283 lines
17 KiB
Haskell
283 lines
17 KiB
Haskell
module Handler.Course.Show
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( getCShowR
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, getCRegisterTemplateR
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) where
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import Import
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import Utils.Form
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import Handler.Utils
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import qualified Database.Esqueleto.Utils as E
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import Database.Esqueleto.Utils.TH
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import qualified Data.CaseInsensitive as CI
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import qualified Data.Map as Map
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import qualified Database.Esqueleto as E
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import Handler.Course.Register
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import System.FilePath (addExtension, pathSeparator)
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import qualified Data.Conduit.List as C
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getCShowR :: TermId -> SchoolId -> CourseShorthand -> Handler Html
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getCShowR tid ssh csh = do
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mbAid <- maybeAuthId
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(cid,course,schoolName,participants,registration,lecturers,assistants,correctors,tutors,mAllocation,hasApplicationTemplate,mApplication,news,events) <- runDB . maybeT notFound $ do
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[(E.Entity cid course, E.Value schoolName, E.Value participants, fmap entityVal -> registration)]
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<- lift . E.select . E.from $
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\((school `E.InnerJoin` course) `E.LeftOuterJoin` participant) -> do
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E.on $ E.just (course E.^. CourseId) E.==. participant E.?. CourseParticipantCourse
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E.&&. E.val mbAid E.==. participant E.?. CourseParticipantUser
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E.on $ course E.^. CourseSchool E.==. school E.^. SchoolId
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E.where_ $ course E.^. CourseTerm E.==. E.val tid
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E.&&. course E.^. CourseSchool E.==. E.val ssh
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E.&&. course E.^. CourseShorthand E.==. E.val csh
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E.limit 1 -- we know that there is at most one match, but we tell the DB this info too
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let numParticipants = E.sub_select . E.from $ \part -> do
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E.where_ $ part E.^. CourseParticipantCourse E.==. course E.^. CourseId
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return ( E.countRows :: E.SqlExpr (E.Value Int))
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return (course,school E.^. SchoolName, numParticipants, participant)
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staff <- lift . E.select $ E.from $ \(lecturer `E.InnerJoin` user) -> do
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E.on $ lecturer E.^. LecturerUser E.==. user E.^. UserId
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E.where_ $ lecturer E.^. LecturerCourse E.==. E.val cid
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E.orderBy [ E.asc $ user E.^. UserSurname, E.asc $ user E.^. UserDisplayName ]
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return ( lecturer E.^. LecturerType
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, user E.^. UserDisplayEmail, user E.^. UserDisplayName, user E.^. UserSurname)
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let partStaff :: (LecturerType, UserEmail, Text, Text) -> Either (UserEmail, Text, Text) (UserEmail, Text, Text)
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partStaff (CourseLecturer ,name,surn,mail) = Right (name,surn,mail)
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partStaff (_courseAssistant,name,surn,mail) = Left (name,surn,mail)
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(assistants,lecturers) = partitionWith partStaff $ map $(unValueN 4) staff
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correctors <- fmap (map $(unValueN 3)) . lift . E.select $ E.from $ \(sheet `E.InnerJoin` sheetCorrector `E.InnerJoin` user) -> E.distinctOnOrderBy [E.asc $ user E.^. UserSurname, E.asc $ user E.^. UserDisplayName, E.asc $ user E.^. UserEmail ] $ do
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E.on $ sheetCorrector E.^. SheetCorrectorUser E.==. user E.^. UserId
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E.on $ sheetCorrector E.^. SheetCorrectorSheet E.==. sheet E.^. SheetId
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E.where_ $ sheet E.^. SheetCourse E.==. E.val cid
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E.orderBy [ E.asc $ user E.^. UserSurname, E.asc $ user E.^. UserDisplayName ]
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return ( user E.^. UserEmail, user E.^. UserDisplayName, user E.^. UserSurname )
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tutors <- fmap (map $(unValueN 3)) . lift . E.select $ E.from $ \(tutorial `E.InnerJoin` tutor `E.InnerJoin` user) -> E.distinctOnOrderBy [E.asc $ user E.^. UserSurname, E.asc $ user E.^. UserDisplayName, E.asc $ user E.^. UserEmail ] $ do
