notification: fix NotificationHandlerInterface

src/Bundle/ChillMainBundle/Notification/NotificationHandlerInterface.php

@@ -11,6 +11,22 @@ declare(strict_types=1);
 
 namespace Chill\MainBundle\Notification;
 
+use Chill\MainBundle\Entity\Notification;
+
 interface NotificationHandlerInterface
 {
+    /**
+     * Return the template path (twig file).
+     */
+    public function getTemplate(array $options = []): string;
+
+    /**
+     * Return an array which will be passed as data for the template.
+     */
+    public function getTemplateData(Notification $notification, array $options = []): array;
+
+    /**
+     * Return true if the handler supports the handling for this notification.
+     */
+    public function supports(Notification $notification, array $options = []): bool;
 }