wip: modernized edit flow

src/Form/Model/BookingDto.php

@@ -0,0 +1,179 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Form\Model;
+
+use App\BusProNet\Constants;
+use App\BusProNet\Model\Booking;
+use App\BusProNet\Model\Travel;
+use Symfony\Component\Validator\Constraints as Assert;
+use Symfony\Component\Validator\Context\ExecutionContextInterface;
+
+/**
+ * Unified DTO for both booking creation and editing workflows.
+ *
+ * This DTO consolidates the previously separate BookingCreateDto and BookingEditDto
+ * into a single class that handles both modes. All service selections are stored
+ * in participant DTOs regardless of mode, ensuring consistent data structure and
+ * simplifying pricing calculations, field handlers, and template rendering.
+ */
+class BookingDto
+{
+    public const MODE_CREATE = 'create';
+    public const MODE_EDIT = 'edit';
+
+    public int $currentStep = 1;
+
+    /**
+     * @var array<int, RoomSelectionDto>
+     */
+    #[Assert\Valid]
+    public array $roomSelections = [];
+
+    /**
+     * @var array<int, ParticipantDto>
+     */
+    #[Assert\Valid]
+    public array $participants = [];
+
+    #[Assert\Choice(
+        choices: [Constants::PAYMENT_METHOD_TRANSFER, Constants::PAYMENT_METHOD_DEBIT],
+        message: 'Bitte wählen Sie eine gültige Zahlungsart.'
+    )]
+    public ?string $paymentMethod = Constants::PAYMENT_METHOD_TRANSFER;
+
+    public ?BankAccountDto $bankAccount = null;
+
+    public ?int $agencyId = null;
+
+    /**
+     * Reference to booking entity (only populated in edit mode).
+     */
+    public ?Booking $booking = null;
+
+    public function __construct(public Travel $travel, public int $hotelId)
+    {
+    }
+
+    public function getMode(): string
+    {
+        return null !== $this->booking ? self::MODE_EDIT : self::MODE_CREATE;
+    }
+
+    /**
+     * @return array<int, RoomSelectionDto>
+     */
+    public function getSelectedRooms(): array
+    {
+        // In edit mode, rooms are fixed - return empty array
+        if (self::MODE_EDIT === $this->getMode()) {
+            return [];
+        }
+
+        return array_filter($this->roomSelections, function (RoomSelectionDto $roomSelection) {
+            return 0 < $roomSelection->quantity;
+        });
+    }
+
+    public function getParticipants(): array
+    {
+        return $this->participants;
+    }
+
+    public function hasParticipant(int $index): bool
+    {
+        return isset($this->participants[$index]);
+    }
+
+    public function getParticipant(int $index): ?ParticipantDto
+    {
+        return $this->participants[$index] ?? null;
+    }
+
+    /**
+     * Determines if this is a family booking based on participant age distribution.
+     *
+     * A family booking is defined as:
+     * - 1 or 2 participants aged 18 or older (adults)
+     * - At least 1 participant younger than 18 (children)
+     */
+    public function isFamilyBooking(): bool
+    {
+        $adults = 0;
+        $children = 0;
+
+        $travelStartDate = $this->travel->dateFrom;
+
+        foreach ($this->participants as $participant) {
+            $age = $participant->getAge($travelStartDate);
+
+            if (null === $age) {
+                continue;
+            }
+
+            if ($age >= 18) {
+                ++$adults;
+            } else {
+                ++$children;
+            }
+        }
+
+        return ($adults >= 1 && $adults <= 2) && ($children >= 1);
+    }
+
+    public function isCanceled(): bool
+    {
+        return null !== $this->booking && 'S' === $this->booking->status;
+    }
+
+    public function isOption(): bool
+    {
+        return null !== $this->booking && 'O' === $this->booking->status;
+    }
+
+    #[Assert\Callback(callback: 'validateRoomSelection', groups: ['booking_create_step_1'])]
+    public function validateRoomSelection(ExecutionContextInterface $context): void
+    {
+        $selectedRooms = $this->getSelectedRooms();
+
+        if (0 === count($selectedRooms)) {
+            $context->buildViolation('Bitte mindestens ein Zimmer/Bett auswählen')
+                ->addViolation();
+        }
+    }
+
+    #[Assert\Callback]
+    public function validateBankAccount(ExecutionContextInterface $context): void
+    {
+        if (Constants::PAYMENT_METHOD_DEBIT !== $this->paymentMethod) {
+            return;
+        }
+
+        if (null === $this->bankAccount) {
+            $context->buildViolation('Bitte geben Sie Ihre Bankverbindung an.')
+                ->atPath('bankAccount')
+                ->addViolation();
+
+            return;
+        }
+
+        if (null === $this->bankAccount->iban || '' === trim($this->bankAccount->iban)) {
+            $context->buildViolation('Bitte geben Sie Ihre IBAN ein.')
+                ->atPath('bankAccount.iban')
+                ->addViolation();
+        }
+
+        if (null === $this->bankAccount->accountHolder || '' === trim($this->bankAccount->accountHolder)) {
+            $context->buildViolation('Bitte geben Sie den Kontoinhaber ein.')
+                ->atPath('bankAccount.accountHolder')
+                ->addViolation();
+        }
+
+        if (false === $this->bankAccount->sepaMandateAccepted) {
+            $context->buildViolation('Bitte akzeptieren Sie das SEPA-Mandat.')
+                ->atPath('bankAccount.sepaMandateAccepted')
+                ->addViolation();
+        }
+    }
+}