wip: finalize implementation

src/Controller/Booking/Create/Step4Controller.php

@@ -62,13 +62,13 @@ class Step4Controller extends AbstractController
         ]);
         $form->handleRequest($request);
 
-        if ($form->isSubmitted() && $form->isValid()) {
+        if (true === $form->isSubmitted() && true === $form->isValid()) {
             try {
                 // Submit final booking (already validated in Step 3)
                 $bookingResponse = $this->apiClient->createBooking($bookingCreateDto);
 
                 if ($bookingResponse instanceof Notification) {
-                    return $this->handleBookingError(
+                    return $this->handleApiError(
                         'Booking creation failed - API notification',
                         ['message' => $bookingResponse->message],
                         $bookingResponse->message,
@@ -78,7 +78,7 @@ class Step4Controller extends AbstractController
                 }
 
                 if (false === $bookingResponse->isBookingSuccessful()) {
-                    return $this->handleBookingError(
+                    return $this->handleApiError(
                         'Booking creation unsuccessful',
                         ['status' => $bookingResponse->status],
                         'Buchung konnte nicht erstellt werden.',
@@ -93,7 +93,7 @@ class Step4Controller extends AbstractController
 
                 return $this->hxRedirect($request, $this->generateUrl('app_booking_create_success'));
             } catch (\Exception $e) {
-                return $this->handleBookingError(
+                return $this->handleApiError(
                     'Booking creation exception',
                     [
                         'exception' => $e->getMessage(),
@@ -109,22 +109,6 @@ class Step4Controller extends AbstractController
         return $this->renderStepForm($bookingCreateDto, $form);
     }
 
-    /**
-     * Handles booking errors by logging, adding flash message, and rendering the form.
-     */
-    private function handleBookingError(
-        string $logMessage,
-        array $context,
-        string $flashMessage,
-        BookingDto $bookingCreateDto,
-        FormInterface $form,
-    ): Response {
-        $this->logger->error($logMessage, $context);
-        $this->addFlash('error', $flashMessage);
-
-        return $this->renderStepForm($bookingCreateDto, $form);
-    }
-
     /**
      * Renders the step 4 form with standard template variables.
      */