chore: bump versions

.gitlab-ci.yml

@@ -6,7 +6,7 @@ workflow:
 
 default:
   image:
-    name: fpco/stack-build:lts-16.31
+    name: fpco/stack-build:lts-17.15
       
 variables:
   STACK_ROOT: "${CI_PROJECT_DIR}/.stack"

.hlint.yaml

@@ -13,6 +13,7 @@
   - ignore: { name: "Redundant void" }
   - ignore: { name: "Too strict maybe" }
   - ignore: { name: "Use Just" }
+  - ignore: { name: "Use const" }
 
   - arguments:
       - -XQuasiQuotes

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "flake-utils": {
       "locked": {
-        "lastModified": 1619345332,
-        "narHash": "sha256-qHnQkEp1uklKTpx3MvKtY6xzgcqXDsz5nLilbbuL+3A=",
+        "lastModified": 1623875721,
+        "narHash": "sha256-A8BU7bjS5GirpAUv4QA+QnJ4CceLHkcXdRp4xITDB0s=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "2ebf2558e5bf978c7fb8ea927dfaed8fefab2e28",
+        "rev": "f7e004a55b120c02ecb6219596820fcd32ca8772",
         "type": "github"
       },
       "original": {
@@ -18,11 +18,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1620323686,
-        "narHash": "sha256-+gfcE3YTGl+Osc8HzOUXSFO8/0PAK4J8ZxCXZ4hjXHI=",
+        "lastModified": 1624788075,
+        "narHash": "sha256-xzO2aL5gGejNvey2jKGnbnFXbo99pdytlY5FF/IhvAE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "dfacb8329b2236688b9a1e705116203a213b283a",
+        "rev": "4ba70da807359ed01d662763a96c7b442762e5ef",
         "type": "github"
       },
       "original": {

models/allocations.model

@@ -53,7 +53,7 @@ AllocationUser
 
 AllocationDeregister -- self-inflicted user-deregistrations from an allocated course
     user                UserId
-    course              CourseId Maybe
+    course              CourseId Maybe OnDeleteSetNull OnUpdateCascade
     time                UTCTime
     reason              Text Maybe -- if this deregistration was done by proxy (e.g. the lecturer pressed the button)
     deriving Eq Ord Show Generic

models/courses.model

@@ -1,5 +1,5 @@
 DegreeCourse json   -- for which degree programmes this course is appropriate for
-    course       CourseId
+    course       CourseId OnDeleteCascade OnUpdateCascade
     degree       StudyDegreeId
     terms        StudyTermsId
     UniqueDegreeCourse course degree terms
@@ -31,7 +31,7 @@ Course    -- Information about a single course; contained info is always visible
     deriving Generic
 CourseEvent
     type (CI Text)
-    course CourseId
+    course CourseId OnDeleteCascade OnUpdateCascade
     room RoomReference Maybe
     roomHidden Bool default=false
     time Occurrences
@@ -40,7 +40,7 @@ CourseEvent
     deriving Generic
 
 CourseAppInstructionFile
-    course   CourseId
+    course   CourseId OnDeleteCascade OnUpdateCascade
     title    FilePath
     content  FileContentReference Maybe
     modified UTCTime
@@ -50,11 +50,11 @@ CourseAppInstructionFile
 CourseEdit                -- who edited when a row in table "Course", kept indefinitely (might be replaced by generic Audit Table; like all ...-Edit tables)
     user         UserId
     time         UTCTime
-    course       CourseId
+    course       CourseId OnDeleteCascade OnUpdateCascade
     deriving Generic
 Lecturer                       -- course ownership
     user         UserId
-    course       CourseId
+    course       CourseId OnDeleteCascade OnUpdateCascade
     type         LecturerType  default='"lecturer"'::jsonb
     UniqueLecturer user course -- note: multiple lecturers per course are allowed, but no duplicated rows in this table
     deriving Generic

models/courses/applications.model

@@ -13,7 +13,7 @@ CourseApplication
     deriving Generic
 
 CourseApplicationFile 
-    application         CourseApplicationId
+    application         CourseApplicationId OnDeleteCascade OnUpdateCascade
     title               FilePath
     content             FileContentReference Maybe
     modified            UTCTime

models/courses/favourite.model

@@ -1,12 +1,12 @@
 CourseFavourite           -- which user accessed which course when, only displayed to user for convenience;
     user         UserId
-    course       CourseId
+    course       CourseId OnDeleteCascade OnUpdateCascade
     reason       FavouriteReason
     lastVisit    UTCTime
     UniqueCourseFavourite user course
     deriving Generic
 CourseNoFavourite
     user         UserId
-    course       CourseId
+    course       CourseId OnDeleteCascade OnUpdateCascade
     UniqueCourseNoFavourite user course
     deriving Generic

models/courses/materials.model

@@ -1,5 +1,5 @@
 Material -- course material for disemination to course participants
-  course          CourseId
+  course          CourseId OnDeleteCascade OnUpdateCascade
   name            (CI Text)
   type            (CI Text) Maybe
   description     StoredMarkup Maybe
@@ -8,7 +8,7 @@ Material -- course material for disemination to course participants
   UniqueMaterial course name
   deriving Generic
 MaterialFile -- a file that is part of a material distribution
-  material MaterialId
+  material MaterialId OnDeleteCascade OnUpdateCascade
   title    FilePath
   content  FileContentReference Maybe
   modified UTCTime

