feat: body dimensions mandatory with selected rentals, updated help text

feat: body dimensions mandatory with selected rentals

src/Validator/Constraints/ParticipantValidator.php

@@ -22,6 +22,7 @@ class ParticipantValidator extends ConstraintValidator
         $participant = $value;
 
         $this->assertPickupSelected($participant);
+        $this->assertBodyDimensionsWhenRentalsSelected($participant);
     }
 
     public function assertPickupSelected(ParticipantDto $participant): void
@@ -40,4 +41,34 @@ class ParticipantValidator extends ConstraintValidator
             ;
         }
     }
+
+    public function assertBodyDimensionsWhenRentalsSelected(ParticipantDto $participant): void
+    {
+        // Check if any rental services are selected
+        if (true === empty($participant->rentals)) {
+            return;
+        }
+
+        // Require body dimensions when rentals are selected
+        if (null === $participant->height || '' === $participant->height) {
+            $this->context->buildViolation('Bitte auswählen')
+                ->atPath('height')
+                ->addViolation()
+            ;
+        }
+
+        if (null === $participant->weight || '' === $participant->weight) {
+            $this->context->buildViolation('Bitte auswählen')
+                ->atPath('weight')
+                ->addViolation()
+            ;
+        }
+
+        if (null === $participant->shoeSize || '' === $participant->shoeSize) {
+            $this->context->buildViolation('Bitte auswählen')
+                ->atPath('shoeSize')
+                ->addViolation()
+            ;
+        }
+    }
 }