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{-# LANGUAGE FlexibleContexts #-}
-- | mostly the monad the service runs in
module Server.Util (Service, ServiceM, runService, sendErrorMsg) where
import Control.Monad.Logger (LoggingT, runStderrLoggingT)
import qualified Data.Aeson as A
import Data.ByteString (ByteString)
import Data.Text (Text)
import Servant (Handler, ServerError, ServerT, err404,
errBody, errHeaders, throwError)
type ServiceM = LoggingT Handler
type Service api = ServerT api ServiceM
runService :: ServiceM a -> Handler a
runService = runStderrLoggingT
sendErrorMsg :: Text -> ServiceM a
sendErrorMsg msg = throwError err404
{ errBody = A.encode $ A.object ["error" A..= (404 :: Int), "msg" A..= msg] }
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