models/courses/news.model

@@ -1,5 +1,5 @@
 CourseNews
-    course              CourseId
+    course              CourseId OnDeleteCascade OnUpdateCascade
     visibleFrom         UTCTime Maybe
     participantsOnly    Bool
     title               Text Maybe
@@ -8,7 +8,7 @@ CourseNews
     lastEdit            UTCTime
     deriving Generic
 CourseNewsFile
-    news     CourseNewsId
+    news     CourseNewsId OnDeleteCascade OnUpdateCascade
     title    FilePath
     content  FileContentReference Maybe
     modified UTCTime

models/sheets.model

@@ -1,5 +1,5 @@
 Sheet   -- exercise sheet for a given course
-    course          CourseId
+    course          CourseId OnDeleteCascade OnUpdateCascade
     name            (CI Text)
     description     StoredMarkup Maybe
     type            (SheetType SqlBackendKey) -- ExamPartId; Does it count towards overall course grade?
@@ -20,14 +20,14 @@ Sheet   -- exercise sheet for a given course
 SheetEdit                     -- who edited when a row in table "Course", kept indefinitely
     user            UserId
     time            UTCTime
-    sheet           SheetId
+    sheet           SheetId OnDeleteCascade OnUpdateCascade
     deriving Generic
 
 -- For anonoymous external submissions (i.e. paper submission tracked in uni2work)
 -- Map pseudonyms to users injectively in the context of a single sheet; for the next sheet all-new pseudonyms need to be created
 -- Chosen uniformly at random when the submitting user presses a button on the view of a sheet
 SheetPseudonym
-    sheet           SheetId
+    sheet           SheetId OnDeleteCascade OnUpdateCascade
     pseudonym       Pseudonym -- 24-bit number that should be attached to external submission (i.e. written on the submitted paper); encoded as two english words akin to PGP-Wordlist
     user            UserId
     UniqueSheetPseudonym sheet pseudonym
@@ -35,13 +35,13 @@ SheetPseudonym
     deriving Generic
 SheetCorrector                -- grant corrector role to user for a sheet
     user            UserId
-    sheet           SheetId
+    sheet           SheetId OnDeleteCascade OnUpdateCascade
     load            Load      -- portion of work that will be assigned to this corrector
     state           CorrectorState default='CorrectorNormal' -- whether a corrector is assigned his load this time (e.g. in case of sickness)
     UniqueSheetCorrector user sheet
     deriving Show Eq Ord Generic
 SheetFile                     -- a file that is part of an exercise sheet
-    sheet    SheetId
+    sheet    SheetId OnDeleteCascade OnUpdateCascade
     type     SheetFileType   -- excercise, marking, hint or solution
     title    FilePath
     content  FileContentReference Maybe
@@ -49,7 +49,7 @@ SheetFile                     -- a file that is part of an exercise sheet
     UniqueSheetFile sheet type title
     deriving Generic
 PersonalisedSheetFile
-    sheet    SheetId
+    sheet    SheetId OnDeleteCascade OnUpdateCascade
     user     UserId
     type     SheetFileType
     title    FilePath
@@ -59,7 +59,7 @@ PersonalisedSheetFile
     deriving Eq Ord Read Show Typeable Generic
 
 FallbackPersonalisedSheetFilesKey
-    course    CourseId
+    course    CourseId OnDeleteCascade OnUpdateCascade
     index     Word24
     secret    ByteString
     generated UTCTime

models/submissions.model

@@ -9,10 +9,10 @@ Submission                        -- submission for marking by a CourseParticipa
 SubmissionEdit                    -- user uploads new version of their submission
     user            UserId Maybe  -- track id, important for group submissions
     time            UTCTime
-    submission      SubmissionId
+    submission      SubmissionId OnDeleteCascade OnUpdateCascade
     deriving Generic
 SubmissionFile json               -- files that are part of a submission
-    submission SubmissionId
+    submission SubmissionId OnDeleteCascade OnUpdateCascade
     title      FilePath
     content    FileContentReference Maybe
     modified   UTCTime
@@ -22,11 +22,11 @@ SubmissionFile json               -- files that are part of a submission
     deriving Eq Ord Read Show Generic
 SubmissionUser                    -- which submission belongs to whom
     user            UserId
-    submission      SubmissionId
+    submission      SubmissionId OnDeleteCascade OnUpdateCascade
     UniqueSubmissionUser user submission -- multiple users may share same submission, in case of (ad-hoc) submission groups
     deriving Generic
 SubmissionGroup                   -- pre-defined submission groups; some courses only allow pre-defined submission groups
-    course          CourseId
+    course          CourseId OnDeleteCascade OnUpdateCascade
     name            SubmissionGroupName
     UniqueSubmissionGroup course name
     deriving Generic

models/system-messages.model

@@ -16,7 +16,7 @@ SystemMessage
     deriving Generic
 
 SystemMessageTranslation -- Translation of a @SystemMessage@ into another language; which language to choose is determined by user-sent HTTP-headers
-    message             SystemMessageId
+    message             SystemMessageId OnDeleteCascade OnUpdateCascade
     language            Lang
     content             StoredMarkup
     summary             StoredMarkup Maybe
@@ -24,7 +24,7 @@ SystemMessageTranslation -- Translation of a @SystemMessage@ into another langua
     deriving Generic
 
