wip: booking process

src/Service/BookingService.php

@@ -0,0 +1,100 @@
+<?php
+
+namespace App\Service;
+
+use App\BusProNet\Model\Room;
+use App\BusProNet\XmlLoader\HotelLoader;
+use App\BusProNet\XmlLoader\TravelLoader;
+use App\Form\Model\BookingCreateDto;
+use App\Form\Model\RoomSelectionDto;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+class BookingService
+{
+    public function __construct(
+        private readonly TravelLoader $travelDataLoader,
+        private readonly HotelLoader $hotelDataLoader,
+    ) {
+    }
+
+    public function getOrCreateBookingCreateDto(Request $request): BookingCreateDto
+    {
+        $bookingUuid = $request->query->get('uid');
+        $bookingCreateDto = $request->getSession()->get('booking_create');
+
+        // No UID parameter - try to get existing DTO from session
+        if (null === $bookingUuid) {
+            return $bookingCreateDto ?? throw new NotFoundHttpException('No booking data found. Please start from the beginning.');
+        }
+
+        // Create a new DTO - we need travel_id and hotel_id for this
+        $travelId = $request->query->getInt('travel_id');
+        $hotelId = $request->query->getInt('hotel_id');
+
+        if (0 === $travelId || 0 === $hotelId) {
+            throw new NotFoundHttpException('Missing travel_id or hotel_id parameters');
+        }
+
+        $travelData = $this->travelDataLoader->loadById($travelId, $hotelId);
+        if (null === $travelData) {
+            throw new NotFoundHttpException('Travel data not found');
+        }
+
+        $hotelData = $this->hotelDataLoader->loadById($hotelId);
+        if (null === $hotelData) {
+            throw new NotFoundHttpException('Hotel data not found');
+        }
+
+        $travelData->hotel = $hotelData;
+        $roomsIdsAndQuantities = $this->processRoomQuantities($request);
+        $availableRooms = $travelData->getAvailableRooms();
+
+        $roomSelections = array_map(
+            fn (Room $room) => $this->createRoomSelection($room, $roomsIdsAndQuantities),
+            $availableRooms
+        );
+
+        $bookingCreateDto = new BookingCreateDto($travelData, $hotelId);
+        $bookingCreateDto->roomSelections = $roomSelections;
+
+        $this->saveBookingCreateDto($request, $bookingCreateDto);
+
+        return $bookingCreateDto;
+    }
+
+    public function saveBookingCreateDto(Request $request, BookingCreateDto $bookingCreateDto): void
+    {
+        $request->getSession()->set('booking_create', $bookingCreateDto);
+    }
+
+    private function createRoomSelection(Room $room, array $roomsIdsAndQuantities): RoomSelectionDto
+    {
+        $selection = new RoomSelectionDto();
+        $selection->roomId = $room->id;
+        $selection->roomLabel = $room->label;
+        $selection->maxQuantity = $room->available;
+        $selection->minPax = $room->minPax;
+        $selection->quantity = $roomsIdsAndQuantities[$room->id] ?? 0;
+
+        return $selection;
+    }
+
+    /**
+     * Extracts room IDs and quantities from the request data.
+     *
+     * Processes the 'rooms' parameter from the request to extract room IDs
+     * as keys and their corresponding quantities as integer values. Filters
+     * out empty values and converts all quantities to integers.
+     *
+     * @param Request $request The HTTP request containing room data
+     *
+     * @return array<int, int> Array with room IDs as keys and quantities as values
+     */
+    public function processRoomQuantities(Request $request): array
+    {
+        $rooms = $request->request->all('rooms');
+
+        return array_map('intval', array_filter($rooms, 'strlen'));
+    }
+}