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 // FIXME: need to find a better way to pass this pattern in
63 $this->deleteurl = common_local_url('deletenotice',
64 array('notice' => '0000000000'));
68 function onEndShowScripts($action)
70 $timeline = $this->_getTimeline($action);
72 // If there's not a timeline on this page,
75 if (empty($timeline)) {
79 $base = $action->selfUrl();
80 if (mb_strstr($base, '?')) {
81 $url = $base . '&realtime=1';
83 $url = $base . '?realtime=1';
86 $scripts = $this->_getScripts();
88 foreach ($scripts as $script) {
89 $action->script($script);
92 $user = common_current_user();
94 if (!empty($user->id)) {
100 if ($action->boolean('realtime')) {
101 $realtimeUI = ' RealtimeUpdate.initPopupWindow();';
104 $pluginPath = common_path('plugins/Realtime/');
105 $realtimeUI = ' RealtimeUpdate.initActions("'.$url.'", "'.$timeline.'", "'. $pluginPath .'");';
108 $script = ' $(document).ready(function() { '.
110 $this->_updateInitialize($timeline, $user_id).
112 $action->inlineScript($script);
117 function onEndShowStatusNetStyles($action)
119 $action->cssLink(common_path('plugins/Realtime/realtimeupdate.css'),
120 null, 'screen, projection, tv');
124 function onHandleQueuedNotice($notice)
128 // Add to the author's timeline
130 $user = User::staticGet('id', $notice->profile_id);
133 $paths[] = array('showstream', $user->nickname);
136 // Add to the public timeline
138 if ($notice->is_local == Notice::LOCAL_PUBLIC ||
139 ($notice->is_local == Notice::REMOTE_OMB && !common_config('public', 'localonly'))) {
140 $paths[] = array('public');
143 // Add to the tags timeline
145 $tags = $this->getNoticeTags($notice);
148 foreach ($tags as $tag) {
149 $paths[] = array('tag', $tag);
153 // Add to inbox timelines
156 $inbox = new Notice_inbox();
157 $inbox->notice_id = $notice->id;
159 if ($inbox->find()) {
160 while ($inbox->fetch()) {
161 $user = User::staticGet('id', $inbox->user_id);
162 $paths[] = array('all', $user->nickname);
166 // Add to the replies timeline
168 $reply = new Reply();
169 $reply->notice_id = $notice->id;
171 if ($reply->find()) {
172 while ($reply->fetch()) {
173 $user = User::staticGet('id', $reply->profile_id);
175 $paths[] = array('replies', $user->nickname);
180 // Add to the group timeline
183 $gi = new Group_inbox();
184 $gi->notice_id = $notice->id;
187 while ($gi->fetch()) {
188 $ug = User_group::staticGet('id', $gi->group_id);
189 $paths[] = array('showgroup', $ug->nickname);
193 if (count($paths) > 0) {
195 $json = $this->noticeAsJson($notice);
199 foreach ($paths as $path) {
200 $timeline = $this->_pathToChannel($path);
201 $this->_publish($timeline, $json);
204 $this->_disconnect();
210 function onStartShowBody($action)
212 $realtime = $action->boolean('realtime');
217 $action->elementStart('body',
218 (common_current_user()) ? array('id' => $action->trimmed('action'),
219 'class' => 'user_in realtime-popup')
220 : array('id' => $action->trimmed('action'),
221 'class'=> 'realtime-popup'));
223 // XXX hack to deal with JS that tries to get the
224 // root url from page output
226 $action->elementStart('address');
227 $action->element('a', array('class' => 'url',
228 'href' => common_local_url('public')),
230 $action->elementEnd('address');
232 if (common_logged_in()) {
233 $action->showNoticeForm();
236 $action->showContentBlock();
237 $action->showScripts();
238 $action->elementEnd('body');
239 return false; // No default processing
242 function noticeAsJson($notice)
244 // FIXME: this code should be abstracted to a neutral third
245 // party, like Notice::asJson(). I'm not sure of the ethics
246 // of refactoring from within a plugin, so I'm just abusing
247 // the ApiAction method. Don't do this unless you're me!
249 require_once(INSTALLDIR.'/lib/api.php');
251 $act = new ApiAction('/dev/null');
253 $arr = $act->twitterStatusArray($notice, true);
254 $arr['url'] = $notice->bestUrl();
255 $arr['html'] = htmlspecialchars($notice->rendered);
256 $arr['source'] = htmlspecialchars($arr['source']);
258 if (!empty($notice->reply_to)) {
259 $reply_to = Notice::staticGet('id', $notice->reply_to);
260 if (!empty($reply_to)) {
261 $arr['in_reply_to_status_url'] = $reply_to->bestUrl();
266 $profile = $notice->getProfile();
267 $arr['user']['profile_url'] = $profile->profileurl;
272 function getNoticeTags($notice)
276 $nt = new Notice_tag();
277 $nt->notice_id = $notice->id;
281 while ($nt->fetch()) {
292 function _getScripts()
294 return array('plugins/Realtime/realtimeupdate.js',
295 'plugins/Realtime/json2.js');
298 function _updateInitialize($timeline, $user_id)
300 return "RealtimeUpdate.init($user_id, \"$this->replyurl\", \"$this->favorurl\", \"$this->deleteurl\"); ";
307 function _publish($timeline, $json)
311 function _disconnect()
315 function _pathToChannel($path)
320 function _getTimeline($action)
325 $action_name = $action->trimmed('action');
327 switch ($action_name) {
329 $path = array('public');
332 $tag = $action->trimmed('tag');
334 $path = array('tag', $tag);
341 $nickname = common_canonical_nickname($action->trimmed('nickname'));
342 if (!empty($nickname)) {
343 $path = array($action_name, $nickname);
351 $timeline = $this->_pathToChannel($path);