 SystemMessageHidden
-    message             SystemMessageId
+    message             SystemMessageId OnDeleteCascade OnUpdateCascade
     user                UserId
     time                UTCTime
     UniqueSystemMessageHidden user message

models/tutorials.model

@@ -1,6 +1,6 @@
 Tutorial json
     name            TutorialName
-    course          CourseId
+    course          CourseId OnDeleteCascade OnUpdateCascade
     type            (CI Text) -- "Tutorium", "Zentralübung", ...
     capacity        Int Maybe -- limit for enrolment in this tutorial
     room            RoomReference Maybe
@@ -15,12 +15,12 @@ Tutorial json
     UniqueTutorial course name
     deriving Generic
 Tutor
-    tutorial    TutorialId
+    tutorial    TutorialId OnDeleteCascade OnUpdateCascade
     user        UserId
     UniqueTutor tutorial user
     deriving Generic
 TutorialParticipant
-    tutorial    TutorialId
+    tutorial    TutorialId OnDeleteCascade OnUpdateCascade
     user        UserId
     UniqueTutorialParticipant tutorial user
     deriving Eq Ord Show

models/workflows.model

@@ -13,7 +13,7 @@ WorkflowDefinition
     deriving Generic
 
 WorkflowDefinitionDescription
-    definition  WorkflowDefinitionId
+    definition  WorkflowDefinitionId OnDeleteCascade OnUpdateCascade
     language    Lang
     title       Text
     description StoredMarkup Maybe
@@ -21,7 +21,7 @@ WorkflowDefinitionDescription
     deriving Generic
 
 WorkflowDefinitionInstanceDescription
-    definition  WorkflowDefinitionId
+    definition  WorkflowDefinitionId OnDeleteCascade OnUpdateCascade
     language    Lang
     title       Text
     description StoredMarkup Maybe
@@ -29,7 +29,7 @@ WorkflowDefinitionInstanceDescription
     deriving Generic
 
 WorkflowInstance
-    definition  WorkflowDefinitionId Maybe
+    definition  WorkflowDefinitionId Maybe OnDeleteSetNull OnUpdateCascade
     graph       SharedWorkflowGraphId
     scope       (WorkflowScope TermIdentifier SchoolShorthand SqlBackendKey)  -- TermId, SchoolId, CourseId
     name        WorkflowInstanceName

src/Application.hs

@@ -17,9 +17,10 @@ module Application
     ) where
 
 import Control.Monad.Logger                 (liftLoc, LoggingT(..), MonadLoggerIO(..))
-import Database.Persist.Postgresql          ( openSimpleConn, pgConnStr, connClose, pgPoolIdleTimeout
+import Database.Persist.Postgresql          ( openSimpleConn, pgConnStr, pgPoolIdleTimeout
                                             , pgPoolSize
                                             )
+import Database.Persist.SqlBackend.Internal ( connClose )
 import qualified Database.PostgreSQL.Simple as PG
 import Import                        hiding (cancel, respond)
 import Language.Haskell.TH.Syntax           (qLocation)

src/Crypto/Random/Instances.hs

@@ -23,7 +23,8 @@ import qualified Data.ByteString as BS
 
 
 instance RandomGen ChaChaDRG where
-  next g = withRandomBytes g (finiteBitSize (maxBound :: Int) `div` 8) (foldr (\x acc -> acc `shiftL` 8 .|. fromIntegral x) zeroBits . BA.unpack @BA.Bytes)
+  genWord64 g = withRandomBytes g (finiteBitSize (maxBound :: Word64) `div` 8) (foldr (\x acc -> acc `shiftL` 8 .|. fromIntegral x) zeroBits . BA.unpack @BA.Bytes)
+  genWord32 g = withRandomBytes g (finiteBitSize (maxBound :: Word32) `div` 8) (foldr (\x acc -> acc `shiftL` 8 .|. fromIntegral x) zeroBits . BA.unpack @BA.Bytes)
   split g = withDRG g drgNew
 
 instance Binary Seed where

src/Data/CaseInsensitive/Instances.hs

@@ -22,7 +22,7 @@ import Language.Haskell.TH.Syntax (Lift(..))
 
 import Data.Aeson (ToJSONKey(..), FromJSONKey(..), ToJSONKeyFunction(..))
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import Web.HttpApiData
 

src/Database/Esqueleto/Instances.hs

@@ -6,7 +6,7 @@ module Database.Esqueleto.Instances
 
 import ClassyPrelude.Yesod
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import Data.Binary (Binary)
 import qualified Data.Binary as B

