3 * StatusNet, the distributed open-source microblogging tool
5 * Superclass for plugins that do "real time" updates of timelines using Ajax
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * @author Evan Prodromou <evan@status.net>
25 * @copyright 2009 StatusNet, Inc.
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link http://status.net/
30 if (!defined('STATUSNET') && !defined('LACONICA')) {
35 * Superclass for plugin to do realtime updates
37 * Based on experience with the Comet and Meteor plugins,
38 * this superclass extracts out some of the common functionality
42 * @author Evan Prodromou <evan@status.net>
43 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
44 * @link http://status.net/
47 class RealtimePlugin extends Plugin
49 protected $replyurl = null;
50 protected $favorurl = null;
51 protected $deleteurl = null;
54 * When it's time to initialize the plugin, calculate and
55 * pass the URLs we need.
58 function onInitializePlugin()
60 $this->replyurl = common_local_url('newnotice');
61 $this->favorurl = common_local_url('favor');
62 $this->repeaturl = common_local_url('repeat');
63 // FIXME: need to find a better way to pass this pattern in
64 $this->deleteurl = common_local_url('deletenotice',
65 array('notice' => '0000000000'));
69 function onEndShowScripts($action)
71 $timeline = $this->_getTimeline($action);
73 // If there's not a timeline on this page,
76 if (empty($timeline)) {
80 $base = $action->selfUrl();
81 if (mb_strstr($base, '?')) {
82 $url = $base . '&realtime=1';
84 $url = $base . '?realtime=1';
87 $scripts = $this->_getScripts();
89 foreach ($scripts as $script) {
90 $action->script($script);
93 $user = common_current_user();
95 if (!empty($user->id)) {
101 if ($action->boolean('realtime')) {
102 $realtimeUI = ' RealtimeUpdate.initPopupWindow();';
105 $pluginPath = common_path('plugins/Realtime/');
106 $realtimeUI = ' RealtimeUpdate.initActions("'.$url.'", "'.$timeline.'", "'. $pluginPath .'");';
109 $script = ' $(document).ready(function() { '.
111 $this->_updateInitialize($timeline, $user_id).
113 $action->inlineScript($script);
118 function onEndShowStatusNetStyles($action)
120 $action->cssLink(common_path('plugins/Realtime/realtimeupdate.css'),
121 null, 'screen, projection, tv');
125 function onHandleQueuedNotice($notice)
129 // Add to the author's timeline
131 $user = User::staticGet('id', $notice->profile_id);
134 $paths[] = array('showstream', $user->nickname);
137 // Add to the public timeline
139 if ($notice->is_local == Notice::LOCAL_PUBLIC ||
140 ($notice->is_local == Notice::REMOTE_OMB && !common_config('public', 'localonly'))) {
141 $paths[] = array('public');
144 // Add to the tags timeline
146 $tags = $this->getNoticeTags($notice);
149 foreach ($tags as $tag) {
150 $paths[] = array('tag', $tag);
154 // Add to inbox timelines
157 $inbox = new Notice_inbox();
158 $inbox->notice_id = $notice->id;
160 if ($inbox->find()) {
161 while ($inbox->fetch()) {
162 $user = User::staticGet('id', $inbox->user_id);
163 $paths[] = array('all', $user->nickname);
167 // Add to the replies timeline
169 $reply = new Reply();
170 $reply->notice_id = $notice->id;
172 if ($reply->find()) {
173 while ($reply->fetch()) {
174 $user = User::staticGet('id', $reply->profile_id);
176 $paths[] = array('replies', $user->nickname);
181 // Add to the group timeline
184 $gi = new Group_inbox();
185 $gi->notice_id = $notice->id;
188 while ($gi->fetch()) {
189 $ug = User_group::staticGet('id', $gi->group_id);
190 $paths[] = array('showgroup', $ug->nickname);
194 if (count($paths) > 0) {
196 $json = $this->noticeAsJson($notice);
200 foreach ($paths as $path) {
201 $timeline = $this->_pathToChannel($path);
202 $this->_publish($timeline, $json);
205 $this->_disconnect();
211 function onStartShowBody($action)
213 $realtime = $action->boolean('realtime');
218 $action->elementStart('body',
219 (common_current_user()) ? array('id' => $action->trimmed('action'),
220 'class' => 'user_in realtime-popup')
221 : array('id' => $action->trimmed('action'),
222 'class'=> 'realtime-popup'));
224 // XXX hack to deal with JS that tries to get the
225 // root url from page output
227 $action->elementStart('address');
228 $action->element('a', array('class' => 'url',
229 'href' => common_local_url('public')),
231 $action->elementEnd('address');
233 if (common_logged_in()) {
234 $action->showNoticeForm();
237 $action->showContentBlock();
238 $action->showScripts();
239 $action->elementEnd('body');
240 return false; // No default processing
243 function noticeAsJson($notice)
245 // FIXME: this code should be abstracted to a neutral third
246 // party, like Notice::asJson(). I'm not sure of the ethics
247 // of refactoring from within a plugin, so I'm just abusing
248 // the ApiAction method. Don't do this unless you're me!
250 require_once(INSTALLDIR.'/lib/api.php');
252 $act = new ApiAction('/dev/null');
254 $arr = $act->twitterStatusArray($notice, true);
255 $arr['url'] = $notice->bestUrl();
256 $arr['html'] = htmlspecialchars($notice->rendered);
257 $arr['source'] = htmlspecialchars($arr['source']);
259 if (!empty($notice->reply_to)) {
260 $reply_to = Notice::staticGet('id', $notice->reply_to);
261 if (!empty($reply_to)) {
262 $arr['in_reply_to_status_url'] = $reply_to->bestUrl();
267 $profile = $notice->getProfile();
268 $arr['user']['profile_url'] = $profile->profileurl;
270 // Add needed repeat data
272 if (!empty($notice->repeat_of)) {
273 $original = Notice::staticGet('id', $notice->repeat_of);
274 if (!empty($original)) {
275 $arr['retweeted_status']['url'] = $original->bestUrl();
276 $arr['retweeted_status']['html'] = htmlspecialchars($original->rendered);
277 $arr['retweeted_status']['source'] = htmlspecialchars($original->source);
278 $originalProfile = $original->getProfile();
279 $arr['retweeted_status']['user']['profile_url'] = $originalProfile->profileurl;
280 if (!empty($original->reply_to)) {
281 $originalReply = Notice::staticGet('id', $original->reply_to);
282 $arr['retweeted_status']['in_reply_to_status_url'] = $originalReply->bestUrl();
291 function getNoticeTags($notice)
295 $nt = new Notice_tag();
296 $nt->notice_id = $notice->id;
300 while ($nt->fetch()) {
311 function _getScripts()
313 return array('plugins/Realtime/realtimeupdate.js');
316 function _updateInitialize($timeline, $user_id)
318 return "RealtimeUpdate.init($user_id, \"$this->replyurl\", \"$this->favorurl\", \"$this->repeaturl\", \"$this->deleteurl\"); ";
325 function _publish($timeline, $json)
329 function _disconnect()
333 function _pathToChannel($path)
338 function _getTimeline($action)
343 $action_name = $action->trimmed('action');
345 switch ($action_name) {
347 $path = array('public');
350 $tag = $action->trimmed('tag');
352 $path = array('tag', $tag);
359 $nickname = common_canonical_nickname($action->trimmed('nickname'));
360 if (!empty($nickname)) {
361 $path = array($action_name, $nickname);
369 $timeline = $this->_pathToChannel($path);