{-|
Module      : Gargantext.API.Utils
Description : Server API main Types
Copyright   : (c) CNRS, 2017-Present
License     : BSD3
Maintainer  : team@gargantext.org
Stability   : experimental
Portability : POSIX

Mainly copied from Servant.Job.Utils (Thanks)

-}

{-# LANGUAGE OverloadedStrings  #-}
{-# LANGUAGE NoImplicitPrelude  #-}

module Gargantext.API.Utils
  where

import Gargantext.Prelude
import Data.Maybe (Maybe, fromMaybe)
import Prelude (String)
import qualified Data.Text as T
import Data.Swagger
import Data.Text (Text)



swaggerOptions :: Text -> SchemaOptions
swaggerOptions pref = defaultSchemaOptions
  { Data.Swagger.fieldLabelModifier = modifier pref
  , Data.Swagger.unwrapUnaryRecords = False
  }


modifier :: Text -> String -> String
modifier pref field = T.unpack
                    $ T.stripPrefix pref (T.pack field) ?! "Expecting prefix " <> T.unpack pref


infixr 4 ?|

-- Reverse infix form of "fromMaybe"
(?|) :: Maybe a -> a -> a
(?|) = flip fromMaybe

infixr 4 ?!

-- Reverse infix form of "fromJust" with a custom error message
(?!) :: Maybe a -> String -> a
(?!) ma' msg = ma' ?| panic (T.pack msg)