refactor: hlint

src/Handler/Sheet/CorrectorInvite.hs

@@ -74,7 +74,7 @@ correctorInvitationConfig = InvitationConfig{..}
       itAuthority <- HashSet.singleton . Right <$> liftHandler requireAuthId
       return $ InvitationTokenConfig itAuthority Nothing Nothing Nothing
     invitationRestriction _ _ = return Authorized
-    invitationForm _ (InvDBDataSheetCorrector cLoad cState, _) _ = pure $ (JunctionSheetCorrector cLoad cState, ())
+    invitationForm _ (InvDBDataSheetCorrector cLoad cState, _) _ = pure (JunctionSheetCorrector cLoad cState, ())
     invitationInsertHook _ _ _ _ _ = id
     invitationSuccessMsg (Entity _ Sheet{..}) _ = return . SomeMessage $ MsgCorrectorInvitationAccepted sheetName
     invitationUltDest (Entity _ Sheet{..}) _ = do

src/Handler/Sheet/List.hs

@@ -31,10 +31,10 @@ getSheetListR tid ssh csh = do
         E.where_ $ sheetEdit E.^. SheetEditSheet E.==. sheet E.^. SheetId
         return . E.max_ $ sheetEdit E.^. SheetEditTime
 
-    sheetData :: E.SqlExpr (Entity Sheet) `E.LeftOuterJoin` (E.SqlExpr (Maybe (Entity Submission)) `E.InnerJoin` (E.SqlExpr (Maybe (Entity SubmissionUser)))) -> E.SqlQuery ()
+    sheetData :: E.SqlExpr (Entity Sheet) `E.LeftOuterJoin` (E.SqlExpr (Maybe (Entity Submission)) `E.InnerJoin` E.SqlExpr (Maybe (Entity SubmissionUser))) -> E.SqlQuery ()
     sheetData (sheet `E.LeftOuterJoin` (submission `E.InnerJoin` submissionUser)) = do
       E.on $ submission E.?. SubmissionId E.==. submissionUser E.?. SubmissionUserSubmission
-      E.on $  (E.just $ sheet E.^. SheetId) E.==. submission E.?. SubmissionSheet
+      E.on $  E.just (sheet E.^. SheetId) E.==. submission E.?. SubmissionSheet
         E.&&. submissionUser E.?. SubmissionUserUser E.==. E.val muid
       E.where_ $ sheet E.^. SheetCourse E.==. E.val cid
 
@@ -173,5 +173,5 @@ getSheetListR tid ssh csh = do
 
   let statistics = gradeSummaryWidget MsgSheetGradingSummaryTitle raw_statistics -- only over shown rows
         -- foldMap (\(_, E.Value sheetType, E.Value mbPts) -> sheetTypeSum sheetType (join mbPts))
-  defaultLayout $ do
+  defaultLayout
     $(widgetFile "sheetList")

src/Handler/Sheet/New.hs

@@ -67,8 +67,8 @@ postSheetNewR tid ssh csh = do
             , sfRequireExamRegistration = Nothing
             }
         _other -> Nothing
-  let action newSheet = -- More specific error message for new sheet could go here, if insertUnique returns Nothing
-        insertUnique $ newSheet
+  let action = -- More specific error message for new sheet could go here, if insertUnique returns Nothing
+        insertUnique
   handleSheetEdit tid ssh csh Nothing template action
 
 defaultLoads :: CourseId -> DB Loads
@@ -76,7 +76,7 @@ defaultLoads :: CourseId -> DB Loads
 --
 -- For every user, that ever was a corrector for this course, return their last `Load`.
 -- "Last `Load`" is taken to mean their `Load` on the `Sheet` with the most recent creation time (first edit).
-defaultLoads cId = do
+defaultLoads cId =
   fmap toMap . E.select . E.from $ \(sheet `E.InnerJoin` sheetCorrector) -> E.distinctOnOrderBy [E.asc (sheetCorrector E.^. SheetCorrectorUser)] $ do
     E.on $ sheet E.^. SheetId E.==. sheetCorrector E.^. SheetCorrectorSheet
 

src/Handler/Sheet/Show.hs

@@ -37,7 +37,7 @@ getSShowR tid ssh csh shn = do
         E.where_ $  sheetFile E.^. SheetFileSheet  E.==.  E.val sid
               E.&&. E.not_ (E.isNothing $ sheetFile E.^. SheetFileContent) -- don't show directories
         -- return desired columns
-        return $ (sheetFile E.^. SheetFileTitle, sheetFile E.^. SheetFileModified, sheetFile E.^. SheetFileType)
+        return (sheetFile E.^. SheetFileTitle, sheetFile E.^. SheetFileModified, sheetFile E.^. SheetFileType)
   let colonnadeFiles = widgetColonnade $ mconcat
         [ sortable (Just "type") (i18nCell MsgSheetFileTypeHeader) $ \(_,_, E.Value ftype) ->
             let link = CSheetR tid ssh csh shn $ SZipR ftype in