feat: correct determination of inquiry status and conditional voucher field display

src/Controller/Booking/Create/Step4Controller.php

@@ -21,6 +21,7 @@ use Symfony\Component\Form\FormInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Contracts\Cache\CacheInterface;
 
 /**
  * Handles the fourth step of the booking creation process (confirmation).
@@ -36,6 +37,7 @@ class Step4Controller extends AbstractController
         private readonly BookingSummaryDataService $summaryDataService,
         private readonly BookingPriceCalculatorService $priceCalculator,
         private readonly ApiClient $apiClient,
+        private readonly CacheInterface $cache,
         private readonly LoggerInterface $logger,
     ) {
     }
@@ -99,6 +101,7 @@ class Step4Controller extends AbstractController
 
                 // Success: Store booking number in flash and clear session
                 $this->addFlash('booking_number', $bookingResponse->transactionNumber);
+                $this->clearTravelDataCache($bookingCreateDto);
                 $this->bookingService->clearBookingCreateDto($request);
 
                 return $this->hxRedirect($request, $this->generateUrl('app_booking_create_success'));
@@ -151,4 +154,25 @@ class Step4Controller extends AbstractController
             'participantPrices' => $this->priceCalculator->calculateAllParticipantIndividualPrices($bookingCreateDto),
         ]);
     }
+
+    /**
+     * Clears travel data and availability cache after successful booking.
+     */
+    private function clearTravelDataCache(BookingDto $bookingDto): void
+    {
+        $dateId = $bookingDto->travel->id;
+        $hotelId = $bookingDto->hotelId;
+
+        // Clear availability cache
+        $this->cache->delete(sprintf('availability_%d', $dateId));
+
+        // Clear travel data cache (both local and remote variants)
+        $this->cache->delete(sprintf('travel_unified_%d_%d_local', $dateId, $hotelId));
+        $this->cache->delete(sprintf('travel_unified_%d_%d_remote', $dateId, $hotelId));
+
+        $this->logger->info('Cleared travel data cache after successful booking', [
+            'dateId' => $dateId,
+            'hotelId' => $hotelId,
+        ]);
+    }
 }