3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2011, StatusNet, Inc.
6 * Stream of notices that reference an URL
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.
37 class FileNoticeStream extends ScopingNoticeStream
39 function __construct($file, $profile = -1)
41 if (is_int($profile) && $profile == -1) {
42 $profile = Profile::current();
44 parent::__construct(new CachingNoticeStream(new RawFileNoticeStream($file),
45 'file:notice-ids:'.$file->id),
51 * Raw stream for a file
55 * @author Evan Prodromou <evan@status.net>
56 * @copyright 2011 StatusNet, Inc.
57 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
58 * @link http://status.net/
61 class RawFileNoticeStream extends NoticeStream
63 protected $file = null;
65 function __construct($file)
71 * Stream of notices linking to this URL
73 * @param integer $offset Offset to show; default is 0
74 * @param integer $limit Limit of notices to show
75 * @param integer $since_id Since this notice
76 * @param integer $max_id Before this notice
78 * @return array ids of notices that link to this file
80 function getNoticeIds($offset, $limit, $since_id, $max_id)
82 $f2p = new File_to_post();
85 $f2p->selectAdd('post_id');
87 $f2p->file_id = $this->file->id;
89 Notice::addWhereSinceId($f2p, $since_id, 'post_id', 'modified');
90 Notice::addWhereMaxId($f2p, $max_id, 'post_id', 'modified');
92 $f2p->orderBy('modified DESC, post_id DESC');
94 if (!is_null($offset)) {
95 $f2p->limit($offset, $limit);
101 while ($f2p->fetch()) {
102 $ids[] = $f2p->post_id;