{-# OPTIONS_GHC -fno-warn-orphans #-}

module Model.Frequency () where

import qualified Data.Text                        as T
import           Database.SQLite.Simple           (SQLData (SQLText))
import           Database.SQLite.Simple.FromField (FromField (fromField),
                                                   fieldData)
import           Database.SQLite.Simple.Ok        (Ok (Errors, Ok))
import           Database.SQLite.Simple.ToField   (ToField (toField))

import           Common.Model                     (Frequency)

instance FromField Frequency where
  fromField field = case fieldData field of
    SQLText text -> Ok (read (T.unpack text) :: Frequency)
    _            -> Errors [error "SQLText field required for frequency"]

instance ToField Frequency where
  toField frequency = SQLText . T.pack . show $ frequency