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E.on $ tutor E.^. TutorUser E.==. user E.^. UserId
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E.on $ tutor E.^. TutorTutorial E.==. tutorial E.^. TutorialId
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E.where_ $ tutorial E.^. TutorialCourse E.==. E.val cid
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E.orderBy [ E.asc $ user E.^. UserSurname, E.asc $ user E.^. UserDisplayName ]
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return ( user E.^. UserEmail, user E.^. UserDisplayName, user E.^. UserSurname )
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mAllocation <- fmap (fmap entityVal . listToMaybe) . lift . E.select . E.from $ \(allocation `E.InnerJoin` allocationCourse) -> do
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E.on $ allocation E.^. AllocationId E.==. allocationCourse E.^. AllocationCourseAllocation
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E.where_ $ allocationCourse E.^. AllocationCourseCourse E.==. E.val cid
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E.limit 1
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return allocation
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hasApplicationTemplate <- lift . E.selectExists . E.from $ \courseAppInstructionFile ->
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E.where_ $ courseAppInstructionFile E.^. CourseAppInstructionFileCourse E.==. E.val cid
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mApplication <- lift . fmap (listToMaybe =<<) . for mbAid $ \uid -> selectList [CourseApplicationCourse ==. cid, CourseApplicationUser ==. uid, CourseApplicationAllocation ==. Nothing] []
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news' <- lift $ selectList [ CourseNewsCourse ==. cid ] [ Desc CourseNewsVisibleFrom, Desc CourseNewsTitle, Desc CourseNewsSummary, Desc CourseNewsContent ]
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cTime <- NTop . Just <$> liftIO getCurrentTime
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news <- forMaybeM news' $ \(Entity nId n@CourseNews{..}) -> do
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cID <- encrypt nId :: MaybeT (MaybeT DB) CryptoUUIDCourseNews
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guardM . hasReadAccessTo $ CNewsR tid ssh csh cID CNShowR
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let visible = cTime >= NTop courseNewsVisibleFrom
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files' <- lift . lift . E.select . E.from $ \(newsFile `E.InnerJoin` file) -> do
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E.on $ file E.^. FileId E.==. newsFile E.^. CourseNewsFileFile
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E.where_ $ newsFile E.^. CourseNewsFileNews E.==. E.val nId
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return (E.isNothing $ file E.^. FileContent, file E.^. FileTitle)
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let files = files'
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& over (mapped . _1) E.unValue
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& over (mapped . _2) E.unValue
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lastEditText <- formatTime SelFormatDateTime $ maybe id max (guardOn visible =<< courseNewsVisibleFrom) courseNewsLastEdit
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mayEdit <- hasWriteAccessTo $ CNewsR tid ssh csh cID CNEditR
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mayDelete <- hasWriteAccessTo $ CNewsR tid ssh csh cID CNDeleteR
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return (cID, n, visible, files, lastEditText, mayEdit, mayDelete)
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events' <- fmap (sortOn $ courseEventTime . entityVal) . lift $ selectList [ CourseEventCourse ==. cid ] []
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events <- mapM (\(Entity evId ev) -> (, ev) <$> encrypt evId) events'
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return (cid,course,schoolName,participants,registration,lecturers,assistants,correctors,tutors,mAllocation,hasApplicationTemplate,mApplication,news,events)
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let mDereg' = maybe id min (allocationOverrideDeregister =<< mAllocation) <$> courseDeregisterUntil course
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mDereg <- traverse (formatTime SelFormatDateTime) mDereg'
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cID <- encrypt cid :: Handler CryptoUUIDCourse
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mAllocation' <- for mAllocation $ \alloc@Allocation{..} -> (,)
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<$> pure alloc
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<*> toTextUrl (AllocationR allocationTerm allocationSchool allocationShorthand AShowR :#: cID)
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regForm <- if
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| is _Just mbAid -> do
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(courseRegisterForm', regButton) <- courseRegisterForm (Entity cid course)
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(regWidget, regEnctype) <- generateFormPost $ renderAForm FormStandard courseRegisterForm'
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return $ wrapForm' regButton regWidget def
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{ formAction = Just . SomeRoute $ CourseR tid ssh csh CRegisterR
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, formEncoding = regEnctype
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, formSubmit = FormSubmit
