wip: booking process

src/Form/Model/BookingCreateDto.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace App\Form\Model;
+
+use App\BusProNet\Model\Travel;
+use Symfony\Component\Validator\Constraints as Assert;
+use Symfony\Component\Validator\Context\ExecutionContextInterface;
+
+class BookingCreateDto
+{
+    public int $currentStep = 1;
+    
+    #[Assert\Valid]
+    /**
+     * @var array<int, RoomSelectionDto>
+     */
+    public array $roomSelections = [];
+
+    /**
+     * @var array<int, ParticipantDto>
+     */
+    #[Assert\Valid]
+    public array $participants = [];
+
+    public function __construct(public Travel $travelData, public int $hotelId)
+    {
+    }
+
+    #[Assert\Callback]
+    public function assertValidRoomSelections(ExecutionContextInterface $context): void
+    {
+        $participantsCount = $this->getParticipantsCount();
+        $selectedContingent = 0;
+
+        foreach ($this->roomSelections as $roomSelection) {
+            $selectedContingent += $roomSelection->quantity * $roomSelection->minPax;
+        }
+
+        if (0 === $selectedContingent) {
+            $context->buildViolation('Bitte mindestens ein Zimmer auswählen.')
+                ->atPath('roomSelections')
+                ->addViolation();
+        }
+
+        if ($selectedContingent !== $participantsCount) {
+            $context->buildViolation('Die ausgewählten Zimmer passen nicht zur Teilnehmerzahl.')
+                ->atPath('roomSelections')
+                ->addViolation();
+        }
+    }
+
+    public function getParticipantsCount(): int
+    {
+        $participantsCount = 0;
+        $rooms = $this->travelData->getAvailableRooms();
+
+        foreach ($this->roomSelections as $roomSelection) {
+            $room = $rooms[$roomSelection->roomId];
+            $participantsCount += $room->minPax * $roomSelection->quantity;
+        } 
+
+        return $participantsCount;
+    }
+}