144 lines
4.2 KiB
PHP
144 lines
4.2 KiB
PHP
<?php
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/**
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* Laconica, the distributed open-source microblogging tool
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*
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* Plugin to do "real time" updates using Comet/Bayeux
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Plugin
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @copyright 2009 Control Yourself, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://laconi.ca/
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*/
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if (!defined('LACONICA')) {
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exit(1);
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}
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/**
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* Plugin to do realtime updates using Comet
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*
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* @category Plugin
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://laconi.ca/
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*/
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class CometPlugin extends Plugin
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{
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var $server = null;
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function __construct($server=null)
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{
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$this->server = $server;
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parent::__construct();
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}
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function onEndShowScripts($action)
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{
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$timeline = null;
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$this->log(LOG_DEBUG, 'got action ' . $action->trimmed('action'));
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switch ($action->trimmed('action')) {
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case 'public':
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$timeline = '/timelines/public';
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break;
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default:
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return true;
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}
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$scripts = array('jquery.comet.js', 'json2.js', 'updatetimeline.js');
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foreach ($scripts as $script) {
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$action->element('script', array('type' => 'text/javascript',
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'src' => common_path('plugins/Comet/'.$script)),
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' ');
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}
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$action->elementStart('script', array('type' => 'text/javascript'));
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$action->raw("$(document).ready(function() { updater.init(\"$this->server\", \"$timeline\");});");
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$action->elementEnd('script');
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return true;
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}
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function onEndNoticeSave($notice)
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{
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$this->log(LOG_INFO, "Called for save notice.");
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$timelines = array();
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// XXX: Add other timelines; this is just for the public one
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if ($notice->is_local ||
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($notice->is_local == 0 && !common_config('public', 'localonly'))) {
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$timelines[] = '/timelines/public';
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}
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if (count($timelines) > 0) {
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// Require this, since we need it
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require_once(INSTALLDIR.'/plugins/Comet/bayeux.class.inc.php');
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$json = $this->noticeAsJson($notice);
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// Bayeux? Comet? Huh? These terms confuse me
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$bay = new Bayeux($this->server);
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foreach ($timelines as $timeline) {
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$this->log(LOG_INFO, "Posting notice $notice->id to '$timeline'.");
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$bay->publish($timeline, $json);
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}
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$bay = NULL;
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}
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return true;
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}
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function noticeAsJson($notice)
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{
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// FIXME: this code should be abstracted to a neutral third
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// party, like Notice::asJson(). I'm not sure of the ethics
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// of refactoring from within a plugin, so I'm just abusing
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// the TwitterApiAction method. Don't do this unless you're me!
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require_once(INSTALLDIR.'/lib/twitterapi.php');
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$act = new TwitterApiAction('/dev/null');
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$arr = $act->twitter_status_array($notice, true);
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$arr['url'] = $notice->bestUrl();
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$profile = $notice->getProfile();
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$arr['user']['profile_url'] = $profile->profileurl;
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return $arr;
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}
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// Push this up to Plugin
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function log($level, $msg)
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{
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common_log($level, get_class($this) . ': '.$msg);
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}
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}
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