickView) <- if
+            | fmap entityKey cUser == Just uid
+              -> mforced checkBoxField ("" & addName (nudge "tick"))   True
+            | otherwise
+              -> mpreq   checkBoxField ("" & addName (nudge "tick")) $ initRes <|> Just True
+          return (tickRes, $(widgetFile "widgets/communication/recipientName"))
+        miAllowAdd (BoundedPosition RecipientCustom, 0) 1 _ = True
+        miAllowAdd _ _ _ = False
+        miAddEmpty _ 0 _ = Set.singleton (BoundedPosition RecipientCustom, 0)
+        miAddEmpty _ _ _ = Set.empty
+        miButtonAction :: forall p . PathPiece p => p -> Maybe (SomeRoute UniWorX)
+        miButtonAction anchor = SomeRoute . (:#: anchor) <$> mbCurrentRoute
+        miLayout :: MapLiveliness (BoundedLiveliness RecipientCategory) ListLength
+                  -> Map (BoundedPosition RecipientCategory, ListPosition) (_, FormResult Bool)
+                  -> Map (BoundedPosition RecipientCategory, ListPosition) Widget
+                  -> Map (BoundedPosition RecipientCategory, ListPosition) (FieldView UniWorX)
+                  -> Map (Natural, (BoundedPosition RecipientCategory, ListPosition)) Widget
+                  -> Widget
+        miLayout liveliness cState cellWdgts _delButtons addWdgts = do
+          checkedIdentBase <- newIdent
+          let checkedCategories = Set.mapMonotonic (unBoundedPosition . fst) . Set.filter (\k' -> Map.foldrWithKey (\k (_, checkState) -> (||) $ k == k' && checkState /= FormSuccess False && (checkState /= FormMissing || maybe True snd (chosenRecipients' !? k))) False cState) $ Map.keysSet cState
+              checkedIdent c = checkedIdentBase <> "-" <> toPathPiece c
+              hasContent c = not (null $ categoryIndices c) || Map.member (1, (BoundedPosition c, 0)) addWdgts
+              categoryIndices c = Set.filter ((== c) . unBoundedPosition . fst) $ review liveCoords liveliness
+              rgTutorialParticipantsCaption :: CryptoUUIDTutorial -> Widget
+              rgTutorialParticipantsCaption cID = do
+                tutId <- decrypt cID
+                Tutorial{..} <- liftHandler . runDBRead $ get404 tutId
+                i18n $ MsgRGTutorialParticipants tutorialName
+              rgExamRegisteredCaption :: CryptoUUIDExam -> Widget
+              rgExamRegisteredCaption cID = do
+                eId <- decrypt cID
+                Exam{..} <- liftHandler . runDBRead $ get404 eId
+                i18n $ MsgRGExamRegistered examName
+              rgSheetSubmittorCaption :: CryptoUUIDSheet -> Widget
+              rgSheetSubmittorCaption cID = do
+                sId <- decrypt cID
+                Sheet{..} <- liftHandler . runDBRead $ get404 sId
+                i18n $ MsgRGSheetSubmittor sheetName
+          $(widgetFile "widgets/communication/recipientLayout")
+        miDelete :: Map (BoundedPosition RecipientCategory, ListPosition) (Either UserEmail UserId) -> (BoundedPosition RecipientCategory, ListPosition) -> MaybeT (MForm Handler) (Map (BoundedPosition RecipientCategory, ListPosition) (BoundedPosition RecipientCategory, ListPosition))
+        -- miDelete liveliness@(MapLiveliness lMap) (BoundedPosition RecipientCustom, delPos) = mappend (Map.fromSet id . Set.filter (\(BoundedPosition c, _) -> c /= RecipientCustom) $ review liveCoords liveliness) . fmap (BoundedPosition RecipientCustom, ) . Map.mapKeysMonotonic (BoundedPosition RecipientCustom, ) <$> miDeleteList (lMap ! BoundedPosition RecipientCustom) delPos
+        miDelete _ _ = mzero
+        miIdent :: Text
+        miIdent = "recipients"
+        postProcess :: Map (BoundedPosition RecipientCategory, ListPosition) (Either UserEmail UserId, Bool) -> Set (Either UserEmail UserId)
+        postProcess = Set.fromList . map fst . filter snd . Map.elems

  recipientsListMsg <- messageI Info MsgCommRecipientsList
-
+  
  attachmentsMaxSize <- getsYesod $ view _appCommunicationAttachmentsMaxSize
  let attachmentField = genericFileField $ return FileField
        { fieldIdent = Nothing
@ -246,14 +254,16 @@ commR CommunicationRoute{..} =  do
        , fieldMaxFileSize = Nothing, fieldMaxCumulativeSize = attachmentsMaxSize
        , fieldAllEmptyOk = True
        }
+
  ((commRes,commWdgt),commEncoding) <- runFormPost . identifyForm FIDCommunication . withButtonForm' universeF . renderAForm FormStandard $ Communication
    <$> recipientAForm
    <*  aformMessage recipientsListMsg
    <*> ( CommunicationContent
            <$> aopt textField (fslI MsgCommSubject & addAttr "uw-enter-as-tab" "") Nothing
            <*> (markupOutput <$> areq htmlField (fslI MsgCommBody) Nothing)
-            <*> fmap fold (aopt (convertFieldM (runConduit . (.| C.foldMap Set.singleton)) yieldMany attachmentField) (fslI MsgCommAttachments & setTooltip MsgCommAttachmentsTip) Nothing)
-        )
+            <*> fmap fold (aopt (convertFieldM (runConduit . (.| C.foldMap Set.singleton)) yieldMany attachmentField) 
+                              (fslI MsgCommAttachments & setTooltip MsgCommAttachmentsTip) Nothing)
+        )    
  formResult commRes $ \case
    (comm, BtnCommunicationSend) -> do
      runDBJobs . runConduit $ transPipe (mapReaderT lift) (crJobs comm) .| sinkDBJobs
@ -262,15 +272,15 @@ commR CommunicationRoute{..} =  do
    (comm, BtnCommunicationTest) -> do
      runDBJobs . runConduit $ transPipe (mapReaderT lift) (crTestJobs comm) .| sinkDBJobs
      addMessageI Info MsgCommTestSuccess
-
+  
  let formWdgt = wrapForm commWdgt def
        { formMethod   = POST
        , formAction   = SomeRoute <$> mbCurrentRoute
        , formEncoding = commEncoding
        , formSubmit   = FormNoSubmit
-        }
+        }  
  siteLayoutMsg crHeading $ do
-    setTitleI crHeading
+    setTitleI crTitle
    let commTestTip = $(i18nWidgetFile "comm-test-tip")
    [whamlet|
       $newline never
--- a/src/Handler/Utils/Concurrent.hs
+++ b/src/Handler/Utils/Concurrent.hs
@ -0,0 +1,38 @@
+-- SPDX-FileCopyrightText: 2024 Steffen Jost <s.jost@fraport.de>
+--
+-- SPDX-License-Identifier: AGPL-3.0-or-later
+
+module Handler.Utils.Concurrent
+  ( module Handler.Utils.Concurrent  
+  ) where
+
+-- NOTE: use `retrySTM` and `checkSTM` instead of `retry` or `check`
+
+import Import
+import UnliftIO.Concurrent as Handler.Utils.Concurrent hiding (yield)
+
+
+
+-- | Run a handler action until it finishes or if it exceeds a given number of microseconds via `registerDelay`
+timeoutHandler :: Int -> HandlerFor site a -> HandlerFor site (Maybe a)
+timeoutHandler maxWait act = do
+    innerAct <- handlerToIO
+    (hresult, tid) <- liftIO $ do
+      hresult <- newTVarIO Nothing
+      tid <- forkIO $ do
+        res <- innerAct act
+        atomically $ writeTVar hresult $ Just res
+      return (hresult, tid)
+    res <- liftIO $ do
+      flag <- registerDelay maxWait
+      atomically $ do
+        out <- readTVar flag
+        res <- readTVar hresult
+        checkSTM $ out || isJust res
+        return res
+    case res of
+      Nothing -> liftIO $ do
+        killThread tid
+        readTVarIO hresult     -- read once more after kill to ensure that any result is noticed
+      _ -> return res
+
--- a/src/Handler/Utils/DateTime.hs
+++ b/src/Handler/Utils/DateTime.hs
@ -93,8 +93,8 @@ toMorning = toTimeOfDay 6 0 0
 toTimeOfDay :: Int -> Int -> Pico -> Day -> UTCTime
 toTimeOfDay todHour todMin todSec d = localTimeToUTCTZ appTZ $ LocalTime d TimeOfDay{..}

-addHours :: Integer -> UTCTime -> UTCTime
-addHours = addUTCTime . secondsToNominalDiffTime . fromInteger . (* 3600)
+addHours :: Integral n => n -> UTCTime -> UTCTime
+addHours = addUTCTime . secondsToNominalDiffTime . fromIntegral . (* 3600)

 instance HasLocalTime UTCTime where
  toLocalTime = utcToLocalTime
--- a/src/Handler/Utils/Form.hs
+++ b/src/Handler/Utils/Form.hs
@ -1498,7 +1498,20 @@ boolField mkNone = radioGroupField mkNone $ do
      _other -> Nothing
    }

-
+-- | like `boolField` but with custom labels
+boolFieldCustom :: (MonadHandler m, HandlerSite m ~ UniWorX)
+  => SomeMessage UniWorX -> SomeMessage UniWorX -> Maybe (SomeMessage UniWorX) -> Field m Bool
+boolFieldCustom mkTrue mkFalse mkNone  = radioGroupField mkNone $ do
+  mr <- getMessageRender
+  return OptionList
+    { olOptions = [ Option (mr mkFalse) False "false"
+                  , Option (mr mkTrue)  True  "true"
+                  ]
+    , olReadExternal = \case
+      "false" -> Just False
+      "true"  -> Just True
+      _other  -> Nothing
+    }

 sectionedFuncForm  :: forall f k v m sec.
                      ( TraversableWithIndex k f
--- a/src/Handler/Utils/LMS.hs
+++ b/src/Handler/Utils/LMS.hs
@ -19,8 +19,6 @@ module Handler.Utils.LMS
  , csvLmsLock
  , csvLmsResult
  , csvFilenameLmsUser
-  , csvFilenameLmsUserlist
-  , csvFilenameLmsResult
  , csvFilenameLmsReport
  , lmsDeletionDate
  , lmsUserToDelete     , _lmsUserToDelete      , lmsUserToDeleteExpr
@ -109,14 +107,6 @@ csvLmsResult = fromString "result" -- LmsStatus: 0=Versuche aufgebraucht, 1=Offe
 csvFilenameLmsUser :: MonadHandler m => QualificationShorthand -> m Text
 csvFilenameLmsUser = makeLmsFilename "user"

-- | Filename for Userlist transmission, contains current datestamp as agreed in LMS interface V2
-csvFilenameLmsUserlist :: MonadHandler m => QualificationShorthand -> m Text
-csvFilenameLmsUserlist = makeLmsFilename "userliste"
-
-- | Filename for Result transmission, contains current datestamp as agreed in LMS interface V1
-csvFilenameLmsResult :: MonadHandler m => QualificationShorthand -> m Text
-csvFilenameLmsResult = makeLmsFilename "ergebnisse"
-
 -- | Filename for Report transmission, combining former Userlist and Result as agreed in new LMS interface V2
 csvFilenameLmsReport :: MonadHandler m => QualificationShorthand -> m Text
 csvFilenameLmsReport = makeLmsFilename "report"
--- a/src/Handler/Utils/Mail.hs
+++ b/src/Handler/Utils/Mail.hs
@ -4,7 +4,8 @@

 module Handler.Utils.Mail
  ( addRecipientsDB
-  , userAddress, userAddressFrom
+  , userAddress, userAddress'
+  , userAddressFrom
  , userMailT, userMailTdirect
  , addFileDB
  , addHtmlMarkdownAlternatives
@ -52,6 +53,11 @@ userAddress :: User -> Address
 userAddress User{userEmail, userDisplayEmail, userDisplayName}
  = Address (Just userDisplayName) $ CI.original $ pickValidEmail userDisplayEmail userEmail

+userAddress' :: UserEmail -> UserEmail -> UserDisplayName -> Address
+-- Like userAddress', but does not require a complete entity
+userAddress' userEmail  userDisplayEmail userDisplayName
+  = Address (Just userDisplayName) $ CI.original $ pickValidEmail userDisplayEmail userEmail
+
 userAddressError :: (MonadHandler m, HandlerSite m ~ UniWorX) => User -> m (Bool, Address)
 userAddressError User{userEmail, userDisplayEmail, userDisplayName} 
  | Just okEmail <- pickValidEmail' userDisplayEmail userEmail = pure (True, Address (Just userDisplayName) $ CI.original okEmail)
--- a/src/Handler/Utils/StudyFeatures.hs
+++ b/src/Handler/Utils/StudyFeatures.hs
@ -137,7 +137,7 @@ cacheStudyFeatureRelevance fFilter = do
        E.on E.true
        E.where_ $ fFilter studyFeatures
        E.where_ $ isRelevantStudyFeature (E.val now) TermId term studyFeatures
-        return $ RelevantStudyFeatures E.<# (term E.^. TermId) E.<&> (studyFeatures E.^. StudyFeaturesId)
+        E.distinct $ return $ RelevantStudyFeatures E.<# (term E.^. TermId) E.<&> (studyFeatures E.^. StudyFeaturesId)
    )
    ( \_current _excluded -> [] )

--- a/src/Handler/Utils/Table/Cells.hs
+++ b/src/Handler/Utils/Table/Cells.hs
@ -158,8 +158,8 @@ modalCell content = cell $ modal (toWidget $ hasComment True) (Right $ toWidget
 -- | Show Text if it is small, create modal otherwise
 modalCellLarge :: (IsDBTable m a, ToWidget UniWorX t, MonoFoldable t, Element t ~ Char) => t -> DBCell m a
 modalCellLarge content 
-  | length content > 32 = modalCell content
-  | otherwise           = textCell  content
+  | length content > 32 = modalCell  content
+  | otherwise           = stringCell content

 markupCellLargeModal :: IsDBTable m a => StoredMarkup -> DBCell m a
 markupCellLargeModal mup
@ -218,7 +218,7 @@ cellHasUserLink toLink user =
      nWdgt = nameWidget (userEntity ^. _entityVal . _userDisplayName) (userEntity ^.  _entityVal . _userSurname)
  in  anchorCellM (toLink <$> encrypt uid) nWdgt

-- | like `cellHasUserLink` but opens the user in a modal instead
+-- | like `cellHasUserLink` but opens the user in a modal instead; link is only displayed if the user has sufficient rights
 cellHasUserModal :: (IsDBTable m c, HasEntity u User) => (CryptoUUIDUser -> Route UniWorX) -> u -> DBCell m c
 cellHasUserModal toLink user = 
  let userEntity = user ^. hasEntityUser
@ -226,17 +226,61 @@ cellHasUserModal toLink user =
      nWdgt = nameWidget (userEntity ^. _entityVal . _userDisplayName) (userEntity ^.  _entityVal . _userSurname)
      lWdgt = do 
                uuid <- liftHandler $ encrypt uid
-                modal nWdgt (Left $ SomeRoute $ toLink uuid)
+                modalAccess nWdgt nWdgt False $ toLink uuid                
+  in cell lWdgt
+
+-- | like `cellHasUserModal` but but always display link without prior access rights checks
+cellHasUserModalAdmin :: (IsDBTable m c, HasEntity u User) => (CryptoUUIDUser -> Route UniWorX) -> u -> DBCell m c
+cellHasUserModalAdmin toLink user = 
+  let userEntity = user ^. hasEntityUser
+      uid   = userEntity ^. _entityKey
+      nWdgt = nameWidget (userEntity ^. _entityVal . _userDisplayName) (userEntity ^.  _entityVal . _userSurname)
+      lWdgt = do 
+                uuid <- liftHandler $ encrypt uid
+                modal nWdgt $ Left $ SomeRoute $ toLink uuid                
+  in cell lWdgt
+
+-- | like `cellHasUserModal` but with fixed route and showing an edit icon instead; link is only displayed if the user has sufficient rights
+cellEditUserModal :: (IsDBTable m c, HasEntity u User) => u -> DBCell m c
+cellEditUserModal user = 
+  let userEntity = user ^. hasEntityUser
+      uid   = userEntity ^. _entityKey
+      nWdgt = toWidget $ icon IconUserEdit      
+      lWdgt = do 
+                uuid <- liftHandler $ encrypt uid
+                modalAccess mempty nWdgt True $ ForProfileR uuid
+  in cell lWdgt
+
+-- | like `cellEditUserModal` but always displays the link without prior access rights checks
+cellEditUserModalAdmin :: (IsDBTable m c, HasEntity u User) => u -> DBCell m c
+cellEditUserModalAdmin user = 
+  let userEntity = user ^. hasEntityUser
+      uid   = userEntity ^. _entityKey
+      nWdgt = toWidget $ icon IconUserEdit      
+      lWdgt = do 
+                uuid <- liftHandler $ encrypt uid
+                modal nWdgt (Left $ SomeRoute $ ForProfileR uuid)
  in cell lWdgt

 cellHasMatrikelnummer :: (IsDBTable m a, HasUser u) => u -> DBCell m a
 cellHasMatrikelnummer = maybe mempty textCell . view _userMatrikelnummer

-cellHasMatrikelnummerLinked :: (IsDBTable m a, HasEntity u User) => u -> DBCell m a
-cellHasMatrikelnummerLinked usr 
+cellHasMatrikelnummerLinked :: (IsDBTable m a, HasEntity u User) => Bool -> u -> DBCell m a
+cellHasMatrikelnummerLinked isAdmin usr 
    | Just matNr <- usrEntity ^. _userMatrikelnummer = cell $ do 
        uuid <- liftHandler $ encrypt $ usrEntity ^. _entityKey
-        modal (text2widget matNr) (Left $ SomeRoute $ AdminAvsUserR uuid)
+        if isAdmin
+          then modal (text2widget matNr) (Left $ SomeRoute $ AdminAvsUserR uuid)
+          else modalAccess mempty (text2widget matNr) False (AdminAvsUserR uuid)
+    | otherwise = mempty
+  where 
+    usrEntity = usr ^. hasEntityUser
+
+cellHasMatrikelnummerLinkedAdmin :: (IsDBTable m a, HasEntity u User) => u -> DBCell m a
+cellHasMatrikelnummerLinkedAdmin usr 
+    | Just matNr <- usrEntity ^. _userMatrikelnummer = cell $ do 
+        uuid <- liftHandler $ encrypt $ usrEntity ^. _entityKey
+        modal (text2widget matNr) (Left $ SomeRoute $ AdminAvsUserR uuid)        
    | otherwise = mempty
  where 
    usrEntity = usr ^. hasEntityUser
@ -314,7 +358,7 @@ courseCell Course{..} = anchorCell link name `mappend` desc
 companyCell :: IsDBTable m a => CompanyShorthand -> CompanyName -> Bool -> DBCell m a
 companyCell cid cname isSupervisor = anchorCell link name
  where
-    link = FirmR cid
+    link = FirmUsersR cid
    corg = ciOriginal cname
    name 
      | isSupervisor = text2markup (corg <> " ") <> icon IconSupervisor
@ -354,7 +398,7 @@ qualificationValidUntilCell' mbToLink d qb qu = cell $ case mbToLink of
    Nothing     -> headWgt <> dateWgt
    Just toLink -> do 
      uuid <- liftHandler $ encrypt $ qu ^. hasQualificationUser . _qualificationUserUser
-      let modalWgt = modal dateWgt (Left $ SomeRoute $ toLink uuid)
+      let modalWgt = modalAccess dateWgt dateWgt False $ toLink uuid
      headWgt <> modalWgt
  where       
    dateWgt = formatTimeW SelFormatDate (qu ^. hasQualificationUser . _qualificationUserValidUntil)
@ -375,7 +419,8 @@ qualificationValidReasonCell' mbToLink showReason d qb qu = ic <> foldMap blc qb
    dc tstamp 
      | Just toLink <- mbToLink = cell $ do
          uuid <- liftHandler $ encrypt uid
-          modal (formatTimeW SelFormatDate tstamp) (Left $ SomeRoute $ toLink uuid)        
+          let dWgt = formatTimeW SelFormatDate tstamp
+          modalAccess dWgt dWgt False $ toLink uuid
        --  anchorCellM (toLink <$> encrypt uid) 
      | otherwise = dateCell tstamp
    uid = qu ^. hasQualificationUser . _qualificationUserUser
@ -393,7 +438,8 @@ qualificationValidReasonCell'' mbToLink showReason d qb qu extValid = ic <> icEr
    dc tstamp 
      | Just toLink <- mbToLink = cell $ do
          uuid <- liftHandler $ encrypt uid
-          modal (formatTimeW SelFormatDate tstamp) (Left $ SomeRoute $ toLink uuid)        
+          let dWgt = formatTimeW SelFormatDate tstamp
+          modalAccess dWgt dWgt False $ toLink uuid
        --  anchorCellM (toLink <$> encrypt uid) 
      | otherwise = dateCell tstamp
    uid = qu ^. hasQualificationUser . _qualificationUserUser
@ -453,7 +499,14 @@ avsPersonNoCell = numCell . view _userAvsNoPerson
 avsPersonNoLinkedCell :: (IsDBTable m c, HasUserAvs a) => a -> DBCell m c
 avsPersonNoLinkedCell a = cell $ do
  uuid <- liftHandler $ encrypt $ a ^. _userAvsUser
-  modal (toWgt $ toMessage $ a ^. _userAvsNoPerson) (Left $ SomeRoute $ AdminAvsUserR uuid)
+  let nWgt = toWgt $ toMessage $ a ^. _userAvsNoPerson
+  modalAccess nWgt nWgt False $ AdminAvsUserR uuid
+
+avsPersonNoLinkedCellAdmin :: (IsDBTable m c, HasUserAvs a) => a -> DBCell m c
+avsPersonNoLinkedCellAdmin a = cell $ do
+  uuid <- liftHandler $ encrypt $ a ^. _userAvsUser
+  let nWgt = toWgt $ toMessage $ a ^. _userAvsNoPerson
+  modal nWgt (Left $ SomeRoute $ AdminAvsUserR uuid)

 avsPersonCardCell :: (IsDBTable m c) => Set AvsDataPersonCard -> DBCell m c
 avsPersonCardCell cards = wgtCell 
--- a/src/Handler/Utils/Table/Columns.hs
+++ b/src/Handler/Utils/Table/Columns.hs
@ -336,6 +336,10 @@ colUserNameLinkHdr colHeader userLink = sortable (Just "user-name") (i18nCell co
 colUserNameModalHdr :: (IsDBTable m c, HasEntity a User, RenderMessage UniWorX msg) => msg -> (CryptoUUIDUser -> Route UniWorX) -> Colonnade Sortable a (DBCell m c)
 colUserNameModalHdr colHeader userLink = sortable (Just "user-name") (i18nCell colHeader) (cellHasUserModal userLink)

