51 lines
2.2 KiB
Haskell
51 lines
2.2 KiB
Haskell
module Handler.Sheet.Delete
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( getSDelR, postSDelR
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) where
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import Import
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import Handler.Utils.Delete
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import Handler.Utils.Sheet
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import qualified Database.Esqueleto as E
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import qualified Data.Set as Set
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sheetDeleteRoute :: Set SheetId -> DeleteRoute Sheet
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sheetDeleteRoute drRecords = DeleteRoute
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{ drRecords
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, drGetInfo = \(sheet `E.InnerJoin` course `E.InnerJoin` school) -> do
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E.on $ school E.^. SchoolId E.==. course E.^. CourseSchool
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E.on $ course E.^. CourseId E.==. sheet E.^. SheetCourse
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let submissions = E.subSelectCount . E.from $ \submission ->
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E.where_ $ submission E.^. SubmissionSheet E.==. sheet E.^. SheetId
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E.orderBy [E.asc $ sheet E.^. SheetName]
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return (submissions, sheet E.^. SheetName, course E.^. CourseShorthand, course E.^. CourseName, school E.^. SchoolShorthand, school E.^. SchoolName, course E.^. CourseTerm)
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, drUnjoin = \(sheet `E.InnerJoin` _ `E.InnerJoin` _) -> sheet
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, drRenderRecord = \(E.Value submissions, E.Value shn', _, E.Value cName, _, E.Value sName, E.Value tid') ->
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return [whamlet|
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$newline never
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#{shn'} (_{SomeMessage $ ShortTermIdentifier (unTermKey tid')}, #{sName}, #{cName})
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$if submissions /= 0
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<i>_{SomeMessage $ MsgSheetDelHasSubmissions submissions}
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|]
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, drRecordConfirmString = \(E.Value submissions, E.Value shn', E.Value csh', _, E.Value ssh', _, E.Value tid') ->
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return $ [st|#{termToText (unTermKey tid')}/#{ssh'}/#{csh'}/#{shn'}|] <> bool mempty [st| + #{tshow submissions} Subs|] (submissions /= 0)
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, drCaption = SomeMessage MsgSheetDeleteQuestion
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, drSuccessMessage = SomeMessage MsgSheetDeleted
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, drFormMessage = const $ return Nothing
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, drAbort = error "drAbort undefined"
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, drSuccess = error "drSuccess undefined"
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, drDelete = const id -- TODO: audit
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}
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getSDelR, postSDelR :: TermId -> SchoolId -> CourseShorthand -> SheetName -> Handler Html
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getSDelR = postSDelR
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postSDelR tid ssh csh shn = do
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sid <- runDB $ fetchSheetId tid ssh csh shn
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deleteR $ (sheetDeleteRoute $ Set.singleton sid)
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{ drAbort = SomeRoute $ CSheetR tid ssh csh shn SShowR
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, drSuccess = SomeRoute $ CourseR tid ssh csh SheetListR
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}
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