]> git.mxchange.org Git - quix0rs-gnu-social.git/blobdiff - lib/twitterapi.php
return singleton if initialized
[quix0rs-gnu-social.git] / lib / twitterapi.php
index 6a90b4e2885701d83c99cfe93d08ac0afdf48161..f538a0298148e2c49659dab968e5cb7c5c89a381 100644 (file)
@@ -1,7 +1,7 @@
 <?php
 /*
  * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
+ * Copyright (C) 2008, 2009, Control Yourself, Inc.
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as published by
@@ -17,7 +17,9 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-if (!defined('LACONICA')) { exit(1); }
+if (!defined('LACONICA')) {
+    exit(1);
+}
 
 class TwitterapiAction extends Action
 {
@@ -51,23 +53,104 @@ class TwitterapiAction extends Action
         parent::handle($args);
     }
 
-    function twitter_user_array($profile, $get_notice=false)
+    /**
+     * Overrides XMLOutputter::element to write booleans as strings (true|false).
+     * See that method's documentation for more info.
+     *
+     * @param string $tag     Element type or tagname
+     * @param array  $attrs   Array of element attributes, as
+     *                        key-value pairs
+     * @param string $content string content of the element
+     *
+     * @return void
+     */
+    function element($tag, $attrs=null, $content=null)
     {
+        if (is_bool($content)) {
+            $content = ($content ? 'true' : 'false');
+        }
+
+        return parent::element($tag, $attrs, $content);
+    }
 
+    function twitter_user_array($profile, $get_notice=false)
+    {
         $twitter_user = array();
 
+        $twitter_user['id'] = intval($profile->id);
         $twitter_user['name'] = $profile->getBestName();
-        $twitter_user['followers_count'] = $this->count_subscriptions($profile);
         $twitter_user['screen_name'] = $profile->nickname;
-        $twitter_user['description'] = ($profile->bio) ? $profile->bio : null;
         $twitter_user['location'] = ($profile->location) ? $profile->location : null;
-        $twitter_user['id'] = intval($profile->id);
+        $twitter_user['description'] = ($profile->bio) ? $profile->bio : null;
 
         $avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
+        $twitter_user['profile_image_url'] = ($avatar) ? $avatar->displayUrl() :
+            Avatar::defaultImage(AVATAR_STREAM_SIZE);
 
-        $twitter_user['profile_image_url'] = ($avatar) ? $avatar->displayUrl() : Avatar::defaultImage(AVATAR_STREAM_SIZE);
-        $twitter_user['protected'] = 'false'; # not supported by Laconica yet
         $twitter_user['url'] = ($profile->homepage) ? $profile->homepage : null;
+        $twitter_user['protected'] = false; # not supported by Laconica yet
+        $twitter_user['followers_count'] = $this->count_subscriptions($profile);
+
+        // To be supported soon...
+        $twitter_user['profile_background_color'] = '';
+        $twitter_user['profile_text_color'] = '';
+        $twitter_user['profile_link_color'] = '';
+        $twitter_user['profile_sidebar_fill_color'] = '';
+        $twitter_user['profile_sidebar_border_color'] = '';
+
+        $subbed = DB_DataObject::factory('subscription');
+        $subbed->subscriber = $profile->id;
+        $subbed_count = (int) $subbed->count() - 1;
+        $twitter_user['friends_count'] = (is_int($subbed_count)) ? $subbed_count : 0;
+
+        $twitter_user['created_at'] = $this->date_twitter($profile->created);
+
+        $faves = DB_DataObject::factory('fave');
+        $faves->user_id = $user->id;
+        $faves_count = (int) $faves->count();
+        $twitter_user['favourites_count'] = $faves_count; // British spelling!
+
+        // Need to pull up the user for some of this
+        $user = User::staticGet($profile->id);
+
+        $timezone = 'UTC';
+
+        if ($user->timezone) {
+            $timezone = $user->timezone;
+        }
+
+        $t = new DateTime;
+        $t->setTimezone(new DateTimeZone($timezone));
+
+        $twitter_user['utc_offset'] = $t->format('Z');
+        $twitter_user['time_zone'] = $timezone;
+
+        // To be supported some day, perhaps
+        $twitter_user['profile_background_image_url'] = '';
+        $twitter_user['profile_background_tile'] = false;
+
+        $notices = DB_DataObject::factory('notice');
+        $notices->profile_id = $profile->id;
+        $notice_count = (int) $notices->count();
+
+        $twitter_user['statuses_count'] = (is_int($notice_count)) ? $notice_count : 0;
+
+        // Is the requesting user following this user?
+        $twitter_user['following'] = false;
+        $twitter_user['notifications'] = false;
+
+        if (isset($apidata['user'])) {
+
+            $twitter_user['following'] = $apidata['user']->isSubscribed($profile);
+
+            // Notifications on?
+            $sub = Subscription::pkeyGet(array('subscriber' =>
+                $apidata['user']->id, 'subscribed' => $profile->id));
+
+            if ($sub) {
+                $twitter_user['notifications'] = ($sub->jabber || $sub->sms);
+            }
+        }
 
