31 lines
528 B
Haskell
31 lines
528 B
Haskell
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{-# LANGUAGE DeriveGeneric #-}
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module Types.Purchase where
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import Data.Text
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import GHC.Generics
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data PurchaseDetail = PurchaseDetail
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{ pdBeverage :: Int
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, pdAmount :: Int
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}
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instance ToJSON PurchaseDetail where
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toEncoding = genericToEncoding defaultOptions
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instance fromJSON PurchaseDetail
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data PurchaseResult
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= PurchaseOK
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| PurchaseDebtful
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| PayAmount Int
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deriving (Generic, Show)
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instance ToJSON PurchaseResult where
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toEncoding = genericToEncoding defaultOptions
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instance fromJSON PurchaseResult
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