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refactored as suggested by Gregor in #253

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This commit is contained in:
SJost 2018-12-07 12:58:13 +01:00
parent 59714bd3c7
commit 5728d413cf
1 changed files with 45 additions and 44 deletions
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89
src/Handler/Sheet.hs
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@ -146,13 +146,12 @@ getSheetListR tid ssh csh = do
lastSheetEdit sheet = E.sub_select . E.from $ \sheetEdit -> 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 (E.SqlExpr (Entity Sheet), E.SqlExpr (E.Value (Maybe UTCTime)),E.SqlExpr (Maybe (Entity Submission)))
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.&&. submissionUser E.?. SubmissionUserUser E.==. E.val muid
E.where_ $ sheet E.^. SheetCourse E.==. E.val cid
return (sheet, lastSheetEdit sheet, submission)
sheetCol = widgetColonnade . mconcat $
[ dbRow
, sortable (Just "name") (i18nCell MsgSheet)
@ -197,48 +196,50 @@ getSheetListR tid ssh csh = do
]
psValidator = def
& defaultSorting [("submission-since", SortAsc)]
table <- runDB $ dbTableWidget' psValidator DBTable
{ dbtSQLQuery = sheetData
, dbtColonnade = sheetCol
, dbtProj = \dbr@DBRow{ dbrOutput=(Entity _ Sheet{..}, _, _) }
-> dbr <$ guardM (lift $ (== Authorized) <$> evalAccessDB (CSheetR tid ssh csh sheetName SShowR) False)
, dbtSorting = Map.fromList
[ ( "name"
, SortColumn $ \(sheet `E.LeftOuterJoin` _) -> sheet E.^. SheetName
)
, ( "last-edit"
, SortColumn $ \(sheet `E.LeftOuterJoin` _) -> lastSheetEdit sheet
)
, ( "submission-since"
, SortColumn $ \(sheet `E.LeftOuterJoin` _) -> sheet E.^. SheetActiveFrom
)
, ( "submission-until"
, SortColumn $ \(sheet `E.LeftOuterJoin` _) -> sheet E.^. SheetActiveTo
)
, ( "rating"
, SortColumn $ \(_sheet `E.LeftOuterJoin` (submission `E.InnerJoin` _submissionUser)) -> submission E.?. SubmissionRatingPoints
)
-- GitLab Issue $143: HOW TO SORT?
-- , ( "percent"
-- , SortColumn $ \(sheet `E.LeftOuterJoin` (submission `E.InnerJoin` _submissionUser)) ->
-- case sheetType of -- no Haskell inside Esqueleto, right?
-- (submission E.?. SubmissionRatingPoints) E./. (sheet E.^. SheetType)
-- )
]
, dbtFilter = mempty
, dbtFilterUI = mempty
, dbtStyle = def
, dbtIdent = "sheets" :: Text
}
-- Collect summary over all Sheets, not just the ones shown due to pagination:
statistics <- gradeSummaryWidget MsgSheetGradingSummaryTitle <$> do
rows <- runDB $ E.select $ E.from $ \(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.&&. submissionUser E.?. SubmissionUserUser E.==. E.val muid
E.where_ $ sheet E.^. SheetCourse E.==. E.val cid
return (sheet E.^. SheetType, submission E.?. SubmissionRatingPoints)
return $ foldMap (\(E.Value sheetType, E.Value mbPts) -> sheetTypeSum sheetType (join mbPts)) rows
(table,statistics) <- runDB $ liftA2 (,)
(dbTableWidget' psValidator DBTable
{ dbtColonnade = sheetCol
, dbtSQLQuery = \dt@(sheet `E.LeftOuterJoin` (submission `E.InnerJoin` _submissionUser))
-> sheetData dt *> return (sheet, lastSheetEdit sheet, submission)
, dbtProj = \dbr@DBRow{ dbrOutput=(Entity _ Sheet{..}, _, _) }
-> dbr <$ guardM (lift $ (== Authorized) <$> evalAccessDB (CSheetR tid ssh csh sheetName SShowR) False)
, dbtSorting = Map.fromList
[ ( "name"
, SortColumn $ \(sheet `E.LeftOuterJoin` _) -> sheet E.^. SheetName
)
, ( "last-edit"
, SortColumn $ \(sheet `E.LeftOuterJoin` _) -> lastSheetEdit sheet
)
, ( "submission-since"
, SortColumn $ \(sheet `E.LeftOuterJoin` _) -> sheet E.^. SheetActiveFrom
)
, ( "submission-until"
, SortColumn $ \(sheet `E.LeftOuterJoin` _) -> sheet E.^. SheetActiveTo
)
, ( "rating"
, SortColumn $ \(_sheet `E.LeftOuterJoin` (submission `E.InnerJoin` _submissionUser)) -> submission E.?. SubmissionRatingPoints
)
-- GitLab Issue $143: HOW TO SORT?
-- , ( "percent"
-- , SortColumn $ \(sheet `E.LeftOuterJoin` (submission `E.InnerJoin` _submissionUser)) ->
-- case sheetType of -- no Haskell inside Esqueleto, right?
-- (submission E.?. SubmissionRatingPoints) E./. (sheet E.^. SheetType)
-- )
]
, dbtFilter = mempty
, dbtFilterUI = mempty
, dbtStyle = def
, dbtIdent = "sheets" :: Text
}
) (
-- Collect summary over all Sheets, not just the ones shown due to pagination:
gradeSummaryWidget MsgSheetGradingSummaryTitle .
foldMap (\(E.Value sheetType, E.Value mbPts) -> sheetTypeSum sheetType (join mbPts))
<$> (
E.select $ E.from $ \dt@(sheet `E.LeftOuterJoin` (submission `E.InnerJoin` _submissionUser)) ->
sheetData dt *> return (sheet E.^. SheetType, submission E.?. SubmissionRatingPoints)
)
)
defaultLayout $ do
$(widgetFile "sheetList")