src/Database/Esqueleto/Utils.hs

@@ -43,7 +43,7 @@ import Data.Universe
 import qualified Data.Set as Set
 import qualified Data.List as List
 import qualified Data.Foldable as F
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.PostgreSQL as E
 import qualified Database.Esqueleto.Internal.Internal as E
 import Database.Esqueleto.Utils.TH
@@ -126,40 +126,24 @@ substring :: ( E.SqlString str
           -> E.SqlExpr (E.Value from)
           -> E.SqlExpr (E.Value for)
           -> E.SqlExpr (E.Value str)
-substring (E.ERaw p1 f1) (E.ERaw p2 f2) (E.ERaw p3 f3)
-  = E.ERaw E.Never $ \info ->
-      let (strTLB, strVals) = f1 info
-          (fromiTLB, fromiVals) = f2 info
-          (foriTLB, foriVals) = f3 info
-       in ( "SUBSTRING" <> E.parens (E.parensM p1 strTLB <> " FROM " <> E.parensM p2 fromiTLB <> " FOR " <> E.parensM p3 foriTLB)
+substring (E.ERaw _m1 f1) (E.ERaw _m2 f2) (E.ERaw _m3 f3)
+  = E.ERaw E.noMeta $ \_nParens info ->
+      let (strTLB, strVals) = f1 E.Parens info
+          (fromiTLB, fromiVals) = f2 E.Parens info
+          (foriTLB, foriVals) = f3 E.Parens info
+       in ( "SUBSTRING" <> E.parens (E.parens strTLB <> " FROM " <> E.parens fromiTLB <> " FOR " <> E.parens foriTLB)
           , strVals <> fromiVals <> foriVals
           )
-substring a b c = substring (construct a) (construct b) (construct c)
 
 explicitUnsafeCoerceSqlExprValue :: forall b a.
                                     Text
                                  -> E.SqlExpr (E.Value a)
                                  -> E.SqlExpr (E.Value b)
-explicitUnsafeCoerceSqlExprValue typ (E.ERaw p1 f1) = E.ERaw E.Parens $ \info ->
-  let (valTLB, valVals) = f1 info
-   in ( E.parensM p1 valTLB <> " :: " <> Text.Builder.fromText typ
+explicitUnsafeCoerceSqlExprValue typ (E.ERaw _m1 f1) = E.ERaw E.noMeta $ \_nParens info ->
+  let (valTLB, valVals) = f1 E.Parens info
+   in ( E.parens valTLB <> " :: " <> Text.Builder.fromText typ
       , valVals
       )
-explicitUnsafeCoerceSqlExprValue typ val = explicitUnsafeCoerceSqlExprValue typ $ construct val
-
-construct :: E.SqlExpr (E.Value a) -> E.SqlExpr (E.Value a)
-construct (E.ERaw p f)        = E.ERaw E.Parens $ \info ->
-  let (b1, vals) = f info
-      build ("?", [E.PersistList vals']) =
-        (E.uncommas $ replicate (length vals') "?", vals')
-      build expr = expr
-   in  build (E.parensM p b1, vals)
-construct (E.ECompositeKey f) =
-  E.ERaw E.Parens $ \info -> (E.uncommas $ f info, mempty)
-construct (E.EAliasedValue i _) = 
-  E.ERaw E.Never $ E.aliasedValueIdentToRawSql i
-construct (E.EValueReference i i') = 
-  E.ERaw E.Never $ E.valueReferenceToRawSql i i'
 
 and, or :: Foldable f => f (E.SqlExpr (E.Value Bool)) -> E.SqlExpr (E.Value Bool)
 and = F.foldr (E.&&.) true
@@ -485,12 +469,11 @@ diffTimes :: E.SqlExpr (E.Value UTCTime) -> E.SqlExpr (E.Value UTCTime) -> E.Sql
 diffTimes a b = unsafeExtract "EPOCH" $ a E.-. b
 
 unsafeExtract :: String -> E.SqlExpr (E.Value a) -> E.SqlExpr (E.Value b)
-unsafeExtract extr (E.ERaw vP vF) = E.ERaw E.Never $ \info ->
-  let (vTLB, vVals) = vF info
-   in ( "EXTRACT" <> E.parens (fromString extr <> " FROM " <> E.parensM vP vTLB)
+unsafeExtract extr (E.ERaw _mF vF) = E.ERaw E.noMeta $ \_nParens info ->
+  let (vTLB, vVals) = vF E.Parens info
+   in ( "EXTRACT" <> E.parens (fromString extr <> " FROM " <> E.parens vTLB)
       , vVals
       )
-unsafeExtract extr v = unsafeExtract extr $ construct v
 
 
 class ExprLift e a | e -> a where

src/Database/Esqueleto/Utils/TH.hs

@@ -9,7 +9,7 @@ module Database.Esqueleto.Utils.TH
 
 import ClassyPrelude
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Internal.Internal as E (SqlSelect)
 
 import Database.Persist (PersistField)

src/Database/Persist/Class/Instances.hs

@@ -31,8 +31,8 @@ instance PersistEntity record => Binary (Key record) where
   get = either (fail . unpack) return . fromPersistValue =<< Binary.get
 
 
-uniqueToMap :: PersistEntity record => Unique record -> Map (HaskellName, DBName) PersistValue
-uniqueToMap = fmap Map.fromList $ zip <$> persistUniqueToFieldNames <*> persistUniqueToValues
+uniqueToMap :: PersistEntity record => Unique record -> Map (FieldNameHS, FieldNameDB) PersistValue
+uniqueToMap = fmap Map.fromList $ zip <$> fmap toList persistUniqueToFieldNames <*> persistUniqueToValues
 
 instance PersistEntity record => Eq (Unique record) where
   (==) = (==) `on` uniqueToMap

src/Database/Persist/Types/Instances.hs

@@ -17,6 +17,14 @@ import Data.Binary.Instances.Time as Import ()
 import Data.Binary (Binary)
 
