social/lib/Db/SocialCoreQueryBuilder.php

109 wiersze
2.6 KiB
PHP

<?php
declare(strict_types=1);
/**
* Nextcloud - Social Support
*
* This file is licensed under the Affero General Public License version 3 or
* later. See the COPYING file.
*
* @author Maxence Lange <maxence@artificial-owl.com>
* @copyright 2018, Maxence Lange <maxence@artificial-owl.com>
* @license GNU AGPL version 3 or any later version
*
* 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/>.
*
*/
namespace OCA\Social\Db;
use daita\MySmallPhpTools\Db\ExtendedQueryBuilder;
use OC\SystemConfig;
use OCA\Social\Model\ActivityPub\Actor\Person;
use OCP\DB\QueryBuilder\ICompositeExpression;
use OCP\IDBConnection;
use OCP\IURLGenerator;
use Psr\Log\LoggerInterface;
/**
* Class SocialCoreQueryBuilder
*
* @package OCA\Social\Db
*/
class SocialCoreQueryBuilder extends ExtendedQueryBuilder {
protected IURLGenerator $urlGenerator;
private ?Person $viewer = null;
private int $chunk = 0;
public function __construct(
IDBConnection $connection, SystemConfig $systemConfig, LoggerInterface $logger, IURLGenerator $urlGenerator
) {
parent::__construct($connection, $systemConfig, $logger);
$this->urlGenerator = $urlGenerator;
}
public function setChunk(int $chunk): self {
$this->chunk = $chunk;
$this->inChunk();
return $this;
}
public function getChunk(): int {
return $this->chunk;
}
/**
* Limit the request to a chunk
*/
public function inChunk(string $alias = '', ?ICompositeExpression $expr = null): void {
if ($this->getChunk() === 0) {
return;
}
if ($expr !== null) {
$expr->add($this->exprLimitToDBFieldInt('chunk', $this->getChunk(), $alias));
return;
}
$this->limitToDBFieldInt('chunk', $this->getChunk(), $alias);
}
public function hasViewer(): bool {
return ($this->viewer !== null);
}
public function setViewer(Person $viewer): void {
$this->viewer = $viewer;
}
public function getViewer(): Person {
return $this->viewer;
}
public function prim(string $id): string {
if ($id === '') {
return '';
}
return hash('sha512', $id);
}
}