gnu-social/modules/Favorite/lib/favenoticestream.php
Alexei Sorokin a0f72fe5c6 Avoid ordering just by a timestamp
Try to also employ an id when possible.
Involves reworking some of the indices.
2021-07-16 19:44:41 +01:00

124 lines
3.6 KiB
PHP

<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social 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.
//
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
/**
* Notice stream for favorites
*
* @category Stream
* @package GNUsocial
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
defined('GNUSOCIAL') || die();
/**
* Notice stream for favorites
*
* @category Stream
* @package GNUsocial
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class FaveNoticeStream extends ScopingNoticeStream
{
public function __construct(Profile $target, Profile $scoped = null)
{
$stream = new RawFaveNoticeStream($target, $scoped);
if ($target->sameAs($scoped)) {
$key = 'fave:ids_by_user_own:'.$target->getID();
} else {
$key = 'fave:ids_by_user:'.$target->getID();
}
parent::__construct(new CachingNoticeStream($stream, $key), $scoped);
}
}
/**
* Raw notice stream for favorites
*
* @category Stream
* @package GNUsocial
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class RawFaveNoticeStream extends NoticeStream
{
protected $user_id;
protected $own;
protected $selectVerbs = array();
public function __construct(Profile $target, Profile $scoped = null)
{
parent::__construct();
$this->user_id = $target->getID();
$this->own = $target->sameAs($scoped);
}
/**
* Note that the sorting for this is by order of *fave* not order of *notice*.
*
* @fixme add since_id, max_id support?
*
* @param <type> $user_id
* @param <type> $own
* @param <type> $offset
* @param <type> $limit
* @param <type> $since_id
* @param <type> $max_id
* @return <type>
*/
public function getNoticeIds($offset, $limit, $since_id, $max_id)
{
$fave = new Fave();
$fave->selectAdd();
$fave->selectAdd('fave.*');
$fave->user_id = $this->user_id;
if (!$this->own) {
$fave->joinAdd(['notice_id', 'notice:id']);
$fave->whereAdd('notice.is_local <> ' . Notice::GATEWAY);
}
Notice::addWhereSinceId($fave, $since_id, 'notice_id', 'fave.modified');
Notice::addWhereMaxId($fave, $max_id, 'notice_id', 'fave.modified');
// NOTE: we sort by fave time, not by notice time!
$fave->orderBy('fave.modified DESC, notice_id DESC');
if (!is_null($offset)) {
$fave->limit($offset, $limit);
}
$ids = [];
if ($fave->find()) {
while ($fave->fetch()) {
$ids[] = $fave->notice_id;
}
}
$fave->free();
unset($fave);
return $ids;
}
}