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}
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| otherwise
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-> return . modal $(widgetFile "course/login-to-register") . Left . SomeRoute $ AuthR LoginR
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registrationOpen <- hasWriteAccessTo $ CourseR tid ssh csh CRegisterR
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let
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tutorialDBTable = DBTable{..}
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where
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dbtSQLQuery tutorial = do
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E.where_ $ tutorial E.^. TutorialCourse E.==. E.val cid
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return tutorial
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dbtRowKey = (E.^. TutorialId)
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dbtProj = return
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dbtColonnade = dbColonnade $ mconcat
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[ sortable (Just "type") (i18nCell MsgTutorialType) $ \DBRow{ dbrOutput = Entity _ Tutorial{..} } -> textCell $ CI.original tutorialType
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, sortable (Just "name") (i18nCell MsgTutorialName) $ \DBRow{ dbrOutput = Entity _ Tutorial{..} } -> indicatorCell <> anchorCell (CTutorialR tid ssh csh tutorialName TUsersR) [whamlet|#{tutorialName}|]
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, sortable Nothing (i18nCell MsgTutorialTutors) $ \DBRow{ dbrOutput = Entity tutid _ } -> sqlCell $ do
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tutTutors <- fmap (map $(unValueN 3)) . E.select . E.from $ \(tutor `E.InnerJoin` user) -> do
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E.on $ tutor E.^. TutorUser E.==. user E.^. UserId
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E.where_ $ tutor E.^. TutorTutorial E.==. E.val tutid
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return (user E.^. UserEmail, user E.^. UserDisplayName, user E.^. UserSurname)
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return [whamlet|
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$newline never
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<ul .list--iconless .list--inline .list--comma-separated>
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$forall tutor <- tutTutors
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<li>
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^{nameEmailWidget' tutor}
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|]
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, sortable (Just "room") (i18nCell MsgTutorialRoom) $ \DBRow{ dbrOutput = Entity _ Tutorial{..} } -> textCell tutorialRoom
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, sortable Nothing (i18nCell MsgTutorialTime) $ \DBRow{ dbrOutput = Entity _ Tutorial{..} } -> occurrencesCell tutorialTime
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, sortable (Just "register-from") (i18nCell MsgTutorialRegisterFrom) $ \DBRow{ dbrOutput = Entity _ Tutorial{..} } -> maybeDateTimeCell tutorialRegisterFrom
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, sortable (Just "register-to") (i18nCell MsgTutorialRegisterTo) $ \DBRow{ dbrOutput = Entity _ Tutorial{..} } -> maybeDateTimeCell tutorialRegisterTo
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, sortable (Just "deregister-until") (i18nCell MsgTutorialDeregisterUntil) $ \DBRow{ dbrOutput = Entity _ Tutorial{..} } -> maybeDateTimeCell tutorialDeregisterUntil
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, sortable Nothing (i18nCell MsgTutorialFreeCapacity) $ \DBRow{ dbrOutput = Entity tutid Tutorial{..} } -> case tutorialCapacity of
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Nothing -> mempty
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Just tutorialCapacity' -> sqlCell $ do
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freeCapacity <- fmap (maybe 0 (max 0 . E.unValue) . listToMaybe)
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. E.select $ let numParticipants = E.sub_select . E.from $ \participant -> do
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E.where_ $ participant E.^. TutorialParticipantTutorial E.==. E.val tutid
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return E.countRows :: E.SqlQuery (E.SqlExpr (E.Value Int))
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in return $ E.val tutorialCapacity' E.-. numParticipants
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return . toWidget $ tshow freeCapacity
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, sortable Nothing mempty $ \DBRow{ dbrOutput = Entity tutId Tutorial{..} } -> sqlCell $ do
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mayRegister <- (== Authorized) <$> evalAccessDB (CTutorialR tid ssh csh tutorialName TRegisterR) True
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isRegistered <- case mbAid of
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Nothing -> return False
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Just uid -> existsBy $ UniqueTutorialParticipant tutId uid
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if
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| mayRegister -> do
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(tutRegisterForm, tutRegisterEnctype) <- liftHandler . generateFormPost . buttonForm' $ bool [BtnRegister] [BtnDeregister] isRegistered
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return $ wrapForm tutRegisterForm def
