62 lines
1.7 KiB
Haskell
62 lines
1.7 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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module Control.Product where
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import Servant
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import Control.Monad (void)
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import Control.Monad.Reader (ask)
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-- internal imports
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import Types
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import Model
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productNew :: Maybe Int -> ProductSubmit -> MateHandler Int
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productNew (Just _) bevsub = do
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conn <- rsConnection <$> ask
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bevid <- insertProduct bevsub conn
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void $ insertNewEmptyAmount bevid bevsub conn
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return bevid
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productNew Nothing _ =
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throwError $ err403
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productOverview :: Int -> MateHandler ProductOverview
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productOverview pid = do
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conn <- rsConnection <$> ask
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productOverviewSelectSingle pid conn
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productStockRefill :: Maybe Int -> [AmountRefill] -> MateHandler ()
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productStockRefill (Just _) amorefs = do
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if all ((>= 0) . amountRefillAmount) amorefs
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then do
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conn <- rsConnection <$> ask
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void $ manualProductAmountRefill amorefs conn
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else
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throwError $ err400
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{ errBody = "Amounts less than 0 are not acceptable."
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}
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productStockRefill Nothing _ =
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throwError $ err403
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{ errBody = "No Authentication present."
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}
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productStockUpdate :: Maybe Int -> [AmountUpdate] -> MateHandler ()
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productStockUpdate (Just _) amoups = do
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if all ((>= 0) . amountUpdateRealAmount) amoups
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then do
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conn <- rsConnection <$> ask
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void $ manualProductAmountUpdate amoups conn
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else
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throwError $ err400
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{ errBody = "Amounts less than 0 are not acceptable."
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}
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productStockUpdate Nothing _ =
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throwError $ err403
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{ errBody = "No Authentication present."
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}
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productList :: Maybe ProductRefine :> MateHandler [ProductOverview]
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productList mrefine = do
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conn <- rsConnection <$> ask
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productOverviewSelect (fromMaybe AvailableProducts mrefine) conn
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