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|
{-# LANGUAGE BlockArguments #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE ExplicitForAll #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
module Handlers (
-- , submitImpl
statusImpl
-- , relintImpl
, stateImpl
, AdminOverview(..)
, MapService(..),relintImpl,realtimeImpl) where
import Universum
import CheckDir (DirResult (dirresultMaps))
import CheckMap (MapResult (MapResult, mapresultBadges))
import Control.Concurrent.STM (TQueue, dupTChan, readTChan,
writeTQueue)
import Data.Aeson (ToJSON (..), (.=))
import qualified Data.Aeson as A
import qualified Data.Aeson.Key as A
import Data.Coerce (coerce)
import qualified Data.Map as M
import Network.WebSockets (PendingConnection, acceptRequest,
rejectRequest, sendTextData,
withPingThread)
import Servant (Handler, err404, throwError)
import Server (JobStatus (..), Org (orgUrl),
RemoteRef (reponame), ServerState,
Sha1, getJobStatus,
unState, adjustedWebPath)
import Worker (Job (Job))
-- | an info type wrapped around the server state, to carry serialisation instances.
newtype AdminOverview =
AdminOverview { unAdminOverview :: ServerState }
newtype MapService =
MapService { unMapService :: ServerState }
instance ToJSON MapService where
toJSON (MapService state) =
toJSON . map orgObject $ view unState state
where
orgObject (org, statuses) =
A.object
. mapMaybe worldObject
$ M.elems statuses
where
worldObject (remote, _current, result) = case result of
Just (Linted res rev _) ->
Just (A.fromText (reponame remote) .=
M.mapWithKey (mapInfo rev) (dirresultMaps res))
_ -> Nothing
mapInfo rev mappath MapResult { .. } = A.object
[ "badges" .= mapresultBadges
-- TODO: type-safe url library for adding the slash?
, "url" .= (orgUrl org <> adjustedWebPath rev org <> "/" <> toText mappath) ]
statusImpl :: MVar ServerState -> Text -> Sha1 -> Handler (Org True, RemoteRef, JobStatus, Maybe JobStatus)
statusImpl state orgslug sha1 = do
status <- liftIO $ getJobStatus state orgslug sha1
case status of
Just stuff -> pure stuff
Nothing -> throwError err404
-- | since there are multiple apis that just get state information …
stateImpl
:: forall s
. Coercible s ServerState
=> MVar ServerState
-> Handler s
stateImpl state = readMVar state <&> coerce
relintImpl :: TQueue Job -> MVar ServerState -> Text -> Sha1 -> Handler Text
relintImpl queue state orgslug sha1 =
liftIO $ getJobStatus state orgslug sha1 >>= \case
Nothing -> pure "there isn't a job here to restart"
Just (org, ref, _oldjob, _veryoldjob) -> do
atomically $ writeTQueue queue (Job ref org)
pure "hello"
realtimeImpl :: MVar ServerState -> Text -> Sha1 -> PendingConnection -> Handler ()
realtimeImpl state orgslug sha1 pending =
liftIO (getJobStatus state orgslug sha1) >>= \case
Just (_org, _ref, Linted _ _ (_, realtime), _) -> do
conn <- liftIO $ acceptRequest pending
incoming <- atomically $ dupTChan realtime
liftIO $ withPingThread conn 30 pass $ forever $ do
next <- atomically $ readTChan incoming
sendTextData conn (A.encode next)
_ -> liftIO $ rejectRequest pending "no!"
|
