forked from GNUsocial/gnu-social
97a8bae4a9
For those pages where threading is important, we now have an extra filtering stream class to skip stuff in conversations that have "already" been seen.
71 lines
2.2 KiB
PHP
71 lines
2.2 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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* Notice stream that's good for threading lists
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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 Notice stream
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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('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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/**
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* This notice stream filters notices by whether their conversation
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* has been seen before. It's a good (well, OK) way to get streams
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* for a ThreadedNoticeList display.
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*
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* @category Notice stream
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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 ThreadingNoticeStream extends FilteringNoticeStream
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{
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protected $seen = array();
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function getNotices($offset, $limit, $sinceId=null, $maxId=null)
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{
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// Clear this each time we're called
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$this->seen = array();
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return parent::getNotices($offset, $limit, $sinceId, $maxId);
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}
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function filter($notice)
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{
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if (!array_key_exists($notice->id, $this->seen)) {
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$this->seen[$notice->id] = true;
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return true;
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} else {
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return false;
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}
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}
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}
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