+-- | like `colUserNameModalHdr` but without checking access rights before displaying the link (no risk, but non-admins may see links that are unusable for them)
+colUserNameModalHdrAdmin :: (IsDBTable m c, HasEntity a User, RenderMessage UniWorX msg) => msg -> (CryptoUUIDUser -> Route UniWorX) -> Colonnade Sortable a (DBCell m c)
+colUserNameModalHdrAdmin colHeader userLink = sortable (Just "user-name") (i18nCell colHeader) (cellHasUserModalAdmin userLink)
+
 -- | Intended to work with @nameWidget@, showing highlighter Surname within Displayname
 sortUserName :: IsString a => (t -> E.SqlExpr (Entity User)) -> (a, SortColumn t r')
 sortUserName = ("user-name",) . sortUserNameBare
@ -442,8 +446,8 @@ fltrUserMatriculationUI :: DBFilterUI
 fltrUserMatriculationUI mPrev = prismAForm (singletonFilter "user-matriculation") mPrev $ aopt textField (fslI MsgTableUserMatriculation)


-colUserMatriclenr ::  (IsDBTable m c, HasEntity a User) => Colonnade Sortable a (DBCell m c)
-colUserMatriclenr = sortable (Just "user-matriclenumber") (i18nCell MsgTableMatrikelNr) cellHasMatrikelnummerLinked
+colUserMatriclenr ::  (IsDBTable m c, HasEntity a User) => Bool -> Colonnade Sortable a (DBCell m c)
+colUserMatriclenr isAdmin = sortable (Just "user-matriclenumber") (i18nCell MsgTableMatrikelNr) $ cellHasMatrikelnummerLinked isAdmin

 sortUserMatriclenr :: IsString d => (t -> E.SqlExpr (Entity User)) -> (d, SortColumn t r')
 sortUserMatriclenr queryUser = ("user-matriclenumber", SortColumn $ queryUser >>> (E.^. UserMatrikelnummer))
--- a/src/Handler/Utils/Table/Pagination.hs
+++ b/src/Handler/Utils/Table/Pagination.hs
@ -37,7 +37,7 @@ module Handler.Utils.Table.Pagination
  , dbtProjFilteredPostId, dbtProjFilteredPostSimple
  , noCsvEncode, simpleCsvEncode, simpleCsvEncodeM
  , withCsvExtraRep
-  , singletonFilter
+  , singletonFilter, multiFilter
  , DBParams(..)
  , cellAttrs, cellContents
  , addCellClass
@ -647,6 +647,13 @@ singletonFilter key = prism' fromInner (fmap Just . fromOuter)
      fromInner = maybe Map.empty $ Map.singleton key . pure
      fromOuter = Map.lookup key >=> listToMaybe

+multiFilter :: Ord k => k -> Prism' (Map k [v]) (Maybe [v])
+-- ^ for use with @prismAForm@
+multiFilter key = prism' fromInner fromOuter
+    where
+      -- prism' :: (Maybe [v] -> (Map k [v])) -> ((Map k [v]) -> Maybe (Maybe [v])) -> Prism' (Map k [v]) (Maybe [v])
+      fromInner = maybe Map.empty (Map.singleton key)
+      fromOuter = Just . Map.lookup key
  
 data DBTCsvEncode r' k' csv = forall exportData filename sheetName.
  ( ToNamedRecord csv, CsvColumnsExplained csv
@ -762,7 +769,7 @@ dbtProjFilteredPostId :: forall fs r r'.
                      => ReaderT (DBTProjCtx fs r) (MaybeT (ReaderT SqlBackend (HandlerFor UniWorX))) r'
 dbtProjFilteredPostId = withFilteredPost dbtProjId'

-- | Kombination aus `dbtProjFilteredPostId` und `dbtProjSimple`, d.h. Ergeniszeilen in Haskell transformieren und filtern
+-- | Kombination aus `dbtProjFilteredPostId` und `dbtProjSimple`, d.h. Ergebniszeilen in Haskell transformieren und filtern
 dbtProjFilteredPostSimple :: forall fs r r' r''.
                             ( fs ~ DBTProjFilterPost r', DBRow r'' ~ r' )
                          => (r -> DB r'')
@ -1704,9 +1711,11 @@ cell wgt = dbCell # ([], return wgt)
 wgtCell :: (IsDBTable m a, ToWidget UniWorX wgt) => wgt -> DBCell m a
 wgtCell = cell . toWidget

-textCell, stringCell :: (MonoFoldable msg, Element msg ~ Char, IsDBTable m a) => msg -> DBCell m a
-textCell = cell . toWidget . (pack :: String -> Text) . otoList
-stringCell = textCell
+textCell :: (IsDBTable m a) => Text -> DBCell m a
+textCell = wgtCell
+
+stringCell :: (MonoFoldable msg, Element msg ~ Char, IsDBTable m a) => msg -> DBCell m a
+stringCell = wgtCell . (pack :: String -> Text) . otoList

 i18nCell :: (RenderMessage UniWorX msg, IsDBTable m a) => msg -> DBCell m a
 i18nCell msg = cell $ do
@ -1716,6 +1725,7 @@ i18nCell msg = cell $ do
 cellTooltip :: (RenderMessage UniWorX msg, IsDBTable m a) => msg -> DBCell m a -> DBCell m a
 cellTooltip = cellTooltipIcon Nothing

+-- note that you can also use `cellTooltip` with `SomeMessages`, which uses ' ' for separation only
 cellTooltips :: (RenderMessage UniWorX msg, IsDBTable m a) => [msg] -> DBCell m a -> DBCell m a
 cellTooltips msgs = cellTooltipWgt Nothing [whamlet|
  $forall msg <- msgs
--- a/src/Handler/Utils/Users.hs
+++ b/src/Handler/Utils/Users.hs
@ -1,7 +1,9 @@
-- SPDX-FileCopyrightText: 2022 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Sarah Vaupel <sarah.vaupel@ifi.lmu.de>,Sarah Vaupel <vaupel.sarah@campus.lmu.de>,Steffen Jost <jost@tcs.ifi.lmu.de>
+-- SPDX-FileCopyrightText: 2022-23 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Sarah Vaupel <sarah.vaupel@ifi.lmu.de>,Sarah Vaupel <vaupel.sarah@campus.lmu.de>,Steffen Jost <jost@tcs.ifi.lmu.de>,Steffen Jost <s.jost@fraport.de>
 --
 -- SPDX-License-Identifier: AGPL-3.0-or-later

+{-# LANGUAGE TypeApplications #-}
+
 -- NOTE: Also see Handler.Utils.Profile for similar utilities
 module Handler.Utils.Users
  ( computeUserAuthenticationDigest
@ -17,7 +19,7 @@ module Handler.Utils.Users
  , getEmailAddress
  , getPostalAddress, getPostalPreferenceAndAddress
  , abbrvName
-  , getReceivers
+  , getReceivers, getReceiversFor
  , getSupervisees
  ) where

@ -38,7 +40,9 @@ import qualified Data.Set as Set
 -- import qualified Data.List as List
 import qualified Data.CaseInsensitive as CI

-import qualified Database.Esqueleto.Legacy as E
+import           Database.Esqueleto.Experimental ((:&)(..))
+import qualified Database.Esqueleto.Experimental as E -- needs TypeApplications Lang-Pragma
+import qualified Database.Esqueleto.Legacy as EL (on,from)
 import qualified Database.Esqueleto.PostgreSQL as E
 import qualified Database.Esqueleto.Utils as E

@ -111,6 +115,14 @@ getReceivers uid = do
        then directResult
        else return (underling, receivers, uid `elem` (entityKey <$> receivers))

+-- | For user with mailTdirect, since this query will also return supervisors that have reroute supervisors themselves, who would then receive multiple duplicates
+getReceiversFor :: (MonoFoldable mono, UserId ~ Element mono) => mono -> DB [UserId]
+getReceiversFor uids = (E.unValue <<$>>) $ E.select $ E.distinct $ do
+  usr :& spr <- E.from $ E.table @User `E.leftJoin` E.table @UserSupervisor
+    `E.on` (\(usr :& spr) -> usr E.^. UserId E.=?. spr E.?. UserSupervisorUser E.&&. E.isTrue (spr E.?. UserSupervisorRerouteNotifications))
+  E.where_ $ usr E.^. UserId `E.in_` E.vals uids
+  return $ E.coalesceDefault [spr E.?. UserSupervisorSupervisor] $ usr E.^. UserId
+
 -- | return underlings for currently logged in user
 getSupervisees :: DB (Set UserId)
 getSupervisees = do 
@ -177,7 +189,7 @@ guessUser (((Set.toList . toNullable) <$>) . Set.toList . dnfTerms -> criteria)

    containsAsSet x y = E.and . map (\y' -> x `E.hasInfix` E.val y') $ asWords y

-    toSql user pl = bool id E.not_ (is _PLNegated pl) $ case pl ^. _plVar of
+    toSql user pl = bool id E.not__ (is _PLNegated pl) $ case pl ^. _plVar of
      GuessUserMatrikelnummer         userMatriculation' -> user E.^. UserMatrikelnummer  E.==.          E.val (Just userMatriculation')
      GuessUserEduPersonPrincipalName userEPPN'          -> user E.^. UserLdapPrimaryKey  E.==.          E.val (Just userEPPN')
      GuessUserDisplayName            userDisplayName'   -> user E.^. UserDisplayName    `containsAsSet` userDisplayName'
@ -185,7 +197,7 @@ guessUser (((Set.toList . toNullable) <$>) . Set.toList . dnfTerms -> criteria)
      GuessUserFirstName              userFirstName'     -> user E.^. UserFirstName      `containsAsSet` userFirstName'

    go didLdap = do
-      let retrieveUsers = E.select . E.from $ \user -> do
+      let retrieveUsers = E.select . EL.from $ \user -> do
            E.where_ . E.or $ map (E.and . map (toSql user)) criteria
            when (is _Just mQueryLimit) $ (E.limit . fromJust) mQueryLimit
            return user
@ -307,7 +319,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueCourseFavourite
-    (E.from $ \courseFavourite -> do
+    (EL.from $ \courseFavourite -> do
        E.where_ $ courseFavourite E.^. CourseFavouriteUser E.==. E.val oldUserId
        return $ CourseFavourite
          E.<#  E.val newUserId
@ -320,7 +332,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueCourseNoFavourite
-    (E.from $ \courseNoFavourite -> do
+    (EL.from $ \courseNoFavourite -> do
        E.where_ $ courseNoFavourite E.^. CourseNoFavouriteUser E.==. E.val oldUserId
        return $ CourseNoFavourite
          E.<#  E.val newUserId
@ -331,7 +343,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueExamOfficeField
-    (E.from $ \examOfficeField -> do
+    (EL.from $ \examOfficeField -> do
        E.where_ $ examOfficeField E.^. ExamOfficeFieldOffice E.==. E.val oldUserId
        return $ ExamOfficeField
          E.<#  E.val newUserId
@ -343,7 +355,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueExamOfficeUser
-    (E.from $ \examOfficeUser -> do
+    (EL.from $ \examOfficeUser -> do
        E.where_ $ examOfficeUser E.^. ExamOfficeUserOffice E.==. E.val oldUserId
        return $ ExamOfficeUser
          E.<#  E.val newUserId
@ -353,7 +365,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
  deleteWhere [ ExamOfficeUserOffice ==. oldUserId ]
  E.insertSelectWithConflict
    UniqueExamOfficeUser
-    (E.from $ \examOfficeUser -> do
+    (EL.from $ \examOfficeUser -> do
        E.where_ $ examOfficeUser E.^. ExamOfficeUserUser E.==. E.val oldUserId
        return $ ExamOfficeUser
          E.<#  (examOfficeUser E.^. ExamOfficeUserOffice)
@ -362,7 +374,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
    (\_current _excluded -> [])
  deleteWhere [ ExamOfficeUserUser ==. oldUserId ]

-  E.insertSelect . E.from $ \examOfficeResultSynced -> do
+  E.insertSelect . EL.from $ \examOfficeResultSynced -> do
    E.where_ $ examOfficeResultSynced E.^. ExamOfficeResultSyncedOffice E.==. E.val oldUserId
    return $ ExamOfficeResultSynced
          E.<#  (examOfficeResultSynced E.^. ExamOfficeResultSyncedSchool)
@ -371,7 +383,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
          E.<&> (examOfficeResultSynced E.^. ExamOfficeResultSyncedTime)
  deleteWhere [ ExamOfficeResultSyncedOffice ==. oldUserId ]

-  E.insertSelect . E.from $ \examOfficeExternalResultSynced -> do
+  E.insertSelect . EL.from $ \examOfficeExternalResultSynced -> do
    E.where_ $ examOfficeExternalResultSynced E.^. ExamOfficeExternalResultSyncedOffice E.==. E.val oldUserId
    return $ ExamOfficeExternalResultSynced
          E.<#  (examOfficeExternalResultSynced E.^. ExamOfficeExternalResultSyncedSchool)
@ -400,7 +412,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueExternalExamStaff
-    (E.from $ \externalExamStaff -> do
+    (EL.from $ \externalExamStaff -> do
       E.where_ $ externalExamStaff E.^. ExternalExamStaffUser E.==. E.val oldUserId
       return $ ExternalExamStaff
         E.<#  E.val newUserId
@ -415,7 +427,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueSubmissionUser
-    (E.from $ \submissionUser -> do
+    (EL.from $ \submissionUser -> do
       E.where_ $ submissionUser E.^. SubmissionUserUser E.==. E.val oldUserId
       return $ SubmissionUser
         E.<#  E.val newUserId
@ -425,19 +437,19 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
  deleteWhere [ SubmissionUserUser ==. oldUserId ]

  do
-    collisions <- E.select . E.from $ \((submissionGroupUserA `E.InnerJoin` submissionGroupA) `E.InnerJoin` (submissionGroupUserB `E.InnerJoin` submissionGroupB)) -> do
-      E.on $ submissionGroupB E.^. SubmissionGroupId E.==. submissionGroupUserB E.^. SubmissionGroupUserSubmissionGroup
-      E.on $ submissionGroupUserA E.^. SubmissionGroupUserSubmissionGroup E.!=. submissionGroupUserB E.^. SubmissionGroupUserSubmissionGroup
+    collisions <- E.select . EL.from $ \((submissionGroupUserA `E.InnerJoin` submissionGroupA) `E.InnerJoin` (submissionGroupUserB `E.InnerJoin` submissionGroupB)) -> do
+      EL.on $ submissionGroupB E.^. SubmissionGroupId E.==. submissionGroupUserB E.^. SubmissionGroupUserSubmissionGroup
+      EL.on $ submissionGroupUserA E.^. SubmissionGroupUserSubmissionGroup E.!=. submissionGroupUserB E.^. SubmissionGroupUserSubmissionGroup
       E.&&. submissionGroupUserA E.^. SubmissionGroupUserUser E.==. E.val oldUserId
       E.&&. submissionGroupUserB E.^. SubmissionGroupUserUser E.==. E.val newUserId
-      E.on $ submissionGroupA E.^. SubmissionGroupId E.==. submissionGroupUserA E.^. SubmissionGroupUserSubmissionGroup
+      EL.on $ submissionGroupA E.^. SubmissionGroupId E.==. submissionGroupUserA E.^. SubmissionGroupUserSubmissionGroup
      E.where_ $ submissionGroupA E.^. SubmissionGroupCourse E.==. submissionGroupB E.^. SubmissionGroupCourse
      return (submissionGroupUserA, submissionGroupUserB)
    forM_ collisions $ \(submissionGroupUserA, submissionGroupUserB) ->
      tellWarning $ UserAssimilateSubmissionGroupUserMultiple submissionGroupUserA submissionGroupUserB
  E.insertSelectWithConflict
    UniqueSubmissionGroupUser
-    (E.from $ \submissionGroupUser -> do
+    (EL.from $ \submissionGroupUser -> do
       E.where_ $ submissionGroupUser E.^. SubmissionGroupUserUser E.==. E.val oldUserId
       return $ SubmissionGroupUser
         E.<#  (submissionGroupUser E.^. SubmissionGroupUserSubmissionGroup)
@ -454,7 +466,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueLecturer
-    (E.from $ \lecturer -> do
+    (EL.from $ \lecturer -> do
        E.where_ $ lecturer E.^. LecturerUser E.==. E.val oldUserId
        return $ Lecturer
          E.<#  E.val newUserId
@ -466,7 +478,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueParticipant
-    (E.from $ \courseParticipant -> do
+    (EL.from $ \courseParticipant -> do
        E.where_ $ courseParticipant E.^. CourseParticipantUser E.==. E.val oldUserId
        return $ CourseParticipant
          E.<#  (courseParticipant E.^. CourseParticipantCourse)
@ -496,7 +508,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueCourseUserExamOfficeOptOut
-    (E.from $ \examOfficeOptOut -> do
+    (EL.from $ \examOfficeOptOut -> do
        E.where_ $ examOfficeOptOut E.^. CourseUserExamOfficeOptOutUser E.==. E.val oldUserId
        return $ CourseUserExamOfficeOptOut
          E.<#  (examOfficeOptOut E.^. CourseUserExamOfficeOptOutCourse)
@ -508,7 +520,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueUserFunction
-    (E.from $ \userFunction -> do
+    (EL.from $ \userFunction -> do
        E.where_ $ userFunction E.^. UserFunctionUser E.==. E.val oldUserId
        return $ UserFunction
          E.<#  E.val newUserId
@ -520,7 +532,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueUserSystemFunction
-    (E.from $ \userSystemFunction -> do
+    (EL.from $ \userSystemFunction -> do
        E.where_ $ userSystemFunction E.^. UserSystemFunctionUser E.==. E.val oldUserId
        return $ UserSystemFunction
          E.<#  E.val newUserId
@ -533,7 +545,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueUserExamOffice
-    (E.from $ \userExamOffice -> do
+    (EL.from $ \userExamOffice -> do
        E.where_ $ userExamOffice E.^. UserExamOfficeUser E.==. E.val oldUserId
        return $ UserExamOffice
          E.<#  E.val newUserId
@ -544,7 +556,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueUserSchool
-    (E.from $ \userSchool -> do
+    (EL.from $ \userSchool -> do
        E.where_ $ userSchool E.^. UserSchoolUser E.==. E.val oldUserId
        return $ UserSchool
          E.<#  E.val newUserId
@ -557,7 +569,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
  updateWhere [ UserGroupMemberUser ==. oldUserId, UserGroupMemberPrimary ==. Active ] [ UserGroupMemberUser =. newUserId ]
  E.insertSelectWithConflict
    UniqueUserGroupMember
-    (E.from $ \userGroupMember -> do
+    (EL.from $ \userGroupMember -> do
        E.where_ $ userGroupMember E.^. UserGroupMemberUser E.==. E.val oldUserId
        return $ UserGroupMember
          E.<#  (userGroupMember E.^. UserGroupMemberGroup)
@ -568,8 +580,8 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
  deleteWhere [ UserGroupMemberUser ==. oldUserId ]

  do
-    collisions <- E.select . E.from $ \(examRegistrationA `E.InnerJoin` examRegistrationB) -> do
-      E.on $ examRegistrationA E.^. ExamRegistrationExam E.==. examRegistrationB E.^. ExamRegistrationExam
+    collisions <- E.select . EL.from $ \(examRegistrationA `E.InnerJoin` examRegistrationB) -> do
+      EL.on $ examRegistrationA E.^. ExamRegistrationExam E.==. examRegistrationB E.^. ExamRegistrationExam
       E.&&. examRegistrationA E.^. ExamRegistrationUser E.==. E.val oldUserId
       E.&&. examRegistrationB E.^. ExamRegistrationUser E.==. E.val newUserId
      E.where_ $ examRegistrationA E.^. ExamRegistrationOccurrence E.!=. examRegistrationB E.^. ExamRegistrationOccurrence
@ -580,7 +592,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
      -> tellWarning $ UserAssimilateExamRegistrationDifferentOccurrence oldExamRegistration newExamRegistration
  E.insertSelectWithConflict
    UniqueExamRegistration
-    (E.from $ \examRegistration -> do
+    (EL.from $ \examRegistration -> do
        E.where_ $ examRegistration E.^. ExamRegistrationUser E.==. E.val oldUserId
        return $ ExamRegistration
          E.<#  (examRegistration E.^. ExamRegistrationExam)
@ -592,8 +604,8 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
  deleteWhere [ ExamRegistrationUser ==. oldUserId ]

  do
-    collision <- E.selectMaybe . E.from $ \(examPartResultA `E.InnerJoin` examPartResultB) -> do
-      E.on $ examPartResultA E.^. ExamPartResultExamPart E.==. examPartResultB E.^. ExamPartResultExamPart
+    collision <- E.selectMaybe . EL.from $ \(examPartResultA `E.InnerJoin` examPartResultB) -> do
+      EL.on $ examPartResultA E.^. ExamPartResultExamPart E.==. examPartResultB E.^. ExamPartResultExamPart
       E.&&. examPartResultA E.^. ExamPartResultUser E.==. E.val oldUserId
       E.&&. examPartResultB E.^. ExamPartResultUser E.==. E.val newUserId
      E.where_ $ examPartResultA E.^. ExamPartResultResult E.!=. examPartResultB E.^. ExamPartResultResult
@ -602,7 +614,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
      -> tellError $ UserAssimilateExamPartResultDifferentResult oldExamPartResult newExamPartResult
  E.insertSelectWithConflict
    UniqueExamPartResult
-    (E.from $ \examPartResult -> do
+    (EL.from $ \examPartResult -> do
        E.where_ $ examPartResult E.^. ExamPartResultUser E.==. E.val oldUserId
        return $ ExamPartResult
          E.<#  (examPartResult E.^. ExamPartResultExamPart)
@ -614,8 +626,8 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
  deleteWhere [ ExamPartResultUser ==. oldUserId ]

