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