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{-# LANGUAGE OverloadedStrings #-}
module Conf
( getConf
, Conf(..)
) where
import Data.Text (Text)
import qualified Data.ConfigManager as Conf
data Conf = Conf
{ hostname :: Text
, port :: Int
, signInExpirationMn :: Int
, currency :: Text
} deriving (Read, Eq, Show)
getConf :: FilePath -> IO (Either Text Conf)
getConf path =
(flip fmap) (Conf.readConfig path) (\configOrError -> do
conf <- configOrError
Conf <$>
Conf.lookup "hostname" conf <*>
Conf.lookup "port" conf <*>
Conf.lookup "signInExpirationMn" conf <*>
Conf.lookup "currency" conf
)
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