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- <?php
- /**
- * StatusNet - the distributed open-source microblogging tool
- * Copyright (C) 2011, StatusNet, Inc.
- *
- * Stream of notices with a given tag
- *
- * PHP version 5
- *
- * 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 Stream
- * @package StatusNet
- * @author Evan Prodromou <evan@status.net>
- * @copyright 2011 StatusNet, Inc.
- * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
- * @link http://status.net/
- */
- if (!defined('GNUSOCIAL')) { exit(1); }
- /**
- * Stream of notices with a given tag
- *
- * @category Stream
- * @package StatusNet
- * @author Evan Prodromou <evan@status.net>
- * @copyright 2011 StatusNet, Inc.
- * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
- * @link http://status.net/
- */
- class TagNoticeStream extends ScopingNoticeStream
- {
- function __construct($tag, Profile $scoped=null)
- {
- parent::__construct(new CachingNoticeStream(new RawTagNoticeStream($tag),
- 'notice_tag:notice_ids:' . Cache::keyize($tag)),
- $scoped);
- }
- }
- /**
- * Raw stream of notices with a given tag
- *
- * @category Stream
- * @package StatusNet
- * @author Evan Prodromou <evan@status.net>
- * @copyright 2011 StatusNet, Inc.
- * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
- * @link http://status.net/
- */
- class RawTagNoticeStream extends NoticeStream
- {
- protected $tag;
- function __construct($tag)
- {
- $this->tag = $tag;
- }
- function getNoticeIds($offset, $limit, $since_id, $max_id)
- {
- $nt = new Notice_tag();
- $nt->tag = $this->tag;
- $nt->selectAdd();
- $nt->selectAdd('notice_id');
- Notice::addWhereSinceId($nt, $since_id, 'notice_id');
- Notice::addWhereMaxId($nt, $max_id, 'notice_id');
- if (!empty($this->selectVerbs)) {
- $nt->joinAdd(array('notice_id', 'notice:id'));
- $filter = array_keys(array_filter($this->selectVerbs));
- if (!empty($filter)) {
- // include verbs in selectVerbs with values that equate to true
- $nt->whereAddIn('notice.verb', $filter, 'string');
- }
- $filter = array_keys(array_filter($this->selectVerbs, function ($v) { return !$v; }));
- if (!empty($filter)) {
- // exclude verbs in selectVerbs with values that equate to false
- $nt->whereAddIn('!notice.verb', $filter, 'string');
- }
- }
- $nt->orderBy('notice.created DESC, notice_id DESC');
- if (!is_null($offset)) {
- $nt->limit($offset, $limit);
- }
- $ids = array();
- if ($nt->find()) {
- while ($nt->fetch()) {
- $ids[] = $nt->notice_id;
- }
- }
- return $ids;
- }
- }
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