Rough sketch of models/exams

models/exams

@@ -1,22 +1,40 @@
--- EXAMS ARE TODO; THIS IS JUST AN UNUSED STUB
 Exam
-    course              CourseId
+  course CourseId
-    name                Text
+  name (CI Text)
-    description         Text
+  gradingKey [Points] -- [n1,n2,n3,...] means 0 <= p < n1 -> p ~= 5, n1 <= p < n2 -> p ~ 4.7, n2 <= p < n3 -> p ~ 4.3, ...
-    begin               UTCTime
+  bonusRule ExamBonusRule
-    end                 UTCTime
+  occuranceRule ExamOccuranceRule
-    registrationBegin   UTCTime
+  registerFrom UTCTime Maybe
-    registrationEnd     UTCTime
+  registerTo UTCTime Maybe
-    deregistrationEnd   UTCTime
+  deregisterUntil UTCTime Maybe
-    ratingVisible       Bool     -- may participants see their own rating yet
+  start UTCTime
-    statisticsVisible   Bool     -- may participants view statistics over all participants (should not be allowed for 'small' courses)
+  end UTCTime Maybe
---ExamEdit
+  finished UTCTime Maybe -- Grades shown to students, `ExamCorrector`s locked out
---    user                UserId
+  closed Bool -- Prüfungsamt hat Einsicht (notification)
---    time                UTCTime
+  publicStatistics Bool
---    exam                ExamId
+  description Html Maybe
---ExamUser
+  UniqueExam course name
---    user                UserId
+ExamPart
---    examId              ExamId
+  exam ExamId
---    -- CONTINUE HERE: Include rating in this table or separately?
+  name (CI Text)
---    UniqueExamUser user   examId
+  maxPoints Points Maybe
--- By default this file is used in Model.hs (which is imported by Foundation.hs)
+  weight Rational
+  UniqueExamPart exam name
+ExamOccurance
+  exam ExamId
+  room Text
+  capacity Natural
+ExamRegistration
+  exam ExamId
+  user UserId
+  occurance ExamOccuranceId Maybe
+  UniqueExamRegistration exam user
+ExamResult
+  examPart ExamPartId
+  user UserId
+  result ExamPartResult
+  UniqueExamResult examPart user
+ExamCorrector
+  examPart ExamPartId
+  user UserId
+  UniqueExamCorrector examPart user

src/Model/Migration.hs

@@ -288,6 +288,10 @@ customMigrations = Map.fromListWith (>>)
         tableDropEmpty "tutorial"
         tableDropEmpty "tutorial_user"
     )
+  , ( AppliedMigrationKey [migrationVersion|12.0.0|] [version|13.0.0|]
+    , whenM (tableExists "exam") $ -- Exams were an unused stub before
+        tableDropEmpty "exam"
+    )
   ]
 
 

src/Model/Types.hs

@@ -366,9 +366,42 @@ classifySubmissionMode (SubmissionMode False (Just _)) = SubmissionModeUser
 classifySubmissionMode (SubmissionMode True  (Just _)) = SubmissionModeBoth
 
 
-data ExamStatus = Attended | NoShow | Voided
+data ExamPartResult = ExamAttended { examPartResult :: Maybe Points }
-  deriving (Show, Read, Eq, Ord, Enum, Bounded, Generic)
+                    | ExamNoShow
-derivePersistField "ExamStatus"
+                    | ExamVoided
+  deriving (Show, Read, Eq, Ord, Generic, Typeable)
+deriveJSON defaultOptions
+  { constructorTagModifier = camelToPathPiece' 1
+  , fieldLabelModifier = camelToPathPiece' 2
+  , omitNothingFields = True
+  , sumEncoding = TaggedObject "status" "result"
+  } ''ExamPartResult
+derivePersistFieldJSON ''ExamPartResult
+
+data ExamBonusRule = ExamNoBonus
+                   | ExamBonusPoints
+                     { bonusExchangeRate :: Rational
+                     , bonusOnlyPassed :: Bool
+                     }
+  deriving (Show, Read, Eq, Ord, Generic, Typeable)
+deriveJSON defaultOptions
+  { constructorTagModifier = camelToPathPiece' 1
+  , fieldLabelModifier = camelToPathPiece' 1
+  , sumEncoding = TaggedObject "rule" "settings"
+  } ''ExamBonusRule
+derivePersistFieldJSON ''ExamBonusRule
+
+data ExamOccuranceRule = ExamRoomManual
+                       | ExamRoomSurname
+                       | ExamRoomMatriculation
+                       | ExamRoomRandom
+  deriving (Show, Read, Eq, Ord, Generic, Typeable)
+deriveJSON defaultOptions
+  { constructorTagModifier = camelToPathPiece' 2
+  , fieldLabelModifier = camelToPathPiece' 1
+  , sumEncoding = TaggedObject "rule" "settings"
+  } ''ExamOccuranceRule
+derivePersistFieldJSON ''ExamOccuranceRule
 
 -- | Specify a corrector's workload
 data Load -- = ByTutorial { countsToLoad :: Bool } | ByProportion { load :: Rational }