TcaSlug.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\Backend\Form\FormDataProvider;
 
use ‪TYPO3\CMS\Backend\Form\FormDataProviderInterface;
use ‪TYPO3\CMS\Core\Site\Entity\SiteInterface;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪TcaSlug implements ‪FormDataProviderInterface
{
    public function ‪addData(array $result): array
    {
        $table = $result['tableName'];
        $site = $result['site'];
        $row = $result['databaseRow'];
        $languageId = 0;
 
        if (($result['processedTca']['ctrl']['languageField'] ?? '') !== '') {
            $languageField = $result['processedTca']['ctrl']['languageField'];
            $languageId = (int)((is_array($row[$languageField]) ? $row[$languageField][0] : $row[$languageField]) ?? 0);
        }
 
        foreach ($result['processedTca']['columns'] as $fieldName => $fieldConfig) {
            if (($fieldConfig['config']['type'] ?? '') !== 'slug') {
                continue;
            }
 
            $prefix = $fieldConfig['config']['appearance']['prefix'] ?? '';
 
            if ($prefix !== '') {
                $parameters = ['site' => $site, 'languageId' => $languageId, 'table' => $table, 'row' => $row];
                $prefix = GeneralUtility::callUserFunction($prefix, $parameters, $this);
            } elseif ($site instanceof ‪SiteInterface) {
                // default behaviour used for pages
                $prefix = $this->‪getPrefixForSite($site, $languageId);
            }
 
            $result['customData'][$fieldName]['slugPrefix'] = $prefix;
            $result['processedTca']['columns'][$fieldName]['config']['appearance']['prefix'] = $prefix;
        }
 
        return $result;
    }
 
    protected function ‪getPrefixForSite(‪SiteInterface $site, int $languageId): string
    {
        try {
            $language = ($languageId < 0) ? $site->‪getDefaultLanguage() : $site->‪getLanguageById($languageId);
            $base = $language->‪getBase();
            $prefix = rtrim((string)$base, '/');
            if ($prefix !== '' && empty($base->getScheme()) && $base->getHost() !== '') {
                $prefix = 'http:' . $prefix;
            }
        } catch (\InvalidArgumentException $e) {
            // No site found
            $prefix = '';
        }
 
        return $prefix;
    }
}