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('GNUSOCIAL')) { exit(1); }
34 * Stream of notices with a given tag
38 * @author Evan Prodromou <evan@status.net>
39 * @copyright 2011 StatusNet, Inc.
40 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
41 * @link http://status.net/
44 class TagNoticeStream extends ScopingNoticeStream
46 function __construct($tag, $profile = -1)
48 if (is_int($profile) && $profile == -1) {
49 $profile = Profile::current();
51 parent::__construct(new CachingNoticeStream(new RawTagNoticeStream($tag),
52 'notice_tag:notice_ids:' . Cache::keyize($tag)));
57 * Raw stream of notices with a given tag
61 * @author Evan Prodromou <evan@status.net>
62 * @copyright 2011 StatusNet, Inc.
63 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
64 * @link http://status.net/
67 class RawTagNoticeStream extends NoticeStream
71 function __construct($tag)
76 function getNoticeIds($offset, $limit, $since_id, $max_id)
78 $nt = new Notice_tag();
80 $nt->tag = $this->tag;
83 $nt->selectAdd('notice_id');
85 Notice::addWhereSinceId($nt, $since_id, 'notice_id');
86 Notice::addWhereMaxId($nt, $max_id, 'notice_id');
88 if (!empty($this->selectVerbs)) {
89 $nt->joinAdd(array('notice_id', 'notice:id'));
91 $filter = array_keys(array_filter($this->selectVerbs));
92 if (!empty($filter)) {
93 // include verbs in selectVerbs with values that equate to true
94 $nt->whereAddIn('notice.verb', $filter, 'string');
97 $filter = array_keys(array_filter($this->selectVerbs, function ($v) { return !$v; }));
98 if (!empty($filter)) {
99 // exclude verbs in selectVerbs with values that equate to false
100 $nt->whereAddIn('!notice.verb', $filter, 'string');
104 $nt->orderBy('notice.created DESC, notice_id DESC');
106 if (!is_null($offset)) {
107 $nt->limit($offset, $limit);
113 while ($nt->fetch()) {
114 $ids[] = $nt->notice_id;