 
+deriving instance Generic LiteralType
+deriving instance Typeable LiteralType
+
+instance Hashable LiteralType
+instance Binary LiteralType
+instance NFData LiteralType
+
+  
 deriving instance Generic PersistValue
 deriving instance Typeable PersistValue
 

src/Foundation/Authorization.hs

@@ -48,7 +48,7 @@ import qualified Data.Text as Text
 import Data.List (findIndex, inits)
 import Data.Semigroup (Last(..))
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import Control.Monad.Error.Class (MonadError(..))

src/Foundation/Instances.hs

@@ -48,7 +48,7 @@ import qualified Data.Binary as Binary
 
 import qualified Data.CaseInsensitive as CI
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 
 -- Please see the documentation for the Yesod typeclass. There are a number

src/Foundation/Navigation.hs

@@ -30,7 +30,7 @@ import Handler.Utils.ExamOffice.Course
 import Utils.Sheet
 
 import qualified Data.CaseInsensitive as CI
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import Control.Monad.Trans.State (execStateT)

src/Foundation/SiteLayout.hs

@@ -30,7 +30,7 @@ import qualified Data.Text as Text
 import qualified Data.Set as Set
 import qualified Data.HashMap.Strict as HashMap
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Data.Conduit.Combinators as C

src/Foundation/Yesod/Auth.hs

@@ -39,7 +39,7 @@ import Data.ByteArray (convert)
 import Crypto.Hash (SHAKE128)
 import qualified Data.Binary as Binary
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import Crypto.Hash.Conduit (sinkHash)

src/Foundation/Yesod/Persist.hs

@@ -14,6 +14,7 @@ import Foundation.Authorization
 
 import Database.Persist.Sql (transactionUndo)
 import qualified Database.Persist.Sql as SQL
+import qualified Database.Persist.SqlBackend.Internal as SQL
 
 import qualified Utils.Pool as Custom
 

src/Handler/Admin/StudyFeatures.hs

@@ -12,7 +12,7 @@ import qualified Data.Text as Text
 import qualified Data.Set as Set
 import qualified Data.Map as Map
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import Database.Esqueleto.Utils (mkExactFilter, mkContainsFilter)
 
 import qualified Handler.Utils.TermCandidates as Candidates

src/Handler/Admin/Test/Download.hs

@@ -18,7 +18,7 @@ import Data.Binary.Builder (Builder)
 
 import Control.Monad.Random.Lazy (evalRandT, liftRandT)
 
-import qualified Database.Esqueleto as E hiding (random_)
+import qualified Database.Esqueleto.Legacy as E hiding (random_)
 import qualified Database.Esqueleto.PostgreSQL as E
 
 

src/Handler/Admin/Tokens.hs

@@ -16,7 +16,7 @@ import Data.Map ((!), (!?))
 
 import qualified Data.Text as Text
 
-import qualified Database.Esqueleto as E hiding (random_)
+import qualified Database.Esqueleto.Legacy as E hiding (random_)
 import qualified Database.Esqueleto.PostgreSQL as E
 
 import qualified Data.Conduit.Combinators as C

src/Handler/Allocation/Accept.hs

@@ -13,7 +13,7 @@ import Data.Map ((!?))
 import qualified Data.Map as Map
 import qualified Data.Set as Set
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Control.Monad.State.Class as State
 
 import Data.Sequence (Seq((:|>)))

src/Handler/Allocation/Application.hs

@@ -14,7 +14,7 @@ import Handler.Utils
 import qualified Data.Text as Text
 import qualified Data.Set as Set
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Conduit.List as C
 
@@ -348,7 +348,7 @@ editApplicationR maId uid cid mAppId afMode allowAction postAction = do
       , allowAction afAction
       , Just appId <- mAppId
         -> runDB $ do
-          deleteCascade appId
+          delete appId
           audit $ TransactionCourseApplicationDeleted cid uid appId
           addMessageI Success $ MsgCourseApplicationDeleted courseShorthand
       | otherwise

src/Handler/Allocation/Compute.hs

@@ -12,7 +12,7 @@ import Handler.Allocation.Accept (SessionDataAllocationResults(..))
 import qualified Data.Set as Set
 import qualified Data.Map as Map
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Control.Monad.State.Class as State

src/Handler/Allocation/EditUser.hs

@@ -16,7 +16,7 @@ import qualified Data.Conduit.Combinators as C
 
 import Handler.Utils.Delete
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import Handler.Course.Register (deregisterParticipant)

src/Handler/Allocation/Form.hs

@@ -7,7 +7,7 @@ import Import
 
 import Handler.Utils
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Map.Strict as Map
 import qualified Data.Set as Set

src/Handler/Allocation/List.hs

@@ -8,7 +8,7 @@ import Import
 
 import Utils.Course (mayViewCourse)
   