  do
-    collision <- E.selectMaybe . E.from $ \(examBonusA `E.InnerJoin` examBonusB) -> do
-      E.on $ examBonusA E.^. ExamBonusExam E.==. examBonusB E.^. ExamBonusExam
+    collision <- E.selectMaybe . EL.from $ \(examBonusA `E.InnerJoin` examBonusB) -> do
+      EL.on $ examBonusA E.^. ExamBonusExam E.==. examBonusB E.^. ExamBonusExam
       E.&&. examBonusA E.^. ExamBonusUser E.==. E.val oldUserId
       E.&&. examBonusB E.^. ExamBonusUser E.==. E.val newUserId
      E.where_ $ examBonusA E.^. ExamBonusBonus E.!=. examBonusB E.^. ExamBonusBonus
@ -624,7 +636,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
      -> tellError $ UserAssimilateExamBonusDifferentBonus oldExamBonus newExamBonus
  E.insertSelectWithConflict
    UniqueExamBonus
-    (E.from $ \examBonus -> do
+    (EL.from $ \examBonus -> do
        E.where_ $ examBonus E.^. ExamBonusUser E.==. E.val oldUserId
        return $ ExamBonus
          E.<#  (examBonus E.^. ExamBonusExam)
@ -657,8 +669,8 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
        Entity newECId _ <- upsert examCorrector{ examCorrectorUser = newUserId } []
        E.insertSelectWithConflict
          UniqueExamPartCorrector
-          (E.from $ \(examPartCorrector `E.InnerJoin` examCorrector') -> do
-              E.on $ examCorrector' E.^. ExamCorrectorId E.==. examPartCorrector E.^. ExamPartCorrectorCorrector
+          (EL.from $ \(examPartCorrector `E.InnerJoin` examCorrector') -> do
+              EL.on $ examCorrector' E.^. ExamCorrectorId E.==. examPartCorrector E.^. ExamPartCorrectorCorrector
              E.where_ $ examCorrector' E.^. ExamCorrectorUser E.==. E.val oldUserId
                   E.&&. examCorrector' E.^. ExamCorrectorExam E.==. E.val (examCorrectorExam examCorrector)
              return $ ExamPartCorrector
@ -704,8 +716,8 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
   in runConduit $ getSheetCorrectors .| C.mapM_ upsertSheetCorrector

  do
-    collision <- E.selectMaybe . E.from $ \(personalisedSheetFileA `E.InnerJoin` personalisedSheetFileB) -> do
-      E.on $ personalisedSheetFileA E.^. PersonalisedSheetFileSheet E.==. personalisedSheetFileB E.^. PersonalisedSheetFileSheet
+    collision <- E.selectMaybe . EL.from $ \(personalisedSheetFileA `E.InnerJoin` personalisedSheetFileB) -> do
+      EL.on $ personalisedSheetFileA E.^. PersonalisedSheetFileSheet E.==. personalisedSheetFileB E.^. PersonalisedSheetFileSheet
       E.&&. personalisedSheetFileA E.^. PersonalisedSheetFileType E.==. personalisedSheetFileB E.^. PersonalisedSheetFileType
       E.&&. personalisedSheetFileA E.^. PersonalisedSheetFileTitle E.==. personalisedSheetFileB E.^. PersonalisedSheetFileTitle
       E.&&. personalisedSheetFileA E.^. PersonalisedSheetFileUser E.==. E.val oldUserId
@ -716,7 +728,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
      -> tellError $ UserAssimilatePersonalisedSheetFileDifferentContent oldPersonalisedSheetFile newPersonalisedSheetFile
  E.insertSelectWithConflict
    UniquePersonalisedSheetFile
-    (E.from $ \personalisedSheetFile -> do
+    (EL.from $ \personalisedSheetFile -> do
        E.where_ $ personalisedSheetFile E.^. PersonalisedSheetFileUser E.==. E.val oldUserId
        return $ PersonalisedSheetFile
          E.<#  (personalisedSheetFile E.^. PersonalisedSheetFileSheet)
@ -731,7 +743,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueTutor
-    (E.from $ \tutor -> do
+    (EL.from $ \tutor -> do
        E.where_ $ tutor E.^. TutorUser E.==. E.val oldUserId
        return $ Tutor
          E.<#  (tutor E.^. TutorTutorial)
@ -740,12 +752,12 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
    (\_current _excluded -> [])

  do
-    collision <- E.selectMaybe . E.from $ \((tutorialA `E.InnerJoin` tutorialParticipantA) `E.InnerJoin` (tutorialB `E.InnerJoin` tutorialParticipantB)) -> do
-      E.on $ tutorialParticipantB E.^. TutorialParticipantTutorial E.==. tutorialB E.^. TutorialId
-      E.on $ tutorialA E.^. TutorialCourse E.==. tutorialB E.^. TutorialCourse
+    collision <- E.selectMaybe . EL.from $ \((tutorialA `E.InnerJoin` tutorialParticipantA) `E.InnerJoin` (tutorialB `E.InnerJoin` tutorialParticipantB)) -> do
+      EL.on $ tutorialParticipantB E.^. TutorialParticipantTutorial E.==. tutorialB E.^. TutorialId
+      EL.on $ tutorialA E.^. TutorialCourse E.==. tutorialB E.^. TutorialCourse
       E.&&. tutorialParticipantB E.^. TutorialParticipantUser E.==. E.val newUserId
       E.&&. tutorialParticipantA E.^. TutorialParticipantUser E.==. E.val oldUserId
-      E.on $ tutorialParticipantA E.^. TutorialParticipantTutorial E.==. tutorialA E.^. TutorialId
+      EL.on $ tutorialParticipantA E.^. TutorialParticipantTutorial E.==. tutorialA E.^. TutorialId
      E.where_ $ tutorialA E.^. TutorialId E.!=. tutorialB E.^. TutorialId
           E.&&. tutorialA E.^. TutorialRegGroup E.==. tutorialB E.^. TutorialRegGroup
      return (tutorialParticipantA, tutorialParticipantB)
@ -753,7 +765,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
      -> tellError $ UserAssimilateTutorialParticipantCollidingRegGroups tutorialUserA tutorialUserB
  E.insertSelectWithConflict
    UniqueTutorialParticipant
-    (E.from $ \tutorialParticipant -> do
+    (EL.from $ \tutorialParticipant -> do
        E.where_ $ tutorialParticipant E.^. TutorialParticipantUser E.==. E.val oldUserId
        return $ TutorialParticipant
          E.<#  (tutorialParticipant E.^. TutorialParticipantTutorial)
@ -764,7 +776,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueSystemMessageHidden
-    (E.from $ \systemMessageHidden -> do
+    (EL.from $ \systemMessageHidden -> do
        E.where_ $ systemMessageHidden E.^. SystemMessageHiddenUser E.==. E.val oldUserId
        return $ SystemMessageHidden
          E.<#  (systemMessageHidden E.^. SystemMessageHiddenMessage)
@ -789,7 +801,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
              ]
            E.insertSelectWithConflict
              UniqueRelevantStudyFeatures
-              (E.from $ \relevantStudyFeatures -> do
+              (EL.from $ \relevantStudyFeatures -> do
                  E.where_ $ relevantStudyFeatures E.^. RelevantStudyFeaturesStudyFeatures E.==. E.val oldSFId
                  return $ RelevantStudyFeatures
                    E.<#  (relevantStudyFeatures E.^. RelevantStudyFeaturesTerm)
@ -815,8 +827,8 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
  unless (Set.null qResolvable) $ deleteWhere [ LmsUserUser ==. oldUserId, LmsUserQualification <-. Set.toList qResolvable ] -- delete conflicting and finished LMS, which are still within auditDuration
  updateWhere [ LmsUserUser ==. oldUserId ] [ LmsUserUser =. newUserId ]
  updateWhere [ QualificationEditUser ==. oldUserId ] [ QualificationEditUser =. newUserId ]
-  usrQualis <- E.select $ E.from $ \(oldQual `E.LeftOuterJoin` newQual) -> do
-      E.on (      newQual E.?. QualificationUserQualification E.?=. oldQual E.^. QualificationUserQualification
+  usrQualis <- E.select $ EL.from $ \(oldQual `E.LeftOuterJoin` newQual) -> do
+      EL.on (      newQual E.?. QualificationUserQualification E.?=. oldQual E.^. QualificationUserQualification
            E.&&. newQual E.?. QualificationUserUser          E.?=. E.val newUserId
            )
      E.where_ $  oldQual E.^. QualificationUserUser          E.==. E.val oldUserId          
@ -835,10 +847,14 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
      delete oldQKey
  -- deleteWhere [ QualificationUserUser ==. oldUserId ] -- no longer needed  

+  -- PrintJobs
+  updateWhere [ PrintJobRecipient ==. Just oldUserId ] [ PrintJobRecipient =. Just newUserId ]
+  updateWhere [ PrintJobSender    ==. Just oldUserId ] [ PrintJobSender    =. Just newUserId ]
+
  -- Supervision is fully merged
  E.insertSelectWithConflict
    UniqueUserSupervisor
-    (E.from $ \userSupervisor -> do
+    (EL.from $ \userSupervisor -> do
      E.where_ $ userSupervisor E.^. UserSupervisorSupervisor E.==. E.val oldUserId
      return $ UserSupervisor
        E.<#  E.val newUserId
@ -850,7 +866,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do

  E.insertSelectWithConflict
    UniqueUserSupervisor
-    (E.from $ \userSupervisor -> do
+    (EL.from $ \userSupervisor -> do
      E.where_ $ userSupervisor E.^. UserSupervisorUser E.==. E.val oldUserId
      return $ UserSupervisor
        E.<#  (userSupervisor E.^. UserSupervisorSupervisor)
@ -863,7 +879,7 @@ assimilateUser newUserId oldUserId = mapReaderT execWriterT $ do
  -- Companies, in conflict, keep the newUser-Company as is
  E.insertSelectWithConflict
    UniqueUserCompany
-    (E.from $ \userCompany -> do
+    (EL.from $ \userCompany -> do
      E.where_ $ userCompany E.^. UserCompanyUser E.==. E.val oldUserId
      return $ UserCompany
        E.<#  E.val newUserId
--- a/src/Handler/Utils/Widgets.hs
+++ b/src/Handler/Utils/Widgets.hs
@ -123,6 +123,14 @@ editedByW fmt tm usr  = do
  [whamlet|_{MsgUtilEditedBy usr ft}|]


+-- | like `modal`, but only conditionally displays the modal link only after checking access rights. WARNING: this might be too slow for large dbTable. Use `modalAccessCheckOnClick` instead
+modalAccess :: Widget -> Widget -> Bool -> Route UniWorX -> Widget
+modalAccess wdgtNo wdgtYes writeAccess route = do
+  authOk <- liftHandler $ bool hasReadAccessTo hasWriteAccessTo writeAccess route
+  if authOk
+    then modal wdgtYes (Left $ SomeRoute route)
+    else       wdgtNo
+
 ----------
 -- HEAT --
 ----------
--- a/src/Jobs.hs
+++ b/src/Jobs.hs
@ -47,7 +47,7 @@ import qualified Control.Monad.Catch as Exc

 import Data.Time.Zones

-import Control.Concurrent.STM (stateTVar, retry)
+import Control.Concurrent.STM (stateTVar)
 import Control.Concurrent.STM.Delay

 import UnliftIO.Concurrent (forkIO, myThreadId, threadDelay)
@ -260,7 +260,7 @@ manageJobPool foundation@UniWorX{..} unmask = shutdownOnException $ \routeExc ->
                  (nextVal, newQueue) <- MaybeT . lift . fmap jqDequeue $ readTVar chan
                  lift . lift $ writeTVar chan newQueue
                  jobWorkers' <- lift . lift $ jobWorkers <$> readTMVar appJobState
-                  receiver <- maybe (lift $ lift retry) return =<< uniformMay jobWorkers'
+                  receiver <- maybe (lift $ lift retrySTM) return =<< uniformMay jobWorkers'
                  return (nextVal, receiver)
                whenIsJust next $ \(nextVal, receiver) -> do
                  atomically $ readTVar receiver >>= jqInsert nextVal >>= (writeTVar receiver $!)
@ -373,8 +373,8 @@ execCrontab = do
    State.modify . HashMap.filterWithKey $ \k _ -> HashMap.member k crontab
    prevExec <- State.get
    case earliestJob settings prevExec crontab refT of
-      Nothing -> liftBase retry
-      Just (_, MatchNone) -> liftBase retry
+      Nothing -> liftBase retrySTM
+      Just (_, MatchNone) -> liftBase retrySTM
      Just x -> return (crontab, x, prevExec)

  do
--- a/src/Jobs/Crontab.hs
+++ b/src/Jobs/Crontab.hs
@ -1,4 +1,4 @@
-- SPDX-FileCopyrightText: 2022 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Sarah Vaupel <sarah.vaupel@ifi.lmu.de>,Sarah Vaupel <vaupel.sarah@campus.lmu.de>,Steffen Jost <jost@tcs.ifi.lmu.de>
+-- SPDX-FileCopyrightText: 2022-2023 Sarah Vaupel <sarah.vaupel@uniworx.de>, David Mosbach <david.mosbach@uniworx.de>, Gregor Kleen <gregor.kleen@ifi.lmu.de>,Sarah Vaupel <sarah.vaupel@ifi.lmu.de>,Sarah Vaupel <vaupel.sarah@campus.lmu.de>,Steffen Jost <jost@tcs.ifi.lmu.de>
 --
 -- SPDX-License-Identifier: AGPL-3.0-or-later

@ -392,28 +392,31 @@ determineCrontab = execWriterT $ do
    --         , cronNotAfter  = Right . CronTimestamp . utcToLocalTimeTZ appTZ $ addUTCTime appStudyFeaturesRecacheRelevanceInterval nextIntervalTime
    --         }

-    whenIsJust appQualificationCheckHour $ \hour -> tell $ HashMap.singleton
+
+    whenIsJust appJobLmsQualificationsEnqueueHour $ \hour -> tell $ HashMap.singleton
      (JobCtlQueue JobLmsQualificationsEnqueue)
      Cron
        { cronInitial   = CronAsap  -- time after scheduling 
-        , cronRepeat    = CronRepeatScheduled $ cronCalendarAny { cronHour   = cronMatchOne hour -- cronHour = CronMatchSome (impureNonNull $ Set.fromList [3,15] ) 
-                                                                , cronMinute = cronMatchOne 3
+        , cronRepeat    = CronRepeatScheduled $ cronCalendarAny { cronDayOfWeek = CronMatchSome . impureNonNull . Set.fromList $ [1..5]
+                                                                , cronHour   = cronMatchOne hour -- cronHour = CronMatchSome (impureNonNull $ Set.fromList [3,15] ) 
+                                                                , cronMinute = cronMatchOne 2
                                                                , cronSecond = cronMatchOne 27
                                                                }
-        , cronRateLimit = nominalDay / 2        -- minimal time between two executions, before the second job is skipped
-        , cronNotAfter  = Left nominalDay       -- maximal delay of an execution, before it is skipped entirely
+        , cronRateLimit = 600        -- minimal time between two executions, before the second job is skipped
+        , cronNotAfter  = Right CronNotScheduled       -- maximal delay of an execution, before it is skipped entirely
        }      

-    whenIsJust appQualificationCheckHour $ \hour -> tell $ HashMap.singleton
+    whenIsJust appJobLmsQualificationsDequeueHour $ \hour -> tell $ HashMap.singleton
      (JobCtlQueue JobLmsQualificationsDequeue)
      Cron
        { cronInitial   = CronAsap  -- time after scheduling 
-        , cronRepeat    = CronRepeatScheduled $ cronCalendarAny { cronHour   = cronMatchOne hour -- cronHour = CronMatchSome (impureNonNull $ Set.fromList [3,15] ) 
-                                                                , cronMinute = cronMatchOne 33
+        , cronRepeat    = CronRepeatScheduled $ cronCalendarAny { cronDayOfWeek = CronMatchSome . impureNonNull . Set.fromList $ [1..5]
+                                                                , cronHour   = cronMatchOne hour -- cronHour = CronMatchSome (impureNonNull $ Set.fromList [3,15] ) 
+                                                                , cronMinute = cronMatchOne 7
                                                                , cronSecond = cronMatchOne 27
                                                                }
-        , cronRateLimit = nominalDay / 2        -- minimal time between two executions, before the second job is skipped
-        , cronNotAfter  = Left nominalDay       -- maximal delay of an execution, before it is skipped entirely
+        , cronRateLimit = 600        -- minimal time between two executions, before the second job is skipped
+        , cronNotAfter  = Right CronNotScheduled       -- maximal delay of an execution, before it is skipped entirely
        }   

    let
@ -442,28 +445,26 @@ determineCrontab = execWriterT $ do
                        )
      .| C.fold collateSubmissionsByCorrector Map.empty

-    submissionRatedNotificationsSince <- lift $ getMigrationTime Migration20210318CrontabSubmissionRatedNotification 
-    whenIsJust submissionRatedNotificationsSince $ \notifySince
-      -> let submissionsSelect = E.selectSource . E.from $ \(submission `E.InnerJoin` sheet) -> do
-               E.on $ submission E.^. SubmissionSheet E.==. sheet E.^. SheetId
-               E.where_ $ sqlSubmissionRatingDone submission
-                    E.&&. submission E.^. SubmissionRatingTime E.>=. E.justVal notifySince
-               return (submission, sheet E.^. SheetType)
-             submissionJobs (Entity subId Submission{..}, E.Value sType) = maybeT_ $ do
-               examFinishedTime <- hoist lift . for (sType ^? _examPart . from _SqlKey) $ \epId -> do
-                 ExamPart{examPartExam} <- MaybeT . $cachedHereBinary epId $ get epId
-                 Exam{..} <- MaybeT . $cachedHereBinary examPartExam $ get examPartExam
-                 return examFinished
-               notifyTime <- hoistMaybe . nBot $ maybe NTop (max `on` NTop) examFinishedTime submissionRatingTime 
-               tell $ HashMap.singleton
-                 (JobCtlQueue . JobQueueNotification $ NotificationSubmissionRated subId)
-                 Cron
-                   { cronInitial   = CronTimestamp $ utcToLocalTimeTZ appTZ notifyTime
-                   , cronRepeat    = CronRepeatNever
-                   , cronRateLimit = appNotificationRateLimit
-                   , cronNotAfter  = Left appNotificationExpiration
-                   }
-          in runConduit $ transPipe lift submissionsSelect .| C.mapM_ submissionJobs
+    let submissionsSelect = E.selectSource . E.from $ \(submission `E.InnerJoin` sheet) -> do
+          E.on $ submission E.^. SubmissionSheet E.==. sheet E.^. SheetId
+          E.where_ $ sqlSubmissionRatingDone submission
+              E.&&. submission E.^. SubmissionRatingTime E.>=. E.justVal (toMidnight $ fromGregorian 2024 1 1) -- no submissions used in FRADrive as of this date, previously cut off by an old legacy migration
+          return (submission, sheet E.^. SheetType)
+        submissionJobs (Entity subId Submission{..}, E.Value sType) = maybeT_ $ do
+          examFinishedTime <- hoist lift . for (sType ^? _examPart . from _SqlKey) $ \epId -> do
+            ExamPart{examPartExam} <- MaybeT . $cachedHereBinary epId $ get epId
+            Exam{..} <- MaybeT . $cachedHereBinary examPartExam $ get examPartExam
+            return examFinished
+          notifyTime <- hoistMaybe . nBot $ maybe NTop (max `on` NTop) examFinishedTime submissionRatingTime 
+          tell $ HashMap.singleton
+            (JobCtlQueue . JobQueueNotification $ NotificationSubmissionRated subId)
+            Cron
+              { cronInitial   = CronTimestamp $ utcToLocalTimeTZ appTZ notifyTime
+              , cronRepeat    = CronRepeatNever
+              , cronRateLimit = appNotificationRateLimit
+              , cronNotAfter  = Left appNotificationExpiration
+              }
+    runConduit $ transPipe lift submissionsSelect .| C.mapM_ submissionJobs

    let
      examSelect = E.selectSource . E.from $ \(exam `E.InnerJoin` course `E.InnerJoin` school) -> do
--- a/src/Jobs/Handler/LMS.hs
+++ b/src/Jobs/Handler/LMS.hs
@ -1,4 +1,4 @@
-- SPDX-FileCopyrightText: 2022-23 Steffen Jost <s.jost@fraport.de>,Steffen Jost <jost@tcs.ifi.lmu.de>
+-- SPDX-FileCopyrightText: 2022-24 Steffen Jost <s.jost@fraport.de>,Steffen Jost <jost@tcs.ifi.lmu.de>
 --
 -- SPDX-License-Identifier: AGPL-3.0-or-later

@ -10,8 +10,6 @@ module Jobs.Handler.LMS
  , dispatchJobLmsEnqueue, dispatchJobLmsEnqueueUser
  , dispatchJobLmsDequeue
  , dispatchJobLmsReports
-  , dispatchJobLmsResults
-  , dispatchJobLmsUserlist
  ) where

 import Import
@ -28,7 +26,7 @@ import qualified Database.Esqueleto.Utils as E
 import qualified Data.Set as Set
 -- import qualified Data.Map as Map

