wip: rentals insurance field

src/Form/Service/ParticipantFieldOptionsProvider.php

@@ -183,6 +183,13 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
             'choice_label' => fn (?Service $service) => $this->formatServiceLabelWithPrice($service),
         ];
 
+        // Rental insurance field provider - provides rental insurance options when rental services are selected
+        $this->fieldOptionProviders['rentalInsurance'] = fn (BookingDtoInterface $bookingDto, int $participantIndex, array $options = []) => [
+            'label' => $this->getRentalInsuranceCheckboxLabel($bookingDto->travel->getAdditionalServicesBySubTypes(Constants::TOKEN_RENTAL_INSURANCE, true, true)),
+            'required' => false,
+            'property_path' => 'rentalInsuranceSelected',
+        ];
+
         // Skipass field provider - provides age-appropriate skipass options from travel data filtered by date range
         $this->fieldOptionProviders['skiPass'] = fn (BookingDtoInterface $bookingDto, int $participantIndex, array $options = []) => [
             'label' => 'Skipass',
@@ -477,4 +484,16 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
             return $ageEvaluator->isServiceAvailableForParticipant($service, $bookingDto, $participantIndex);
         });
     }
+
+    /**
+     * Generates label for rental insurance checkbox including pricing information.
+     */
+    private function getRentalInsuranceCheckboxLabel(array $rentalInsuranceServices): string
+    {
+        if (empty($rentalInsuranceServices)) {
+            return 'Leihmaterial-Versicherung';
+        }
+        $rentalInsuranceService = reset($rentalInsuranceServices); // Get the first (and only) rental insurance service
+        return $this->formatServiceLabelWithPrice($rentalInsuranceService);
+    }
 }