67 lines
2.1 KiB
PHP
67 lines
2.1 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('GNUSOCIAL')) { exit(1); }
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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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protected function filter(Notice $notice)
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{
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if (!array_key_exists($notice->conversation, $this->seen)) {
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$this->seen[$notice->conversation] = 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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