         if ($get_notice) {
             $notice = $profile->getCurrentNotice();
@@ -86,7 +169,7 @@ class TwitterapiAction extends Action
 
         $twitter_status = array();
         $twitter_status['text'] = $notice->content;
-        $twitter_status['truncated'] = 'false'; # Not possible on Laconica
+        $twitter_status['truncated'] = false; # Not possible on Laconica
         $twitter_status['created_at'] = $this->date_twitter($notice->created);
         $twitter_status['in_reply_to_status_id'] = ($notice->reply_to) ?
             intval($notice->reply_to) : null;
@@ -108,10 +191,9 @@ class TwitterapiAction extends Action
             ($replier_profile) ? $replier_profile->nickname : null;
 
         if (isset($this->auth_user)) {
-            $twitter_status['favorited'] =
-                ($this->auth_user->hasFave($notice)) ? 'true' : 'false';
+            $twitter_status['favorited'] = $this->auth_user->hasFave($notice);
         } else {
-            $twitter_status['favorited'] = 'false';
+            $twitter_status['favorited'] = false;
         }
 
         if ($include_user) {
@@ -441,11 +523,11 @@ class TwitterapiAction extends Action
     function init_document($type='xml')
     {
         switch ($type) {
-         case 'xml':
+        case 'xml':
             header('Content-Type: application/xml; charset=utf-8');
             $this->startXML();
             break;
-         case 'json':
+        case 'json':
             header('Content-Type: application/json; charset=utf-8');
 
             // Check for JSONP callback
@@ -454,16 +536,16 @@ class TwitterapiAction extends Action
                 print $callback . '(';
             }
             break;
-         case 'rss':
+        case 'rss':
             header("Content-Type: application/rss+xml; charset=utf-8");
             $this->init_twitter_rss();
             break;
-         case 'atom':
+        case 'atom':
             header('Content-Type: application/atom+xml; charset=utf-8');
             $this->init_twitter_atom();
             break;
-         default:
-            $this->client_error(_('Not a supported data format.'));
+        default:
+            $this->clientError(_('Not a supported data format.'));
             break;
         }
 
@@ -473,10 +555,10 @@ class TwitterapiAction extends Action
     function end_document($type='xml')
     {
         switch ($type) {
-         case 'xml':
+        case 'xml':
             $this->endXML();
             break;
-         case 'json':
+        case 'json':
 
             // Check for JSONP callback
             $callback = $this->arg('callback');
@@ -484,20 +566,20 @@ class TwitterapiAction extends Action
                 print ')';
             }
             break;
-         case 'rss':
+        case 'rss':
             $this->end_twitter_rss();
             break;
-         case 'atom':
+        case 'atom':
             $this->end_twitter_rss();
             break;
-         default:
-            $this->client_error(_('Not a supported data format.'));
+        default:
+            $this->clientError(_('Not a supported data format.'));
             break;
         }
         return;
     }
 
