fradrive/src/Handler/Sheet.hs
2018-03-07 13:30:06 +01:00

253 lines
9.4 KiB
Haskell

{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE FlexibleContexts #-}
module Handler.Sheet where
import Import
import Handler.Utils
import Handler.Utils.Zip
-- import Data.Time
import qualified Data.Text as T
-- import Data.Function ((&))
--
import Colonnade -- hiding (fromMaybe)
import Yesod.Colonnade
--
import qualified Data.UUID.Cryptographic as UUID
import qualified Data.Conduit.List as C
import qualified Database.Esqueleto as E
import Network.Mime
{-
* Implement Handlers
* Implement Breadcrumbs in Foundation
* Implement Access in Foundation
-}
data SheetForm = SheetForm
{ sfName :: Text
, sfComment :: Maybe Html
, sfType :: SheetType
, sfMarkingText :: Maybe Html
, sfActiveFrom :: UTCTime
, sfActiveTo :: UTCTime
, sfSheetF :: Maybe FileInfo
, sfHintFrom :: Maybe UTCTime
, sfHintF :: Maybe FileInfo
, sfSolutionFrom :: Maybe UTCTime
, sfSolutionF :: Maybe FileInfo
}
makeSheetForm :: CourseId -> Maybe SheetForm -> Form SheetForm
makeSheetForm cid template = identForm FIDsheet $ \html -> do
-- TODO: Yesod.Form.MassInput.inputList arbeitet Server-seitig :(
-- Erstmal nur mit ZIP arbeiten
(result, widget) <- flip (renderAForm FormStandard) html $ SheetForm
<$> areq textField (fsb "Name") (sfName <$> template)
<*> aopt htmlField (fsb "Hinweise für Teilnehmer") (sfMarkingText <$> template)
<*> sheetTypeAFormReq (fsb "Bewertung") (sfType <$> template)
--TODO: SICHTBARKEIT hinzunehmen
<*> aopt htmlField (fsb "Hinweise für Korrektoren") (sfMarkingText <$> template)
<*> areq utcTimeField (fsb "Abgabe ab") (sfActiveFrom <$> template)
<*> areq utcTimeField (fsb "Abgabefrist") (sfActiveTo <$> template)
<*> fileAFormOpt (fsb "Aufgaben")
<*> aopt utcTimeField (fsb "Hinweis ab") (sfHintFrom <$> template)
<*> fileAFormOpt (fsb "Hinweis")
<*> aopt utcTimeField (fsb "Lösung ab") (sfSolutionFrom <$> template)
<*> fileAFormOpt (fsb "Lösung")
return $ case result of
FormSuccess sheetResult
| errorMsgs <- validateSheet sheetResult
, not $ null errorMsgs ->
(FormFailure errorMsgs,
[whamlet|
<div class="alert alert-danger">
<h4> Fehler:
<ul>
$forall errmsg <- errorMsgs
<li> #{errmsg}
^{widget}
|]
)
_ -> (result, widget)
where
validateSheet _ = [] -- TODO
fetchSheet :: TermId -> Text -> Text -> YesodDB UniWorX (Entity Sheet)
fetchSheet tid csh shn = do
-- TODO: More efficient with Esquleto?
(Entity cid _course) <- getBy404 $ CourseTermShort tid csh
getBy404 $ CourseSheet cid shn
-- List Sheets
getSheetListCID :: CourseId -> Handler Html
getSheetListCID cid = getSheetList =<<
(Entity cid) <$> (runDB $ get404 cid)
getSheetListR :: TermId -> Text -> Handler Html
getSheetListR tid csh = getSheetList =<<
(runDB $ getBy404 $ CourseTermShort tid csh)
getSheetList :: Entity Course -> Handler Html
getSheetList courseEnt = do
-- mbAid <- maybeAuthId
let cid = entityKey courseEnt
let course = entityVal courseEnt
let csh = courseShorthand course
let tid = courseTermId course
sheets <- runDB $ do
rawSheets <- selectList [SheetCourseId ==. cid] [Desc SheetActiveFrom]
forM rawSheets $ \(Entity sid sheet) -> do
let sheetsub = [SubmissionSheetId ==. sid]
submissions <- count sheetsub
rated <- count $ (SubmissionRatingTime !=. Nothing):sheetsub
return (sid, sheet, (submissions, rated))
let colSheets = mconcat
[ headed "Blatt" $ toWgt . sheetName . snd3
, headed "Abgabe ab" $ toWgt . formatTimeGerWD . sheetActiveFrom . snd3
, headed "Abgabe bis" $ toWgt . formatTimeGerWD . sheetActiveTo . snd3
, headed "Bewertung" $ toWgt . show . sheetType . snd3
, headed "Korrigiert" $ toWgt . snd . trd3
, headed "Eingereicht" $ toWgt . fst . trd3
-- TODO: only show edit button for allowed course assistants
, headed "" $ \s -> linkButton "Edit" BCLink $ SheetEditR tid csh $ fst3 s
]
defaultLayout $ do
setTitle $ toHtml $ T.append "Übungsblätter " csh
if null sheets
then [whamlet|Es wurden noch keine Übungsblätter angelegt.|]
else encodeWidgetTable tableDefault colSheets sheets
-- Show single sheet
getSheetShowR :: TermId -> Text -> Text -> Handler Html
getSheetShowR tid csh shn = getSheetShow =<<
