3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2011, StatusNet, Inc.
6 * Stream of notices with a given tag
10 * This program is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU Affero General Public License as published by
12 * the Free Software Foundation, either version 3 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU Affero General Public License for more details.
20 * You should have received a copy of the GNU Affero General Public License
21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 * @author Evan Prodromou <evan@status.net>
26 * @copyright 2011 StatusNet, Inc.
27 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
28 * @link http://status.net/
31 if (!defined('STATUSNET')) {
32 // This check helps protect against security problems;
33 // your code file can't be executed directly from the web.
38 * Stream of notices with a given tag
42 * @author Evan Prodromou <evan@status.net>
43 * @copyright 2011 StatusNet, Inc.
44 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
45 * @link http://status.net/
48 class TagNoticeStream extends ScopingNoticeStream
50 function __construct($tag, $profile = -1)
52 if (is_int($profile) && $profile == -1) {
53 $profile = Profile::current();
55 parent::__construct(new CachingNoticeStream(new RawTagNoticeStream($tag),
56 'notice_tag:notice_ids:' . Cache::keyize($tag)));
61 * Raw stream of notices with a given tag
65 * @author Evan Prodromou <evan@status.net>
66 * @copyright 2011 StatusNet, Inc.
67 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
68 * @link http://status.net/
71 class RawTagNoticeStream extends NoticeStream
75 function __construct($tag)
80 function getNoticeIds($offset, $limit, $since_id, $max_id)
82 $nt = new Notice_tag();
84 $nt->tag = $this->tag;
87 $nt->selectAdd('notice_id');
89 Notice::addWhereSinceId($nt, $since_id, 'notice_id');
90 Notice::addWhereMaxId($nt, $max_id, 'notice_id');
92 $nt->orderBy('created DESC, notice_id DESC');
94 if (!is_null($offset)) {
95 $nt->limit($offset, $limit);
101 while ($nt->fetch()) {
102 $ids[] = $nt->notice_id;