feat: htmx powered requests, improved loading indicator

feat: loading indicator and htmx form submit

src/Controller/Booking/CreateStep3Controller.php

@@ -6,8 +6,8 @@ namespace App\Controller\Booking;
 
 use App\BusProNet\ApiClient;
 use App\BusProNet\Model\Notification;
-use App\Controller\Traits\HtmxControllerTrait;
 use App\Form\BookingCreateStep3Type;
+use App\Htmx\HxTrait;
 use App\Service\BookingPriceCalculatorService;
 use App\Service\BookingService;
 use Psr\Log\LoggerInterface;
@@ -23,7 +23,7 @@ class CreateStep3Controller extends AbstractController
 {
     use BookingCreateTrait;
     use BookingExceptionHandlerTrait;
-    use HtmxControllerTrait;
+    use HxTrait;
 
     public function __construct(
         private readonly BookingService $bookingService,
@@ -50,7 +50,14 @@ class CreateStep3Controller extends AbstractController
             return $redirect;
         }
 
-        $form = $this->createForm(BookingCreateStep3Type::class, $bookingCreateDto);
+        $form = $this->createForm(BookingCreateStep3Type::class, $bookingCreateDto, [
+            'attr' => [
+                'hx-post' => $this->generateUrl('app_booking_create_step_3'),
+                'hx-target' => '#form-wrapper',
+                'hx-select' => '#form-wrapper',
+                'hx-swap' => 'outerHTML',
+            ],
+        ]);
         $form->handleRequest($request);
 
         if ($form->isSubmitted() && $form->isValid()) {
@@ -107,7 +114,7 @@ class CreateStep3Controller extends AbstractController
                 $bookingCreateDto->currentStep = 4;
                 $this->bookingService->saveBookingCreateDto($request, $bookingCreateDto);
 
-                return $this->redirectToRoute('app_booking_create_step_4');
+                return $this->hxRedirect($request, $this->generateUrl('app_booking_create_step_4'));
             } catch (\Exception $e) {
                 $this->logger->error('Booking inquiry exception', [
                     'exception' => $e->getMessage(),