FolderRestriction.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\Resource\Search\QueryRestrictions;
 
use ‪TYPO3\CMS\Core\Database\Query\Restriction\AbstractRestrictionContainer;
use ‪TYPO3\CMS\Core\Database\Query\Restriction\QueryRestrictionInterface;
use ‪TYPO3\CMS\Core\Resource\Folder;
 
class ‪FolderRestriction extends ‪AbstractRestrictionContainer
{
    private ‪$folder;
 
    private ‪$recursive;
 
    public function ‪__construct(‪Folder ‪$folder, bool ‪$recursive)
    {
        $this->folder = ‪$folder;
        $this->recursive = ‪$recursive;
        $this->‪populateRestrictions();
    }
 
    private function ‪populateRestrictions(): void
    {
        $storage = $this->folder->getStorage();
        $this->‪add(new ‪StorageRestriction($storage));
        if (!$this->recursive) {
            $this->‪add($this->‪createFolderRestriction());
            return;
        }
        if ($this->folder->getIdentifier() === $storage->getRootLevelFolder(false)->getIdentifier()) {
            return;
        }
        if ($storage->hasHierarchicalIdentifiers()) {
            $this->‪add($this->‪createHierarchicalFolderRestriction());
        } else {
            $this->‪add($this->‪createFolderRestriction());
        }
    }
 
    private function ‪createHierarchicalFolderRestriction(): ‪QueryRestrictionInterface
    {
        return $this->recursive ? new ‪FolderIdentifierRestriction($this->folder->getIdentifier()) : new ‪FolderHashesRestriction([$this->folder->getHashedIdentifier()]);
    }
 
    private function ‪createFolderRestriction(): ‪QueryRestrictionInterface
    {
        $hashedFolderIdentifiers = [];
        $hashedFolderIdentifiers[] = $this->folder->getHashedIdentifier();
        if ($this->recursive) {
            foreach ($this->folder->getSubfolders(0, 0, ‪Folder::FILTER_MODE_NO_FILTERS, true) as $subFolder) {
                $hashedFolderIdentifiers[] = $subFolder->getHashedIdentifier();
            }
        }
 
        return new FolderHashesRestriction($hashedFolderIdentifiers);
    }
}