wip: age based filtering of options

src/Form/Service/CreateFieldStateProvider.php

@@ -5,6 +5,8 @@ declare(strict_types=1);
 namespace App\Form\Service;
 
 use App\Form\Service\Abstract\AbstractFieldStateProvider;
+use App\Form\Service\Condition\CompositeCondition;
+use App\Form\Service\Condition\DateOfBirthProvidedCondition;
 use App\Form\Service\Condition\RentalSelectionCondition;
 
 /**
@@ -14,8 +16,9 @@ use App\Form\Service\Condition\RentalSelectionCondition;
  * for participant fields in the create flow. It extends the common field
  * state functionality provided by AbstractFieldStateProvider.
  *
- * Currently, no specific field state conditions are implemented for the
- * create workflow, but the infrastructure is ready for future additions.
+ * Current field state conditions:
+ * - Body dimension fields become required when rental services are selected
+ * - Age-dependent service fields are hidden until birth date is provided
  */
 class CreateFieldStateProvider extends AbstractFieldStateProvider
 {
@@ -60,6 +63,26 @@ class CreateFieldStateProvider extends AbstractFieldStateProvider
             'required' => $rentalCondition,
         ];
 
+        // Hide age-dependent fields when no date of birth is provided
+        $dateOfBirthProvidedCondition = new DateOfBirthProvidedCondition();
+
+        // Age-dependent service fields are hidden until birth date is provided
+        $this->fieldStateConditions['courses'] = [
+            'hidden' => CompositeCondition::not($dateOfBirthProvidedCondition),
+        ];
+
+        $this->fieldStateConditions['additionalServices'] = [
+            'hidden' => CompositeCondition::not($dateOfBirthProvidedCondition),
+        ];
+
+        $this->fieldStateConditions['rentals'] = [
+            'hidden' => CompositeCondition::not($dateOfBirthProvidedCondition),
+        ];
+
+        $this->fieldStateConditions['board'] = [
+            'hidden' => CompositeCondition::not($dateOfBirthProvidedCondition),
+        ];
+
         // Example field state conditions would be registered here
         // For demonstration purposes, here are some example patterns: