{- This file is part of Vervis.
 -
 - Written in 2016 by fr33domlover <fr33domlover@riseup.net>.
 -
 - ♡ Copying is an act of love. Please copy, reuse and share.
 -
 - The author(s) have dedicated all copyright and related and neighboring
 - rights to this software to the public domain worldwide. This software is
 - distributed without any warranty.
 -
 - You should have received a copy of the CC0 Public Domain Dedication along
 - with this software. If not, see
 - <http://creativecommons.org/publicdomain/zero/1.0/>.
 -}

module Vervis.Handler.Git
    ( getGitRefDiscoverR
    )
where

import Prelude

import Control.Monad.IO.Class (liftIO)
import Data.Git.Storage (isRepo)
import Data.String (fromString)
import Data.Text (Text)
import Yesod.Core.Handler

import Vervis.Foundation (Handler)
import Vervis.Path (askRepoDir)

getGitRefDiscoverR :: Text -> Text -> Handler Text
getGitRefDiscoverR sharer repo = do
    path <- askRepoDir sharer repo
    seemsThere <- liftIO $ isRepo $ fromString path
    if seemsThere
        then do
            rq <- getRequest
            case reqGetParams rq of
                [("service", _)] -> permissionDenied "Service not supported"
                _                -> notFound
        else notFound