git-annex/Logs/Schedule.hs
2013-10-14 16:15:38 -04:00

72 lines
2 KiB
Haskell

{- git-annex scheduled activities log
-
- Copyright 2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Logs.Schedule (
scheduleLog,
scheduleSet,
scheduleAdd,
scheduleRemove,
scheduleChange,
scheduleGet,
scheduleMap,
getLastRunTimes,
setLastRunTime,
) where
import qualified Data.Map as M
import qualified Data.Set as S
import Data.Time.Clock.POSIX
import Data.Time.LocalTime
import Common.Annex
import Types.ScheduledActivity
import qualified Annex.Branch
import Logs
import Logs.UUIDBased
import Utility.Tmp
scheduleSet :: UUID -> [ScheduledActivity] -> Annex ()
scheduleSet uuid@(UUID _) activities = do
ts <- liftIO getPOSIXTime
Annex.Branch.change scheduleLog $
showLog id . changeLog ts uuid val . parseLog Just
where
val = fromScheduledActivities activities
scheduleSet NoUUID _ = error "unknown UUID; cannot modify"
scheduleMap :: Annex (M.Map UUID [ScheduledActivity])
scheduleMap = simpleMap
. parseLogWithUUID parser
<$> Annex.Branch.get scheduleLog
where
parser _uuid = eitherToMaybe . parseScheduledActivities
scheduleGet :: UUID -> Annex (S.Set ScheduledActivity)
scheduleGet u = do
m <- scheduleMap
return $ maybe S.empty S.fromList (M.lookup u m)
scheduleRemove :: UUID -> ScheduledActivity -> Annex ()
scheduleRemove u activity = scheduleChange u $ S.delete activity
scheduleAdd :: UUID -> ScheduledActivity -> Annex ()
scheduleAdd u activity = scheduleChange u $ S.insert activity
scheduleChange :: UUID -> (S.Set ScheduledActivity -> S.Set ScheduledActivity) -> Annex ()
scheduleChange u a = scheduleSet u . S.toList . a =<< scheduleGet u
getLastRunTimes :: Annex (M.Map ScheduledActivity LocalTime)
getLastRunTimes = do
f <- fromRepo gitAnnexScheduleState
liftIO $ fromMaybe M.empty
<$> catchDefaultIO Nothing (readish <$> readFile f)
setLastRunTime :: ScheduledActivity -> LocalTime -> Annex ()
setLastRunTime activity lastrun = do
f <- fromRepo gitAnnexScheduleState
liftIO . viaTmp writeFile f . show . M.insert activity lastrun
=<< getLastRunTimes