feat: replace custom discount with absolute value in favor of percentage

src/Form/Admin/Groups/AccommodationBookingType.php

@@ -14,11 +14,13 @@ use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
 use Symfony\Component\Form\Extension\Core\Type\DateType;
 use Symfony\Component\Form\Extension\Core\Type\EmailType;
 use Symfony\Component\Form\Extension\Core\Type\IntegerType;
+use Symfony\Component\Form\Extension\Core\Type\MoneyType;
 use Symfony\Component\Form\Extension\Core\Type\TextareaType;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Component\Validator\Constraints\Positive;
 use Symfony\Component\Validator\Constraints\Range;
 
 /** @extends AbstractType<AccommodationBooking> */
@@ -158,14 +160,17 @@ class AccommodationBookingType extends AbstractType
                     new Range(min: 1, max: 100),
                 ],
             ])
-            // Applies to the total after the three section discounts. The label is not marked
-            // required here — a percentage may legitimately be absent — but the entity refuses
-            // a percentage without one, so no unnamed discount can reach the customer.
-            ->add('totalDiscount', IntegerType::class, [
-                'label' => 'Rabatt Gesamtpreis (%)',
+            // A fixed sum, not a percentage, applied to the total after the three section
+            // discounts. The label is not marked required here — an amount may legitimately be
+            // absent — but the entity refuses an amount without one, so no unnamed discount can
+            // reach the customer.
+            ->add('totalDiscountAmount', MoneyType::class, [
+                'label' => 'Rabatt Gesamtpreis',
+                'currency' => $options['currency'],
+                'divisor' => 100,
                 'required' => false,
                 'constraints' => [
-                    new Range(min: 1, max: 100),
+                    new Positive(),
                 ],
             ])
             ->add('totalDiscountLabel', TextType::class, [
@@ -201,6 +206,7 @@ class AccommodationBookingType extends AbstractType
             'current_board_service' => null,
             'current_additional_services' => [],
             'assignable_managers' => [],
+            'currency' => 'EUR',
         ]);
         $resolver->setAllowedTypes('max_adolescent_age', 'int');
         $resolver->setAllowedTypes('board_services', 'array');
@@ -208,5 +214,6 @@ class AccommodationBookingType extends AbstractType
         $resolver->setAllowedTypes('current_board_service', ['null', BoardService::class]);
         $resolver->setAllowedTypes('current_additional_services', 'array');
         $resolver->setAllowedTypes('assignable_managers', 'array');
+        $resolver->setAllowedTypes('currency', 'string');
     }
 }