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module EventCache ( purgeOldEventCaches
, appendManualEventCache
, readEmacsEventCache
, readManualEventCache
) where
import Control.Applicative ((<$>))
import qualified Control.SremConfig as SremConfig
import Data.Time.Calendar
import Data.Time.Clock
import System.Directory (doesFileExist)
import System.FilePath ((</>))
import Types.Reminder
import Utility.Emacs
purgeOldEventCaches :: IO [Reminder]
purgeOldEventCaches = undefined
appendManualEventCache :: IO ()
appendManualEventCache = do
date <- cacheFileDateString
dir <- SremConfig.getCacheDirectory
let path = dir </> "manual_" ++ date ++ ".csv"
undefined
readEmacsEventCache :: IO [Reminder]
readEmacsEventCache = do
date <- cacheFileDateString
dir <- SremConfig.getCacheDirectory
let path = dir </> "emacs_" ++ date ++ ".csv"
doesFileExist path >>= \alreadyThere ->
if alreadyThere
then readEventsCSV path
else do
rems <- parseEmacsOutput <$> getEmacsOutput
writeFile path $ makeEventsCSV rems
return rems
readManualEventCache :: IO [Reminder]
readManualEventCache = do
date <- cacheFileDateString
dir <- SremConfig.getCacheDirectory
let path = dir </> "manual_" ++ date ++ ".csv"
undefined
readEventsCSV :: FilePath -> IO [Reminder]
readEventsCSV = undefined
parseEventsCSV :: String -> [Reminder]
parseEventsCSV = undefined
makeEventsCSV :: [Reminder] -> String
makeEventsCSV = undefined
cacheFileDateString :: IO String
cacheFileDateString = showGregorian . utctDay <$> getCurrentTime
-- getEventCacheLock :: IO [Reminder]
-- getEventCacheLock = undefined
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