X-Git-Url: http://gitweb.michael.orlitzky.com/?p=dead%2Fhalcyon.git;a=blobdiff_plain;f=src%2FMain.hs;h=fc7966f9f1df518283cae1ce2705b1e1effb058e;hp=de209899bfedfb9611b269e21e8693b00f4aa79b;hb=27c6a7e62a428ceb1d2a60d456b075feee196da9;hpb=376e4ed1f16a0fe5a4d100877c618d85e20a9b8f

diff --git a/src/Main.hs b/src/Main.hs
index de20989..fc7966f 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -58,7 +58,7 @@ recurse username latest_status_id maybe_message = do
         recurse username latest_status_id maybe_message
       _ -> do
         let new_latest_status_id = get_max_status_id new_statuses
-        mapM (putStrLn . pretty_print) new_statuses
+        _ <- mapM (putStrLn . pretty_print) new_statuses
 
         case maybe_message of
           Nothing -> do
@@ -68,7 +68,7 @@ recurse username latest_status_id maybe_message = do
              date_header <- construct_date_header
              let messages = map (message_from_status message (date_header)) new_statuses
              sendmail_results <- mapM sendmail messages
-             mapM print_sendmail_result sendmail_results
+             _ <- mapM print_sendmail_result sendmail_results
              recurse username new_latest_status_id maybe_message
              return ()
 
@@ -145,12 +145,43 @@ main = do
                                             from = fromaddr })
 
   -- Execute run_twat on each username in a new thread.
-  mapM (forkIO . (run_twat message)) usernames
+  _ <- mapM (forkIO . (run_twat message)) usernames
 
-  forever $ do
+  _ <- forever $ do
     -- This thread (the one executing main) doesn't do anything,
     -- but when it terminates, so do all the threads we forked.
     -- As a result, we need to keep this thread on life support.
     thread_sleep heartbeat
 
   return ()
+
+
+-- |A debugging tool that will parse, print, and email a single status
+-- (given by its id).
+twat_single_status :: Integer -> (Maybe Message) -> IO ()
+twat_single_status the_status_id maybe_message = do
+    xmldata <- get_status the_status_id
+
+    -- Parsing an empty result can blow up. Just pretend there are
+    -- no new statuses in that case.
+    let statuses = case xmldata of
+                     Just xml -> parse_status xml
+                     Nothing  -> []
+
+    case (length statuses) of
+      0 -> do
+        putStrLn "No statuses returned."
+        return ()
+      _ -> do
+        _ <- mapM (putStrLn . pretty_print) statuses
+
+        case maybe_message of
+          Nothing -> do
+             putStrLn "No message object given."
+             return ()
+          Just message -> do
+             date_header <- construct_date_header
+             let messages = map (message_from_status message (date_header)) statuses
+             sendmail_results <- mapM sendmail messages
+             _ <- mapM print_sendmail_result sendmail_results
+             return ()