84 lines
2 KiB
Haskell
84 lines
2 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 (asks)
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import Data.Maybe (fromMaybe)
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-- internal imports
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import Types
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import Model
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productNew
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:: Maybe (Int, AuthMethod)
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-> ProductSubmit
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-> MateHandler Int
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productNew (Just _) bevsub = do
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conn <- asks rsConnection
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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 err401
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productOverview
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:: Int
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-> MateHandler ProductOverview
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productOverview pid = do
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conn <- asks rsConnection
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productOverviewSelectSingle pid conn
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productStockRefill
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:: Maybe (Int, AuthMethod)
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-> [AmountRefill]
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-> MateHandler ()
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productStockRefill (Just _) amorefs =
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if all ((>= 0) . amountRefillAmount) amorefs
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then do
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conn <- asks rsConnection
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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 $ err401
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{ errBody = "No Authentication present."
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}
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productStockUpdate
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:: Maybe (Int, AuthMethod)
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-> [AmountUpdate]
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-> MateHandler ()
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productStockUpdate (Just _) amoups =
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if all ((>= 0) . amountUpdateRealAmount) amoups
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then do
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conn <- asks rsConnection
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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 $ err401
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{ errBody = "No Authentication present."
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}
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productList
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:: Maybe ProductRefine
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-> MateHandler [ProductOverview]
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productList mrefine = do
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conn <- asks rsConnection
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productOverviewSelect (fromMaybe AvailableProducts mrefine) conn
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productShortList
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:: Maybe ProductRefine
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-> MateHandler [ProductShortOverview]
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productShortList mrefine = do
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conn <- asks rsConnection
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productShortOverviewSelect (fromMaybe AvailableProducts mrefine) conn
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