From f86fed357c07f1c1d2c633e8c2c730f205187e1a Mon Sep 17 00:00:00 2001
From: Zach Copley <zach@controlyourself.ca>
Date: Wed, 2 Sep 2009 00:50:41 +0000
Subject: Better error handling

---
 lib/twitter.php | 100 ++++++++++++++++++++++++--------------------------------
 1 file changed, 42 insertions(+), 58 deletions(-)

(limited to 'lib')

diff --git a/lib/twitter.php b/lib/twitter.php
index 455f7e7ef..676c9b20a 100644
--- a/lib/twitter.php
+++ b/lib/twitter.php
@@ -175,34 +175,7 @@ function broadcast_oauth($notice, $flink) {
     try {
         $status = $client->statusesUpdate($statustxt);
     } catch (OAuthClientCurlException $e) {
-
-        if ($e->getMessage() == 'The requested URL returned error: 401') {
-
-            $errmsg = sprintf('User %1$s (user id: %2$s) has an invalid ' .
-                              'Twitter OAuth access token.',
-                              $user->nickname, $user->id);
-            common_log(LOG_WARNING, $errmsg);
-
-            // Bad auth token! We need to delete the foreign_link
-            // to Twitter and inform the user.
-
-            remove_twitter_link($flink);
-            return true;
-
-        } else {
-
-            // Some other error happened, so we should probably
-            // try to send again later.
-
-            $errmsg = sprintf('cURL error trying to send notice to Twitter ' .
-                              'for user %1$s (user id: %2$s) - ' .
-                              'code: %3$s message: %4$s.',
-                              $user->nickname, $user->id,
-                              $e->getCode(), $e->getMessage());
-            common_log(LOG_WARNING, $errmsg);
-
-            return false;
-        }
+        return process_error($e, $flink);
     }
 
     if (empty($status)) {
@@ -210,9 +183,9 @@ function broadcast_oauth($notice, $flink) {
         // This could represent a failure posting,
         // or the Twitter API might just be behaving flakey.
 
-        $errmsg = sprintf('No data returned by Twitter API when ' .
-                         'trying to send update for %1$s (user id %2$s).',
-                         $user->nickname, $user->id);
+        $errmsg = sprintf('Twitter bridge - No data returned by Twitter API when ' .
+                          'trying to send update for %1$s (user id %2$s).',
+                          $user->nickname, $user->id);
         common_log(LOG_WARNING, $errmsg);
 
         return false;
@@ -220,7 +193,7 @@ function broadcast_oauth($notice, $flink) {
 
     // Notice crossed the great divide
 
-    $msg = sprintf('Twitter bridge posted notice %s to Twitter using OAuth.',
+    $msg = sprintf('Twitter bridge - posted notice %s to Twitter using OAuth.',
                    $notice->id);
     common_log(LOG_INFO, $msg);
 
@@ -239,46 +212,57 @@ function broadcast_basicauth($notice, $flink)
     try {
         $status = $client->statusesUpdate($statustxt);
     } catch (BasicAuthCurlException $e) {
-
-        if ($e->getMessage() == 'The requested URL returned error: 401') {
-
-            $errmsg = sprintf('User %1$s (user id: %2$s) has an invalid ' .
-                              'Twitter screen_name/password combo.',
-                              $user->nickname, $user->id);
-            common_log(LOG_WARNING, $errmsg);
-
-            remove_twitter_link($flink);
-            return true;
-
-        } else {
-
-            $errmsg = sprintf('cURL error trying to send notice to Twitter ' .
-                              'for user %1$s (user id: %2$s) - ' .
-                              'code: %3$s message: %4$s.',
-                              $user->nickname, $user->id,
-                              $e->getCode(), $e->getMessage());
-            common_log(LOG_WARNING, $errmsg);
-
-            return false;
-        }
+        return process_error($e, $flink);
     }
 
     if (empty($status)) {
 
-        $errmsg = sprintf('No data returned by Twitter API when ' .
-                         'trying to send update for %1$s (user id %2$s).',
-                         $user->nickname, $user->id);
+        $errmsg = sprintf('Twitter bridge - No data returned by Twitter API when ' .
+                          'trying to send update for %1$s (user id %2$s).',
+                          $user->nickname, $user->id);
         common_log(LOG_WARNING, $errmsg);
 
         return false;
     }
 
-    $msg = sprintf('Twitter bridge posted notice %s to Twitter using basic auth.',
+    $msg = sprintf('Twitter bridge - posted notice %s to Twitter using basic auth.',
                    $notice->id);
     common_log(LOG_INFO, $msg);
 
     return true;
+}
+
+function process_error($e, $flink)
+{
+    $user        = $flink->getUser();
+    $errmsg      = $e->getMessage();
+    $delivered   = false;
+
+    switch($errmsg) {
+     case 'The requested URL returned error: 401':
+        $logmsg = sprintf('Twiter bridge - User %1$s (user id: %2$s) has an invalid ' .
+                          'Twitter screen_name/password combo or an invalid acesss token.',
+                          $user->nickname, $user->id);
+        $delivered = true;
+        remove_twitter_link($flink);
+        break;
+     case 'The requested URL returned error: 403':
+        $logmsg = sprintf('Twitter bridge - User %1$s (user id: %2$s) has exceeded ' .
+                          'his/her Twitter request limit.',
+                          $user->nickname, $user->id);
+        break;
+     default:
+        $logmsg = sprintf('Twitter bridge - cURL error trying to send notice to Twitter ' .
+                          'for user %1$s (user id: %2$s) - ' .
+                          'code: %3$s message: %4$s.',
+                          $user->nickname, $user->id,
+                          $e->getCode(), $e->getMessage());
+        break;
+    }
+
+    common_log(LOG_WARNING, $logmsg);
 
+    return $delivered;
 }
 
 function format_status($notice)
-- 
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