Gregor Kleen
parent
8d13d9278f
commit
2d1f74b4a4
@ -26,6 +26,7 @@ Corrector for a sheet
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- may download their assigned anonymous homework submissions (submissions are identify through crypto-ids, no user-names)
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- may upload corrected and marked homework submissions for their assignments
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- may always download solution and sheet description files for their sheet, ignoring deadline constraints
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- may create homework submissions in the name of students (which identify themselves to the corrector by pseudonym; no association with real identity needed) for homework assignments which have their submission-mode set to "Submission external with pseudonym" by a lecturer
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Tutor for a tutorial of a course
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@ -35,7 +36,7 @@ Tutor for a tutorial of a course
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User (logged-in)
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- all logged-in users may use this role
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- no special school restrictions
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- may enrol in courses from any school
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- may enroll in courses from any school; enrollment is associated with a field of study the user had at the time
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- may submit homework for marking in enrolled courses
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- all rights that not logged-in users have
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@ -44,8 +45,9 @@ User (not logged-in)
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- can view course descriptions
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- can download course materials from courses that allow this for all un-enrolled users
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- can requests help from administrators
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- can log in with their campus-id creating a new user record in the process and elevating rights to "logged-in"
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Terminology:
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- participants: a logged-in users that is enrolled in a specific course
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- participants: a logged-in users that is enrolled in a specific course
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@ -1,4 +1,6 @@
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-- Configuration settings shared among all uni2work-instances for interoperability (Users can seamlessly switch between uni2work-instances (load-balancing need not attach users to an instance persistently))
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-- Mostly cryptographic keys
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ClusterConfig
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setting ClusterSettingsKey
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value Value
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setting ClusterSettingsKey -- I.e. Symmetric key for encrypting database-ids for use in URLs, Symmetric key for encrypting user-sessions so they can be saved directly as a browser-cookie, Symmetric key for encrypting error messages which might contain secret information, ...
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value Value -- JSON-encoded value
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Primary setting
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16
models/jobs
16
models/jobs
@ -1,13 +1,17 @@
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-- Routine tasks to be executed later
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-- Jobs to be executed as soon as possible in the background (so not to delay HTTP-responses, or triggered by cron-system without associated HTTP-Request)
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QueuedJob
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content Value
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creationInstance InstanceId -- multiple uni2work instances access the same database, but each job must be only executed once
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content Value -- JSON-encoded description of the work to be done (send an email to "test@example.org", find all recipients for a certain notifications and queue one new job each, distribute all submissions for a sheet to correctors, ...)
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creationInstance InstanceId -- multiple uni2work-instances access the same database, record which instance created this job for debugging purposes
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creationTime UTCTime
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lockInstance InstanceId Maybe -- instance that has started to execute this job
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lockTime UTCTime Maybe -- time when execution had begun
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deriving Eq Read Show Generic Typeable
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-- Jobs are deleted from @QueuedJob@ after they are executed successfully and recorded in @CronLastExec@
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-- There is a Cron-system that, at set intervals, queries the database for work to be done in the background (i.e. if a lecturer has set a sheet's submissions to be automatically distributed and the submission deadline passed since the last check, then queue a new job to actually do the distribution)
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-- For the cron-system to determine whether a job needs to be done it needs to know if and when it was last (or ever) executed (i.e. a sheet's submissions should not be distributed twice)
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CronLastExec
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job Value
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time UTCTime
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instance InstanceId
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job Value -- JSON-encoded description of work done
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time UTCTime -- When was the job executed
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instance InstanceId -- Which uni2work-instance did the work
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UniqueCronLastExec job
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@ -19,9 +19,13 @@ SheetEdit -- who edited when a row in table "Course", kept i
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user UserId
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time UTCTime
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sheet SheetId
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SheetPseudonym -- for anonoymous external submissions (ie paper submission tracked in uni2work)
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-- For anonoymous external submissions (i.e. paper submission tracked in uni2work)
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-- Map pseudonyms to users injectively in the context of a single sheet; for the next sheet all-new pseudonyms need to be created
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-- Chosen uniformly at random when the submitting user presses a button on the view of a sheet
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SheetPseudonym
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sheet SheetId
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pseudonym Pseudonym -- should be attached to submission
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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
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user UserId
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UniqueSheetPseudonym sheet pseudonym
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UniqueSheetPseudonymUser sheet user
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@ -1,12 +1,14 @@
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-- Messages shown to all users as soon as they visit the site/log in (i.e.: "System is going down for maintenance next sunday")
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-- Only administrators (of any school) should be able to create these via a web-interface
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SystemMessage
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from UTCTime Maybe
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to UTCTime Maybe
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authenticatedOnly Bool
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severity MessageStatus
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defaultLanguage Lang
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content Html
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from UTCTime Maybe -- Message is not shown before this date has passed (never shown, if null)
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to UTCTime Maybe -- Message is shown until this date has passed (shown forever, if null)
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authenticatedOnly Bool -- Show message to all users upon visiting the site or only upon login?
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severity MessageStatus -- Success, Warning, Error, Info, ...
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defaultLanguage Lang -- Language of @content@ and @summary@
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content Html -- Detailed message shown when clicking on the @summary@-popup or when no @summary@ is specified
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summary Html Maybe
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SystemMessageTranslation
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SystemMessageTranslation -- Translation of a @SystemMessage@ into another language; which language to choose is determined by user-sent HTTP-headers
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message SystemMessageId
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language Lang
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content Html
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Reference in New Issue
Block a user