-    function client_error($msg, $code = 400, $content_type = 'json')
+    function clientError($msg, $code = 400, $content_type = 'json')
     {
 
         static $status = array(400 => 'Bad Request',
@@ -577,14 +659,14 @@ class TwitterapiAction extends Action
     {
         $profile_array = $this->twitter_user_array($profile, true);
         switch ($content_type) {
-         case 'xml':
+        case 'xml':
             $this->show_twitter_xml_user($profile_array);
             break;
-         case 'json':
+        case 'json':
             $this->show_json_objects($profile_array);
             break;
-         default:
-            $this->client_error(_('Not a supported data format.'));
+        default:
+            $this->clientError(_('Not a supported data format.'));
             return;
         }
         return;
@@ -592,8 +674,28 @@ class TwitterapiAction extends Action
 
     function get_user($id, $apidata=null)
     {
-        if (!$id) {
-            return $apidata['user'];
+        if (empty($id)) {
+
+            // Twitter supports these other ways of passing the user ID
+            if (is_numeric($this->arg('id'))) {
+                return User::staticGet($this->arg('id'));
+            } else if ($this->arg('id')) {
+                $nickname = common_canonical_nickname($this->arg('id'));
+                return User::staticGet('nickname', $nickname);
+            } else if ($this->arg('user_id')) {
+                // This is to ensure that a non-numeric user_id still
+                // overrides screen_name even if it doesn't get used
+                if (is_numeric($this->arg('user_id'))) {
+                    return User::staticGet('id', $this->arg('user_id'));
+                }
+            } else if ($this->arg('screen_name')) {
+                $nickname = common_canonical_nickname($this->arg('screen_name'));
+                return User::staticGet('nickname', $nickname);
+            } else {
+                // Fall back to trying the currently authenticated user
+                return $apidata['user'];
+            }
+
         } else if (is_numeric($id)) {
             return User::staticGet($id);
         } else {
@@ -620,13 +722,13 @@ class TwitterapiAction extends Action
     {
         $source_name = _($source);
         switch ($source) {
-         case 'web':
-         case 'xmpp':
-         case 'mail':
-         case 'omb':
-         case 'api':
+        case 'web':
+        case 'xmpp':
+        case 'mail':
+        case 'omb':
+        case 'api':
             break;
-         default:
+        default:
             $ns = Notice_source::staticGet($source);
             if ($ns) {
                 $source_name = '<a href="' . $ns->url . '">' . $ns->name . '</a>';
@@ -636,4 +738,49 @@ class TwitterapiAction extends Action
         return $source_name;
     }
 
+    /**
+     * Returns query argument or default value if not found. Certain
+     * parameters used throughout the API are lightly scrubbed and
+     * bounds checked.  This overrides Action::arg().
+     *
+     * @param string $key requested argument
+     * @param string $def default value to return if $key is not provided
+     *
+     * @return var $var
+     */
+    function arg($key, $def=null)
+    {
+
+        // XXX: Do even more input validation/scrubbing?
+
+        if (array_key_exists($key, $this->args)) {
+            switch($key) {
+            case 'page':
+                $page = (int)$this->args['page'];
+                return ($page < 1) ? 1 : $page;
+            case 'count':
+                $count = (int)$this->args['count'];
+                if ($count < 1) {
+                    return 20;
+                } elseif ($count > 200) {
+                    return 200;
+                } else {
+                    return $count;
+                }
+            case 'since_id':
+                $since_id = (int)$this->args['since_id'];
+                return ($since_id < 1) ? 0 : $since_id;
+            case 'max_id':
+                $max_id = (int)$this->args['max_id'];
+                return ($max_id < 1) ? 0 : $max_id;
+            case 'since':
+                return strtotime($this->args['since']);
+            default:
+                return parent::arg($key, $def);
+            }
+        } else {
+            return $def;
+        }
+    }
+
 }