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Document deleteR

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This commit is contained in:
Gregor Kleen 2019-05-08 10:27:30 +02:00
parent d1a8d9cc17
commit d2f0ffc899
1 changed files with 5 additions and 5 deletions
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10
src/Handler/Utils/Delete.hs
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@ -32,11 +32,11 @@ import qualified Database.Esqueleto.Internal.Language as E (From)
data DeleteRoute record = forall tables infoExpr info. (E.SqlSelect infoExpr info, E.From E.SqlQuery E.SqlExpr SqlBackend tables) => DeleteRoute data DeleteRoute record = forall tables infoExpr info. (E.SqlSelect infoExpr info, E.From E.SqlQuery E.SqlExpr SqlBackend tables) => DeleteRoute
{ drRecords :: Set (Key record) { drRecords :: Set (Key record) -- ^ Records to be deleted
, drGetInfo :: tables -> E.SqlQuery infoExpr , drGetInfo :: tables -> E.SqlQuery infoExpr -- ^ SQL-Query to get necessary information to render identifing information about records to the user (`drRenderRecord`, `drRecordConfirmString`); @tables@ is an arbitrary join, see `E.from`; @infoExpr@ gets converted to @info@ by esqueleto
, drUnjoin :: tables -> E.SqlExpr (Entity record) , drUnjoin :: tables -> E.SqlExpr (Entity record) -- ^ `E.SqlExpr` of @Key record@ extracted from @tables@, `deleteR` restricts `drGetInfo` to `drRecords` automatically
, drRenderRecord :: info -> ReaderT SqlBackend (HandlerT UniWorX IO) Widget , drRenderRecord :: info -> ReaderT SqlBackend (HandlerT UniWorX IO) Widget -- ^ Present a single record, to be deleted, to the user for inspection prior to deletion
, drRecordConfirmString :: info -> ReaderT SqlBackend (HandlerT UniWorX IO) Text , drRecordConfirmString :: info -> ReaderT SqlBackend (HandlerT UniWorX IO) Text -- ^ Text for the user to copy to confirm deletion; should probably contain all information from `drRenderRecord` so user gets prompted to think about what they're deleting
, drCaption , drCaption
, drSuccessMessage :: SomeMessage UniWorX , drSuccessMessage :: SomeMessage UniWorX
, drAbort , drAbort