PersistedPatternMapperLegacyTrait.php

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<?php
declare(strict_types = 1);
 
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 ‪PersistedPatternMapperLegacyTrait
{
    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 $queryBuilder->‪select('*')->‪where(
                ...$this->createFieldConstraints($queryBuilder, $values, true)
            );
        };
        $generateModifier = function (‪QueryBuilder $queryBuilder, array $values) {
            return $queryBuilder->‪select('*')->‪where(
                ...$this->createFieldConstraints($queryBuilder, $values)
            );
        };
 
        return $this->persistenceDelegate = new ‪PersistenceDelegate(
            $queryBuilder,
            $resolveModifier,
            $generateModifier
        );
    }
 
    protected function createFieldConstraints(
        ‪QueryBuilder $queryBuilder,
        array $values,
        bool $resolveExpansion = false
    ): array {
        $languageExpansion = $this->languageParentFieldName
            && $resolveExpansion
            && isset($values['uid']);
 
        $constraints = [];
        foreach ($values as $fieldName => $fieldValue) {
            if ($languageExpansion && $fieldName === 'uid') {
                continue;
            }
            $constraints[] = $queryBuilder->‪expr()->‪eq(
                $fieldName,
                $queryBuilder->‪createNamedParameter(
                    $fieldValue,
                    \PDO::PARAM_STR
                )
            );
        }
        // If requested, either match uid or language parent field value
        if ($languageExpansion) {
            $idParameter = $queryBuilder->‪createNamedParameter(
                $values['uid'],
                \PDO::PARAM_INT
            );
            $constraints[] = $queryBuilder->‪expr()->‪orX(
                $queryBuilder->‪expr()->‪eq('uid', $idParameter),
                $queryBuilder->‪expr()->‪eq($this->languageParentFieldName, $idParameter)
            );
        }
 
        return $constraints;
    }
}