-import qualified Data.Time.Zones as TZ
+-- import qualified Data.Time.Zones as TZ
 import Handler.Utils.DateTime
 import Handler.Utils.LMS (randomLMSIdentBut, randomLMSpw, maxLmsUserIdentRetries)
 import Handler.Utils.Qualification
@ -119,6 +117,7 @@ dispatchJobLmsEnqueue qid = JobHandlerAtomic act
                              NotificationQualificationExpiry { nQualification = qid, nExpiry = uex }
                         }
          forM_ renewalUsers (queueDBJob . usr_job)
+          logInterface "LMS" (qshort <> "-enq") True (Just $ length renewalUsers) ""

 dispatchJobLmsEnqueueUser :: QualificationId -> UserId -> JobHandler UniWorX
 dispatchJobLmsEnqueueUser qid uid = JobHandlerAtomic act
@ -134,14 +133,11 @@ dispatchJobLmsEnqueueUser qid uid = JobHandlerAtomic act
          ( (E.^. LmsUserIdent)     <$> E.from (E.table @LmsUser    ) ) -- no filter by Qid, since LmsIdents must be unique across all
          `E.union_`
          ( (E.^. LmsReportIdent)   <$> E.from (E.table @LmsReport  ) ) -- V2
-          `E.union_`
-          ( (E.^. LmsResultIdent)   <$> E.from (E.table @LmsResult  ) ) -- V1 DEPRECATED
-          `E.union_`
-          ( (E.^. LmsUserlistIdent) <$> E.from (E.table @LmsUserlist) ) -- V1 DEPRECATED
        E.orderBy [E.asc lui]
        pure lui
      now <- liftIO getCurrentTime
      let identsInUse = Set.fromList (E.unValue <$> identsInUseVs)
+          uniqLmsUse  = UniqueLmsQualificationUser qid uid
          mkLmsUser lpin lid = LmsUser
            { lmsUserQualification = qid
            , lmsUserUser          = uid
@ -157,26 +153,32 @@ dispatchJobLmsEnqueueUser qid uid = JobHandlerAtomic act
            , lmsUserEnded         = Nothing
            , lmsUserResetTries    = False
            , lmsUserLocked        = True    -- initially display locked, since it is not yet available until the first feedback
-            }
+            }         
          -- startLmsUser :: YesodJobDB UniWorX (Maybe (Entity LmsUser))
          startLmsUser = do
-            lpw <- randomLMSpw
+            lpw <- randomLMSpw            
            maybeM (pure Nothing) (E.insertUniqueEntity . mkLmsUser lpw) (randomLMSIdentBut qprefix identsInUse)
            -- runMaybeT $ do
            --   lid <- MaybeT $ randomLMSIdentBu qprefix identsInUse
            --   MaybeT $ E.insertUniqueEntity $ mkLmsUser lpw lid
-      inserted <- untilJustMaxM maxLmsUserIdentRetries startLmsUser
-      case inserted of
-        Nothing  -> do
-          uuid :: CryptoUUIDUser <- encrypt uid
-          $logErrorS "LMS" $ "Generating and inserting fresh LmsIdent failed for uuid " <> tshow uuid <> " and qid " <> tshow qid <> "!"
-        (Just Entity{entityKey=lkey, entityVal=LmsUser{lmsUserIdent=lid, lmsUserUser=luid, lmsUserQualification=lqid}}) -> -- lmsUser started, but not yet notified
-          audit $ TransactionLmsStart
-            { transactionQualification = lqid
-            , transactionLmsIdent      = lid
-            , transactionLmsUser       = luid
-            , transactionLmsUserKey    = lkey
-            }
+      getBy uniqLmsUse >>= \case
+        Just Entity{entityVal=LmsUser{..}} 
+          | isNothing lmsUserEnded, isNothing lmsUserStatus || lmsUserStatus == Just LmsSuccess -> do 
+            uuid :: CryptoUUIDUser <- encrypt uid
+            $logErrorS "LMS" $ "Generating fresh LmsIdent failed for uuid " <> tshow uuid <> " and qid " <> tshow qid <> " due to LMS still existing!"
+        other -> do 
+          when (isJust other) $ deleteBy uniqLmsUse
+          untilJustMaxM maxLmsUserIdentRetries startLmsUser >>= \case
+            Nothing  -> do
+              uuid :: CryptoUUIDUser <- encrypt uid
+              $logErrorS "LMS" $ "Generating and inserting fresh LmsIdent failed for uuid " <> tshow uuid <> " and qid " <> tshow qid <> " for unknown reason!"
+            (Just Entity{entityKey=lkey, entityVal=LmsUser{lmsUserIdent=lid, lmsUserUser=luid, lmsUserQualification=lqid}}) -> -- lmsUser started, but not yet notified
+              audit $ TransactionLmsStart
+                { transactionQualification = lqid
+                , transactionLmsIdent      = lid
+                , transactionLmsUser       = luid
+                , transactionLmsUserKey    = lkey
+                }


 -- purge LmsIdent after QualificationAuditDuration expired
@ -200,7 +202,7 @@ dispatchJobLmsDequeue qid = JobHandlerAtomic act
              -- E.&&.  luser E.?. LmsUserQualification        E.?=. E.val qid
              -- E.&&.  E.isNothing (luser E.^. LmsUserStatus)
              -- E.&&.  E.isNothing (luser E.^. LmsUserEnded)
-              E.&&.  E.not_ (validQualification now quser)
+              E.&&.  E.not__ (validQualification now quser)
          pure (luser E.?. LmsUserId, quser E.^. QualificationUserUser)
      nrBlocked <- qualificationUserBlocking qid (E.unValue . snd <$> expiredUsers) False (Just now) (Right QualificationBlockExpired) True -- essential that blocks occur only once
      let expiredLearners = [ luid | (E.Value (Just luid), _) <- expiredUsers ]
@ -210,7 +212,8 @@ dispatchJobLmsDequeue qid = JobHandlerAtomic act
        E.where_ $ E.isNothing (luser E.^. LmsUserStatus)
             E.&&.  luser E.^. LmsUserQualification E.==. E.val qid
             E.&&. (luser E.^. LmsUserId) `E.in_` E.valList expiredLearners
-      $logInfoS "LMS" $ "Expired qualification holders " <> tshow nrBlocked <> " and expired lms users " <> tshow nrExpired <> " for qualification " <> qshort
+      let dequeueInfo = "Blocked qualification holders " <> tshow nrBlocked <> " out of expired lms users " <> tshow nrExpired <> " for qualification " <> qshort             
+      $logInfoS "LMS" dequeueInfo

      when (quali ^. _qualificationExpiryNotification) $ do -- notifies expired and previously lms-failed drivers
        notifyInvalidDrivers <- E.select $ do
@ -220,7 +223,7 @@ dispatchJobLmsDequeue qid = JobHandlerAtomic act
              `E.on` (\(quser :& qblock) -> qblock E.?. QualificationUserBlockQualificationUser E.?=. quser E.^. QualificationUserId
                        E.&&. qblock `isLatestBlockBefore` E.val now
                     )
-            E.where_ $ -- E.not_ (validQualification now quser)                   -- currently invalid
+            E.where_ $ -- E.not__ (validQualification now quser)                   -- currently invalid
                    quser E.^. QualificationUserQualification E.==. E.val qid  -- correct qualification
              E.&&. quserToNotify now quser qblock                            -- recently became invalid or blocked
            pure (quser E.^. QualificationUserUser)
@ -254,10 +257,9 @@ dispatchJobLmsDequeue qid = JobHandlerAtomic act
          when (numdel > 0) $ do
            $logInfoS "LMS" $ "Deleting " <> tshow numdel <> " LmsIdents due to audit duration expiry for qualification " <> qshort
            deleteWhere [LmsUserQualification     ==. qid, LmsUserIdent     <-. delusers]
-            deleteWhere [LmsUserlistQualification ==. qid, LmsUserlistIdent <-. delusers]
-            deleteWhere [LmsResultQualification   ==. qid, LmsResultIdent   <-. delusers]
            -- deleteWhere [LmsAuditQualification    ==. qid, LmsAuditIdent    <-. delusers]
          deleteWhere [LmsReportLogQualification ==. qid, LmsReportLogTimestamp <. auditCutoff ]
+      logInterface "LMS" (qshort <> "-deq") True (Just nrBlocked) (tshow nrExpired <> " expired")


 dispatchJobLmsReports :: QualificationId -> JobHandler UniWorX
@ -311,7 +313,8 @@ dispatchJobLmsReports qid = JobHandlerAtomic act
                        E.&&.  lreport E.^. LmsReportLock           E.==. E.true
                  )
        -- B) notify all newly reported users that lms is available
-        let luserFltrNew luser = E.isNothing $ luser E.^. LmsUserReceived  -- not seen before, just starting
+        let luserFltrNew luser =  E.isNothing (luser E.^. LmsUserReceived)  -- not seen before, just starting
+                            E.||. E.isNothing (luser E.^. LmsUserNotified)  -- a previous notification has failed
            notifyNewLearner (E.Value uid) = queueDBJob JobUserNotification { jRecipient = uid, jNotification = NotificationQualificationRenewal { nQualification = qid, nReminder = False } }
          in luserQry luserFltrNew (const $ const E.true) >>= mapM_ notifyNewLearner
        -- C) block qualifications for failed learners by calling qualificationUserBlocking [uids] (includes audit), notified during expiry
@ -426,120 +429,3 @@ dispatchJobLmsReports qid = JobHandlerAtomic act
            E.<&> E.true)
        repProc <- deleteWhereCount [LmsReportQualification ==. qid]
        $logInfoS "LMS" [st|Processed #{tshow repProc} e-learning status reports for qualification #{tshow qid}.|]
-
-
-- DEPRECATED processes received results and lengthen qualifications, if applicable
-dispatchJobLmsResults :: QualificationId -> JobHandler UniWorX
-dispatchJobLmsResults qid = JobHandlerAtomic act
-  where
-    -- act :: YesodJobDB UniWorX ()
-    act = hoist lift $ do
-        results <- E.select $ do
-          (quser :& luser :& lresult) <- E.from $
-              E.table @QualificationUser  -- table not needed if renewal from lms completion day is used TODO: decide!
-              `E.innerJoin` E.table @LmsUser
-              `E.on` (\(quser :& luser) ->
-                              luser E.^. LmsUserUser           E.==. quser   E.^. QualificationUserUser
-                        E.&&. luser E.^. LmsUserQualification  E.==. quser   E.^. QualificationUserQualification)
-              `E.innerJoin` E.table @LmsResult
-              `E.on` (\(_ :& luser :& lresult) ->
-                              luser E.^. LmsUserIdent          E.==. lresult E.^. LmsResultIdent
-                        E.&&. luser E.^. LmsUserQualification  E.==. lresult E.^. LmsResultQualification)
-          E.where_ $ quser E.^. QualificationUserQualification E.==. E.val qid
-            E.&&.    luser E.^. LmsUserQualification           E.==. E.val qid
-            -- E.&&. E.isNothing (luser E.^. LmsUserStatus)  -- do not process learners already having a result WORKAROUND LMS-Bug: LMS may send blocked & success simultanesouly or within a few hours; in this case, success is the correct meaning
-            E.&&. E.isNothing (luser E.^. LmsUserEnded)   -- do not process closed learners
-          return (quser, luser, lresult)
-        now <- liftIO getCurrentTime
-        let locDay = localDay $ TZ.utcToLocalTimeTZ appTZ now
-        forM_ results $ \(Entity _quid QualificationUser{..}, Entity luid LmsUser{..}, Entity lrid LmsResult{..}) -> do
-          -- three separate DB operations per result is not so nice. All within one transaction though.
-          let lmsUserStartedDay = localDay $ TZ.utcToLocalTimeTZ appTZ lmsUserStarted
-              saneDate    = lmsResultSuccess `inBetween` (lmsUserStartedDay, min qualificationUserValidUntil locDay)
-                            -- && qualificationUserLastRefresh <= utctDay lmsUserStarted    NOTE: not always true due to manual intervention; also renewValidQualificationUsers prevents double renewals anyway
-              -- newValidTo  = addGregorianMonthsRollOver (toInteger renewalMonths) qualificationUserValidUntil -- renew from old validUntil onwards
-          note <- if saneDate && (lmsUserStatus /= Just LmsSuccess)
-            then do
-              -- WORKAROUND LMS-Bug [supposedly fixed now, but isnt]: sometimes we receive success and failure simultaneously; success is correct, hence we must unblock if the reason was e-learning
-              let reason_undo = Left $ "LMS Workaround undoing: " <> tshow (QualificationBlockFailedELearningBy lmsUserIdent)
-              ok_unblock <- qualificationUserUnblockByReason qid [qualificationUserUser] Nothing (Right $ QualificationBlockFailedELearningBy lmsUserIdent) reason_undo False -- affects audit log
-              when (ok_unblock > 0) ($logWarnS "LMS" [st|LMS Result: workaround triggered, unblocking #{tshow ok_unblock} e-learners for #{tshow qid}|])
-
-              _ok_renew <- renewValidQualificationUsers qid (Just $ Right $ QualificationRenewELearningBy lmsUserIdent) Nothing [qualificationUserUser] -- only unblocked are renewed
-              -- when (ok==1) $ update luid -- we end lms regardless of whether or not a regular renewal was successful, since BPol users may simultaneoysly have on-premise renewal courses and E-Learnings
-
-              update luid
-                [ LmsUserStatus     =. Just LmsSuccess
-                , LmsUserStatusDay  =. Just (utctDayMidnight lmsResultSuccess)
-                , LmsUserReceived   =. Just lmsResultTimestamp
-                ]
-              return Nothing
-            else do
-              let errmsg = [st|LMS Result: success with insane date #{tshow lmsResultSuccess} received for #{tshow lmsUserIdent}  for #{tshow qid}|]
-              $logErrorS "LMS" errmsg
-              return $ Just errmsg
-
-          audit TransactionLmsSuccess -- always log success, since this is only transmitted once
-            { transactionQualification = qid
-            , transactionLmsIdent      = lmsUserIdent
-            , transactionLmsDay        = utctDayMidnight lmsResultSuccess
-            , transactionLmsUser       = lmsUserUser
-            , transactionNote          = note
-            , transactionReceived      = lmsResultTimestamp
-            }
-          delete lrid
-        $logInfoS "LMS" [st|Processed #{tshow (length results)} LMS results|]
-
-
-- DEPRECATED processes received input and block qualifications, if applicable
-dispatchJobLmsUserlist :: QualificationId -> JobHandler UniWorX
-dispatchJobLmsUserlist qid = JobHandlerAtomic act
-  where
-    act :: YesodJobDB UniWorX ()
-    act = whenM (exists [LmsUserlistQualification ==. qid]) $ do -- safeguard against multiple calls, which would close all learners due to first case below
-      now <- liftIO getCurrentTime
-      -- result :: [(Entity LmsUser, Entity LmsUserlist)]
-      results <- E.select $ do
-        (luser :& lulist) <- E.from $
-            E.table @LmsUser `E.leftJoin` E.table @LmsUserlist
-            `E.on` (\(luser :& lulist) ->  luser E.^. LmsUserIdent         E.=?. lulist E.?. LmsUserlistIdent
-                                     E.&&. luser E.^. LmsUserQualification E.=?. lulist E.?. LmsUserlistQualification)
-        E.where_ $ luser E.^. LmsUserQualification E.==. E.val qid
-                  E.&&. E.isNothing (luser E.^. LmsUserEnded) -- do not process closed learners
-        return (luser, lulist)
-      forM_ results $ \case
-        (Entity luid luser, Nothing)
-          | isJust    $ lmsUserReceived luser          -- mark all previuosly reported, but now unreported users as ended (LMS deleted them as expected)
-          , isNothing $ lmsUserEnded    luser ->
-              update luid [LmsUserEnded =. Just now]
-          | otherwise -> return ()                     -- users likely not yet started
-
-        (Entity luid luser, Just (Entity _lulid lulist)) -> do
-          let lReceived = lmsUserlistTimestamp lulist
-          update luid [LmsUserReceived =. Just lReceived] -- LmsUserNotified is only updated upon sending notifications
-
-          when (isNothing $ lmsUserNotified luser) $ do -- notify users that lms is available
-            queueDBJob JobUserNotification
-              { jRecipient    = lmsUserUser luser
-              , jNotification = NotificationQualificationRenewal { nQualification = qid, nReminder = False }
-              }
-
-          let isBlocked = lmsUserlistFailed lulist
-              oldStatus = lmsUserStatus luser
-              updateStatus = isBlocked && oldStatus /= Just LmsSuccess
-          when updateStatus $ do
-            update luid [LmsUserStatus =. Just LmsBlocked, LmsUserStatusDay =. Just lReceived]
-            ok <- qualificationUserBlocking qid [lmsUserUser luser] False Nothing (Right QualificationBlockFailedELearning)  True
-            when (ok /= 1) $ do
-              uuid :: CryptoUUIDUser <- encrypt $ lmsUserUser luser
-              $logWarnS "LmsUserlist" [st|Blocking by failed E-learning failed for learner #{tshow uuid} and qualification #{tshow qid}]
-            audit TransactionLmsBlocked
-              { transactionQualification = qid
-              , transactionLmsIdent      = lmsUserIdent luser
-              , transactionLmsDay        = lReceived
-              , transactionLmsUser       = lmsUserUser luser
-              , transactionNote          = Just $ "Old status was " <> tshow oldStatus
-              , transactionReceived      = lReceived
-              }
-          delete lulid
-      $logInfoS "LMS" [st|Processed LMS Userlist with #{tshow (length results)} entries|]
--- a/src/Jobs/Handler/SendCourseCommunication.hs
+++ b/src/Jobs/Handler/SendCourseCommunication.hs
@ -31,7 +31,7 @@ dispatchJobSendCourseCommunication jRecipientEmail jAllRecipientAddresses jCours
  (sender, Course{..}) <- runDB $ (,)
    <$> getJust jSender
    <*> getJust jCourse
-  either (\email -> mailT def . (assign _mailTo (pure . Address Nothing $ CI.original email) *>)) userMailT jRecipientEmail $ do
+  either (\email -> mailT def . (assign _mailTo (pure . Address Nothing $ CI.original email) *>)) userMailT jRecipientEmail $ do -- userMailT obeys reroutes, userMailT direct does not
    MsgRenderer mr <- getMailMsgRenderer

    void $ setMailObjectUUID jMailObjectUUID
@ -49,17 +49,17 @@ dispatchJobSendCourseCommunication jRecipientEmail jAllRecipientAddresses jCours

 dispatchJobSendFirmCommunication :: Either UserEmail UserId
                                   -> Set Address
-                                   -> Maybe CompanyShorthand
+                                   -> Companies
                                   -> UserId
                                   -> UUID
                                   -> CommunicationContent
                                   -> JobHandler UniWorX
-dispatchJobSendFirmCommunication jRecipientEmail jAllRecipientAddresses _jCompany jSender jMailObjectUUID CommunicationContent{..} = JobHandlerException $ do
+dispatchJobSendFirmCommunication jRecipientEmail jAllRecipientAddresses _jCompanies jSender jMailObjectUUID CommunicationContent{..} = JobHandlerException $ do
  -- (sender,mbComp) <- runDB $ (,)
  --   <$> getJust jSender
  --   <*> ifMaybeM jCompany Nothing get
  sender <- runDB $ getJust jSender    
-  either (\email -> mailT def . (assign _mailTo (pure . Address Nothing $ CI.original email) *>)) userMailT jRecipientEmail $ do
+  either (\email -> mailT def . (assign _mailTo (pure . Address Nothing $ CI.original email) *>)) userMailT jRecipientEmail $ do -- userMailT obeys reroutes, userMailT direct does not
    MsgRenderer mr <- getMailMsgRenderer

    void $ setMailObjectUUID jMailObjectUUID
--- a/src/Jobs/Handler/SendNotification/Qualification.hs
+++ b/src/Jobs/Handler/SendNotification/Qualification.hs
@ -81,7 +81,7 @@ dispatchNotificationQualificationExpired nQualification jRecipient = do
              $logInfoS  "LMS" $ "Notified " <> tshow encRecipient <> " about expired qualification " <> qname
            else
              $logErrorS "LMS" $ "Failed to notify " <> tshow encRecipient <> " about expired qualification " <> qname
-        else  $logErrorS "LMS" $ "Suppressed repeated notification " <> tshow encRecipient <> " about expired qualification " <> qname
+        else  $logInfoS  "LMS" $ "Suppressed repeated notification " <> tshow encRecipient <> " about expired qualification " <> qname
    _ ->  $logErrorS "LMS" $ "Failed to notify " <> tshow encRecipient <> " about expired qualification " <> tshow nQualification


--- a/src/Jobs/Handler/SynchroniseAvs.hs
+++ b/src/Jobs/Handler/SynchroniseAvs.hs
@ -27,6 +27,7 @@ dispatchJobSynchroniseAvs numIterations epoch iteration pause
      now <- liftIO getCurrentTime
      todos <- runConduit $ readUsers .| filterIteration now .| sinkList
      putMany todos
+      void $ queueJob JobSynchroniseAvsQueue
  where
    readUsers :: ConduitT () UserId _ ()
    readUsers = selectKeys [] []
--- a/src/Jobs/Types.hs
+++ b/src/Jobs/Types.hs
@ -1,4 +1,4 @@
-- SPDX-FileCopyrightText: 2022-23 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Sarah Vaupel <sarah.vaupel@ifi.lmu.de>,Steffen Jost <s.jost@fraport.de>
+-- SPDX-FileCopyrightText: 2022-24 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Sarah Vaupel <sarah.vaupel@ifi.lmu.de>,Steffen Jost <s.jost@fraport.de>
 --
 -- SPDX-License-Identifier: AGPL-3.0-or-later

@ -76,7 +76,7 @@ data Job
                               }
  | JobSendFirmCommunication   { jRecipientEmail :: Either UserEmail UserId
                               , jAllRecipientAddresses :: Set Address
-                               , jCompany :: Maybe CompanyShorthand
+                               , jCompanies :: Companies
                               , jSender :: UserId
                               , jMailObjectUUID :: UUID
                               , jMailContent :: CommunicationContent
@ -135,8 +135,6 @@ data Job
  | JobLmsEnqueueUser { jQualification :: QualificationId, jUser :: UserId }
  | JobLmsQualificationsDequeue
  | JobLmsDequeue     { jQualification :: QualificationId }
-  | JobLmsUserlist    { jQualification :: QualificationId } -- Deprecated, remove together with routes
-  | JobLmsResults     { jQualification :: QualificationId } -- Deprecated, remove together with routes
  | JobLmsReports     { jQualification :: QualificationId }
  | JobPrintAck
  | JobPrintAckAgain
@ -368,9 +366,7 @@ jobNoQueueSame = \case
  JobLmsEnqueue     {}                -> Just JobNoQueueSame
  JobLmsEnqueueUser {}                -> Just JobNoQueueSame
  JobLmsQualificationsDequeue         -> Just JobNoQueueSame
-  JobLmsDequeue     {}                -> Just JobNoQueueSame
-  JobLmsUserlist    {}                -> Just JobNoQueueSame
-  JobLmsResults     {}                -> Just JobNoQueueSame
+  JobLmsDequeue     {}                -> Just JobNoQueueSame  
  JobLmsReports     {}                -> Just JobNoQueueSame
  JobPrintAck       {}                -> Just JobNoQueueSame
  JobPrintAckAgain  {}                -> Just JobNoQueueSame
@ -379,6 +375,8 @@ jobNoQueueSame = \case
 notifyNoQueueSame :: Notification -> Maybe JobNoQueueSame
 notifyNoQueueSame = \case 
  NotificationQualificationRenewal{} -> Just JobNoQueueSame -- send one at once; safe, since the job is rescheduled if sending was not acknowledged
+  NotificationQualificationExpiry{}  -> Just JobNoQueueSame -- do not send multiple expiry messages to the same person at once
+  NotificationQualificationExpired{} -> Just JobNoQueueSame 
  _                                  -> Nothing

 jobMovable :: JobCtl -> Bool
--- a/src/Mail.hs
+++ b/src/Mail.hs
@ -10,6 +10,7 @@
 module Mail
  ( -- * Structured MIME emails
    module Network.Mail.Mime
+  , AddressEqIgnoreName(..)
    -- * MailT
  , MailT, defMailT
  , MailSmtpData(..), _smtpEnvelopeFrom, _smtpRecipients
@ -137,6 +138,14 @@ import Network.HTTP.Types.Header (hETag)
 import Web.HttpApiData (ToHttpApiData(toHeader))


