fix: enable bookings without ski passes

src/Form/Model/ParticipantDto.php

@@ -102,8 +102,8 @@ class ParticipantDto
     /** @var list<int> */
     public array $autoBookOptOutRentalIds = [];
 
-    // Note: Ski pass validation is conditional - see ParticipantEditDto::validateSkiPassRequired()
-    // Babies (0-2 years) are exempt from ski pass requirement
+    // Note: Ski pass validation is conditional - see App\Validator\Constraints\SkiPassSelectionValidator.
+    // Babies (0-2 years) and travels that offer no ski passes at all are exempt.
     public ?Service $skiPass = null;
 
     /** @var list<Service> */

src/Form/Model/ParticipantEditDto.php

@@ -4,7 +4,6 @@ declare(strict_types=1);
 
 namespace App\Form\Model;
 
-use App\BusProNet\Constants;
 use App\Validator\Constraints as AppAssert;
 use Symfony\Component\Validator\Constraints as Assert;
 use Symfony\Component\Validator\Context\ExecutionContextInterface;
@@ -21,6 +20,7 @@ use function Symfony\Component\String\u;
 #[AppAssert\PurchaseVoucher(groups: ['booking_create', 'booking_edit'])]
 #[AppAssert\PromoVoucher(groups: ['booking_create', 'booking_edit'])]
 #[AppAssert\MandatoryAdditionalServicesSelected(groups: ['booking_create', 'booking_edit'])]
+#[AppAssert\SkiPassSelection(groups: ['strict_required'])]
 class ParticipantEditDto
 {
     public function __construct(
@@ -30,39 +30,6 @@ class ParticipantEditDto
     ) {
     }
 
-    /**
-     * Validates that ski pass is selected when required.
-     *
-     * Ski pass is required for all participants in create mode, EXCEPT for babies
-     * (participants aged 0-2 years at travel date). Babies don't qualify for any
-     * ski pass and the field is hidden for them.
-     *
-     * In edit submissions, this validation is skipped as the ski pass is readonly.
-     *
-     * This validation only runs when strict_required group is active.
-     */
-    #[Assert\Callback(groups: ['strict_required'])]
-    public function validateSkiPassRequired(ExecutionContextInterface $context): void
-    {
-        // Skip validation in edit submissions - ski pass is readonly there.
-        if (BookingDto::MODE_EDIT === $this->bookingContext->getMode()) {
-            return;
-        }
-
-        // Baby age exemption: skip validation for participants at or under BABY_MAX_AGE
-        $age = $this->participant->getAge($this->bookingContext->travel->dateFrom);
-        if (null !== $age && $age <= Constants::BABY_MAX_AGE) {
-            return;
-        }
-
-        // Ski pass is required for non-baby participants
-        if (null === $this->participant->skiPass) {
-            $context->buildViolation('Bitte auswählen')
-                ->atPath('participant.skiPass')
-                ->addViolation();
-        }
-    }
-
     /**
      * Validates that insurance is selected when required.
      *