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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;
/**
* New records that are capable of handling slugs (TCA type 'slug'), always
* require the field value to be set in order to run through the validation
* process to create a new slug. Fields having `null` as value are ignored
* and can be used to by-pass implicit slug initialization.
*
* @see DataHandler::fillInFieldArray()
* @see DataHandler::checkValueForSlug()
*/
class SlugEnricher
{
/**
* @var array
*/
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,
''
)
);
}
/**
* @return string[]
*/
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'] ?? [],
static function (array $settings) {
return ($settings['config']['type'] ?? null) === 'slug';
}
)
);
}
}