feat: improved validation of personal data

src/BusProNet/Model/Communication.php

@@ -2,11 +2,19 @@
 
 namespace App\BusProNet\Model;
 
+use Symfony\Component\Validator\Constraints as Assert;
+
 class Communication
 {
-    public ?string $phone = null;
-    public ?string $mobile = null;
-    public ?string $email = null;
+    public ?string $phone = '';
+
+    #[Assert\NotBlank(message: 'Bitte angeben', groups: ['personal_data'])]
+    public ?string $mobile = '';
+
+    #[Assert\NotBlank(message: 'Bitte angeben', groups: ['personal_data'])]
+    #[Assert\Email(message: 'Bitte eine gültige Adresse angeben', mode: 'strict', groups: ['personal_data'])]
+    public ?string $email = '';
+
     public bool $newsletter = false;
 
     public function toPayload(): array
@@ -18,4 +26,4 @@ class Communication
             'newsletter' => $this->newsletter ? 'True' : 'False',
         ];
     }
-}
+}