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<?php
/**
 * StatusNet, the distributed open-source microblogging tool
 *
 * Plugin to support RSSCloud
 *
 * PHP version 5
 *
 * LICENCE: 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
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
   *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @category  Plugin
 * @package   StatusNet
 * @author    Zach Copley <zach@status.net>
 * @copyright 2009 StatusNet, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
 * @link      http://status.net/
 */

if (!defined('STATUSNET')) {
    exit(1);
}

define('RSSCLOUDPLUGIN_VERSION', '0.1');

class RSSCloudPlugin extends Plugin
{
    function __construct()
    {
        parent::__construct();
    }

    function onInitializePlugin()
    {
        $this->domain   = common_config('rsscloud', 'domain');
        $this->port     = common_config('rsscloud', 'port');
        $this->path     = common_config('rsscloud', 'path');
        $this->funct    = common_config('rsscloud', 'function');
        $this->protocol = common_config('rsscloud', 'protocol');

        // set defaults

        $local_server = parse_url(common_path('rsscloud/request_notify'));

        if (empty($this->domain)) {
            $this->domain = $local_server['host'];
        }

        if (empty($this->port)) {
            $this->port = '80';
        }

        if (empty($this->path)) {
            $this->path = '/rsscloud/request_notify';
        }

        if (empty($this->funct)) {
            $this->funct = '';
        }

        if (empty($this->protocol)) {
            $this->protocol = 'http-post';
        }
    }

    /**
     * Add RSSCloud-related paths to the router table
     *
     * Hook for RouterInitialized event.
     *
     * @return boolean hook return
     */

    function onRouterInitialized(&$m)
    {
        $m->connect('rsscloud/request_notify', array('action' => 'RSSCloudRequestNotify'));

        // XXX: This is just for end-to-end testing
        $m->connect('rsscloud/notify', array('action' => 'LoggingAggregator'));

        return true;
    }

    function onAutoload($cls)
    {
        switch ($cls)
        {

         case 'RSSCloudNotifier':
            require_once(INSTALLDIR . '/plugins/RSSCloud/RSSCloudNotifier.php');
            return false;
         case 'RSSCloudRequestNotifyAction':
         case 'LoggingAggregatorAction':
            common_debug(mb_substr($cls, 0, -6) . '.php');
            require_once(INSTALLDIR . '/plugins/RSSCloud/' . mb_substr($cls, 0, -6) . '.php');
            return false;
         default:
            return true;
        }
    }

    function onStartApiRss($action){

        // XXX: we want to only cloud enable the user_timeline so we need
        // to be even more specific than this... FIXME

        if (get_class($action) == 'TwitapistatusesAction') {

            $attrs = array('domain'            => $this->domain,
                           'port'              => $this->port,
                           'path'              => $this->path,
                           'registerProcedure' => $this->funct,
                           'protocol'          => $this->protocol);

            // Dipping into XMLWriter to avoid a full end element (</cloud>).

            $action->xw->startElement('cloud');
            foreach ($attrs as $name => $value) {
                $action->xw->writeAttribute($name, $value);
            }
            $action->xw->endElement();

        }
    }

    function onEndNoticeSave($notice){

        common_debug("RSSCloudPlugin oneEndNoticeSave()");

        $user = User::staticGet('id', $notice->profile_id);
        $feed  = common_local_url('api', array('apiaction' => 'statuses',
                                              'method'    => 'user_timeline',
                                              'argument'  => $user->nickname . '.rss'));

        // XXX: Dave's hub for testing
        // $endpoint = 'http://rpc.rsscloud.org:5337/rsscloud/ping';

        // $notifier = new RSSCloudNotifier();
        // $notifier->postUpdate($endpoint, $feed);
    }

}