+newtype AddressEqIgnoreName = AddressEqIgnoreName { getAddress :: Address }
+  deriving (Show, Generic)
+instance Eq AddressEqIgnoreName where 
+  (==)    = (==)    `on` (addressEmail . getAddress)
+instance Ord AddressEqIgnoreName where 
+  compare = compare `on` (addressEmail . getAddress)
+
+
 makeLenses_ ''Address
 makeLenses_ ''Mail
 makeLenses_ ''Part
@ -339,8 +348,8 @@ defMailT ls (MailT mailC) = do
    return $ mail0
      & _mailFrom     .~ fromAddress
      & _mailReplyTo  .~ sender
-  mailRerouteTo' <- mailRerouteTo
-  let (mail2, smtpData1) = maybe (mail1,smtpData0) switchRecipient mailRerouteTo'   -- switch receiver on enveloper, if rerouting is active
+  mailRerouteTo' <- mailRerouteTo -- this is the general reroute, e.g. for test instances, not for supervisors
+  let (mail2, smtpData1) = maybe (mail1,smtpData0) switchRecipient mailRerouteTo'   -- switch receiver on envelope, if rerouting is active
      switchRecipient rerouteTo = (Mime.addPart switchInfo mail1, smtpData0 { smtpRecipients = Set.singleton rerouteTo } )
      switchInfo = [plainPart $ LT.fromStrict $ "Due to setting 'mail-reroute-to', this mail was diverted; it was intended to be sent to: " <> tshow (smtpRecipients smtpData0)]
  mail3 <- liftIO $ LBS.toStrict <$> renderMail' mail2
--- a/src/Model/Migration.hs
+++ b/src/Model/Migration.hs
@ -31,59 +31,20 @@ import Control.Monad.Except (MonadError(..))

 import Web.ServerSession.Backend.Persistent.Memcached (migrateMemcachedSqlStorage)
  
-import qualified Control.Monad.State.Class as State
+-- import qualified Control.Monad.State.Class as State


-_manualMigration :: Fold (Legacy.MigrationVersion, Legacy.Version) ManualMigration
-_manualMigration = folding $ \case
-  ([Legacy.migrationVersion|initial|], [Legacy.version|0.0.0|])  -> Just Migration20180813SimplifyUserTheme
-  ([Legacy.migrationVersion|0.0.0|],   [Legacy.version|1.0.0|])  -> Just Migration20180813SheetJSONB
-  ([Legacy.migrationVersion|1.0.0|],   [Legacy.version|2.0.0|])  -> Just Migration20180823SchoolShorthandPrimaryKey
-  ([Legacy.migrationVersion|2.0.0|],   [Legacy.version|3.0.0|])  -> Just Migration20180918SheetCorrectorLoadJSON
-  ([Legacy.migrationVersion|3.0.0|],   [Legacy.version|3.1.0|])  -> Just Migration20180918UserSurnames
-  ([Legacy.migrationVersion|3.1.0|],   [Legacy.version|3.2.0|])  -> Just Migration20180918SheetUploadMode
-  ([Legacy.migrationVersion|3.2.0|],   [Legacy.version|4.0.0|])  -> Just Migration20180928UserAuthentication
-  ([Legacy.migrationVersion|4.0.0|],   [Legacy.version|5.0.0|])  -> Just Migration20181011UserNotificationSettings
-  ([Legacy.migrationVersion|5.0.0|],   [Legacy.version|6.0.0|])  -> Just Migration20181031SheetTypeRefactor
-  ([Legacy.migrationVersion|6.0.0|],   [Legacy.version|7.0.0|])  -> Just Migration20181129EncodedSecretBoxes
-  ([Legacy.migrationVersion|7.0.0|],   [Legacy.version|8.0.0|])  -> Just Migration20181130SheetTypeRefactor
-  ([Legacy.migrationVersion|8.0.0|],   [Legacy.version|9.0.0|])  -> Just Migration20190319CourseParticipantField
-  ([Legacy.migrationVersion|9.0.0|],   [Legacy.version|10.0.0|]) -> Just Migration20190320BetterStudyShorthands
-  ([Legacy.migrationVersion|10.0.0|],  [Legacy.version|11.0.0|]) -> Just Migration20190421MixedSheetSubmissions
-  ([Legacy.migrationVersion|11.0.0|],  [Legacy.version|12.0.0|]) -> Just Migration20190429Tutorials
-  ([Legacy.migrationVersion|12.0.0|],  [Legacy.version|13.0.0|]) -> Just Migration20190515Exams
-  ([Legacy.migrationVersion|13.0.0|],  [Legacy.version|14.0.0|]) -> Just Migration20190715ExamOccurrenceName
-  ([Legacy.migrationVersion|14.0.0|],  [Legacy.version|15.0.0|]) -> Just Migration20190726UserFirstNamesTitles
-  ([Legacy.migrationVersion|15.0.0|],  [Legacy.version|16.0.0|]) -> Just Migration20190806TransactionLogIds
-  ([Legacy.migrationVersion|18.0.0|],  [Legacy.version|19.0.0|]) -> Just Migration20190828UserFunction
-  ([Legacy.migrationVersion|19.0.0|],  [Legacy.version|20.0.0|]) -> Just Migration20190912UserDisplayEmail
-  ([Legacy.migrationVersion|20.0.0|],  [Legacy.version|21.0.0|]) -> Just Migration20190916ExamPartNumber
-  ([Legacy.migrationVersion|21.0.0|],  [Legacy.version|22.0.0|]) -> Just Migration20190918ExamRulesRefactor
-  ([Legacy.migrationVersion|22.0.0|],  [Legacy.version|23.0.0|]) -> Just Migration20190919ExamBonusRounding
-  ([Legacy.migrationVersion|23.0.0|],  [Legacy.version|24.0.0|]) -> Just Migration20191002FavouriteReason
-  ([Legacy.migrationVersion|26.0.0|],  [Legacy.version|27.0.0|]) -> Just Migration20191125UserLanguages
-  ([Legacy.migrationVersion|27.0.0|],  [Legacy.version|28.0.0|]) -> Just Migration20191126ExamPartCorrector
-  ([Legacy.migrationVersion|28.0.0|],  [Legacy.version|29.0.0|]) -> Just Migration20191128StudyFeaturesSuperField
-  ([Legacy.migrationVersion|29.0.0|],  [Legacy.version|30.0.0|]) -> Just Migration20200111ExamOccurrenceRuleRefactor
-  ([Legacy.migrationVersion|30.0.0|],  [Legacy.version|31.0.0|]) -> Just Migration20200218ExamResultPassedGrade
-  ([Legacy.migrationVersion|31.0.0|],  [Legacy.version|32.0.0|]) -> Just Migration20200218ExamGradingModeMixed
-  ([Legacy.migrationVersion|32.0.0|],  [Legacy.version|33.0.0|]) -> Just Migration20200218ExternalExamGradingModeMixed
-  ([Legacy.migrationVersion|34.0.0|],  [Legacy.version|35.0.0|]) -> Just Migration20200424SubmissionGroups
-  ([Legacy.migrationVersion|35.0.0|],  [Legacy.version|36.0.0|]) -> Just Migration20200504CourseParticipantState
-  ([Legacy.migrationVersion|36.0.0|],  [Legacy.version|37.0.0|]) -> Just Migration20200506SessionFile
-  ([Legacy.migrationVersion|37.0.0|],  [Legacy.version|38.0.0|]) -> Just Migration20200627FileRefactor
-  ([Legacy.migrationVersion|39.0.0|],  [Legacy.version|40.0.0|]) -> Just Migration20200825StudyFeaturesFirstObserved
-  ([Legacy.migrationVersion|40.0.0|],  [Legacy.version|41.0.0|]) -> Just Migration20200902FileChunking
-  ([Legacy.migrationVersion|41.0.0|],  [Legacy.version|42.0.0|]) -> Just Migration20200916ExamMode
-  ([Legacy.migrationVersion|43.0.0|],  [Legacy.version|44.0.0|]) -> Just Migration20201106StoredMarkup
-  ([Legacy.migrationVersion|44.0.0|],  [Legacy.version|45.0.0|]) -> Just Migration20201119RoomTypes
-  _other -> Nothing
-
+-- _manualMigration :: Fold (Legacy.Migration Version, Legacy.Version) ManualMigration
+-- _manualMigration = folding $ \case
+--   ([Legacy.migrationVersion|initial|], [Legacy.version|0.0.0|])  -> Just Migration20180813SimplifyUserTheme
+--   ([Legacy.migrationVersion|44.0.0|],  [Legacy.version|45.0.0|]) -> Just Migration20201119RoomTypes
+--   _other -> Nothing

+-- AppliedMigrationMigration changed vom ManualMigration to Text (via PathPiece) so that removed extra migrations within DB are harmless (before achieved through where-clause)
 share [mkPersist sqlSettings, mkMigrate "migrateDBVersioning"]
  [persistLowerCase|
    AppliedMigration json
-      migration ManualMigration
+      migration Text
      time UTCTime
      Primary migration
      deriving Show Eq Ord
@ -99,7 +60,7 @@ migrateAll' = sequence_
 migrateAll :: ( MonadLogger m
              , MonadResource m
              , MonadUnliftIO m
-              , MonadReader UniWorX m
+              -- , MonadReader UniWorX m
              )
           => ReaderT SqlBackend m ()
 migrateAll = do
@ -108,8 +69,9 @@ migrateAll = do

  missingMigrations <- getMissingMigrations
  let
-    doCustomMigration acc appliedMigrationMigration migration = acc <* do
-      $logInfoS "Migration" $ toPathPiece appliedMigrationMigration
+    doCustomMigration acc manualMigration migration = acc <* do
+      let appliedMigrationMigration = toPathPiece manualMigration
+      $logInfoS "Migration" appliedMigrationMigration
      appliedMigrationTime <- liftIO getCurrentTime
      _ <- migration
      insert AppliedMigration{..}
@ -154,9 +116,9 @@ initialMigration = do
  mapM_ migrateEnableExtension ["citext", "pgcrypto"]
  lift . lift . hoist runResourceT . whenM (columnExists "applied_migration" "from") $ do
    let getAppliedMigrations = [queryQQ|SELECT "from", "to", "time" FROM "applied_migration"|]
-        migrateAppliedMigration [ fromPersistValue -> Right (fromV :: Legacy.MigrationVersion), fromPersistValue -> Right (toV :: Legacy.Version), fromPersistValue -> Right (time :: UTCTime) ] = do
+        migrateAppliedMigration [ fromPersistValue -> Right (fromV :: Legacy.MigrationVersion), fromPersistValue -> Right (toV :: Legacy.Version), fromPersistValue -> Right (_time :: UTCTime) ] = do
          lift [executeQQ|DELETE FROM "applied_migration" WHERE "from" = #{fromV} AND "to" = #{toV}|]
-          State.modify . Map.unionWith min . Map.fromSet (const time) $ setOf _manualMigration (fromV, toV)
+          -- State.modify . Map.unionWith min . Map.fromSet (const time) $ setOf _manualMigration (fromV, toV)
        migrateAppliedMigration _ = return ()
        insertMigrations ms = do
          [executeQQ|
@ -174,15 +136,16 @@ getMissingMigrations :: forall m m'.
                        ( MonadLogger m
                        , MonadIO m
                        , MonadResource m'
-                        , MonadReader UniWorX m'
+                        -- , MonadReader UniWorX m'
                        )
                     => ReaderT SqlBackend m (Map ManualMigration (ReaderT SqlBackend m' ()))
 getMissingMigrations = do
  $logDebugS "Migration" "Retrieve applied migrations"
-  appliedMigrations <- fmap (map E.unValue) . E.select . E.from $ \appliedMigration -> do
-    E.where_ $ appliedMigration E.^. AppliedMigrationMigration `E.in_` E.valList universeF
+  appliedMigrations <- fmap (map E.unValue) . E.select . E.from $ \appliedMigration -> do    
    return $ appliedMigration E.^. AppliedMigrationMigration
-  return $ customMigrations `Map.withoutKeys` Set.fromList appliedMigrations
+  let migNotDone m _ = toPathPiece m `Set.notMember` Set.fromList appliedMigrations
+  return $ Map.filterWithKey migNotDone customMigrations
+    

 getMigrationTime :: ( MonadIO m
                    , BaseBackend backend ~ SqlBackend
@ -190,4 +153,4 @@ getMigrationTime :: ( MonadIO m
                    )
                 => ManualMigration
                 -> ReaderT backend m (Maybe UTCTime)
-getMigrationTime = fmap (fmap appliedMigrationTime) . get . AppliedMigrationKey
+getMigrationTime = fmap (fmap appliedMigrationTime) . get . AppliedMigrationKey . toPathPiece
--- a/src/Model/Migration/Definitions.hs
+++ b/src/Model/Migration/Definitions.hs
@ -1,7 +1,9 @@
-- SPDX-FileCopyrightText: 2022-23 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Steffen Jost <jost@tcs.ifi.lmu.de>,Steffen Jost <s.jost@fraport.de>
+-- SPDX-FileCopyrightText: 2022-24 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Steffen Jost <jost@tcs.ifi.lmu.de>,Steffen Jost <s.jost@fraport.de>
 --
 -- SPDX-License-Identifier: AGPL-3.0-or-later

+{-# OPTIONS_GHC -fno-warn-unused-top-binds #-}
+
 module Model.Migration.Definitions
  ( ManualMigration(..)
  , migrateManual
@ -14,8 +16,8 @@ import Import.NoModel hiding (Max(..), Last(..))
 import Model
 import Model.Types.TH.PathPiece
 import Settings
-import Foundation.Type
-import Audit.Types
+-- import Foundation.Type
+-- import Audit.Types
 import qualified Model.Migration.Types as Legacy
 import qualified Data.Map as Map

@ -28,16 +30,14 @@ import qualified Data.Conduit.List as C
 import Database.Persist.Sql
 import Database.Persist.Sql.Raw.QQ

-import Text.Read (readMaybe)
+-- import Text.Read (readMaybe)

-import Network.IP.Addr
+-- import Network.IP.Addr

-import qualified Data.Char as Char
-import qualified Data.CaseInsensitive as CI
+-- import qualified Data.Char as Char
+-- import qualified Data.CaseInsensitive as CI

-import qualified Data.Aeson as Aeson
-
-import Data.Conduit.Algorithms.FastCDC (FastCDCParameters(fastCDCMinBlockSize))
+-- import qualified Data.Aeson as Aeson

 import Data.Time.Format.ISO8601 (iso8601Show)
 import Data.Time.Format
@ -47,53 +47,9 @@ import qualified Data.Time.Zones as TZ


 data ManualMigration
-  = Migration20180813SimplifyUserTheme
-  | Migration20180813SheetJSONB
-  | Migration20180823SchoolShorthandPrimaryKey
-  | Migration20180918SheetCorrectorLoadJSON
-  | Migration20180918UserSurnames
-  | Migration20180918SheetUploadMode
-  | Migration20180928UserAuthentication
-  | Migration20181011UserNotificationSettings
-  | Migration20181031SheetTypeRefactor
-  | Migration20181129EncodedSecretBoxes
-  | Migration20181130SheetTypeRefactor
-  | Migration20190319CourseParticipantField
-  | Migration20190320BetterStudyShorthands
-  | Migration20190421MixedSheetSubmissions
-  | Migration20190429Tutorials
-  | Migration20190515Exams
-  | Migration20190715ExamOccurrenceName
-  | Migration20190726UserFirstNamesTitles
-  | Migration20190806TransactionLogIds
-  | Migration20190828UserFunction
-  | Migration20190912UserDisplayEmail
-  | Migration20190916ExamPartNumber
-  | Migration20190918ExamRulesRefactor
-  | Migration20190919ExamBonusRounding
-  | Migration20191002FavouriteReason
-  | Migration20191125UserLanguages
-  | Migration20191126ExamPartCorrector
-  | Migration20191128StudyFeaturesSuperField
-  | Migration20200111ExamOccurrenceRuleRefactor
-  | Migration20200218ExamResultPassedGrade
-  | Migration20200218ExamGradingModeMixed
-  | Migration20200218ExternalExamGradingModeMixed
-  | Migration20200424SubmissionGroups
-  | Migration20200504CourseParticipantState
-  | Migration20200506SessionFile
-  | Migration20200627FileRefactor
-  | Migration20200825StudyFeaturesFirstObserved
-  | Migration20200902FileChunking
-  | Migration20200916ExamMode
-  | Migration20201106StoredMarkup
-  | Migration20201119RoomTypes
-  | Migration20210115ExamPartsFrom
-  | Migration20210208StudyFeaturesRelevanceCachedUUIDs
-  | Migration20210318CrontabSubmissionRatedNotification
-  | Migration20210608SeparateTermActive
-  | Migration20230524QualificationUserBlock
+  = Migration20230524QualificationUserBlock
  | Migration20230703LmsUserStatus
+  | Migration20240212InitInterfaceHealth        -- create table interface_health and fill with default values
  deriving (Eq, Ord, Read, Show, Enum, Bounded, Generic)
  deriving anyclass (Universe, Finite)

@ -141,6 +97,8 @@ migrateManual = do
    , ("idx_print_job_apc_ident"             ,"CREATE INDEX idx_print_job_apc_ident ON \"print_job\" (\"apc_ident\")")
    , ("idx_user_avs_card_person_id"         ,"CREATE INDEX idx_user_avs_card_person_id ON \"user_avs_card\" (\"person_id\")")
    , ("idx_lms_report_log_q_ident_time"     ,"CREATE INDEX idx_lms_report_log_q_ident_time ON \"lms_report_log\" (\"qualification\",\"ident\",\"timestamp\")")
+    , ("idx_user_company_company"            ,"CREATE INDEX idx_user_company_company ON \"user_company\" (\"company\")") -- composed index from unique cannot be used for frequently used filters on company
+    , ("idx_user_supervisor_user"            ,"CREATE INDEX idx_user_supervisor_user ON \"user_supervisor\" (\"user\")") -- composed index from unique cannot be used for frequently used filters on user
    ]
  where
    addIndex :: Text -> Sql -> Migration
@ -177,692 +135,10 @@ migrateAlwaysSafe = do

