forked from GNUsocial/gnu-social
84984fdbfe
Added filtering code so that notice streams check notice scope. Added new class to implement filtering a stream, FilteringNoticeStream. Added a subclass that does the logic for checking Notice scope. And made all the streams use ScopingNoticeStream.
106 lines
2.8 KiB
PHP
106 lines
2.8 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 with a given tag
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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 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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* Stream of notices with a given tag
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*
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* @category 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 TagNoticeStream extends ScopingNoticeStream
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{
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function __construct($tag)
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{
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parent::__construct(new CachingNoticeStream(new RawTagNoticeStream($tag),
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'notice_tag:notice_ids:' . Cache::keyize($tag)));
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}
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}
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/**
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* Raw stream of notices with a given tag
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*
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* @category 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 RawTagNoticeStream extends NoticeStream
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{
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protected $tag;
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function __construct($tag)
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{
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$this->tag = $tag;
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}
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function getNoticeIds($offset, $limit, $since_id, $max_id)
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{
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$nt = new Notice_tag();
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$nt->tag = $this->tag;
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$nt->selectAdd();
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$nt->selectAdd('notice_id');
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Notice::addWhereSinceId($nt, $since_id, 'notice_id');
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Notice::addWhereMaxId($nt, $max_id, 'notice_id');
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$nt->orderBy('created DESC, notice_id DESC');
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if (!is_null($offset)) {
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$nt->limit($offset, $limit);
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}
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$ids = array();
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if ($nt->find()) {
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while ($nt->fetch()) {
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$ids[] = $nt->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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