9.5/_persistence_delegate_8php_source.html

<?php

declare(strict_types = 1);


namespace ‪TYPO3\CMS\Core\Routing\Aspect;


/*

 * 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!

 */


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);

    }

}