 customMigrations :: forall m.
                    ( MonadResource m
-                    , MonadReader UniWorX m
+                    -- , MonadReader UniWorX m
                    )
                 => Map ManualMigration (ReaderT SqlBackend m ())
 customMigrations = mapF $ \case
-  Migration20180813SimplifyUserTheme -> whenM (columnExists "user" "theme") $ do -- New theme format
-    userThemes <- [sqlQQ| SELECT "id", "theme" FROM "user"; |]
-    forM_ userThemes $ \(uid, Single str) -> case stripPrefix "theme--" str of
-      Just v
-        | Just theme <- fromPathPiece v -> update uid [UserTheme =. theme]
-      other -> error $ "Could not parse theme: " <> show other
-
-  Migration20180813SheetJSONB -> whenM (tableExists "sheet") -- Better JSON encoding
-    [executeQQ|
-      ALTER TABLE "sheet" ALTER COLUMN "type" TYPE jsonb USING "type"::jsonb;
-      ALTER TABLE "sheet" ALTER COLUMN "grouping" TYPE jsonb USING "grouping"::jsonb;
-    |]
-
-  Migration20180823SchoolShorthandPrimaryKey -> whenM (columnExists "school" "id") $ do -- SchoolId is the Shorthand CI Text now
-    -- Read old table into memory
-    schoolTable <- [sqlQQ| SELECT "id", "shorthand" FROM "school"; |]
-    let _sT = schoolTable :: [(Single Int64, Single (CI Text))] -- Types needed
-    -- Convert columns containing SchoolId
-    whenM (tableExists "user_admin") $ do
-        [executeQQ|
-          ALTER TABLE "user_admin" DROP CONSTRAINT "user_admin_school_fkey";
-          ALTER TABLE "user_admin" ALTER COLUMN "school" TYPE citext USING "school"::citext;
-          |]
-        forM_ schoolTable $ \(Single idnr, Single ssh) ->
-          [executeQQ|
-            UPDATE "user_admin" SET "school" = #{ssh} WHERE "school" = #{tshow idnr};
-          |]
-        [executeQQ|
-          ALTER TABLE "user_admin" ADD CONSTRAINT "user_admin_school_fkey"
-            FOREIGN KEY (school) REFERENCES school(shorthand);
-          |]
-    whenM (tableExists "user_lecturer") $ do
-        [executeQQ|
-          ALTER TABLE "user_lecturer" DROP CONSTRAINT "user_lecturer_school_fkey";
-          ALTER TABLE "user_lecturer" ALTER COLUMN "school" TYPE citext USING "school"::citext;
-          |]
-        forM_ schoolTable $ \(Single idnr, Single ssh) ->
-          [executeQQ|
-            UPDATE "user_lecturer" SET "school" = #{ssh} WHERE "school" = #{tshow idnr};
-          |]
-        [executeQQ|
-          ALTER TABLE "user_lecturer" ADD CONSTRAINT "user_lecturer_school_fkey"
-              FOREIGN KEY (school) REFERENCES school(shorthand);
-          |]
-    whenM (tableExists "course") $ do
-        [executeQQ|
-          ALTER TABLE "course" DROP CONSTRAINT "course_school_fkey";
-          ALTER TABLE "course" ALTER COLUMN "school" TYPE citext USING "school"::citext;
-          |]
-        forM_ schoolTable $ \(Single idnr, Single ssh) ->
-          [executeQQ|
-            UPDATE "course" SET "school" = #{ssh} WHERE "school" = #{tshow idnr};
-          |]
-        [executeQQ|
-          ALTER TABLE "course" ADD CONSTRAINT "course_school_fkey"
-              FOREIGN KEY (school) REFERENCES school(shorthand);
-          |]
-    [executeQQ|
-      ALTER TABLE "school" DROP COLUMN "id";
-      ALTER TABLE "school" ADD PRIMARY KEY (shorthand);
-    |]
-
-  Migration20180918SheetCorrectorLoadJSON -> whenM (tableExists "sheet_corrector") $ do -- Load is encoded as JSON now.
-    correctorLoads <- [sqlQQ| SELECT "id", "load" FROM "sheet_corrector"; |]
-    forM_ correctorLoads $ \(uid, Single str) -> case readMaybe str of
-      Just load -> update uid [SheetCorrectorLoad =. load]
-      _other -> error $ "Could not parse Load: " <> show str
-    [executeQQ|
-      ALTER TABLE "sheet_corrector" ALTER COLUMN "load" TYPE jsonb USING "load"::jsonb;
-    |]
-
-  Migration20180918UserSurnames -> whenM (tableExists "user") $ do
-    userDisplayNames <- [sqlQQ| SELECT "id", "display_name" FROM "user"; |]
-    [executeQQ|
-      ALTER TABLE "user" ADD COLUMN IF NOT EXISTS "surname" text DEFAULT '';
-    |]
-    forM_ userDisplayNames $ \(uid, Single str) -> case lastMaybe $ words str of
-      Just name -> update uid [UserSurname =. name]
-      _other    -> error "Empty userDisplayName found"
-
-  Migration20180918SheetUploadMode -> whenM (tableExists "sheet")
-    [executeQQ|
-      ALTER TABLE "sheet" ADD COLUMN IF NOT EXISTS "upload_mode" jsonb DEFAULT '{ "tag": "Upload", "unpackZips": true }';
-    |]
-
-  Migration20180928UserAuthentication -> whenM (columnExists "user" "plugin")
-    -- <> is standard sql for /=
-    [executeQQ|
-      DELETE FROM "user" WHERE "plugin" <> 'LDAP';
-      ALTER TABLE "user" DROP COLUMN "plugin";
-      ALTER TABLE "user" ADD COLUMN IF NOT EXISTS "authentication" jsonb DEFAULT '"ldap"';
-    |]
-
-  Migration20181011UserNotificationSettings -> whenM (tableExists "user")
-    [executeQQ|
-      ALTER TABLE "user" ADD COLUMN IF NOT EXISTS "notification_settings" jsonb NOT NULL DEFAULT '[]';
-    |]
-
-  Migration20181031SheetTypeRefactor -> whenM (tableExists "sheet") $ do
-    sheets <- [sqlQQ| SELECT "id", "type" FROM "sheet"; |]
-    forM_ sheets $ \(sid, Single lsty) -> update sid [SheetType =. Legacy.sheetType lsty]
-  
-  Migration20181129EncodedSecretBoxes -> whenM (tableExists "cluster_config")
-    [executeQQ|
-       UPDATE "cluster_config" SET "setting" = 'secret-box-key' WHERE "setting" = 'error-message-key';
-    |]
-
-  Migration20181130SheetTypeRefactor -> whenM (tableExists "sheet")
-    [executeQQ|
-       UPDATE "sheet" SET "type" = json_build_object('type', "type"->'type', 'grading', "type"->'') WHERE jsonb_exists("type", '');
-       UPDATE "sheet" SET "type" = json_build_object('type', "type"->'type', 'grading', json_build_object('type', "type"->'grading'->'type', 'max', "type"->'grading'->'points')) WHERE ("type"->'grading'->'type') = '"points"' AND jsonb_exists("type"->'grading', 'points');
-       UPDATE "sheet" SET "type" = json_build_object('type', "type"->'type', 'grading', json_build_object('type', "type"->'grading'->'type', 'max', "type"->'grading'->'points', 'passing', 0)) WHERE ("type"->'grading'->'type') = '"pass-points"' AND jsonb_exists("type"->'grading', 'points');
-    |]
-
-  Migration20190319CourseParticipantField -> whenM ((\a b c -> a && b && not c) <$> tableExists "study_features" <*> tableExists "course_participant" <*> columnExists "course_participant" "field") $ do
-    [executeQQ|
-      ALTER TABLE "course_participant" ADD COLUMN "field" bigint DEFAULT null REFERENCES study_features(id);
-      ALTER TABLE "study_features" ADD COLUMN IF NOT EXISTS "valid" boolean NOT NULL DEFAULT true;
-    |]
-    users <- [sqlQQ| SELECT DISTINCT ON ("user"."id") "user"."id", "study_features"."id" FROM "user", "study_features" WHERE "study_features"."user" = "user"."id" AND "study_features"."valid" AND "study_features"."type" = 'FieldPrimary' ORDER BY "user"."id", random(); |]
-    forM_ users $ \(uid :: UserId, sfid :: StudyFeaturesId) -> [executeQQ| UPDATE "course_participant" SET "field" = #{sfid} WHERE "user" = #{uid} AND "field" IS NULL; |]
-
-  Migration20190320BetterStudyShorthands -> do
-    whenM (columnExists "study_degree" "shorthand") [executeQQ| UPDATE "study_degree" SET "shorthand" = NULL WHERE "shorthand" = '' |]
-    whenM (columnExists "study_degree" "name") [executeQQ| UPDATE "study_degree" SET "name" = NULL WHERE "shorthand" = '' |]
-    whenM (columnExists "study_terms" "shorthand") [executeQQ| UPDATE "study_terms" SET "shorthand" = NULL WHERE "shorthand" = '' |]
-    whenM (columnExists "study_terms" "name") [executeQQ| UPDATE "study_terms" SET "name" = NULL WHERE "shorthand" = '' |]
-
-  Migration20190421MixedSheetSubmissions -> whenM ((&&) <$> columnExists "sheet" "upload_mode" <*> columnExists "sheet" "submission_mode") $ do
-    sheetModes <- [sqlQQ| SELECT "id", "upload_mode", "submission_mode" FROM "sheet"; |]
-    [executeQQ|
-      ALTER TABLE "sheet" DROP COLUMN "upload_mode";
-      ALTER TABLE "sheet" ALTER COLUMN "submission_mode" DROP DEFAULT;
-      ALTER TABLE "sheet" ALTER COLUMN "submission_mode" TYPE jsonb USING 'null'::jsonb;
-    |]
-    forM_ sheetModes $ \(shid :: SheetId, unSingle -> uploadMode :: Legacy.UploadMode, unSingle -> submissionMode :: Legacy.SheetSubmissionMode ) -> do
-      let submissionMode' = case (submissionMode, uploadMode) of
-            ( Legacy.NoSubmissions       , _                   ) -> SubmissionMode False Nothing
-            ( Legacy.CorrectorSubmissions, _                   ) -> SubmissionMode True Nothing
-            ( Legacy.UserSubmissions     , Legacy.NoUpload     ) -> SubmissionMode False (Just NoUpload)
-            ( Legacy.UserSubmissions     , Legacy.Upload True  ) -> SubmissionMode False (Just $ UploadAny True defaultExtensionRestriction True)
-            ( Legacy.UserSubmissions     , Legacy.Upload False ) -> SubmissionMode False (Just $ UploadAny False defaultExtensionRestriction True)
-      [executeQQ| UPDATE "sheet" SET "submission_mode" = #{submissionMode'} WHERE "id" = #{shid}; |]
-
-  Migration20190429Tutorials -> whenM ((&&) <$> tableExists "tutorial" <*> tableExists "tutorial_user") $ do -- Tutorials were an unused stub before
-    tableDropEmpty "tutorial"
-    tableDropEmpty "tutorial_user"
-
-  Migration20190515Exams -> whenM (tableExists "exam") $ -- Exams were an unused stub before
-    tableDropEmpty "exam"
-
-  Migration20190715ExamOccurrenceName -> whenM ((&&) <$> tableExists "exam_occurrence" <*> (not <$> columnExists "exam_occurrence" "name")) $ do
-    examOccurrences <- [sqlQQ| SELECT "id" FROM "exam_occurrence" ORDER BY "exam"; |]
-    [executeQQ|
-      ALTER TABLE "exam_occurrence" ADD COLUMN "name" citext DEFAULT null;
-    |]
-    forM_ (zip [0..] examOccurrences) $ \(n :: Natural, Single eoId :: Single ExamOccurrenceId) -> do
-      let name = [st|occ-#{tshow n}|]
-      [executeQQ| UPDATE "exam_occurrence" SET "name" = #{name} WHERE "id" = #{eoId} |]
-    [executeQQ|
-      ALTER TABLE "exam_occurrence" ALTER COLUMN "name" DROP DEFAULT;
-      ALTER TABLE "exam_occurrence" ALTER COLUMN "name" SET NOT NULL;
-    |]
-
-  Migration20190726UserFirstNamesTitles -> whenM (tableExists "user") $ do
-    [executeQQ|
-      ALTER TABLE "user" ADD COLUMN "first_name" text NOT NULL DEFAULT '';
-      ALTER TABLE "user" ADD COLUMN "title" text DEFAULT null;
-    |]
-    let getUsers = rawQuery [st|SELECT "id", "display_name", "surname" FROM "user"|] []
-        updateUser (uid, firstName) = [executeQQ|UPDATE "user" SET "first_name" = #{firstName} WHERE "id" = #{uid}|]
-        splitFirstName :: [PersistValue] -> Maybe (UserId, Text)
-        splitFirstName [fromPersistValue -> Right uid, fromPersistValue -> Right displayName, fromPersistValue -> Right surname] = Just . (uid, ) $ if
-          | Just givenName <- Text.stripSuffix surname displayName
-                          <|> Text.stripPrefix surname displayName
-            -> Text.strip givenName
-          | otherwise
-            -> Text.replace surname "…" displayName
-        splitFirstName _ = Nothing
-    runConduit $ getUsers .| C.mapMaybe splitFirstName .| C.mapM_ updateUser
-
-  Migration20190806TransactionLogIds -> whenM (tableExists "transaction_log") $ do
-    [executeQQ|
-      UPDATE transaction_log SET remote = null WHERE remote = #{IPv4 loopbackIP4 :: IP} OR remote = #{IPv6 loopbackIP6 :: IP}
-    |]
-
-    [executeQQ|
-      ALTER TABLE transaction_log ADD COLUMN "initiator_id" bigint DEFAULT null;
-    |]
-
-    whenM (tableExists "user")
-      [executeQQ|
-        UPDATE transaction_log SET initiator_id = "user".id FROM "user" WHERE transaction_log.initiator = "user".ident;
-      |]
-
-    [executeQQ|
-      ALTER TABLE transaction_log DROP COLUMN initiator;
-      ALTER TABLE transaction_log RENAME COLUMN initiator_id TO initiator;
-      ALTER TABLE transaction_log ALTER COLUMN initiator DROP DEFAULT;
-    |]
-
-    let getLogEntries = rawQuery [st|SELECT id, info FROM transaction_log|] []
-        updateTransactionInfo [fromPersistValue -> Right lid, fromPersistValue -> Right (oldT :: Legacy.Transaction)] = do
-          newT <- case oldT of
-            Legacy.TransactionTermEdit tid
-              -> return . Just . TransactionTermEdit $ TermKey tid
-            Legacy.TransactionExamRegister (TermKey -> tid) (SchoolKey -> ssh) csh examn uident
-              -> runMaybeT $ do
-                guardM . lift $ tablesExist ["user", "exam", "course"]
-
-                cid <- MaybeT . getKeyBy $ TermSchoolCourseShort tid ssh csh
-                eid <- MaybeT . getKeyBy $ UniqueExam cid examn
-                uid <- MaybeT . getKeyBy $ UniqueAuthentication uident
-                return $ TransactionExamRegister eid uid
-            Legacy.TransactionExamDeregister (TermKey -> tid) (SchoolKey -> ssh) csh examn uident
-              -> runMaybeT $ do
-                guardM . lift $ tablesExist ["user", "exam", "course"]
-
-                cid <- MaybeT . getKeyBy $ TermSchoolCourseShort tid ssh csh
-                eid <- MaybeT . getKeyBy $ UniqueExam cid examn
-                uid <- MaybeT . getKeyBy $ UniqueAuthentication uident
-                return $ TransactionExamRegister eid uid
-          whenIsJust newT $ \newT' ->
-            update lid [ TransactionLogInfo =. toJSON newT' ]
-        updateTransactionInfo _ = return ()
-    runConduit $ getLogEntries .| C.mapM_ updateTransactionInfo
-
-  Migration20190828UserFunction -> do
-    [executeQQ|
-      CREATE TABLE IF NOT EXISTS "user_function" ( "id" serial8 primary key, "user" bigint, "school" citext, "function" text );
-    |]
-
-    whenM (tableExists "user_admin") $ do
-      let getAdminEntries = rawQuery [st|SELECT user_admin.id, user_admin.user, user_admin.school FROM user_admin;|] []
-          moveAdminEntry [fromPersistValue -> Right (eId :: Int64), fromPersistValue -> Right (uid :: UserId), fromPersistValue -> Right (sid :: SchoolId)] =
-            [executeQQ|
-              INSERT INTO "user_function" ("user", "school", "function") VALUES (#{uid}, #{sid}, #{SchoolAdmin});
-              DELETE FROM "user_admin" WHERE "id" = #{eId};
-            |]
-          moveAdminEntry _ = return ()
-      runConduit $ getAdminEntries .| C.mapM_ moveAdminEntry
-      tableDropEmpty "user_admin"
-    whenM (tableExists "user_lecturer") $ do
-      let getLecturerEntries = rawQuery [st|SELECT user_lecturer.id, user_lecturer.user, user_lecturer.school FROM user_lecturer;|] []
-          moveLecturerEntry [fromPersistValue -> Right (eId :: Int64), fromPersistValue -> Right (uid :: UserId), fromPersistValue -> Right (sid :: SchoolId)] =
-            [executeQQ|
-              INSERT INTO "user_function" ("user", "school", "function") VALUES (#{uid}, #{sid}, #{SchoolLecturer});
-              DELETE FROM "user_lecturer" WHERE "id" = #{eId};
-            |]
-          moveLecturerEntry _ = return ()
-      runConduit $ getLecturerEntries .| C.mapM_ moveLecturerEntry
-      tableDropEmpty "user_lecturer"
-    whenM (tableExists "invitation") $ do
-      [executeQQ|
-        DELETE FROM "invitation" WHERE "for"->'junction' = '"UserLecturer"';
-      |]
-
-  Migration20190912UserDisplayEmail -> whenM (tableExists "user") $ do
-    [executeQQ|
-      ALTER TABLE "user" ADD COLUMN IF NOT EXISTS "display_email" citext;
-      UPDATE "user" SET "display_email" = "email" WHERE "display_email" IS NULL;
-      ALTER TABLE "user" ALTER COLUMN "display_email" SET NOT NULL;
-    |]
-
-  Migration20190916ExamPartNumber -> whenM (tableExists "exam_part") $ do
-    [executeQQ|
-      ALTER TABLE "exam_part" ADD COLUMN IF NOT EXISTS "number" citext;
-    |]
-
-    let getExamEntries = rawQuery [st|SELECT DISTINCT exam FROM exam_part ORDER BY exam;|] []
-        renameExamParts [fromPersistValue -> Right (eId :: ExamId)] = do
-          partNames' <- [sqlQQ|SELECT id, name FROM "exam_part" WHERE exam = #{eId};|]
-          let
-            partNames :: [(ExamPartId, ExamPartName)]
-            partNames = foldMap (\(Single epId, Single pName) -> singletonMap epId pName) partNames'
-
-            partsSorted = partNames
-              & sortOn ( map (\x -> maybe (Left x) Right (readMay x :: Maybe Integer))
-                       . groupBy ((==) `on` Char.isDigit)
-                       . CI.foldedCase
-                       . snd
-                       )
-              & map fst
-          forM_ (zip [_ExamPartNumber' # 1..] partsSorted) $ \(num :: ExamPartNumber, pId) ->
-            [executeQQ|
-              UPDATE "exam_part" SET "number" = #{num} WHERE "id" = #{pId};
-            |]
-        renameExamParts _ = return ()
-    runConduit $ getExamEntries .| C.mapM_ renameExamParts
-
-  Migration20190918ExamRulesRefactor -> whenM (tableExists "exam") $ do
-    oldVersion <- columnExists "exam" "grading_key"
-    if
-      | oldVersion -> do
-        -- Major changes happend to the structure of exams without appropriate
-        -- migration, try to remedy that here
-        tableDropEmpty "exam_part_corrector"
-        tableDropEmpty "exam_corrector"
-        tableDropEmpty "exam_result"
-        tableDropEmpty "exam_registration"
-        tableDropEmpty "exam_occurrence"
-        tableDropEmpty "exam_part"
-        tableDropEmpty "exam"
-      | otherwise ->
-        [executeQQ|
-          ALTER TABLE "exam" ALTER COLUMN "grading_rule" DROP NOT NULL;
-          ALTER TABLE "exam" ALTER COLUMN "bonus_rule" DROP NOT NULL;
-          ALTER TABLE "exam" ALTER COLUMN "occurrence_rule" DROP NOT NULL;
-
-          UPDATE "exam" SET "grading_rule" = NULL WHERE "grading_rule"->>'rule' = 'manual';
-          UPDATE "exam" SET "bonus_rule" = NULL WHERE "bonus_rule"->>'rule' = 'no-bonus';
-          UPDATE "exam" SET "occurrence_rule" = NULL WHERE "occurrence_rule" = '"manual"';
-
-          UPDATE "exam" SET "occurrence_rule" = json_build_object('rule', "occurrence_rule");
-        |]
-
-  Migration20190919ExamBonusRounding -> whenM (tableExists "exam")
-    [executeQQ|
-      UPDATE "exam" SET "bonus_rule" = jsonb_insert("bonus_rule", '{round}' :: text[], '0.01' :: jsonb) WHERE "bonus_rule"->>'rule' = 'bonus-points';
-    |]
-
-  Migration20191002FavouriteReason -> whenM (tableExists "course_favourite")
-    [executeQQ|
-      ALTER TABLE "course_favourite" RENAME COLUMN "time" TO "last_visit";
-      ALTER TABLE "course_favourite" ADD COLUMN "reason" jsonb DEFAULT '"visited"'::jsonb;
-    |]
-
-  Migration20191125UserLanguages -> whenM (tableExists "user")
-    [executeQQ|
-      ALTER TABLE "user" ADD COLUMN "languages" jsonb;
-      UPDATE "user" SET "languages" = "mail_languages" where "mail_languages" <> '[]';
-      ALTER TABLE "user" DROP COLUMN "mail_languages";
-    |]
-
-  Migration20191126ExamPartCorrector -> whenM (tableExists "exam_part_corrector") $
-    tableDropEmpty "exam_part_corrector"
-
-  Migration20191128StudyFeaturesSuperField -> whenM (tableExists "study_features")
-    [executeQQ|
-      ALTER TABLE "study_features" ADD COLUMN "super_field" bigint;
-      UPDATE "study_features" SET "super_field" = "field", "field" = "sub_field" WHERE NOT ("sub_field" IS NULL);
-      ALTER TABLE "study_features" DROP COLUMN "sub_field";
-    |]
-
-  Migration20200111ExamOccurrenceRuleRefactor -> whenM (tableExists "exam")
-    [executeQQ|
-      UPDATE "exam" SET "occurrence_rule" = #{ExamRoomManual} WHERE "occurrence_rule" IS NULL;
-      ALTER TABLE "exam" ALTER COLUMN "occurrence_rule" SET NOT NULL;
-    |]
-
-  Migration20200218ExamResultPassedGrade -> whenM ((&&) <$> tableExists "exam" <*> tableExists "exam_result") $ do
-    queryRes <- [sqlQQ|SELECT exam_result.id, exam_result.result FROM exam_result INNER JOIN exam ON exam_result.exam = exam.id WHERE NOT exam.show_grades;|]
-    forM_ queryRes $ \(resId :: ExamResultId, Single (res :: ExamResultGrade)) ->
-      let res' :: ExamResultPassedGrade
-          res' = Left . view passingGrade <$> res
-       in [executeQQ|UPDATE exam_result SET result = #{res'} WHERE id = #{resId};|]
-
-  Migration20200218ExamGradingModeMixed -> whenM (tableExists "exam")
-    [executeQQ|
-      ALTER TABLE "exam" ADD COLUMN "grading_mode" character varying;
-      UPDATE "exam" SET "grading_mode" = 'grades' WHERE "show_grades";
-      UPDATE "exam" SET "grading_mode" = 'pass' WHERE NOT "show_grades";
-      ALTER TABLE "exam" DROP COLUMN "show_grades";
-      ALTER TABLE "exam" ALTER COLUMN "grading_mode" SET NOT NULL;
-    |]
-
-  Migration20200218ExternalExamGradingModeMixed -> whenM (tableExists "external_exam")
-    [executeQQ|
-      ALTER TABLE "external_exam" ADD COLUMN "grading_mode" character varying;
-      UPDATE "external_exam" SET "grading_mode" = 'grades' WHERE "show_grades";
-      UPDATE "external_exam" SET "grading_mode" = 'pass' WHERE NOT "show_grades";
-      ALTER TABLE "external_exam" DROP COLUMN "show_grades";
-      ALTER TABLE "external_exam" ALTER COLUMN "grading_mode" SET NOT NULL;
-    |]
-
-  Migration20200424SubmissionGroups -> do
-    whenM (tableExists "submission_group") $
-      tableDropEmpty "submission_group"
-    whenM (tableExists "submission_group_edit") $
-      tableDropEmpty "submission_group_edit"
-
-  Migration20200504CourseParticipantState -> whenM (tableExists "course_participant") $ do
-    [executeQQ|
-      ALTER TABLE "course_participant" ADD COLUMN "state" text NOT NULL DEFAULT 'active';
-      ALTER TABLE "course_participant" ALTER COLUMN "state" DROP DEFAULT;
-    |]
-    let getAuditLog = rawQuery [st|SELECT DISTINCT ON ("info") "info", max("time") FROM "transaction_log" GROUP BY "info" ORDER BY "info";|] []
-        ensureParticipant :: [PersistValue] -> ReaderT SqlBackend m ()
-        ensureParticipant [fmap Aeson.fromJSON . fromPersistValue -> Right (Aeson.Success TransactionCourseParticipantEdit{..}), fromPersistValue -> Right (time :: UTCTime)] = do
-          whenM (existsKey transactionCourse `and2M` existsKey transactionUser)
-            [executeQQ|INSERT INTO "course_participant" ("course", "user", "registration", "state") VALUES (#{transactionCourse}, #{transactionUser}, #{time}, #{CourseParticipantInactive False}) ON CONFLICT DO NOTHING;|]
-        ensureParticipant _ = return ()
-    runConduit $ getAuditLog .| C.mapM_ ensureParticipant
-
-  Migration20200506SessionFile -> whenM (tableExists "session_file") $
-    tableDropEmpty "session_file"
-
-  Migration20200627FileRefactor -> whenM (tableExists "file") $ do
-    [executeQQ|
-      ALTER TABLE "file" ADD COLUMN "hash" BYTEA;
-      UPDATE "file" SET "hash" = digest("content", 'sha3-512');
-    |]
-
-    let
-      migrateFromFile :: forall fRef.
-                         ( HasFileReference fRef
-                         , PersistRecordBackend fRef SqlBackend
-                         )
-                      => ([PersistValue] -> (Key fRef, FileReferenceResidual fRef))
-                      -> (Entity fRef -> ReaderT SqlBackend m ())
-                      -> [PersistValue]
-                      -> ReaderT SqlBackend m ()
-      migrateFromFile toResidual doUpdate ((fromPersistValue -> Right (fId :: Int64)):rest) = do
-        let (fRefKey, residual) = toResidual rest
-        fileDat <- [sqlQQ|
-          SELECT "file".title, "file".modified, "file".hash FROM "file" WHERE "id" = #{fId};
-        |]
-        forM_ fileDat $ \case
-          (fromPersistValue . unSingle -> Right (fileReferenceTitle' :: FilePath), fromPersistValue . unSingle -> Right fileReferenceModified, fromPersistValue . unSingle -> Right fileReferenceContent) -> do
-            let fileRef fileReferenceTitle = _FileReference # (FileReference{..}, residual)
-                candidateTitles = fileReferenceTitle' : [ fName <.> ("old-" <> show n) <.> ext | n <- [1..1000] ]
-                  where (fName, ext) = splitExtension fileReferenceTitle'
-            validTitles <- dropWhileM (fmap (is _Just) . checkUnique . fileRef) candidateTitles
-            case validTitles of
-              fTitle : _ -> doUpdate . Entity fRefKey $ fileRef fTitle
-              _other -> error "Could not make validTitle"
-          _other -> return ()
-      migrateFromFile _ _ _ = return ()
-
-    whenM (tableExists "submission_file") $ do
-      [executeQQ|
-        ALTER TABLE "submission_file" ADD COLUMN "title" VARCHAR;
-        ALTER TABLE "submission_file" ADD COLUMN "content" BYTEA NULL;
-        ALTER TABLE "submission_file" ADD COLUMN "modified" TIMESTAMP WITH TIME ZONE;
-        ALTER TABLE "submission_file" DROP CONSTRAINT "unique_submission_file";
-        ALTER TABLE "submission_file" ADD CONSTRAINT "unique_submission_file" UNIQUE("submission", "title", "is_update");
-      |]
-      let getSubmissionFiles = [queryQQ|SELECT "file", "submission_file"."id", "submission", "is_update", "is_deletion" FROM "submission_file" LEFT OUTER JOIN "file" ON "submission_file"."file" = "file".id ORDER BY "file"."modified" DESC;|]
-          toResidual [ fromPersistValue -> Right sfId
-                     , fromPersistValue -> Right submissionFileResidualSubmission
-                     , fromPersistValue -> Right submissionFileResidualIsUpdate
-                     , fromPersistValue -> Right submissionFileResidualIsDeletion
-                     ]
-                     = (sfId, SubmissionFileResidual{..})
-          toResidual _ = error "Could not convert SubmissionFile to residual"
-      runConduit $ getSubmissionFiles .| C.mapM_ (migrateFromFile @SubmissionFile toResidual replaceEntity)
-      [executeQQ|
-        ALTER TABLE "submission_file" DROP COLUMN "file";
-      |]
-
-    whenM (tableExists "sheet_file") $ do
-      [executeQQ|
-        ALTER TABLE "sheet_file" ADD COLUMN "title" VARCHAR;
-        ALTER TABLE "sheet_file" ADD COLUMN "content" BYTEA NULL;
-        ALTER TABLE "sheet_file" ADD COLUMN "modified" TIMESTAMP WITH TIME ZONE;
-        ALTER TABLE "sheet_file" DROP CONSTRAINT "unique_sheet_file";
-        ALTER TABLE "sheet_file" ADD CONSTRAINT "unique_sheet_file" UNIQUE("sheet", "type", "title");
-      |]
-      let getSheetFiles = [queryQQ|SELECT "file", "sheet_file"."id", "sheet", "type" FROM "sheet_file" LEFT OUTER JOIN "file" ON "sheet_file"."file" = "file".id ORDER BY "file"."modified" DESC;|]
-          toResidual [ fromPersistValue -> Right shfId
-                     , fromPersistValue -> Right sheetFileResidualSheet
-                     , fromPersistValue -> Right sheetFileResidualType
-                     ]
-                     = (shfId, SheetFileResidual{..})
-          toResidual _ = error "Could not convert SheetFile to residual"
-      runConduit $ getSheetFiles .| C.mapM_ (migrateFromFile @SheetFile toResidual replaceEntity)
-      [executeQQ|
-        ALTER TABLE "sheet_file" DROP COLUMN "file";
-      |]
-
-    whenM (tableExists "course_news_file") $ do
-      [executeQQ|
-        ALTER TABLE "course_news_file" ADD COLUMN "title" VARCHAR;
-        ALTER TABLE "course_news_file" ADD COLUMN "content" BYTEA NULL;
-        ALTER TABLE "course_news_file" ADD COLUMN "modified" TIMESTAMP WITH TIME ZONE;
-        ALTER TABLE "course_news_file" DROP CONSTRAINT "unique_course_news_file";
-        ALTER TABLE "course_news_file" ADD CONSTRAINT "unique_course_news_file" UNIQUE("news", "title");
-      |]
-      let getCourseNewsFiles = [queryQQ|SELECT "file", "course_news_file"."id", "news" FROM "course_news_file" LEFT OUTER JOIN "file" ON "course_news_file"."file" = "file".id ORDER BY "file"."modified" DESC;|]
-          toResidual [ fromPersistValue -> Right cnfId
-                     , fromPersistValue -> Right courseNewsFileResidualNews
-                     ]
-                     = (cnfId, CourseNewsFileResidual{..})
-          toResidual _ = error "Could not convert CourseNewsFile to residual"
-      runConduit $ getCourseNewsFiles .| C.mapM_ (migrateFromFile @CourseNewsFile toResidual replaceEntity)
-      [executeQQ|
-        ALTER TABLE "course_news_file" DROP COLUMN "file";
-      |]
-
-    whenM (tableExists "material_file") $ do
-      [executeQQ|
-        ALTER TABLE "material_file" ADD COLUMN "title" VARCHAR;
-        ALTER TABLE "material_file" ADD COLUMN "content" BYTEA NULL;
-        ALTER TABLE "material_file" ADD COLUMN "modified" TIMESTAMP WITH TIME ZONE;
-        ALTER TABLE "material_file" DROP CONSTRAINT "unique_material_file";
-        ALTER TABLE "material_file" ADD CONSTRAINT "unique_material_file" UNIQUE("material", "title");
-      |]
-      let getMaterialFiles = [queryQQ|SELECT "file", "material_file"."id", "material" FROM "material_file" LEFT OUTER JOIN "file" ON "material_file"."file" = "file".id ORDER BY "file"."modified" DESC;|]
-          toResidual [ fromPersistValue -> Right shfId
-                     , fromPersistValue -> Right materialFileResidualMaterial
-                     ]
-                     = (shfId, MaterialFileResidual{..})
-          toResidual _ = error "Could not convert MaterialFile to residual"
-      runConduit $ getMaterialFiles .| C.mapM_ (migrateFromFile @MaterialFile toResidual replaceEntity)
-      [executeQQ|
-        ALTER TABLE "material_file" DROP COLUMN "file";
-      |]
-
-    whenM (tableExists "session_file")
-      [executeQQ|
-        ALTER TABLE "session_file" ADD COLUMN "content" BYTEA;
-        UPDATE "session_file" SET "content" = (SELECT "hash" FROM "file" WHERE "file".id = "session_file"."file");
-        ALTER TABLE "session_file" DROP COLUMN "file";
-      |]
-
-    [executeQQ|
-      ALTER TABLE "file" RENAME TO "file_content";
-      DELETE FROM "file_content" WHERE "content" IS NULL OR "hash" IS NULL;
-    |]
-    [executeQQ|
-      DELETE FROM "file_content"
-      WHERE "id" IN (
-          SELECT
-              "id"
-          FROM (
-              SELECT
-                  "id",
-                  ROW_NUMBER() OVER w AS rnum
-              FROM "file_content"
-              WINDOW w AS (
-                  PARTITION BY "hash"
-                  ORDER BY "id"
-              )
-          ) as t
-      WHERE t.rnum > 1);
-    |]
-    [executeQQ|
-      ALTER TABLE "file_content" DROP COLUMN "title";
-      ALTER TABLE "file_content" DROP COLUMN "modified";
-      ALTER TABLE "file_content" DROP COLUMN "id";
-    |]
-
-  Migration20200825StudyFeaturesFirstObserved -> whenM (tableExists "study_features")
-    [executeQQ|
-      ALTER TABLE study_features RENAME updated TO last_observed;
-      ALTER TABLE study_features ADD COLUMN first_observed timestamp with time zone;
-      UPDATE study_features SET first_observed = (SELECT MAX(last_observed) FROM study_features as other WHERE other."user" = study_features."user" AND other.degree = study_features.degree AND other.field = study_features.field AND other.type = study_features.type AND other.semester = study_features.semester - 1);
-    |]
-
-  Migration20200902FileChunking -> whenM (tableExists "file_content") $ do
-    chunkingParams <- lift $ view _appFileChunkingParams
-
-    [executeQQ|
-      ALTER TABLE file_content RENAME TO file_content_chunk;
-      ALTER INDEX file_content_pkey RENAME TO file_content_chunk_pkey;
-
-      CREATE TABLE file_content_chunk_unreferenced (id bigserial, hash bytea NOT NULL, since timestamp with time zone NOT NULL);
-      INSERT INTO file_content_chunk_unreferenced (since, hash) (SELECT unreferenced_since as since, hash FROM file_content_chunk WHERE NOT (unreferenced_since IS NULL));
-      ALTER TABLE file_content_chunk DROP COLUMN unreferenced_since;
-
-      ALTER TABLE file_content_chunk ADD COLUMN content_based boolean NOT NULL DEFAULT false;
-      UPDATE file_content_chunk SET content_based = true WHERE length(content) <= #{fastCDCMinBlockSize chunkingParams};
-
-      CREATE TABLE file_content_entry (id bigserial NOT NULL PRIMARY KEY, hash bytea NOT NULL, ix bigint NOT NULL, chunk_hash bytea NOT NULL);
-      INSERT INTO file_content_entry (hash, chunk_hash, ix) (SELECT hash, hash as chunk_hash, 0 as ix FROM file_content_chunk);
-    |]
-
-  Migration20200916ExamMode -> do
-    whenM (tableExists "exam")
-      [executeQQ|
-        ALTER TABLE exam ADD COLUMN "exam_mode" jsonb NOT NULL DEFAULT #{ExamMode Nothing Nothing Nothing Nothing};
-      |]
-    whenM (tableExists "school")
-      [executeQQ|
-        ALTER TABLE school ADD COLUMN "exam_discouraged_modes" jsonb NOT NULL DEFAULT #{ExamModeDNF predDNFFalse};
-      |]
-
-  Migration20201106StoredMarkup ->
-    [executeQQ|
-      SET client_min_messages TO WARNING;
-      ALTER TABLE IF EXISTS ^{Course} ALTER COLUMN @{CourseDescription} TYPE jsonb USING (CASE WHEN @{CourseDescription} IS NOT NULL THEN to_json(@{CourseDescription}) ELSE NULL END);
-      ALTER TABLE IF EXISTS ^{CourseEvent} ALTER COLUMN @{CourseEventNote} TYPE jsonb USING (CASE WHEN @{CourseEventNote} IS NOT NULL THEN to_json(@{CourseEventNote}) ELSE NULL END);
-      ALTER TABLE IF EXISTS ^{CourseUserNote} ALTER COLUMN @{CourseUserNoteNote} TYPE jsonb USING (CASE WHEN @{CourseUserNoteNote} IS NOT NULL THEN to_json(@{CourseUserNoteNote}) ELSE NULL END);
-      ALTER TABLE IF EXISTS ^{Material} ALTER COLUMN @{MaterialDescription} TYPE jsonb USING (CASE WHEN @{MaterialDescription} IS NOT NULL THEN to_json(@{MaterialDescription}) ELSE NULL END);
-      ALTER TABLE IF EXISTS ^{CourseNews} ALTER COLUMN @{CourseNewsContent} TYPE jsonb USING (CASE WHEN @{CourseNewsContent} IS NOT NULL THEN to_json(@{CourseNewsContent}) ELSE NULL END);
-      ALTER TABLE IF EXISTS ^{CourseNews} ALTER COLUMN @{CourseNewsSummary} TYPE jsonb USING (CASE WHEN @{CourseNewsSummary} IS NOT NULL THEN to_json(@{CourseNewsSummary}) ELSE NULL END);
-      ALTER TABLE IF EXISTS ^{Exam} ALTER COLUMN @{ExamDescription} TYPE jsonb USING (CASE WHEN @{ExamDescription} IS NOT NULL THEN to_json(@{ExamDescription}) ELSE NULL END);
-      ALTER TABLE IF EXISTS ^{ExamOccurrence} ALTER COLUMN @{ExamOccurrenceDescription} TYPE jsonb USING (CASE WHEN @{ExamOccurrenceDescription} IS NOT NULL THEN to_json(@{ExamOccurrenceDescription}) ELSE NULL END);
-      ALTER TABLE IF EXISTS ^{Sheet} ALTER COLUMN @{SheetDescription} TYPE jsonb USING (CASE WHEN @{SheetDescription} IS NOT NULL THEN to_json(@{SheetDescription}) ELSE NULL END);
-      ALTER TABLE IF EXISTS ^{Sheet} ALTER COLUMN @{SheetMarkingText} TYPE jsonb USING (CASE WHEN @{SheetMarkingText} IS NOT NULL THEN to_json(@{SheetMarkingText}) ELSE NULL END);
-      ALTER TABLE IF EXISTS ^{SystemMessage} ALTER COLUMN @{SystemMessageContent} TYPE jsonb USING (CASE WHEN @{SystemMessageContent} IS NOT NULL THEN to_json(@{SystemMessageContent}) ELSE NULL END);
-      ALTER TABLE IF EXISTS ^{SystemMessage} ALTER COLUMN @{SystemMessageSummary} TYPE jsonb USING (CASE WHEN @{SystemMessageSummary} IS NOT NULL THEN to_json(@{SystemMessageSummary}) ELSE NULL END);
-      ALTER TABLE IF EXISTS ^{SystemMessageTranslation} ALTER COLUMN @{SystemMessageTranslationContent} TYPE jsonb USING (CASE WHEN @{SystemMessageTranslationContent} IS NOT NULL THEN to_json(@{SystemMessageTranslationContent}) ELSE NULL END);
-      ALTER TABLE IF EXISTS ^{SystemMessageTranslation} ALTER COLUMN @{SystemMessageTranslationSummary} TYPE jsonb USING (CASE WHEN @{SystemMessageTranslationSummary} IS NOT NULL THEN to_json(@{SystemMessageTranslationSummary}) ELSE NULL END);
-      SET client_min_messages TO NOTICE;
-    |]
-
-  Migration20201119RoomTypes -> do
-    whenM (tableExists "exam_occurrence") $ do
-      [executeQQ|ALTER TABLE "exam_occurrence" ADD COLUMN "room_json" jsonb|]
-      let getExamOccurrences = [queryQQ|SELECT "id", "room" FROM "exam_occurrence"|]
-          migrateExamOccurrence [ fromPersistValue -> Right (eoId :: ExamOccurrenceId), fromPersistValue -> Right roomText ] = [executeQQ|UPDATE "exam_occurrence" SET "room_json" = #{RoomReferenceSimple roomText} WHERE "id" = #{eoId}|]
-          migrateExamOccurrence _ = return ()
-       in runConduit $ getExamOccurrences .| C.mapM_ migrateExamOccurrence
-      [executeQQ|
-        ALTER TABLE "exam_occurrence" DROP COLUMN "room";
-        ALTER TABLE "exam_occurrence" RENAME COLUMN "room_json" TO "room";
-      |]
-    whenM (tableExists "tutorial") $ do
-      [executeQQ|ALTER TABLE "tutorial" ADD COLUMN "room_json" jsonb|]
-      let getTutorials = [queryQQ|SELECT "id", "room" FROM "tutorial"|]
-          migrateTutorial [ fromPersistValue -> Right (tutId :: TutorialId), fromPersistValue -> Right roomText ] = [executeQQ|UPDATE "tutorial" SET "room_json" = #{RoomReferenceSimple roomText} WHERE "id" = #{tutId}|]
-          migrateTutorial _ = return ()
-       in runConduit $ getTutorials .| C.mapM_ migrateTutorial
-      [executeQQ|
-        ALTER TABLE "tutorial" DROP COLUMN "room";
-        ALTER TABLE "tutorial" RENAME COLUMN "room_json" TO "room";
-      |]
-    whenM (tableExists "course_event") $ do
-      [executeQQ|ALTER TABLE "course_event" ADD COLUMN "room_json" jsonb|]
-      let getCourseEvents = [queryQQ|SELECT "id", "room" FROM "course_event"|]
-          migrateCourseEvent [ fromPersistValue -> Right (ceId :: CourseEventId), fromPersistValue -> Right roomText ] = [executeQQ|UPDATE "course_event" SET "room_json" = #{RoomReferenceSimple roomText} WHERE "id" = #{ceId}|]
-          migrateCourseEvent _ = return ()
-       in runConduit $ getCourseEvents .| C.mapM_ migrateCourseEvent
-      [executeQQ|
-        ALTER TABLE "course_event" DROP COLUMN "room";
-        ALTER TABLE "course_event" RENAME COLUMN "room_json" TO "room";
-      |]
-    whenM (tableExists "course") $ do
-      let getCourses = [queryQQ|SELECT "id", "link_external" FROM "course"|]
-          migrateCourse [ fromPersistValue -> Right (cId :: CourseId), fromPersistValue -> Right (uriText :: Maybe Text) ]
-            | Just uri <- parseURI . unpack =<< uriText = [executeQQ|UPDATE "course" SET "link_external" = #{uri} WHERE "id" = #{cId}|]
-            | otherwise = [executeQQ|UPDATE "course" SET "link_external" = NULL WHERE "id" = #{cId}|]
-          migrateCourse _ = return ()
-       in runConduit $ getCourses .| C.mapM_ migrateCourse
-
-  Migration20210115ExamPartsFrom -> do
-    whenM (tableExists "exam") $ do
-      [executeQQ|ALTER TABLE "exam" ADD COLUMN "parts_from" timestamp with time zone|]
-      let getExam = [queryQQ|SELECT "id", "finished" FROM "exam"|]
-          migrateExam [ fromPersistValue -> Right (eId :: ExamId), fromPersistValue -> Right (finished :: Maybe UTCTime) ] = [executeQQ|UPDATE "exam" SET "parts_from" = #{finished} WHERE "id" = #{eId}|]
-          migrateExam _ = return ()
-       in runConduit $ getExam .| C.mapM_ migrateExam
-
-  Migration20210208StudyFeaturesRelevanceCachedUUIDs ->
-    whenM (tableExists "study_features") $ do
-      [executeQQ|
-        ALTER TABLE "study_features" ADD COLUMN "relevance_cached_uuid" uuid
-      |]
-
-      let getStudyFeatures = [queryQQ|SELECT "id" FROM "study_features" WHERE relevance_cached|]
-          migrateStudyFeatures genUUID lift' [ fromPersistValue -> Right (sfId :: StudyFeaturesId) ] = do
-            uuid <- genUUID
-            lift' [executeQQ|UPDATE "study_features" SET "relevance_cached_uuid" = #{uuid} WHERE "id" = #{sfId}|]
-          migrateStudyFeatures _ _ _ = return ()
-       in runConduit $ getStudyFeatures .| randUUIDC (\genUUID lift' -> C.mapM_ $ migrateStudyFeatures genUUID lift')
-
-      [executeQQ|
-        ALTER TABLE "study_features" DROP COLUMN "relevance_cached";
-        ALTER TABLE "study_features" RENAME COLUMN "relevance_cached_uuid" TO "relevance_cached";
-      |]
-
-  -- Placeholder to inform crontab generation when switchover happened so old submissions don't get notified as corrected
-  Migration20210318CrontabSubmissionRatedNotification -> return ()
-
-  Migration20210608SeparateTermActive -> do
-    now <- liftIO getCurrentTime
-
-    whenM (and2M (tableExists "term") (not <$> tableExists "term_active")) $ do
-      [executeQQ|
-        CREATE TABLE "term_active" ("id" SERIAL8 PRIMARY KEY UNIQUE, "term" numeric(5,1) NOT NULL, "from" timestamp with time zone NOT NULL)
-      |]
-
-      let getTerms = [queryQQ|SELECT "name", "active" FROM "term"|]
-          migrateTerms [ fromPersistValue -> Right (tid :: TermId), fromPersistValue -> Right (isActive :: Bool) ] = when isActive
-            [executeQQ|INSERT INTO term_active (term, "from") VALUES (#{tid}, #{now})|]
-          migrateTerms _ = return ()
-       in runConduit $ getTerms .| C.mapM_ migrateTerms
-
-      [executeQQ|
-        ALTER TABLE "term" DROP COLUMN "active";
-      |]

