<?php /** * StatusNet - the distributed open-source microblogging tool * Copyright (C) 2011, StatusNet, Inc. * * Stream of notices sorted by popularity * * PHP version 5 * * 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 Popular * @package StatusNet * @author Evan Prodromou <evan@status.net> * @copyright 2011 StatusNet, Inc. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0 * @link http://status.net/ */ if (!defined('GNUSOCIAL')) { exit(1); } /** * Stream of notices sorted by popularity * * @category Popular * @package StatusNet * @author Evan Prodromou <evan@status.net> * @copyright 2011 StatusNet, Inc. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0 * @link http://status.net/ */ class PopularNoticeStream extends ScopingNoticeStream { function __construct(Profile $scoped=null) { parent::__construct(new CachingNoticeStream(new RawPopularNoticeStream(), 'popular', false), $scoped); } } class RawPopularNoticeStream extends NoticeStream { function getNoticeIds($offset, $limit, $since_id, $max_id) { $weightexpr = common_sql_weight('modified', common_config('popular', 'dropoff')); $cutoff = sprintf("modified > '%s'", common_sql_date(time() - common_config('popular', 'cutoff'))); $fave = new Fave(); $fave->selectAdd(); $fave->selectAdd('notice_id'); $fave->selectAdd("$weightexpr as weight"); $fave->whereAdd($cutoff); $fave->orderBy('weight DESC'); $fave->groupBy('notice_id'); if (!is_null($offset)) { $fave->limit($offset, $limit); } // FIXME: $since_id, $max_id are ignored $ids = array(); if ($fave->find()) { while ($fave->fetch()) { $ids[] = $fave->notice_id; } } return $ids; } }