111 lines
3.1 KiB
Haskell
111 lines
3.1 KiB
Haskell
module Handler.Summary where
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import Import
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import qualified Data.List as L
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import Data.Aeson
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import Data.Conduit.Binary
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getSummaryR :: Handler Html
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getSummaryR = do
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master <- getYesod
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bevs <- runDB $ selectList [] [Asc BeverageIdent]
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defaultLayout $ do
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$(widgetFile "summary")
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getSummaryJsonR :: Handler RepJson
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getSummaryJsonR = do
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master <- getYesod
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bevs <- runDB $ selectList [] [Asc BeverageIdent]
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return $
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repJson $ array $
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map (\(Entity _ bev) ->
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object [ "name" .= beverageIdent bev
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, "value" .= beverageAmount bev
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, "price" .= ((fromIntegral (beveragePrice bev)) / 100 :: Double)
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, "currency" .= appCurrency (appSettings master)
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]
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) bevs
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data BevStore = BevStore
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{ bevStoreIdent :: Text
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, bevStorePrice :: Int
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, bevStoreAmount :: Int
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, bevStoreAlertAmount :: Int
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}
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instance ToJSON BevStore where
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toJSON (BevStore ident price amount alertAmount) =
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object
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[ "name" .= ident
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, "price" .= price
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, "amount" .= amount
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, "alertAt" .= alertAmount
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]
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instance FromJSON BevStore where
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parseJSON (Object o) = BevStore
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<$> o .: "name"
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<*> o .: "price"
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<*> o .: "amount"
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<*> o .: "alertAt"
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-- For errors
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parseJSON _ = mzero
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getInventoryJsonR :: Handler RepJson
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getInventoryJsonR = do
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bevs <- runDB $ selectList [] [Asc BeverageIdent]
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return $
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repJson $ array $
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map (\(Entity _ bev) -> toJSON $ BevStore
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(beverageIdent bev)
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(beveragePrice bev)
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(beverageAmount bev)
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(beverageAlertAmount bev)
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) bevs
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getUploadInventoryJsonR :: Handler Html
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getUploadInventoryJsonR = do
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(uploadJsonWidget, enctype) <- generateFormPost uploadJsonForm
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defaultLayout $ do
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$(widgetFile "uploadJson")
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postUploadInventoryJsonR :: Handler Html
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postUploadInventoryJsonR = do
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((res, _), _) <- runFormPost uploadJsonForm
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case res of
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FormSuccess file -> do
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case fileContentType file == "application/json" of
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True -> do
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source <- runResourceT $ fileSource file $$ sinkLbs
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bevs <- return $ fromMaybe [] $ (decode source :: Maybe [BevStore])
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_ <- return $ map insOrUpd bevs
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setMessageI MsgRestoreSuccess
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redirect $ HomeR
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False -> do
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setMessageI MsgNotJson
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redirect $ UploadInventoryJsonR
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_ -> do
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setMessageI MsgErrorOccured
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redirect $ UploadInventoryJsonR
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uploadJsonForm :: Form FileInfo
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uploadJsonForm = renderDivs
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$ areq fileField (fieldSettingsLabel MsgSelectFile) Nothing
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insOrUpd :: BevStore -> Handler ()
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insOrUpd bev = do
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meb <- runDB $ getBy $ UniqueBeverage $ bevStoreIdent bev
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case meb of
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Just eb -> do
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runDB $ update (entityKey eb)
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[ BeveragePrice =. bevStorePrice bev
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, BeverageAmount =. bevStoreAmount bev
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, BeverageAlertAmount =. bevStoreAlertAmount bev
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]
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Nothing -> do
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runDB $ insert_ $ Beverage
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(bevStoreIdent bev)
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(bevStorePrice bev)
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(bevStoreAmount bev)
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(bevStoreAlertAmount bev)
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Nothing
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