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{ formAction = Just . SomeRoute $ CTutorialR tid ssh csh tutorialName TRegisterR
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, formEncoding = tutRegisterEnctype
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, formSubmit = FormNoSubmit
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}
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| isRegistered -> return [whamlet|_{MsgTutorialRegistered}|]
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| otherwise -> return mempty
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]
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dbtSorting = Map.fromList
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[ ("type", SortColumn $ \tutorial -> tutorial E.^. TutorialType )
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, ("name", SortColumn $ \tutorial -> tutorial E.^. TutorialName )
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, ("room", SortColumn $ \tutorial -> tutorial E.^. TutorialRoom )
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, ("register-from", SortColumn $ \tutorial -> tutorial E.^. TutorialRegisterFrom )
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, ("register-to", SortColumn $ \tutorial -> tutorial E.^. TutorialRegisterTo )
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, ("deregister-until", SortColumn $ \tutorial -> tutorial E.^. TutorialDeregisterUntil )
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]
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dbtFilter = Map.empty
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dbtFilterUI = const mempty
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dbtStyle = def
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dbtParams = def
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dbtIdent :: Text
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dbtIdent = "tutorials"
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dbtCsvEncode = noCsvEncode
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dbtCsvDecode = Nothing
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tutorialDBTableValidator = def
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& defaultSorting [SortAscBy "type", SortAscBy "name"]
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(Any hasTutorials, tutorialTable) <- runDB $ dbTable tutorialDBTableValidator tutorialDBTable
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let
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examDBTable = DBTable{..}
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where
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dbtSQLQuery exam = do
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E.where_ $ exam E.^. ExamCourse E.==. E.val cid
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return exam
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dbtRowKey = (E.^. ExamId)
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dbtProj r@DBRow{ dbrOutput = Entity _ Exam{..} } = do
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guardM . hasReadAccessTo $ CExamR tid ssh csh examName EShowR
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return r
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dbtColonnade = dbColonnade $ mconcat
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[ sortable (Just "name") (i18nCell MsgExamName) $ \DBRow{ dbrOutput = Entity _ Exam{..} } -> indicatorCell <> anchorCell (CExamR tid ssh csh examName EShowR) examName
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, sortable (Just "register-from") (i18nCell MsgExamRegisterFrom) $ \DBRow { dbrOutput = Entity _ Exam{..} } -> maybe mempty dateTimeCell examRegisterFrom
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, sortable (Just "register-to") (i18nCell MsgExamRegisterTo) $ \DBRow { dbrOutput = Entity _ Exam{..} } -> maybe mempty dateTimeCell examRegisterTo
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, sortable (Just "time") (i18nCell MsgExamTime) $ \DBRow{ dbrOutput = Entity _ Exam{..} } -> maybe mempty (cell . flip (formatTimeRangeW SelFormatDateTime) examEnd) examStart
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, sortable (Just "registered") (i18nCell MsgExamRegistration ) $ \DBRow{ dbrOutput = Entity eId Exam{..} } -> sqlCell $ do
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mayRegister <- (== Authorized) <$> evalAccessDB (CExamR tid ssh csh examName ERegisterR) True
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isRegistered <- case mbAid of
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Nothing -> return False
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Just uid -> existsBy $ UniqueExamRegistration eId uid
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let label = bool MsgExamNotRegistered MsgExamRegistered isRegistered
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examUrl = CExamR tid ssh csh examName EShowR
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if | mayRegister -> return $ simpleLinkI (SomeMessage label) examUrl
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| otherwise -> return [whamlet|_{label}|]
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-- , sortable Nothing mempty $ \DBRow{ dbrOutput = Entity eId Exam{..} } -> sqlCell $ do
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-- mayRegister <- (== Authorized) <$> evalAccessDB (CExamR tid ssh csh examName ERegisterR) True
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-- isRegistered <- case mbAid of
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-- Nothing -> return False
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-- Just uid -> existsBy $ UniqueExamRegistration eId uid
