import Control.Monad (forever, when)
import Data.Aeson (decode)
import Data.List ((\\))
+import Data.Maybe (fromMaybe, isNothing)
import Data.Monoid ((<>))
import Data.Time.LocalTime (TimeZone, getCurrentTimeZone)
import System.Exit (ExitCode(..), exitWith)
default_headers,
print_sendmail_result,
rfc822_now,
- sendmail
- )
+ sendmail)
import Twitter.Http
import Twitter.Status
import Twitter.User
thread_sleep (heartbeat cfg)
timeline <- get_user_new_statuses cfg username latest_status_id
- -- FIXME
- let Just new_statuses = decode timeline :: Maybe Timeline
+ let decoded_timeline = decode timeline :: Maybe Timeline
- case (length new_statuses) of
- 0 ->
- do_recurse latest_status_id
- _ -> do
+ when (isNothing decoded_timeline) $
+ hPutStrLn stderr $
+ "Couldn't retrieve "
+ ++ username
+ ++ "'s timeline. Skipping..."
+ let new_statuses = fromMaybe [] decoded_timeline
+
+ case new_statuses of
+ [] -> do_recurse latest_status_id
+ _ -> do
mention_replies cfg new_statuses
mention_retweets cfg new_statuses
tz <- getCurrentTimeZone
let mtz = Just tz
- mapM_ (putStrLn . (pretty_print mtz)) good_statuses
+ mapM_ (putStr . (pretty_print mtz)) good_statuses
send_messages cfg mtz maybe_message good_statuses
get_latest_status_id cfg username = do
let delay = heartbeat cfg
timeline <- get_user_timeline cfg username
- let Just initial_timeline = decode timeline :: Maybe Timeline
- case (length initial_timeline) of
- 0 -> do
+ let decoded_timeline = decode timeline :: Maybe Timeline
+
+ when (isNothing decoded_timeline) $
+ hPutStrLn stderr $
+ "Couldn't retrieve "
+ ++ username
+ ++ "'s timeline. Skipping..."
+
+ let initial_timeline = fromMaybe [] decoded_timeline
+
+ case initial_timeline of
+ [] -> do
-- If the HTTP part barfs, try again after a while.
- putStrLn ("Couldn't retrieve " ++ username ++ "'s timeline. Retrying...")
thread_sleep delay
get_latest_status_id cfg username
- _ -> return (get_max_status_id initial_timeline)
+ _ ->
+ return (get_max_status_id initial_timeline)
main = do
-- And a Cfg object.
rc_cfg <- OC.from_rc
- cmd_cfg <- apply_args
+ cmd_cfg <- get_args
-- Merge the config file options with the command-line ones,
-- prefering the command-line ones.