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 import Handler.Utils.Table.Columns
 import Handler.Utils.Table.Pagination

src/Handler/Allocation/Prios.hs

@@ -8,7 +8,7 @@ import Handler.Utils
 import Handler.Utils.Csv
 import Handler.Utils.Allocation
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Data.Conduit.List as C

src/Handler/Allocation/Show.hs

@@ -12,7 +12,7 @@ import Handler.Utils.Allocation (allocationNotifyNewCourses)
 import Handler.Allocation.Register
 import Handler.Allocation.Application
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 

src/Handler/Allocation/UserForm.hs

@@ -12,7 +12,7 @@ import Handler.Allocation.Application
 
 import Handler.Utils
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 import qualified Database.Esqueleto.PostgreSQL as E
 import qualified Data.Map.Strict as Map

src/Handler/Allocation/Users.hs

@@ -12,7 +12,7 @@ import Handler.Utils
 import Handler.Utils.Allocation
 import Handler.Utils.StudyFeatures
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Data.Csv as Csv

src/Handler/Course.hs

@@ -4,7 +4,7 @@ module Handler.Course
 
 import Import
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Persist as P
 
 import Handler.Course.Communication as Handler.Course

src/Handler/Course/Application/Files.hs

@@ -10,7 +10,7 @@ import Handler.Utils
 
 import qualified Data.Conduit.List as C
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.CaseInsensitive as CI
 

src/Handler/Course/Application/List.hs

@@ -9,7 +9,7 @@ import Import
 
 import Handler.Utils
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 import Database.Esqueleto.Utils.TH
 

src/Handler/Course/Communication.hs

@@ -9,7 +9,7 @@ import Handler.Utils.Communication
 
 import qualified Data.Map as Map
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 
 getCCommR, postCCommR :: TermId -> SchoolId -> CourseShorthand -> Handler Html

src/Handler/Course/Edit.hs

@@ -18,7 +18,7 @@ import qualified Data.Map as Map
 
 import qualified Control.Monad.State.Class as State
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import Jobs.Queue

src/Handler/Course/Events/Form.hs

@@ -8,7 +8,7 @@ import Import
 import Handler.Utils
 import Handler.Utils.Form.Occurrences
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 
 data CourseEventForm = CourseEventForm

src/Handler/Course/List.hs

@@ -17,7 +17,7 @@ import Utils.Form
 -- import Utils.DB
 import Handler.Utils hiding (colSchoolShort)
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Data.CaseInsensitive as CI

src/Handler/Course/News/Download.hs

@@ -6,7 +6,7 @@ module Handler.Course.News.Download
 import Import
 import Handler.Utils
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Conduit.List as C
 

src/Handler/Course/Register.hs

@@ -18,7 +18,7 @@ import qualified Data.Text as Text
 import qualified Data.Conduit.List as C
 
 import Database.Persist.Sql (transactionUndo)
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 

src/Handler/Course/Show.hs

@@ -15,7 +15,7 @@ import qualified Data.CaseInsensitive as CI
 
 import qualified Data.Map as Map
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 import Database.Esqueleto.Utils.TH
 

src/Handler/Course/User.hs

@@ -9,7 +9,7 @@ import Handler.Utils
 import Handler.Utils.SheetType
 import Database.Esqueleto.Utils.TH
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import Database.Persist.Sql (deleteWhereCount)

src/Handler/Course/Users.hs

@@ -23,7 +23,7 @@ import qualified Data.Map as Map
 import qualified Data.Text as Text
 import qualified Data.Vector as Vector
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Csv as Csv
 

src/Handler/Exam/AutoOccurrence.hs

@@ -12,7 +12,7 @@ import Handler.Utils.Exam
 import qualified Data.Map as Map
 import qualified Data.Set as Set
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import Database.Persist.Sql (updateWhereCount)
 
 newtype ExamAutoOccurrenceCalculateForm = ExamAutoOccurrenceCalculateForm

src/Handler/Exam/Correct.hs

@@ -7,7 +7,7 @@ import Import
 import qualified Data.Set as Set
 import qualified Data.CaseInsensitive as CI
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 import Database.Persist.Sql (transactionUndo)
 

src/Handler/Exam/Edit.hs

@@ -14,7 +14,7 @@ import Handler.Utils.Invitations
 
 import Jobs.Queue
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 

src/Handler/Exam/Form.hs

@@ -18,7 +18,7 @@ import Data.Map ((!))
 import qualified Data.Map as Map
 import qualified Data.Set as Set
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Control.Monad.State.Class as State

src/Handler/Exam/List.hs

@@ -9,7 +9,7 @@ import Handler.Utils
 
 import qualified Data.Map as Map
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 

src/Handler/Exam/Show.hs

@@ -12,7 +12,7 @@ import Handler.ExamOffice.Exam (examCloseWidget, examFinishWidget)
 import Data.Map ((!?))
 import qualified Data.Map as Map
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Data.CaseInsensitive as CI

src/Handler/Exam/Users.hs

@@ -16,7 +16,7 @@ import Handler.Exam.AutoOccurrence (examAutoOccurrenceCalculateWidget)
 
 import Handler.ExamOffice.Exam (examCloseWidget, examFinishWidget)
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 import Database.Esqueleto.Utils.TH
 

src/Handler/ExamOffice/Course.hs

@@ -6,7 +6,7 @@ import Import
 
 import qualified Data.Set as Set
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import Handler.Utils.ExamOffice.Course

