yammat/Handler/Restock.hs

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module Handler.Restock where
import Import
import Handler.Common
getRestockR :: Handler Html
getRestockR = do
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beverages <- runDB $ selectList [] [Asc BeverageIdent]
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defaultLayout $ do
$(widgetFile "restock")
getUpstockR :: BeverageId -> Handler Html
getUpstockR bId = do
mBev <- runDB $ get bId
case mBev of
Just bev -> do
(upstockWidget, enctype) <- generateFormPost upstockForm
defaultLayout $ do
$(widgetFile "upstock")
Nothing -> do
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setMessageI MsgItemUnknown
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redirect $ HomeR
postUpstockR :: BeverageId -> Handler Html
postUpstockR bId = do
mBev <- runDB $ get bId
case mBev of
Just bev -> do
((res, _), _) <- runFormPost upstockForm
case res of
FormSuccess c -> do
case c > 0 of
True -> do
runDB $ update bId [BeverageAmount +=. c]
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setMessageI MsgStockedUp
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redirect $ HomeR
False -> do
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setMessageI MsgNotStockedUp
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redirect $ UpstockR bId
_ -> do
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setMessageI MsgStockupError
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redirect $ UpstockR bId
Nothing -> do
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setMessageI MsgItemUnknown
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redirect $ HomeR
upstockForm :: Form Int
upstockForm = renderDivs
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$ areq amountField (fieldSettingsLabel MsgAmountAdded) (Just 0)
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getNewArticleR :: Handler Html
getNewArticleR = do
(newArticleWidget, enctype) <- generateFormPost newArticleForm
defaultLayout $ do
$(widgetFile "newArticle")
postNewArticleR :: Handler Html
postNewArticleR = do
((result, _), _) <- runFormPost newArticleForm
case result of
FormSuccess bev -> do
runDB $ insert_ bev
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setMessageI MsgItemAdded
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redirect $ HomeR
_ -> do
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setMessageI MsgItemNotAdded
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redirect $ HomeR
newArticleForm :: Form Beverage
newArticleForm = renderDivs $ Beverage
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<$> areq textField (fieldSettingsLabel MsgName) Nothing
<*> areq currencyField (fieldSettingsLabel MsgPrice) (Just 100)
<*> areq amountField (fieldSettingsLabel MsgAmount) (Just 0)
<*> areq amountField (fieldSettingsLabel MsgAmountWarning) (Just 0)