PersistedAliasMapperLegacyTrait.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\Legacy;
 
use ‪TYPO3\CMS\Core\Database\ConnectionPool;
use ‪TYPO3\CMS\Core\Database\Query\QueryBuilder;
use ‪TYPO3\CMS\Core\Routing\Aspect\PersistenceDelegate;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
trait ‪PersistedAliasMapperLegacyTrait
{
    protected $persistenceDelegate;
 
    protected function getPersistenceDelegate(): ‪PersistenceDelegate
    {
        if ($this->persistenceDelegate !== null) {
            return $this->persistenceDelegate;
        }
        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
            ->getQueryBuilderForTable($this->tableName)
            ->from($this->tableName);
        // @todo Restrictions (Hidden? Workspace?)
 
        $resolveModifier = function (‪QueryBuilder $queryBuilder, array $values) {
            return $queryBuilder->‪select(...$this->persistenceFieldNames)->‪where(
                ...$this->createFieldConstraints($queryBuilder, $values)
            );
        };
        $generateModifier = function (‪QueryBuilder $queryBuilder, array $values) {
            return $queryBuilder->‪select(...$this->persistenceFieldNames)->‪where(
                ...$this->createFieldConstraints($queryBuilder, $values)
            );
        };
 
        return $this->persistenceDelegate = new ‪PersistenceDelegate(
            $queryBuilder,
            $resolveModifier,
            $generateModifier
        );
    }
 
    protected function createFieldConstraints(‪QueryBuilder $queryBuilder, array $values): array
    {
        $constraints = [];
        foreach ($values as $fieldName => $fieldValue) {
            $constraints[] = $queryBuilder->‪expr()->‪eq(
                $fieldName,
                $queryBuilder->‪createNamedParameter(
                    $fieldValue,
                    \PDO::PARAM_STR
                )
            );
        }
        return $constraints;
    }
}