(runDB $ fetchSheet tid csh shn)
{- Nur per UUID
getSheetIdShowR :: SheetId -> Handler Html
getSheetIdShowR sheetId = getSheetShow =<<
(Entity sheetId) <$> (runDB $ get404 sheetId)\
-}{-
getSheetUUIDShowR :: CryptoUUIDSheet -> Handler Html
getSheetUUIDShowR sUUID = do
cIDKey <- getsYesod appCryptoIDKey
sheetId <- UUID.decrypt cIDKey sUUID
sheetEnt <- runDB $ get404 sheetId
getSheetShow $ Entity sheetId sheetEnt
-}
getSheetShow :: (Entity Sheet) -> Handler Html
getSheetShow entSheet = do
let sheet = entityVal entSheet
defaultLayout $ do
setTitle $ toHtml $ T.append "Übung " $ sheetName sheet
[whamlet| Under Construction !!! |] -- TODO
$(widgetFile "sheetAdmin")
getSheetFileR :: TermId -> Text -> Text -> SheetFileType -> FilePath -> Handler TypedContent
getSheetFileR tid csh shn typ title = do
content <- runDB $ E.select $ E.from $
\(course `E.InnerJoin` sheet `E.InnerJoin` sheetFile `E.InnerJoin` file) -> do
-- Restrict to consistent rows that correspond to each other
E.on (file E.^. FileId E.==. sheetFile E.^. SheetFileFileId)
E.on (sheetFile E.^. SheetFileSheetId E.==. sheet E.^. SheetId)
E.on (sheet E.^. SheetCourseId E.==. course E.^. CourseId)
-- filter to requested file
E.where_ ((file E.^. FileTitle E.==. E.val title)
E.&&. (sheetFile E.^. SheetFileType E.==. E.val typ )
E.&&. (sheet E.^. SheetName E.==. E.val shn )
E.&&. (course E.^. CourseShorthand E.==. E.val csh )
E.&&. (course E.^. CourseTermId E.==. E.val tid )
)
-- return desired columns
return $ file E.^. FileContent
let mimeType = defaultMimeLookup $ pack title
case content of
[E.Value (Just nochmalContent)] -> do
addHeader "Content-Disposition" "attachment"
respond mimeType nochmalContent
[] -> notFound
_other -> error "Multiple matching files found."
getSheetNewR :: TermId -> Text -> Handler Html
getSheetNewR tid csh = do
(Entity cid course) <- runDB $ getBy404 $ CourseTermShort tid csh
let template = Nothing -- TODO: provide convenience by interpolating name/nr/dates+7days
((res,wdgt), enc) <- runFormPost $ makeSheetForm cid template
case res of
(FormSuccess SheetForm{..}) -> do
let sid = undefined -- TODO after first insert
let sname = undefined -- TODO after first insert
-- Prüfe, das FileTitle innerhalb des Sheets eindeutig ist für diesen SheetFileTpye
whenIsJust sfSheetF $ \sinfo -> do
let sheetInsert file = do
fid <- insert file
void . insert $ SheetFile sid fid SheetExercise
runDB . runConduit $ (sourceFiles sinfo) =$= C.mapM_ sheetInsert
addMessage "info" "Blatt angelegt"
redirect $ SheetShowR tid csh sname
(FormFailure msgs) -> forM_ msgs $ (addMessage "warning") . toHtml
_ -> return ()
defaultLayout $ do
$(widgetFile "newSheet")
postSheetNewR :: TermId -> Text -> Handler Html
postSheetNewR = getSheetNewR
getSheetEditR :: TermId -> Text -> SheetId -> Handler Html
getSheetEditR _ _ _ = defaultLayout [whamlet| Under Construction !!! |] -- TODO
postSheetEditR :: TermId -> Text -> SheetId -> Handler Html
postSheetEditR _ _ _ = defaultLayout [whamlet| Under Construction !!! |] -- TODO
getSheetDelR :: TermId -> Text -> SheetId -> Handler Html
getSheetDelR _ _ _ = defaultLayout [whamlet| Under Construction !!! |] -- TODO
-- Sicherheitsabfrage
postSheetDelR :: TermId -> Text -> SheetId -> Handler Html
postSheetDelR _ _ _ = defaultLayout [whamlet| Under Construction !!! |] -- TODO
-- Tatsächlich löschen
{-
getCourseShowR :: TermId -> Text -> Handler Html
getCourseShowR tid csh = do
mbAid <- maybeAuthId
(courseEnt,(schoolMB,participants,mbRegistered)) <- runDB $ do
courseEnt@(Entity cid course) <- getBy404 $ CourseTermShort (TermKey tid) csh
dependent <- (,,)
<$> get (courseSchoolId course) -- join
<*> count [CourseParticipantCourseId ==. cid] -- join
<*> (case mbAid of -- TODO: Someone please refactor this late-night mess here!
Nothing -> return False
(Just aid) -> do
regL <- getBy (UniqueCourseParticipant cid aid)
return $ isJust regL)
return $ (courseEnt,dependent)
let course = entityVal courseEnt
(regWidget, regEnctype) <- generateFormPost $ identifyForm "registerBtn" $ registerButton $ mbRegistered
defaultLayout $ do
setTitle $ [shamlet| #{termToText tid} - #{csh}|]
$(widgetFile "course")
-}