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<?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 OCA\Social\Model\ActivityPub\Actor\Person;
use OCP\DB\QueryBuilder\ICompositeExpression;
/**
* Class SocialCoreQueryBuilder
*
* @package OCA\Social\Db
*/
class SocialCoreQueryBuilder extends ExtendedQueryBuilder {
/** @var Person */
private $viewer = null;
/** @var int */
private $chunk = 0;
/**
* @param int $chunk
*
* @return $this
*/
public function setChunk(int $chunk): self {
$this->chunk = $chunk;
$this->inChunk();
return $this;
}
/**
* @return int
*/
public function getChunk(): int {
return $this->chunk;
}
/**
* Limit the request to a chunk
*
* @param string $alias
* @param ICompositeExpression|null $expr
*/
public function inChunk(string $alias = '', ICompositeExpression $expr = null) {
if ($this->getChunk() === 0) {
return;
}
if ($expr !== null) {
$expr->add($this->exprLimitToDBFieldInt('chunk', $this->getChunk(), $alias));
return;
}
$this->limitToDBFieldInt('chunk', $this->getChunk(), $alias);
}
/**
* @return bool
*/
public function hasViewer(): bool {
return ($this->viewer !== null);
}
/**
* @param Person $viewer
*/
public function setViewer(Person $viewer): void {
$this->viewer = $viewer;
}
/**
* @return Person
*/
public function getViewer(): Person {
return $this->viewer;
}
/**
* @param string $id
*
* @return string
*/
public function prim(string $id): string {
if ($id === '') {
return '';
}
return hash('sha512', $id);
}
}
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