wip: booking process, room assignment

src/Service/BookingService.php

@@ -3,6 +3,7 @@
 namespace App\Service;
 
 use App\BusProNet\Model\Room;
+use App\BusProNet\Model\Travel;
 use App\Form\Model\BookingCreateDto;
 use App\Form\Model\RoomSelectionDto;
 use App\Service\TravelDataService;
@@ -88,4 +89,17 @@ class BookingService
 
         return array_map('intval', array_filter($rooms, 'strlen'));
     }
+
+    public function getParticipantsCount(array $roomSelections, Travel $travelData): int
+    {
+        $participantsCount = 0;
+        $rooms = $travelData->getAvailableRooms();
+
+        foreach ($roomSelections as $roomSelection) {
+            $room = $rooms[$roomSelection->roomId];
+            $participantsCount += $room->minPax * $roomSelection->quantity;
+        }
+
+        return $participantsCount;
+    }
 }