PersistenceDelegate.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Core\Routing\Aspect;
 
use ‪TYPO3\CMS\Core\Database\Query\QueryBuilder;
 
class ‪PersistenceDelegate implements ‪DelegateInterface
{
    protected ‪$queryBuilder;
 
    protected ‪$resolveModifier;
 
    protected ‪$generateModifier;
 
    public function ‪__construct(‪QueryBuilder ‪$queryBuilder, \Closure ‪$resolveModifier, \Closure ‪$generateModifier)
    {
        $this->queryBuilder = ‪$queryBuilder;
        $this->resolveModifier = ‪$resolveModifier;
        $this->generateModifier = ‪$generateModifier;
    }
 
    public function ‪exists(array $values): bool
    {
        $this->‪applyValueModifier($this->resolveModifier, $values);
        return $this->queryBuilder
            ->count('*')
            ->execute()
            ->fetchColumn(0) > 0;
    }
 
    public function ‪resolve(array $values): ?array
    {
        $this->‪applyValueModifier($this->resolveModifier, $values);
        $result = $this->queryBuilder
            ->execute()
            ->fetch();
        return $result !== false ? $result : null;
    }
 
    public function ‪generate(array $values): ?array
    {
        $this->‪applyValueModifier($this->generateModifier, $values);
        $result = $this->queryBuilder
            ->execute()
            ->fetch();
        return $result !== false ? $result : null;
    }
 
    protected function ‪applyValueModifier(\Closure $modifier, array $values)
    {
        $modifier($this->queryBuilder, $values);
    }
}