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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\Database\Query\Restriction;
use TYPO3\CMS\Core\Database\Query\Expression\CompositeExpression;
use TYPO3\CMS\Core\Database\Query\Expression\ExpressionBuilder;
/**
* Restriction to respect the soft-delete functionality of TYPO3.
* Filters out records, that were marked as deleted.
*/
class DeletedRestriction implements QueryRestrictionInterface
{
/**
* Main method to build expressions for given tables
* Evaluates the ctrl/delete flag of the table and adds the according restriction if set
*
* @param array $queriedTables Array of tables, where array key is table alias and value is a table name
* @param ExpressionBuilder $expressionBuilder Expression builder instance to add restrictions with
* @return CompositeExpression The result of query builder expression(s)
*/
public function buildExpression(array $queriedTables, ExpressionBuilder $expressionBuilder): CompositeExpression
{
$constraints = [];
foreach ($queriedTables as $tableAlias => $tableName) {
$deletedFieldName = $GLOBALS['TCA'][$tableName]['ctrl']['delete'] ?? null;
if (!empty($deletedFieldName)) {
$constraints[] = $expressionBuilder->eq(
$tableAlias . '.' . $deletedFieldName,
0
);
}
}
return $expressionBuilder->and(...$constraints);
}
}