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|
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE KindSignatures #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE TypeOperators #-}
module Server (loadConfig, Config(..), RemoteRef(..), State, registry, jobs, JobStatus(..),
setJobStatus,defaultState,setRegistry) where
import CheckDir (DirResult)
import Control.Concurrent (MVar, modifyMVar_)
import Data.Aeson (FromJSON, ToJSON, eitherDecode)
import qualified Data.ByteString.Lazy as LB
import Data.Map (Map)
import qualified Data.Map as M
import Data.Text (Text)
import Data.UUID (UUID)
import GHC.Generics (Generic)
import Lens.Micro (over)
import Lens.Micro.TH
import LintConfig (LintConfig')
-- | a reference in a remote git repository
data RemoteRef = RemoteRef
{ repourl :: Text
, reporef :: Text
} deriving (Generic, FromJSON, Eq, Ord)
type family ConfigRes (b :: Bool) a where
ConfigRes True a = a
ConfigRes False a = FilePath
-- | the server's configuration
data Config l = Config
{ tmpdir :: FilePath
-- ^ dir to clone git things in
, port :: Int
-- ^ port to bind to
, entrypoint :: FilePath
, lintconfig :: ConfigRes l LintConfig'
}
data JobStatus =
Pending | Linted DirResult | Failed Text
deriving (Generic, ToJSON)
data State = State
{ _jobs :: Map RemoteRef JobStatus
, _registry :: Map UUID RemoteRef
}
makeLenses ''State
defaultState :: State
defaultState = State mempty mempty
loadConfig :: Config False -> IO (Config True)
loadConfig config = do
loaded <- LB.readFile (lintconfig config) >>= \res ->
case eitherDecode res :: Either String LintConfig' of
Left err -> error $ "config file invalid: " <> err
Right file -> pure file
pure $ config { lintconfig = loaded }
setJobStatus :: MVar State -> RemoteRef -> JobStatus -> IO ()
setJobStatus mvar ref status = modifyMVar_ mvar
$ pure . over jobs (M.insert ref status)
setRegistry :: MVar State -> UUID -> RemoteRef -> IO ()
setRegistry mvar uuid ref = modifyMVar_ mvar
$ pure . over registry (M.insert uuid ref)
|
