<?php /** * StatusNet, the distributed open-source microblogging tool * * List of popular notices * * 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 Public * @package StatusNet * @author Zach Copley <zach@status.net> * @author Evan Prodromou <evan@status.net> * @copyright 2008-2009 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') && !defined('LACONICA')) { exit(1); } class FavoritedSliceAction extends FavoritedAction { private $includeUsers = array(), $excludeUsers = array(); /** * Take arguments for running * * @param array $args $_REQUEST args * * @return boolean success flag * * @todo move queries from showContent() to here */ function prepare($args) { parent::prepare($args); $this->slice = $this->arg('slice', 'default'); $data = array(); if (Event::handle('SlicedFavoritesGetSettings', array($this->slice, &$data))) { // TRANS: Client exception. throw new ClientException(_m('Unknown favorites slice.')); } if (isset($data['include'])) { $this->includeUsers = $data['include']; } if (isset($data['exclude'])) { $this->excludeUsers = $data['exclude']; } return true; } /** * Content area * * Shows the list of popular notices * * @return void */ function showContent() { $slice = $this->sliceWhereClause(); if (!$slice) { return parent::showContent(); } $weightexpr = common_sql_weight('fave.modified', common_config('popular', 'dropoff')); $cutoff = sprintf("fave.modified > '%s'", common_sql_date(time() - common_config('popular', 'cutoff'))); $qry = 'SELECT notice.*, '. $weightexpr . ' as weight ' . 'FROM notice JOIN fave ON notice.id = fave.notice_id ' . "WHERE $cutoff AND $slice " . 'GROUP BY id,profile_id,uri,content,rendered,url,created,notice.modified,reply_to,is_local,source,notice.conversation ' . 'ORDER BY weight DESC'; $offset = ($this->page - 1) * NOTICES_PER_PAGE; $limit = NOTICES_PER_PAGE + 1; if (common_config('db', 'type') == 'pgsql') { $qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset; } else { $qry .= ' LIMIT ' . $offset . ', ' . $limit; } $notice = Memcached_DataObject::cachedQuery('Notice', $qry, 600); $nl = new NoticeList($notice, $this); $cnt = $nl->show(); if ($cnt == 0) { $this->showEmptyList(); } $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE, $this->page, 'favorited'); } private function sliceWhereClause() { $include = $this->nicknamesToIds($this->includeUsers); $exclude = $this->nicknamesToIds($this->excludeUsers); if (count($include) == 1) { return "profile_id = " . intval($include[0]); } else if (count($include) > 1) { return "profile_id IN (" . implode(',', $include) . ")"; } else if (count($exclude) == 1) { return "profile_id != " . intval($exclude[0]); } else if (count($exclude) > 1) { return "profile_id NOT IN (" . implode(',', $exclude) . ")"; } else { return false; } } /** * * @param array $nicks array of user nicknames * @return array of profile/user IDs */ private function nicknamesToIds($nicks) { $ids = array(); foreach ($nicks as $nick) { // not the most efficient way for a big list! $user = User::staticGet('nickname', $nick); if ($user) { $ids[] = intval($user->id); } } return $ids; } }