src/server/Model/Frequency.hs


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{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TemplateHaskell #-}

module Model.Frequency
  ( Frequency(..)
  ) where

import GHC.Generics

import Web.Scotty

import Database.Persist.TH

import Data.Aeson

data Frequency =
  Punctual
  | Monthly
  deriving (Eq, Show, Read, Generic)

derivePersistField "Frequency"

instance Parsable Frequency where parseParam = readEither
instance FromJSON Frequency
instance ToJSON Frequency