58 lines
1.7 KiB
Haskell
58 lines
1.7 KiB
Haskell
module Handler.Modify where
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import Import
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import Handler.Common
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getModifyR :: BeverageId -> Handler Html
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getModifyR bId = do
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mBev <- runDB $ get bId
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case mBev of
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Just bev -> do
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(modifyWidget, enctype) <- generateFormPost $ modifyForm bev
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defaultLayout $ do
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$(widgetFile "modify")
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Nothing -> do
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setMessage "Artikel unbekannt"
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redirect $ SummaryR
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postModifyR :: BeverageId -> Handler Html
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postModifyR bId = do
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mBev <- runDB $ get bId
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case mBev of
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Just bev -> do
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((res, _), _) <- runFormPost $ modifyForm bev
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case res of
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FormSuccess nBev -> do
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runDB $ update bId
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[ BeverageIdent =. beverageIdent nBev
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, BeveragePrice =. beveragePrice nBev
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, BeverageAmount =. beverageAmount nBev
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, BeverageAlertAmount =. beverageAlertAmount nBev
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]
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setMessage "Bearbeitung erfolgreich"
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redirect $ SummaryR
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_ -> do
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setMessage "Bearbeitung nicht möglich"
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redirect $ SummaryR
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Nothing -> do
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setMessage "Artikel unbekannt"
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redirect $ SummaryR
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modifyForm :: Beverage -> Form Beverage
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modifyForm bev = renderDivs $ Beverage
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<$> areq textField "Name" (Just $ beverageIdent bev)
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<*> areq currencyField "Preis" (Just $ beveragePrice bev)
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<*> areq amountField "aktueller Bestand" (Just $ beverageAmount bev)
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<*> areq amountField "Meldebestand" (Just $ beverageAlertAmount bev)
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getDeleteBeverageR :: BeverageId -> Handler Html
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getDeleteBeverageR bId = do
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mBev <- runDB $ get bId
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case mBev of
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Just bev -> do
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runDB $ delete bId
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setMessage "Artikel gelöscht"
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redirect $ HomeR
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Nothing -> do
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setMessage "Artikel unbekannt"
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redirect $ HomeR
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