fradrive/src/Handler/Submission/Download.hs
Gregor Kleen a6390eccbd fix(submissions): take care when to display corrections
Also cleanup usage of Utils via hlint
2021-03-18 23:12:36 +01:00

100 lines
4.3 KiB
Haskell

module Handler.Submission.Download
( getSubDownloadR, subDownloadSource
, getSubArchiveR, subArchiveSource
, getCorrectionsDownloadR
) where
import Import
import Handler.Utils
import Handler.Utils.Submission
import qualified Data.Set as Set
import qualified Database.Esqueleto as E
import qualified Data.Conduit.Combinators as Conduit
subDownloadSource :: TermId -> SchoolId -> CourseShorthand -> SheetName -> CryptoFileNameSubmission -> SubmissionFileType -> FilePath -> ConduitT () SubmissionFile (YesodDB UniWorX) ()
subDownloadSource tid ssh csh shn cID (submissionFileTypeIsUpdate -> isUpdate) path = maybeT_ $ do
(submissionID, isRating) <- hoist lift $ do
submissionID <- lift $ submissionMatchesSheet tid ssh csh shn cID
isRating <- lift $ (== Just submissionID) <$> isRatingFile path
when (isUpdate || isRating) $
guardM . lift . hasReadAccessTo $ CSubmissionR tid ssh csh shn cID CorrectionR
return (submissionID, isRating)
lift . unless isRating $ (.| Conduit.map entityVal) . E.selectSource . E.from $ \sf -> do
E.where_ $ sf E.^. SubmissionFileSubmission E.==. E.val submissionID
E.&&. sf E.^. SubmissionFileTitle E.==. E.val path
E.&&. E.not_ (sf E.^. SubmissionFileIsDeletion)
E.&&. sf E.^. SubmissionFileIsUpdate E.==. E.val isUpdate
-- E.&&. E.not_ (E.isNothing $ f E.^. FileContent) -- This is fine, we just return 204
return sf
getSubDownloadR :: TermId -> SchoolId -> CourseShorthand -> SheetName -> CryptoFileNameSubmission -> SubmissionFileType -> FilePath -> Handler TypedContent
getSubDownloadR tid ssh csh shn cID sft@(submissionFileTypeIsUpdate -> isUpdate) path = do
(submissionID, isRating) <- runDB $ do
submissionID <- submissionMatchesSheet tid ssh csh shn cID
isRating <- (== Just submissionID) <$> isRatingFile path
when (isUpdate || isRating) $
guardAuthResult =<< evalAccessDB (CSubmissionR tid ssh csh shn cID CorrectionR) False
return (submissionID, isRating)
case isRating of
True
| isUpdate -> maybe notFound sendThisFile <=< runDB . runMaybeT $
lift . ratingFile cID =<< MaybeT (getRating submissionID)
| otherwise -> notFound
False -> serveOneFile $ subDownloadSource tid ssh csh shn cID sft path
subArchiveSource :: TermId -> SchoolId -> CourseShorthand -> SheetName -> CryptoFileNameSubmission -> SubmissionFileType -> ConduitT () (Either SubmissionFile DBFile) (YesodDB UniWorX) ()
subArchiveSource tid ssh csh shn cID sfType = maybeT_ $ do
when (sfType == SubmissionCorrected) $
guardM . lift . lift . hasReadAccessTo $ CSubmissionR tid ssh csh shn cID CorrectionR
lift $ do
submissionID <- lift $ submissionMatchesSheet tid ssh csh shn cID
rating <- lift $ getRating submissionID
case sfType of
SubmissionOriginal -> (.| Conduit.map (Left . entityVal)) . E.selectSource . E.from $ \sf -> do
E.where_ $ sf E.^. SubmissionFileSubmission E.==. E.val submissionID
E.&&. sf E.^. SubmissionFileIsUpdate E.==. E.val False
return sf
_other -> E.selectSource (E.from $ submissionFileQuery submissionID) .| Conduit.map (Left . entityVal)
when (sfType == SubmissionCorrected) $
maybe (return ()) (yieldM . fmap Right . ratingFile cID) rating
getSubArchiveR :: TermId -> SchoolId -> CourseShorthand -> SheetName -> CryptoFileNameSubmission -> SubmissionFileType -> Handler TypedContent
getSubArchiveR tid ssh csh shn cID sfType = do
when (sfType == SubmissionCorrected) $
guardAuthResult =<< evalAccess (CSubmissionR tid ssh csh shn cID CorrectionR) False
sfType' <- ap getMessageRender $ pure sfType
archiveName <- fmap (flip addExtension (unpack extensionZip) . unpack) . ap getMessageRender . pure $ MsgSubmissionTypeArchiveName tid ssh csh shn cID sfType'
serveSomeFiles' archiveName $ subArchiveSource tid ssh csh shn cID sfType
getCorrectionsDownloadR :: Handler TypedContent
getCorrectionsDownloadR = do -- download all assigned and open submissions
uid <- requireAuthId
subs <- runDB $ selectKeysList
[ SubmissionRatingBy ==. Just uid
, SubmissionRatingTime ==. Nothing
] []
when (null subs) $ do
addMessageI Info MsgNoOpenSubmissions
redirect CorrectionsR
submissionMultiArchive SubmissionDownloadAnonymous $ Set.fromList subs