gnu-social/lib/conversationnoticestream.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
*
* Notice stream for a conversation
*
* 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 NoticeStream
* @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('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Notice stream for a conversation
*
* @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 ConversationNoticeStream extends ScopingNoticeStream
{
function __construct($id, $profile = -1)
{
if (is_int($profile) && $profile == -1) {
$profile = Profile::current();
}
parent::__construct(new RawConversationNoticeStream($id),
$profile);
}
}
/**
* Notice stream for a conversation
*
* @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 RawConversationNoticeStream extends NoticeStream
{
protected $id;
function __construct($id)
{
$this->id = $id;
}
function getNoticeIds($offset, $limit, $since_id, $max_id)
{
$conv = Conversation::getKV('id', $this->id);
if (!$conv instanceof Conversation) {
throw new ServerException('Could not find conversation');
}
$notice = new Notice();
// SELECT
$notice->selectAdd();
$notice->selectAdd('id');
// WHERE
$notice->conversation = $this->id;
if (!empty($since_id)) {
$notice->whereAdd(sprintf('notice.id > %d', $since_id));
}
if (!empty($max_id)) {
$notice->whereAdd(sprintf('notice.id <= %d', $max_id));
}
$notice->limit($offset, $limit);
// ORDER BY
// currently imitates the previously used "_reverseChron" sorting
$notice->orderBy('notice.created DESC');
return $notice->fetchAll('id');
}
}