9.5/_frontend_restriction_container_8php_source.html

<?php

declare(strict_types = 1);

namespace ‪TYPO3\CMS\Core\Database\Query\Restriction;


/*

 * 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\Context\Context;

use ‪TYPO3\CMS\Core\Context\VisibilityAspect;

use ‪TYPO3\CMS\Core\Database\Query\Expression\CompositeExpression;

use ‪TYPO3\CMS\Core\Database\Query\Expression\ExpressionBuilder;

use ‪TYPO3\CMS\Core\Utility\GeneralUtility;


class ‪FrontendRestrictionContainer extends ‪AbstractRestrictionContainer

{

    protected ‪$defaultRestrictionTypes = [

        DeletedRestriction::class,

        FrontendWorkspaceRestriction::class,

        HiddenRestriction::class,

        StartTimeRestriction::class,

        EndTimeRestriction::class,

        FrontendGroupRestriction::class,

    ];


    protected ‪$context;


    public function ‪__construct(‪Context ‪$context = null)

    {

        $this->context = ‪$context ?? GeneralUtility::makeInstance(Context::class);

        foreach ($this->defaultRestrictionTypes as $restrictionType) {

            $this->‪add($this->‪createRestriction($restrictionType));

        }

    }


    public function ‪buildExpression(array $queriedTables, ‪ExpressionBuilder $expressionBuilder): ‪CompositeExpression

    {

        $constraints = [];

        foreach ($this->restrictions as $restriction) {

            foreach ($queriedTables as $tableAlias => $tableName) {

                $disableRestriction = false;

                if ($restriction instanceof ‪HiddenRestriction) {

                    $visibilityAspect = $this->context->getAspect('visibility');

                    // If display of hidden records is requested, we must disable the hidden restriction.

                    if ($tableName === 'pages') {

                        $disableRestriction = $visibilityAspect->includeHiddenPages();

                    } else {

                        $disableRestriction = $visibilityAspect->includeHiddenContent();

                    }

                }

                if (!$disableRestriction) {

                    $constraints[] = $restriction->buildExpression([$tableAlias => $tableName], $expressionBuilder);

                }

            }

        }

        return $expressionBuilder->‪andX(...$constraints);

    }

}