src/Handler/ExamOffice/Exam.hs

@@ -11,7 +11,7 @@ import Handler.Utils.Exam
 import Handler.Utils.Csv
 import qualified Handler.Utils.ExamOffice.Exam as Exam
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Data.Csv as Csv

src/Handler/ExamOffice/Exams.hs

@@ -10,7 +10,7 @@ import Handler.Utils
 import qualified Handler.Utils.ExamOffice.Exam as Exam
 import qualified Handler.Utils.ExamOffice.ExternalExam as ExternalExam
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Colonnade

src/Handler/ExamOffice/Fields.hs

@@ -6,7 +6,7 @@ module Handler.ExamOffice.Fields
 import Import
 import Utils.Form
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Set as Set
 import qualified Data.Map as Map

src/Handler/ExamOffice/Users.hs

@@ -13,7 +13,7 @@ import Handler.Utils.Invitations
 import Data.Aeson hiding (Result(..))
 import Jobs.Queue
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Set as Set
 import qualified Data.Map as Map

src/Handler/ExternalExam/Correct.hs

@@ -7,7 +7,7 @@ import Import
 import qualified Data.Set as Set
 import qualified Data.List.NonEmpty as NonEmpty (toList)
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 --import qualified Database.Esqueleto.Utils as E
 import Database.Persist.Sql (transactionUndo)
 

src/Handler/ExternalExam/Form.hs

@@ -13,7 +13,7 @@ import Data.Map ((!))
 
 import qualified Control.Monad.State.Class as State
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 
 data ExternalExamForm = ExternalExamForm

src/Handler/ExternalExam/List.hs

@@ -6,7 +6,7 @@ import Import
 
 import Handler.Utils
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Data.Map as Map

src/Handler/ExternalExam/Show.hs

@@ -11,7 +11,7 @@ import Handler.ExternalExam.StaffInvite ()
 import qualified Data.CaseInsensitive as CI
 import qualified Data.Map as Map
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 
 getEEShowR :: TermId -> SchoolId -> CourseName -> ExamName -> Handler Html

src/Handler/Info.hs

@@ -9,7 +9,7 @@ import Data.Map ((!))
 import qualified Data.CaseInsensitive as CI
 import qualified Data.Set as Set
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import Development.GitRev

src/Handler/Material.hs

@@ -17,7 +17,7 @@ import qualified Data.Conduit.List as C
 import qualified Data.CaseInsensitive as CI
 -- import qualified Data.Text.Encoding as Text
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import Utils.Form
 import Handler.Utils

src/Handler/News.hs

@@ -11,7 +11,7 @@ import qualified Data.Map.Strict as Map
 import qualified Data.Set as Set
   
 import Database.Esqueleto.Utils.TH
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Data.Conduit.List as C (consume, mapMaybeM)

src/Handler/Participants.hs

@@ -8,7 +8,7 @@ module Handler.Participants
 import Import
 import Handler.Utils
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Data.Map as Map

src/Handler/Profile.hs

@@ -18,7 +18,7 @@ import Handler.Utils.Profile
 import Data.Map ((!))
 import qualified Data.Map as Map
 import qualified Data.Set as Set
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 -- import           Database.Esqueleto      ((^.))
 import qualified Data.Text as Text

src/Handler/School.hs

@@ -3,7 +3,7 @@ module Handler.School where
 import Import
 import Handler.Utils
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Set as Set
 import qualified Data.CaseInsensitive as CI

src/Handler/Sheet/Delete.hs

@@ -7,7 +7,7 @@ import Import
 import Handler.Utils.Delete
 import Handler.Utils.Sheet
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Set as Set
 

src/Handler/Sheet/Download.hs

@@ -9,7 +9,7 @@ import Handler.Utils
 
 import qualified Data.Conduit.Combinators as C
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 

src/Handler/Sheet/Form.hs

@@ -9,7 +9,7 @@ import Import
 import Handler.Utils
 import Handler.Utils.Invitations
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Set as Set
 import qualified Data.Map as Map

src/Handler/Sheet/List.hs

@@ -8,7 +8,7 @@ import Utils.Sheet
 import Handler.Utils
 import Handler.Utils.SheetType
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Data.Map as Map

src/Handler/Sheet/New.hs

@@ -6,7 +6,7 @@ import Import
 
 import Handler.Utils
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Map as Map
 

src/Handler/Sheet/PersonalisedFiles.hs

@@ -32,7 +32,7 @@ import Language.Haskell.TH (nameBase)
 import qualified Data.CryptoID.ByteString as CryptoID
 import qualified Data.CryptoID.Class.ImplicitNamespace as I
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Map as Map
 import qualified Data.Set as Set

src/Handler/Sheet/PersonalisedFiles/Meta.hs

@@ -18,7 +18,7 @@ import qualified Data.YAML.Token as YAML (Encoding(..))
 
