TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:00 +02:00
commit f9941541b7
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+<?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;
+    }
+}