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2.1 KiB
PHP

<?php
/*
* 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\Utility\StringUtility;
/**
* On "new" command, initialize uid with a unique uid
*/
class DatabaseUniqueUidNewRow implements FormDataProviderInterface
{
/**
* Initialize new row with unique uid
*
* @return array
* @throws \InvalidArgumentException
*/
public function addData(array $result)
{
if ($result['command'] !== 'new') {
return $result;
}
// Throw exception if uid is already set and does not start with NEW.
// In some situations a new record needs to be created again so the initialization of default
// values is triggered, but the "ID" of the new record is already known: This is the case if a
// new section container element is added by FormFlexAjaxController to a not yet persisted record.
// In this case, command "new" is given to the data compiler, but the "NEW1234" id has been calculated
// by the former compiler when opening the record already. The ajax controller then hands in the
// "new" command together with the id calculated by the first call.
if (isset($result['databaseRow']['uid']) && !str_starts_with($result['databaseRow']['uid'], 'NEW')) {
throw new \InvalidArgumentException(
'uid is already set to ' . $result['databaseRow']['uid'] . ' and does not start with NEW for a "new" command',
1437991120
);
}
if (!isset($result['databaseRow']['uid'])) {
$result['databaseRow']['uid'] = StringUtility::getUniqueId('NEW');
}
return $result;
}
}