mateamt/src/Types/Amount.hs

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{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE TypeFamilies #-}
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module Types.Amount where
import GHC.Generics
import Data.Aeson
import Data.Time (UTCTime)
-- internal imports
import Classes
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data AmountUpdate = AmountUpdate
{ amountUpdateProductId :: Int
, amountUpdateRealAmount :: Int
}
deriving (Show, Generic)
instance ToJSON AmountUpdate where
toEncoding = genericToEncoding defaultOptions
instance FromJSON AmountUpdate
data AmountRefill = AmountRefill
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{ amountRefillProductId :: Int
, amountRefillAmountSingles :: Int
, amountRefillAmountCrates :: Int
}
deriving (Show, Generic)
instance ToJSON AmountRefill where
toEncoding = genericToEncoding defaultOptions
instance FromJSON AmountRefill
data Amount = Amount
{ amountProductId :: Int
, amountTimestamp :: UTCTime
, amountAmount :: Int
, amountPrice :: Int
, amountVerified :: Bool
}
deriving (Show)
instance ToDatabase Amount where
type InTuple Amount = (Int, UTCTime, Int, Int, Bool)
toDatabase (Amount pid ts amount price ver) =
(pid, ts, amount, price, ver)
instance FromDatabase Amount where
type OutTuple Amount = (Int, UTCTime, Int, Int, Bool)
fromDatabase (pid, ts, amount, price, ver) =
Amount pid ts amount price ver