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-- if
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-- | mayRegister -> do
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-- (examRegisterForm, examRegisterEnctype) <- liftHandler . generateFormPost . buttonForm' $ bool [BtnExamRegister] [BtnExamDeregister] isRegistered
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-- return $ wrapForm examRegisterForm def
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-- { formAction = Just . SomeRoute $ CExamR tid ssh csh examName ERegisterR
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-- , formEncoding = examRegisterEnctype
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-- , formSubmit = FormNoSubmit
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-- }
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-- | isRegistered -> return [whamlet|_{MsgExamRegistered}|]
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-- | otherwise -> return mempty
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]
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dbtSorting = Map.fromList
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[ ("name", SortColumn $ \exam -> exam E.^. ExamName )
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, ("time", SortColumn $ \exam -> exam E.^. ExamStart )
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, ("register-from", SortColumn $ \exam -> exam E.^. ExamRegisterFrom )
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, ("register-to", SortColumn $ \exam -> exam E.^. ExamRegisterTo )
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, ("visible", SortColumn $ \exam -> exam E.^. ExamVisibleFrom )
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, ("registered", SortColumn $ \exam ->
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case mbAid of
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Nothing -> E.false
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Just uid ->
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E.exists $ E.from $ \reg -> do
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E.where_ $ reg E.^. ExamRegistrationUser E.==. E.val uid
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E.where_ $ reg E.^. ExamRegistrationExam E.==. exam E.^. ExamId
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)
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]
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dbtFilter = Map.empty
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dbtFilterUI = const mempty
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dbtStyle = def
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dbtParams = def
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dbtIdent :: Text
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dbtIdent = "exams"
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dbtCsvEncode = noCsvEncode
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dbtCsvDecode = Nothing
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examDBTableValidator = def
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& defaultSorting [SortAscBy "time"]
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(Any hasExams, examTable) <- runDB $ dbTable examDBTableValidator examDBTable
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let visibleNews = any (view _3) news
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showNewsFiles fs = and
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[ not $ null fs
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, length fs <= 3
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, all (notElem pathSeparator . view _2) fs
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]
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mayCreateNews <- hasWriteAccessTo $ CourseR tid ssh csh CNewsNewR
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mayCreateEvents <- hasWriteAccessTo $ CourseR tid ssh csh CEventsNewR
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siteLayout (toWgt $ courseName course) $ do
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setTitleI $ prependCourseTitle tid ssh csh (""::Text)
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$(widgetFile "course")
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getCRegisterTemplateR :: TermId -> SchoolId -> CourseShorthand -> Handler TypedContent
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getCRegisterTemplateR tid ssh csh = do
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archiveName <- fmap (flip addExtension (unpack extensionZip) . unpack). ap getMessageRender . pure $ MsgCourseApplicationTemplateArchiveName tid ssh csh
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let source = (.| C.map entityVal) . E.selectSource . E.from $ \(file `E.InnerJoin` courseAppInstructionFile `E.InnerJoin` course) -> do
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E.on $ course E.^. CourseId E.==. courseAppInstructionFile E.^. CourseAppInstructionFileCourse
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E.on $ courseAppInstructionFile E.^. CourseAppInstructionFileFile E.==. file E.^. FileId
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E.where_ $ course E.^. CourseTerm E.==. E.val tid
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E.&&. course E.^. CourseSchool E.==. E.val ssh
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E.&&. course E.^. CourseShorthand E.==. E.val csh
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return file
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serveSomeFiles archiveName source
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