SlugEnricher.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\DataHandling;
 
use ‪TYPO3\CMS\Core\Utility\MathUtility;
 
class ‪SlugEnricher
{
    protected ‪$slugFieldNamesPerTable = [];
 
    public function ‪enrichDataMap(array $dataMap): array
    {
        foreach ($dataMap as $tableName => &$tableDataMap) {
            $slugFieldNames = $this->‪resolveSlugFieldNames($tableName);
            if (empty($slugFieldNames)) {
                continue;
            }
            foreach ($tableDataMap as $identifier => &$fieldValues) {
                if (‪MathUtility::canBeInterpretedAsInteger($identifier)) {
                    continue;
                }
                $fieldValues = $this->‪enrichUndefinedSlugFieldNames(
                    $slugFieldNames,
                    $fieldValues
                );
            }
        }
        return $dataMap;
    }
 
    protected function ‪enrichUndefinedSlugFieldNames(array $slugFieldNames, array $fieldValues): array
    {
        if (empty($slugFieldNames)) {
            return [];
        }
        $undefinedSlugFieldNames = array_diff(
            $slugFieldNames,
            array_keys($fieldValues)
        );
        if (empty($undefinedSlugFieldNames)) {
            return $fieldValues;
        }
        return array_merge(
            $fieldValues,
            array_fill_keys(
                $undefinedSlugFieldNames,
                ''
            )
        );
    }
 
    public function ‪resolveSlugFieldNames(string $tableName): array
    {
        if (isset($this->slugFieldNamesPerTable[$tableName])) {
            return $this->slugFieldNamesPerTable[$tableName];
        }
 
        return $this->slugFieldNamesPerTable[$tableName] = array_keys(
            array_filter(
                ‪$GLOBALS['TCA'][$tableName]['columns'] ?? [],
                function (array $settings) {
                    return ($settings['config']['type'] ?? null) === 'slug';
                }
            )
        );
    }
}