FrontendWorkspaceRestriction.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\Context\Context;
use ‪TYPO3\CMS\Core\Database\Query\Expression\CompositeExpression;
use ‪TYPO3\CMS\Core\Database\Query\Expression\ExpressionBuilder;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Core\Versioning\VersionState;
 
class ‪FrontendWorkspaceRestriction implements ‪QueryRestrictionInterface
{
    protected ‪$workspaceId;
 
    protected ‪$includeRowsForWorkspacePreview;
 
    protected ‪$enforceLiveRowsOnly;
 
    public function ‪__construct(int ‪$workspaceId = null, bool ‪$includeRowsForWorkspacePreview = null, bool ‪$enforceLiveRowsOnly = true)
    {
        $globalWorkspaceId = GeneralUtility::makeInstance(Context::class)->getPropertyFromAspect('workspace', 'id');
        $this->workspaceId = ‪$workspaceId ?? $globalWorkspaceId;
        $this->includeRowsForWorkspacePreview = ‪$includeRowsForWorkspacePreview ?? $globalWorkspaceId > 0;
        $this->enforceLiveRowsOnly = ‪$enforceLiveRowsOnly;
    }
 
    public function ‪buildExpression(array $queriedTables, ‪ExpressionBuilder $expressionBuilder): ‪CompositeExpression
    {
        $constraints = [];
        foreach ($queriedTables as $tableAlias => $tableName) {
            $workspaceEnabled = ‪$GLOBALS['TCA'][$tableName]['ctrl']['versioningWS'] ?? null;
            if (!empty($workspaceEnabled)) {
                if (!$this->includeRowsForWorkspacePreview) {
                    // Filter out placeholder records (new/moved/deleted items)
                    // in case we are NOT in a versioning preview (That means we are online!)
                    $constraints[] = $expressionBuilder->‪lte(
                        $tableAlias . '.t3ver_state',
                        // Trigger __toString(), then cast int
                        (int)(string)new ‪VersionState(‪VersionState::DEFAULT_STATE)
                    );
                } elseif ($tableName !== 'pages') {
                    // Show only records of the live and current workspace in case we are in a versioning preview
                    $constraints[] = $expressionBuilder->‪orX(
                        $expressionBuilder->‪eq($tableAlias . '.t3ver_wsid', 0),
                        $expressionBuilder->‪eq($tableAlias . '.t3ver_wsid', (int)$this->workspaceId)
                    );
                }
                // Filter out versioned records
                if ($this->enforceLiveRowsOnly) {
                    $constraints[] = $expressionBuilder->‪eq($tableAlias . '.t3ver_oid', 0);
                }
            }
        }
        return $expressionBuilder->‪andX(...$constraints);
    }
}