chore: complete update

src/Framework/Http/Session/FormDataStorage.php

@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Framework\Http\Session;
+
+/**
+ * This class provides functionality to store, retrieve, and manage form data
+ * in a session-based storage.
+ */
+final readonly class FormDataStorage
+{
+    public function __construct(
+        private Session $session
+    ){
+        // Sicherstellen, dass Formulardatenbereich existiert
+        if (!$this->session->has(SessionKey::FORM_DATA->value)) {
+            $this->session->set(SessionKey::FORM_DATA->value, []);
+        }
+    }
+
+    public function store(string $formId, array $data): void
+    {
+        $formData = $this->session->get(SessionKey::FORM_DATA->value, []);
+        $formData[$formId] = $data;
+        $this->session->set(SessionKey::FORM_DATA->value, $formData);
+    }
+
+    public function get(string $formId): array
+    {
+        $formData = $this->session->get(SessionKey::FORM_DATA->value, []);
+        return $formData[$formId] ?? [];
+    }
+
+    public function getField(string $formId, string $field, $default = null)
+    {
+        $data = $this->get($formId);
+        return $data[$field] ?? $default;
+    }
+
+    public function has(string $formId): bool
+    {
+        $formData = $this->session->get(SessionKey::FORM_DATA->value, []);
+        return !empty($formData[$formId]);
+    }
+
+    public function clear(string $formId): void
+    {
+        $formData = $this->session->get(SessionKey::FORM_DATA->value, []);
+
+        if (isset($formData[$formId])) {
+            unset($formData[$formId]);
+            $this->session->set(SessionKey::FORM_DATA->value, $formData);
+        }
+    }
+
+    public function clearAll(): void
+    {
+        $this->session->set(SessionKey::FORM_DATA->value, []);
+    }
+}