yammat/Handler/Modify.hs
2015-07-21 09:14:38 +02:00

84 lines
2.9 KiB
Haskell

module Handler.Modify where
import Import
import Handler.Common
getModifyR :: BeverageId -> Handler Html
getModifyR bId = do
mBev <- runDB $ get bId
case mBev of
Just bev -> do
p <- lookupGetParam "barcode"
_ <- handleGetParam p (Right bId)
rawbs <- runDB $ selectList [BarcodeBev ==. Just bId] []
bs <- return $ map (barcodeCode . entityVal) rawbs
(modifyWidget, enctype) <- generateFormPost $ modifyForm bev bs
defaultLayout $ do
$(widgetFile "modify")
Nothing -> do
setMessageI MsgItemUnknown
redirect $ SummaryR
postModifyR :: BeverageId -> Handler Html
postModifyR bId = do
mBev <- runDB $ get bId
case mBev of
Just bev -> do
rawbs <- runDB $ selectList [BarcodeBev ==. Just bId] []
bs <- return $ map (barcodeCode . entityVal) rawbs
((res, _), _) <- runFormPost $ modifyForm bev bs
case res of
FormSuccess nBev -> do
runDB $ update bId
[ BeverageIdent =. modBevIdent nBev
, BeveragePrice =. modBevPrice nBev
, BeverageAmount =. modBevAmount nBev
, BeverageAlertAmount =. modBevAlertAmount nBev
, BeverageCorrectedAmount +=. ((modBevAmount nBev) - (beverageAmount bev))
, BeverageMl =. modBevMl nBev
, BeverageAvatar =. modBevAvatar nBev
]
setMessageI MsgEditSuccess
redirect $ SummaryR
_ -> do
setMessageI MsgEditFail
redirect $ SummaryR
Nothing -> do
setMessageI MsgItemUnknown
redirect $ SummaryR
data ModBev = ModBev
{ modBevIdent :: Text
, modBevPrice :: Int
, modBevAmount :: Int
, modBevAlertAmount :: Int
, modBevMl :: Int
, modBevAvatar :: Maybe AvatarId
, modBevBarcodes :: Maybe [Text]
}
modifyForm :: Beverage -> [Text] -> Form ModBev
modifyForm bev bs = renderDivs $ ModBev
<$> areq textField (fieldSettingsLabel MsgName) (Just $ beverageIdent bev)
<*> areq currencyField (fieldSettingsLabel MsgPrice) (Just $ beveragePrice bev)
<*> areq amountField (fieldSettingsLabel MsgCurrentStock) (Just $ beverageAmount bev)
<*> areq amountField (fieldSettingsLabel MsgAnnouncedStock) (Just $ beverageAlertAmount bev)
<*> areq volumeField (fieldSettingsLabel MsgVolume) (Just $ beverageMl bev)
<*> aopt (selectField avatars) (fieldSettingsLabel MsgSelectAvatar) (Just $ beverageAvatar bev)
<*> aopt barcodeField (fieldSettingsLabel MsgBarcodeField) (Just $ Just bs)
where
avatars = do
ents <- runDB $ selectList [] [Asc AvatarIdent]
optionsPairs $ map (\ent -> ((avatarIdent $ entityVal ent), entityKey ent)) ents
getDeleteBeverageR :: BeverageId -> Handler Html
getDeleteBeverageR bId = do
mBev <- runDB $ get bId
case mBev of
Just bev -> do
runDB $ delete bId
setMessageI MsgItemDeleted
redirect $ HomeR
Nothing -> do
setMessageI MsgItemUnknown
redirect $ HomeR