feat: extract room grouping from booking service

src/Controller/Booking/Traits/BookingCreateTrait.php

@@ -48,16 +48,6 @@ trait BookingCreateTrait
         return $this->redirectToRoute($route);
     }
 
-    /**
-     * Returns the total number of participants based on room selections.
-     */
-    private function getParticipantsCount(BookingDto $bookingCreateDto): int
-    {
-        return $this
-            ->bookingService
-            ->getParticipantsCount($bookingCreateDto->roomSelections, $bookingCreateDto->travel);
-    }
-
     /**
      * Prepares template variables for the booking summary sidebar.
      *
@@ -65,17 +55,13 @@ trait BookingCreateTrait
      */
     private function getSummaryVariables(BookingDto $bookingCreateDto): array
     {
-        $participantsCount = $this->getParticipantsCount($bookingCreateDto);
-        $summary = $this->bookingService->getRoomSummaryAndParticipantCount($bookingCreateDto);
-        $roomAssignmentCounts = $bookingCreateDto->getRoomAssignmentCounts();
-        $availableRooms = $bookingCreateDto->travel->getAvailableRooms();
-        $groupedSelectedRooms = $this->bookingService->groupRoomSelectionsByType($bookingCreateDto->getSelectedRooms(), $availableRooms);
+        $summary = $this->summaryDataService->getSummaryData($bookingCreateDto);
 
         return [
-            'participantsCount' => $participantsCount,
-            'pricingData' => $summary['pricing'],
-            'assignmentCounts' => $roomAssignmentCounts,
-            'groupedSelectedRooms' => $groupedSelectedRooms,
+            'participantsCount' => $summary->participantCount,
+            'pricingData' => $summary->pricingData,
+            'assignmentCounts' => $summary->assignmentCounts,
+            'groupedSelectedRooms' => $summary->groupedSelectedRooms,
         ];
     }