 import Control.Monad.Trans.State.Lazy (evalState)
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.CaseInsensitive as CI
 

src/Handler/Sheet/Show.hs

@@ -6,7 +6,7 @@ import Import hiding (link)
 
 import Handler.Utils
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Data.Map as Map

src/Handler/Submission.hs

@@ -30,7 +30,7 @@ import Handler.Utils
 
 import Import
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 
 getSubmissionOwnR :: TermId -> SchoolId -> CourseShorthand -> SheetName -> Handler Html

src/Handler/Submission/Assign.hs

@@ -18,7 +18,7 @@ import qualified Data.Map.Strict as Map
 import qualified Data.Text as Text
 import qualified Data.CaseInsensitive as CI
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import Data.List.NonEmpty (unzip)
 

src/Handler/Submission/Correction.hs

@@ -14,7 +14,7 @@ import qualified Data.Text as Text
 
 import qualified Control.Monad.State.Class as State
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 

src/Handler/Submission/Create.hs

@@ -16,7 +16,7 @@ import qualified Data.Text as Text
 
 import qualified Control.Monad.State.Class as State
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import Data.List (genericLength)
 

src/Handler/Submission/Download.hs

@@ -11,7 +11,7 @@ import Handler.Utils.Submission
 
 import qualified Data.Set as Set
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Conduit.Combinators as Conduit
 

src/Handler/Submission/Helper.hs

@@ -14,7 +14,7 @@ import Handler.Utils.Invitations
 
 import Data.Maybe (fromJust)
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 import qualified Database.Esqueleto.Internal.Internal as E (unsafeSqlFunction)
 

src/Handler/Submission/List.hs

@@ -26,7 +26,7 @@ import qualified Data.Text as Text
 import qualified Data.CaseInsensitive as CI
 
 import Database.Esqueleto.Utils.TH
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 import qualified Database.Esqueleto.Internal.Internal as IE (From)
 

src/Handler/SystemMessage.hs

@@ -17,7 +17,7 @@ import qualified Data.List.NonEmpty as NonEmpty
 import Handler.Utils
 import Handler.Utils.News
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 -- htmlField' moved to Handler.Utils.Form/Fields
 
@@ -257,7 +257,7 @@ postMessageListR = do
     FormSuccess (SMDDelete, selection)
       | not $ null selection -> do
           selection' <- traverse decrypt $ Set.toList selection
-          runDB $ deleteCascadeWhere [ SystemMessageId <-. selection' ]
+          runDB $ deleteWhere [ SystemMessageId <-. selection' ]
           $(addMessageFile Success "templates/messages/systemMessagesDeleted.hamlet")
           redirect MessageListR
     FormSuccess (SMDActivate ts, selection)

src/Handler/Term.hs

@@ -13,7 +13,7 @@ import Handler.Utils
 import qualified Data.Map.Strict as Map
 import Data.Map.Strict ((!))
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Set as Set
 

src/Handler/Tutorial/Communication.hs

@@ -7,7 +7,7 @@ import Handler.Utils
 import Handler.Utils.Tutorial
 import Handler.Utils.Communication
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import qualified Data.Map as Map

src/Handler/Tutorial/Delete.hs

@@ -7,7 +7,7 @@ import Handler.Utils
 import Handler.Utils.Tutorial
 import Handler.Utils.Delete
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Set as Set
 

src/Handler/Tutorial/Edit.hs

@@ -8,7 +8,7 @@ import Handler.Utils.Tutorial
 import Handler.Utils.Invitations
 import Jobs.Queue
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import qualified Data.Map as Map
 import qualified Data.Set as Set

src/Handler/Tutorial/Form.hs

@@ -7,7 +7,7 @@ import Import
 import Handler.Utils
 import Handler.Utils.Form.Occurrences
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import Data.Map ((!))
 import qualified Data.Set as Set

src/Handler/Tutorial/List.hs

@@ -6,7 +6,7 @@ import Import
 import Handler.Utils
 import Handler.Utils.Tutorial
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 import Database.Esqueleto.Utils.TH
 

src/Handler/Tutorial/Users.hs

@@ -15,7 +15,7 @@ import qualified Data.CaseInsensitive as CI
 import qualified Data.Set as Set
 import qualified Data.Map as Map
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 
 import Handler.Course.Users
 

src/Handler/Users.hs

@@ -19,7 +19,7 @@ import qualified Data.CaseInsensitive as CI
 import qualified Data.Set as Set
 import qualified Data.Map as Map
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import Handler.Profile (makeProfileData)
@@ -503,9 +503,9 @@ deleteUser duid = do
 
     groupSubmissions  <- selectSubmissionsWhere (\numBuddies -> numBuddies E.>.  E.val (0::Int64))
     singleSubmissions <- selectSubmissionsWhere (\numBuddies -> numBuddies E.==. E.val (0::Int64))
-    deleteCascade duid
+    delete duid -- cascade is now defined in models files; therefor does not cascade at all currently (2021-06-27); not even SubmissionUser...
     forM_ singleSubmissions $ \(E.Value submissionId) -> do
-      deleteCascade submissionId
+      delete submissionId -- ditto
 
     deletedSubmissionGroups <- deleteSingleSubmissionGroups
     return ((length singleSubmissions, length groupSubmissions),deletedSubmissionGroups)

src/Handler/Utils/Allocation.hs

@@ -13,7 +13,7 @@ import Import
 
 import qualified Data.Map.Strict as Map
 
-import qualified Database.Esqueleto as E
+import qualified Database.Esqueleto.Legacy as E
 import qualified Database.Esqueleto.Utils as E
 
 import Control.Monad.Trans.State (execStateT)