DatabaseService.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\Form\Service;
 
use ‪TYPO3\CMS\Core\Database\Connection;
use ‪TYPO3\CMS\Core\Database\ConnectionPool;
use ‪TYPO3\CMS\Core\Resource\ResourceFactory;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪DatabaseService
{
    public function ‪getReferencesByPersistenceIdentifier(string $persistenceIdentifier): array
    {
        if (empty($persistenceIdentifier)) {
            throw new \InvalidArgumentException('$persistenceIdentifier must not be empty.', 1472238493);
        }
 
        $resourceFactory = GeneralUtility::makeInstance(ResourceFactory::class);
        $file = $resourceFactory->retrieveFileOrFolderObject($persistenceIdentifier);
 
        if ($file === null) {
            return [];
        }
 
        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('sys_refindex');
 
        return $queryBuilder
            ->select('*')
            ->from('sys_refindex')
            ->where(
                $queryBuilder->expr()->eq('softref_key', $queryBuilder->createNamedParameter('formPersistenceIdentifier')),
                $queryBuilder->expr()->or(
                    $queryBuilder->expr()->eq('ref_string', $queryBuilder->createNamedParameter($persistenceIdentifier)),
                    $queryBuilder->expr()->eq('ref_uid', $queryBuilder->createNamedParameter($file->getUid(), ‪Connection::PARAM_INT))
                )
            )
            ->executeQuery()
            ->fetchAllAssociative();
    }
 
    public function ‪getAllReferencesForPersistenceIdentifier(): array
    {
        $items = [];
        foreach ($this->‪getAllReferences('ref_string') as $item) {
            $items[$item['identifier']] = $item['items'];
        }
        return $items;
    }
 
    public function ‪getAllReferencesForFileUid(): array
    {
        $items = [];
        foreach ($this->‪getAllReferences('ref_uid') as $item) {
            $items[$item['identifier']] = $item['items'];
        }
        return $items;
    }
 
    protected function ‪getAllReferences(string $column): array
    {
        if ($column !== 'ref_string' && $column !== 'ref_uid') {
            throw new \InvalidArgumentException('$column must not be "ref_string" or "ref_uid".', 1535406600);
        }
 
        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('sys_refindex');
 
        $constraints = [
            $queryBuilder->expr()->eq('softref_key', $queryBuilder->createNamedParameter('formPersistenceIdentifier')),
        ];
 
        if ($column === 'ref_string') {
            $constraints[] = $queryBuilder->expr()->neq('ref_string', $queryBuilder->createNamedParameter(''));
        } else {
            $constraints[] = $queryBuilder->expr()->gt('ref_uid', $queryBuilder->createNamedParameter(0, ‪Connection::PARAM_INT));
        }
 
        return $queryBuilder
            ->select($column . ' AS identifier')
            ->addSelectLiteral('COUNT(' . $queryBuilder->quoteIdentifier($column) . ') AS ' . $queryBuilder->quoteIdentifier('items'))
            ->from('sys_refindex')
            ->where(...$constraints)
            ->groupBy($column)
            ->executeQuery()
            ->fetchAllAssociative();
    }
}