  Migration20230524QualificationUserBlock ->
    whenM (andM [ not <$> tableExists "qualification_user_block"
@ -902,6 +178,25 @@ customMigrations = mapF $ \case
        ;  
      |]

+  Migration20240212InitInterfaceHealth ->
+    unlessM (tableExists "interface_health") $ do -- fill health table with some defaults
+      [executeQQ|
+        CREATE TABLE "interface_health"
+          ( id BIGSERIAL NOT NULL 
+          , interface CHARACTER VARYING NOT NULL 
+          , subtype   CHARACTER VARYING 
+          , write     BOOLEAN 
+          , hours     BIGINT NOT NULL 
+          , PRIMARY KEY(id) 
+          , CONSTRAINT unique_interface_health UNIQUE(interface, subtype, write) 
+          ); 
+        INSERT INTO "interface_health" ("interface", "subtype", "write", "hours") 
+        VALUES 
+            ('Printer', 'Acknowledge', True, 168) 
+          , ('AVS'    , 'Synch'      , True , 96) 
+        ON CONFLICT DO NOTHING; 
+      |]    
+

 tableExists :: MonadIO m => Text -> ReaderT SqlBackend m Bool
 tableExists table = do
--- a/src/Model/Types/Common.hs
+++ b/src/Model/Types/Common.hs
@ -42,7 +42,8 @@ type SchoolName           = CI Text
 type SchoolShorthand      = CI Text

 type CompanyName          = CI Text
-type CompanyShorthand     = CI Text 
+type CompanyShorthand     = CI Text
+type Companies            = [CI Text]

 type CourseName           = CI Text
 type CourseShorthand      = CI Text
--- a/src/Model/Types/Markup.hs
+++ b/src/Model/Types/Markup.hs
@ -50,6 +50,13 @@ data StoredMarkup = StoredMarkup
  deriving (Read, Show, Generic)
  deriving anyclass (Binary, Hashable, NFData)

