LimitToTablesRestrictionContainer.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\Database\Query\Restriction;
 
use ‪TYPO3\CMS\Core\Database\Query\Expression\CompositeExpression;
use ‪TYPO3\CMS\Core\Database\Query\Expression\ExpressionBuilder;
 
class ‪LimitToTablesRestrictionContainer implements ‪QueryRestrictionContainerInterface
{
    private ‪$restrictions = [];
 
    private ‪$restrictionContainer = [];
 
    private ‪$applicableTableAliases;
 
    public function ‪removeAll(): ‪QueryRestrictionContainerInterface
    {
        $this->applicableTableAliases = $this->restrictions = $this->restrictionContainer = [];
        return $this;
    }
 
    public function ‪removeByType(string $restrictionType): ‪QueryRestrictionContainerInterface
    {
        unset($this->applicableTableAliases[$restrictionType], $this->restrictions[$restrictionType]);
        foreach ($this->restrictionContainer as ‪$restrictionContainer) {
            ‪$restrictionContainer->‪removeByType($restrictionType);
        }
        return $this;
    }
 
    public function ‪add(‪QueryRestrictionInterface $restriction): ‪QueryRestrictionContainerInterface
    {
        $this->restrictions[get_class($restriction)] = $restriction;
        if ($restriction instanceof ‪QueryRestrictionContainerInterface) {
            $this->restrictionContainer[get_class($restriction)] = $restriction;
        }
        return $this;
    }
 
    public function ‪addForTables(QueryRestrictionInterface $restriction, array $tableAliases): QueryRestrictionContainerInterface
    {
        $this->applicableTableAliases[get_class($restriction)] = $tableAliases;
        return $this->‪add($restriction);
    }
 
    public function ‪buildExpression(array $queriedTables, ExpressionBuilder $expressionBuilder): CompositeExpression
    {
        $constraints = [];
        foreach ($this->restrictions as $name => $restriction) {
            $constraints[] = $restriction->buildExpression(
                $this->‪filterApplicableTableAliases($queriedTables, $name),
                $expressionBuilder
            );
        }
        return $expressionBuilder->and(...$constraints);
    }
 
    private function ‪filterApplicableTableAliases(array $queriedTables, string $name): array
    {
        if (!isset($this->applicableTableAliases[$name])) {
            return $queriedTables;
        }
 
        $filteredTables = [];
        foreach ($this->applicableTableAliases[$name] as $tableAlias) {
            if (isset($queriedTables[$tableAlias])) {
                $filteredTables[$tableAlias] = $queriedTables[$tableAlias];
            }
        }
 
        return $filteredTables;
    }
}