gnu-social/lib/inboxnoticestream.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
*
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* Stream of notices for a profile's "all" feed
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*
* 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/>.
*
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* @category NoticeStream
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
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* @author Mikael Nordfeldth <mmn@hethane.se>
* @author Alexei Sorokin <sor.alexei@meowr.ru>
* @copyright 2011 StatusNet, Inc.
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* @copyright 2014 Free Software Foundation, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('GNUSOCIAL')) {
exit(1);
}
/**
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* Stream of notices for a profile's "all" feed
*
* @category General
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
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* @author Mikael Nordfeldth <mmn@hethane.se>
* @author Alexei Sorokin <sor.alexei@meowr.ru>
* @author chimo <chimo@chromic.org>
* @copyright 2011 StatusNet, Inc.
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* @copyright 2014 Free Software Foundation, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class InboxNoticeStream extends ScopingNoticeStream
{
/**
* Constructor
*
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* @param Profile $target Profile to get a stream for
* @param Profile $scoped Currently scoped profile (if null, it is fetched)
*/
public function __construct(Profile $target, Profile $scoped = null)
{
parent::__construct(new CachingNoticeStream(new RawInboxNoticeStream($target), 'profileall:'.$target->getID()), $scoped);
}
}
/**
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* Raw stream of notices for the target's inbox
*
* @category General
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Mikael Nordfeldth <mmn@hethane.se>
* @author Alexei Sorokin <sor.alexei@meowr.ru>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
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class RawInboxNoticeStream extends FullNoticeStream
{
protected $target = null;
protected $inbox = null;
/**
* Constructor
*
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* @param Profile $target Profile to get a stream for
*/
public function __construct(Profile $target)
{
parent::__construct();
$this->target = $target;
}
/**
* Get IDs in a range
*
* @param int $offset Offset from start
* @param int $limit Limit of number to get
* @param int $since_id Since this notice
* @param int $max_id Before this notice
*
* @return array IDs found
*/
public function getNoticeIds($offset, $limit, $since_id = null, $max_id = null)
{
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$notice = new Notice();
$notice->selectAdd();
$notice->selectAdd('id');
$notice->whereAdd(sprintf('notice.created > "%s"', $notice->escape($this->target->created)));
// Reply:: is a table of mentions
// Subscription:: is a table of subscriptions (every user is subscribed to themselves)
$notice->_join .= sprintf(
"\n" . <<<'END'
LEFT JOIN (
SELECT id FROM notice
WHERE profile_id
IN (SELECT subscribed FROM subscription WHERE subscriber = %1$d)
UNION ALL
SELECT notice_id AS id FROM reply WHERE profile_id = %1$d
UNION ALL
SELECT notice_id AS id FROM attention WHERE profile_id = %1$d
UNION ALL
SELECT notice_id AS id FROM group_inbox INNER JOIN group_member USING (group_id)
WHERE group_member.profile_id = %1$d
) AS t1 USING (id)
END,
$this->target->getID()
);
$notice->whereAdd('t1.id IS NOT NULL');
if (!empty($since_id)) {
$notice->whereAdd(sprintf('notice.id > %d', $since_id));
}
if (!empty($max_id)) {
$notice->whereAdd(sprintf('notice.id <= %d', $max_id));
}
self::filterVerbs($notice, $this->selectVerbs);
// notice.id will give us even really old posts, which were recently
// imported. For example if a remote instance had problems and just
// managed to post here.
$notice->orderBy('id DESC');
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$notice->limit($offset, $limit);
if (!$notice->find()) {
return [];
}
return $notice->fetchAll('id');
}
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}