+instance Canonical (Maybe StoredMarkup) where
+  canonical Nothing  = Nothing
+  canonical r@(Just s@StoredMarkup{..}) = let mi' = LT.strip markupInput in if
+    | LT.null mi'        -> Nothing
+    | markupInput == mi' -> r
+    | otherwise          -> Just s{markupInput = mi'}
+
 htmlToStoredMarkup :: Html -> StoredMarkup
 htmlToStoredMarkup html = StoredMarkup
  { markupInputFormat = MarkupHtml
--- a/src/Settings.hs
+++ b/src/Settings.hs
@ -233,7 +233,8 @@ data AppSettings = AppSettings
    , appStudyFeaturesRecacheRelevanceWithin :: Maybe NominalDiffTime
    , appStudyFeaturesRecacheRelevanceInterval :: NominalDiffTime

-    , appQualificationCheckHour :: Maybe Natural
+    , appJobLmsQualificationsEnqueueHour :: Maybe Natural
+    , appJobLmsQualificationsDequeueHour :: Maybe Natural

    , appFileSourceARCConf      :: Maybe (ARCConf Int)
    , appFileSourcePrewarmConf  :: Maybe PrewarmCacheConf
@ -245,6 +246,7 @@ data AppSettings = AppSettings
    , appJobMaxFlush           :: Maybe Natural

    , appCommunicationAttachmentsMaxSize :: Maybe Natural
+    , appCommunicationGlobalCC :: Maybe UserEmail
    
    , appFileChunkingParams     :: FastCDCParameters

@ -784,7 +786,8 @@ instance FromJSON AppSettings where
        appStudyFeaturesRecacheRelevanceWithin   <- o .:? "study-features-recache-relevance-within"
        appStudyFeaturesRecacheRelevanceInterval <- o .:  "study-features-recache-relevance-interval"

-        appQualificationCheckHour <- o .:? "qualification-check-hour"
+        appJobLmsQualificationsEnqueueHour <- o .:? "job-lms-qualifications-enqueue-hour"
+        appJobLmsQualificationsDequeueHour <- o .:? "job-lms-qualifications-dequeue-hour"

        appFileSourceARCConf <- assertM isValidARCConf <$> o .:? "file-source-arc"

@ -804,6 +807,7 @@ instance FromJSON AppSettings where
        appJobMaxFlush <- o .:? "job-max-flush"

        appCommunicationAttachmentsMaxSize <- o .:? "communication-attachments-max-size"
+        appCommunicationGlobalCC <- o .:? "communication-global-cc"

        appLegalExternal <- o .: "legal-external"

--- a/src/Utils.hs
+++ b/src/Utils.hs
@ -23,7 +23,7 @@ import qualified Data.CaseInsensitive as CI

 import qualified Data.ByteString as BS
 import qualified Data.ByteString.Char8 as CBS
-import qualified Data.Char as Char
+-- import qualified Data.Char as Char
 import qualified Data.Text as Text
 import qualified Data.Text.Encoding as Text

@ -319,9 +319,16 @@ citext2string = Text.unpack . CI.original
 string2citext :: String -> CI Text
 string2citext = CI.mk . Text.pack

+text2AlphaNumPlus :: [Char] -> Text -> Text
+text2AlphaNumPlus = 
+  let alphaNum = Set.fromAscList $ ['0'..'9'] <> ['A'..'Z'] <> ['a'..'z']
+  in \oks -> 
+    let aNumPlus = Set.fromList oks <> alphaNum
+    in  Text.filter (`Set.member` aNumPlus)
+
 -- | Convert or remove all non-ascii  characters, e.g. for filenames 
 text2asciiAlphaNum :: Text -> Text
-text2asciiAlphaNum = Text.filter (\c -> Char.isAlphaNum c && Char.isAscii c)
+text2asciiAlphaNum = text2AlphaNumPlus ['-','_']
  . Text.replace "ä" "ae"
  . Text.replace "Ä" "Ae"
  . Text.replace "Æ" "ae"
@ -626,6 +633,7 @@ guardMonoid True  x = x
 assertMonoid :: Monoid m => (m -> Bool) -> m -> m
 assertMonoid f x = guardMonoid (f x) x

+-- fold would also do, but is more risky if the Folable isn't Maybe
 maybeMonoid :: Monoid m => Maybe m -> m
 -- ^ Identify `Nothing` with `mempty`
 maybeMonoid = fromMaybe mempty
@ -771,6 +779,9 @@ pattern NonEmpty :: forall a. a -> [a] -> NonEmpty a
 pattern NonEmpty x xs = x :| xs
 {-# COMPLETE NonEmpty #-}
        
+checkAsc :: Ord a => [a] -> Bool
+checkAsc (x:r@(y:_)) = x<=y && checkAsc r
+checkAsc _ = True

 ----------
 -- Sets --
@ -1983,3 +1994,17 @@ instance {-# OVERLAPPABLE #-} (Canonical mono, MonoFoldable mono, Eq mono) => Ca
 -- this instance is more of a convenient abuse of the class (expand to Foldable)
 instance (Ord a, Canonical a) => Canonical (Set a) where
  canonical = Set.map canonical
+
+instance Canonical (Maybe Text) where -- a split into Canonical Text and Canonical a => Maybe seems nicer, but the latter instance would be troublesome
+  canonical Nothing     = Nothing
+  canonical r@(Just t)  = let t' = Text.strip t in if
+    | Text.null t' -> Nothing
+    | t == t'      -> r
+    | otherwise    -> Just t'
+
+instance Canonical (Maybe (CI Text)) where -- a split into Canonical Text and Canonical a => Maybe seems nicer, but the latter instance would be troublesome
+  canonical Nothing     = Nothing
+  canonical r@(Just t)  = let t' = CI.map Text.strip  t in if
+    | mempty == t'-> Nothing
+    | t == t'     -> r
+    | otherwise   -> Just t'
--- a/src/Utils/DB.hs
+++ b/src/Utils/DB.hs
@ -97,6 +97,15 @@ updateBy uniq updates = do
 updateGetEntity :: (PersistStoreWrite backend, MonadIO m, PersistRecordBackend record backend) => Key record -> [Update record] -> ReaderT backend m (Entity record)
 updateGetEntity k = fmap (Entity k) . updateGet k

+-- | insert or replace a record based on a single uniqueness constraint
+--   this function was meant to be supplied with the uniqueness constraint, but it would be unsafe if the uniqueness constraint would not match the supplied record
+replaceBy :: (PersistUniqueWrite backend, MonadIO m, OnlyOneUniqueKey record, PersistEntityBackend record ~ BaseBackend backend) 
+              => record -> ReaderT backend m ()
+replaceBy r = do 
+  u <- onlyUnique r
+  deleteBy u
+  insert_ r
+
 -- | Like 'myReplaceUnique' or 'replaceUnique' but with reversed result: returns 'Nothing' if the replacement was not possible,
 --   and 'Just key' for the successfully replaced record
 uniqueReplace :: ( MonadIO m
--- a/src/Utils/Form.hs
+++ b/src/Utils/Form.hs
@ -316,6 +316,9 @@ data FormIdentifier
  | FIDBtnAvsImportUnknown
  | FIDBtnAvsRevokeUnknown
  | FIDHijackUser
+  | FIDAddSupervisor
+  | FIDFirmUserChangeRequest
+  | FIDFirmAction
  deriving (Eq, Ord, Read, Show)

 instance PathPiece FormIdentifier where
@ -364,6 +367,8 @@ identifyForm = identifyForm' id
 -- Buttons (new version ) --
 ----------------------------

+-- Bemerke: Back Button Widget implementierbar durch <button onclick="history.back()">_{MsgGenericBack}
+
 data family ButtonClass site :: Type

 class (PathPiece a, PathPiece (ButtonClass site), RenderMessage site ButtonMessage) => Button site a where
@ -373,7 +378,7 @@ class (PathPiece a, PathPiece (ButtonClass site), RenderMessage site ButtonMessa
  btnLabel = toWidget <=< ap getMessageRender . return

  btnValidate :: forall p. p site -> a -> Bool
-  btnValidate _ _ = True
+  btnValidate _ _ = True                          -- False will attach html attribute "formnovalidate", so that browsers do not validate the form data

  btnClasses :: a -> [ButtonClass site]
  btnClasses _ = []
@ -947,6 +952,53 @@ selectField' optMsg mkOpts = Field{..}
                      #{optionDisplay opt}
      |]

+multiSelectField' :: ( Eq a
+                , RenderMessage (HandlerSite m) FormMessage
+                , MonadHandler m
+                )
+             => Maybe (SomeMessage (HandlerSite m)) -- ^ Caption used for @Nothing@-Option, if Field is optional and whether to show such an option
+             -> HandlerT (HandlerSite m) IO (OptionList a)
+             -> Field m [a]
+-- ^ Like @multiSelectField@, but it can handle OptionListGrouped and also offers more control over the @Nothing@-Option, if Field is optional
+multiSelectField' optMsg mkOpts = Field{..}
+  where
+    fieldEnctype = UrlEncoded
+
+    fieldParse []      _ = return $ Right Nothing
+    fieldParse optlist _ = do
+      let optlist' = filter notNull optlist
+      readExternal <- view _olReadExternal <$> liftHandler mkOpts
+      return $ case mapM readExternal optlist' of
+        Nothing -> Left $ SomeMessage $ MsgInvalidEntry $ T.intercalate ", " optlist'
+        res     -> Right res
+
+    fieldView theId name attrs val isReq = do
+      opts <- liftHandler mkOpts
+      let
+        rendered = case val of
+          Left  _  -> []
+          Right xs -> [optionExternalValue o | o <- opts ^.. _olOptions, x <- xs, x == optionInternalValue o]            
+        isSel Nothing    = ClassyPrelude.Yesod.null rendered
+        isSel (Just opt) = optionExternalValue opt `elem` rendered
+      [whamlet|
+        $newline never
+        <select ##{theId} name=#{name} multiple *{attrs} :isReq:required>
+          $maybe optMsg' <- assertM (const $ not isReq) optMsg
+            <option value="" :isSel Nothing:selected>
+              _{optMsg'}
+          $case opts
+            $of OptionList{olOptions}
+              $forall opt <- olOptions
+                <option value=#{optionExternalValue opt} :isSel (Just opt):selected>
+                  #{optionDisplay opt}
+            $of OptionListGrouped{olOptionsGrouped}
+              $forall (groupLbl, iOpts) <- olOptionsGrouped
+                <optgroup label=#{groupLbl}>
+                  $forall opt <- iOpts
+                    <option value=#{optionExternalValue opt} :isSel (Just opt):selected>
+                      #{optionDisplay opt}
+      |]
+
 radioField' :: ( Eq a
               , RenderMessage (HandlerSite m) FormMessage
               , MonadHandler m
--- a/src/Utils/Frontend/Modal.hs
+++ b/src/Utils/Frontend/Modal.hs
@ -38,9 +38,9 @@ customModal Modal{..} = do
  route <- traverse toTextUrl $ modalContent ^? _Left
  modalTrigger route triggerId'

-- | Create a link to a modal
+-- | Create a link to a modal, does not check link, see `Handler.Utils.Widget.modalAccess` for a checking variant
 modal :: WidgetFor site () -- ^ Widget that represents the link
-      -> Either (SomeRoute site) (WidgetFor site ()) -- ^ Modal contant: either dynamic link or static widget
+      -> Either (SomeRoute site) (WidgetFor site ()) -- ^ Modal content: either dynamic link or static widget
      -> WidgetFor site () -- ^ result widget
 modal modalTrigger' modalContent = customModal Modal{..}
  where
--- a/src/Utils/Icon.hs
+++ b/src/Utils/Icon.hs
@ -109,12 +109,16 @@ data Icon
  | IconLetter
  | IconAt
  | IconSupervisor
+  | IconSupervisorForeign
  -- | IconWaitingForUser
  | IconExpired
  | IconLocked
  | IconUnlocked
  | IconResetTries -- also see IconReset
  | IconCompany
+  | IconEdit
+  | IconUserEdit
+  
  deriving (Eq, Ord, Enum, Bounded, Show, Read, Generic)
  deriving anyclass (Universe, Finite, NFData)

@ -201,12 +205,15 @@ iconText = \case
    IconLetter                  -> "mail-bulk" -- Problem "envelope" already used for email as well
    IconAt                      -> "at"        -- alternative for IconEmail to distinguish from IconLetter
    IconSupervisor              -> "head-side" -- must be notably different to user
+    IconSupervisorForeign       -> "alien"
    -- IconWaitingForUser          -> "user-cog"  -- Waiting on a user to do something
    IconExpired                 -> "hourglass-end"
    IconLocked                  -> "lock"
    IconUnlocked                -> "lock-open-alt"
    IconResetTries              -> "trash-undo"
    IconCompany                 -> "building"
+    IconEdit                    -> "edit"
+    IconUserEdit                -> "user-edit"

 nullaryPathPiece ''Icon $ camelToPathPiece' 1
 deriveLift ''Icon
--- a/src/Utils/Lens.hs
+++ b/src/Utils/Lens.hs
@ -125,8 +125,6 @@ makeClassyFor_ ''QualificationUser
 makeClassyFor_ ''QualificationUserBlock
 makeClassyFor_ ''LmsUser
 -- makeClassyFor_ ''LmsUserStatus
-makeClassyFor_ ''LmsUserlist
-makeClassyFor_ ''LmsResult
 makeClassyFor_ ''LmsReport
 makeClassyFor_ ''UserAvs
 makeClassyFor_ ''UserAvsCard
@ -311,6 +309,9 @@ makeLenses_ ''AuthorshipStatementDefinition

 makeLenses_ ''PrintJob

+makeLenses_ ''InterfaceLog
+-- makeLenses_ ''InterfaceLog -- not needed
+
 --------------------------
 -- Fields for `UniWorX` --
 --------------------------
--- a/src/Utils/Print.hs
+++ b/src/Utils/Print.hs
@ -269,13 +269,17 @@ printLetter' pji pdf = do
      -- printJobFile <- sinkFileDB True $ yield $ LBS.toStrict pdf   -- for PrintJobFile :: FileContentReference use this code
      printJobFile = LBS.toStrict pdf
      printJobAcknowledged = Nothing
+  qshort <- ifMaybeM printJobQualification "-" $ fmap (maybe "_" $ CI.original . qualificationShorthand ) . get
+  let logInter = flip (logInterface "Printer" qshort) (Just 1)
  lprPDF printJobFilename pdf >>= \case
    Left err -> do
+      logInter False err
      return $ Left err
    Right ok -> do
      printJobCreated <- liftIO getCurrentTime
      -- updateWhere [PrintJobLmsUser ==. printJobLmsUser] [PrintJobLmsUser =. Nothing] -- only one printJob per LmsUser is allowed, since otherwise the qualification table contains double rows
-      insert_ PrintJob {..}
+      insert_ PrintJob{..}
+      logInter True ok
      return $ Right (ok, printJobFilename)

 reprintPDF :: Bool -> PrintJobId -> DB (Either Text Text)
@ -283,13 +287,19 @@ reprintPDF ignoreReroute pjid = maybeM (return $ Left "Print job id is unknown."
  where 
    reprint :: PrintJob -> DB (Either Text Text)
    reprint pj@PrintJob{..} = do 
+      qshort <- ifMaybeM printJobQualification "-" $ fmap (maybe "_" $ CI.original . qualificationShorthand ) . get  
+      let logInter = flip (logInterface "Printer" qshort) (Just 1)
      result <- lprPDF' ignoreReroute printJobFilename $ LBS.fromStrict printJobFile
-      whenIsRight result $ const $ do 
-        now <- liftIO getCurrentTime        
-        insert_ pj{ printJobAcknowledged  = Nothing
-                  , printJobCreated       = now
-                  -- , printJobApcIdent      = ??? cannot be modified here, since it is included inside the PDF
-                  }
+      case result of
+        Left err -> 
+          logInter False err
+        Right m -> do
+          logInter True m
+          now <- liftIO getCurrentTime        
+          insert_ pj{ printJobAcknowledged  = Nothing
+                    , printJobCreated       = now
+                    -- , printJobApcIdent      = ??? cannot be modified here, since it is included inside the PDF
+                    }
      return result

 {-
--- a/src/Utils/Set.hs
+++ b/src/Utils/Set.hs
@ -5,7 +5,7 @@
 module Utils.Set
 ( setIntersectNotOne
 , setIntersections
-, setMapMaybe
+, setMapMaybe, setMapMaybeMonotonic
 , concatMapSet
 , setSymmDiff
 , setProduct
@ -56,6 +56,10 @@ setIntersections (h:t) = foldl' Set.intersection h t
 setMapMaybe :: Ord b => (a -> Maybe b) -> Set a -> Set b
 setMapMaybe f = Set.fromList . mapMaybe f . Set.toList

+-- | like `setMapMaybe`, but only when f is strictly increasing
+setMapMaybeMonotonic :: (a -> Maybe b) -> Set a -> Set b
+setMapMaybeMonotonic f = Set.fromDistinctAscList . mapMaybe f . Set.toAscList
+
 concatMapSet :: Ord b => (a -> Set b) -> Set a -> Set b
 concatMapSet f = Set.foldl ((. f) . (<>)) mempty
 -- concatMapSet f = foldMap f --- requires Ord a as well, which we ought to have anyway
@ -68,8 +72,11 @@ setProduct :: Set a -> Set b -> Set (a, b)
 -- ^ Depends on the valid internal structure of the given sets
 setProduct (Set.toAscList -> as) (Set.toAscList -> bs) = Set.fromDistinctAscList $ (,) <$> as <*> bs

-setPartitionEithers :: (Ord a, Ord b) => Set (Either a b) -> (Set a, Set b)
-setPartitionEithers = (,) <$> setMapMaybe (preview _Left) <*> setMapMaybe (preview _Right)
+-- setPartitionEithers :: (Ord a, Ord b) => Set (Either a b) -> (Set a, Set b)
+-- setPartitionEithers = (,) <$> setMapMaybe (preview _Left) <*> setMapMaybe (preview _Right)
+-- 
+setPartitionEithers :: Set (Either a b) -> (Set a, Set b)
+setPartitionEithers = (,) <$> setMapMaybeMonotonic (preview _Left) <*> setMapMaybeMonotonic (preview _Right)

 setFromFunc :: (Finite k, Ord k) => (k -> Bool) -> Set k
 setFromFunc = Set.fromList . flip filter universeF
--- a/templates/admin-problems.hamlet
+++ b/templates/admin-problems.hamlet
@ -43,7 +43,7 @@ $# SPDX-License-Identifier: AGPL-3.0-or-later
    <dd .deflist__dd>^{simpleLinkI MsgProblemsUsersAreReachable ProblemUnreachableR}

    <dt .deflist__dt>^{flagError noStalePrintJobs}
-    <dd .deflist__dd>^{simpleLinkI (MsgProblemsNoStalePrintJobs cutOffPrintDays) PrintCenterR}
+    <dd .deflist__dd>^{simpleLinkI (MsgProblemsNoStalePrintJobs cutOffOldDays) PrintCenterR}

    <dt .deflist__dt>^{flagError noBadAPCids}
    <dd .deflist__dd>_{MsgProblemsNoBadAPCIds}
@ -54,7 +54,14 @@ $# SPDX-License-Identifier: AGPL-3.0-or-later

 <section>
  <h2>
-    _{MsgProblemsHeadingMisc}
-  <dl .deflist>
-    <dt .deflist__dt>^{flagError noAvsSynchProblems}
-    <dd .deflist__dd>^{simpleLinkI MsgProblemsNoAvsSynchProblems ProblemAvsErrorR}
+    _{MsgMenuInterfaces}  
+  <div>
+    <p> 
+      $if interfacesBadNr > 0
+        _{MsgInterfacesFail interfacesBadNr}
+      $else
+        _{MsgInterfacesOk}
+    ^{interfaceTable}
+
+<!-- section h2 {MsgProblemsHeadingMisc} -->
+
--- a/templates/firm-contact-info.hamlet
+++ b/templates/firm-contact-info.hamlet
@ -0,0 +1,27 @@
+$newline never
+
+$# SPDX-FileCopyrightText: 2023 Steffen Jost <jost@tcs.ifi.lmu.de>
+$#
+$# SPDX-License-Identifier: AGPL-3.0-or-later
+
+<section .profile>
+  <h2>_{MsgFirmContact}
+  <dl .deflist.profile-dl>
+    $maybe fem <- companyEmail
+      <dt .deflist__dt>
+        _{MsgFirmEmail} 
+        $if not companyPrefersPostal 
+          &nbsp; #{iconLetterOrEmail False} 
+      <dd .deflist__dd .email>
+        #{mailtoHtml fem}
+    $maybe addr <- companyPostAddress
+      <dt .deflist__dt>
+        _{MsgFirmAddress}
+        $if companyPrefersPostal 
+          &nbsp; #{iconLetterOrEmail True} 
+      <dd .deflist__dd>
+        #{addr}
+    $nothing
+      $maybe _ <- companyEmail
+      $nothing
+        _{MsgFirmNoContact}
--- a/templates/firm-users.hamlet
+++ b/templates/firm-users.hamlet
@ -4,20 +4,13 @@ $# SPDX-FileCopyrightText: 2023 Steffen Jost <jost@tcs.ifi.lmu.de>
 $#
 $# SPDX-License-Identifier: AGPL-3.0-or-later

-<section .profile>     
-  <dl .deflist.profile-dl>
-    $maybe fem <- companyEmail
-      <dt .deflist__dt>
-        _{MsgFirmEmail} #{iconLetterOrEmail False} 
-      <dd .deflist__dd .email>
-        #{mailtoHtml fem}
-    $maybe addr <- companyPostAddress
-      <dt .deflist__dt>
-        _{MsgFirmAddress} #{iconLetterOrEmail True} 
-      <dd .deflist__dd>
-        #{addr}
+^{firmContactInfo}

-<section>        
+^{formFirmAction}
+
+<section>
+  <h2 .show-hide__toggle uw-show-hide data-show-hide-collapsed>
+    _{MsgFirmSupervisionKeyData}
  <div .scrolltable .scrolltable--bordered>
    <table .table>      
        <tr .table__row .table__row--head>
@ -65,4 +58,4 @@ $# SPDX-License-Identifier: AGPL-3.0-or-later
  <h2>
    _{MsgFirmAssociates}
  <p>
-    ^{fusrTable}
+    ^{fusrTable}
--- a/Show More
+++ b/Show More