materio expo use now cookie instead of session

web/modules/custom/materio_expo/materio_expo.routing.yml

@@ -1,14 +1,18 @@
-materio_expo.qr_controller_getfile:
-  path: '/materio_expo/qr/file/{ref}'
-  defaults:
-    _controller: '\Drupal\materio_expo\Controller\QRController::getfile'
-    # _title: 'Get File'
-  requirements:
-    _permission: 'access content'
 materio_expo.get_email:
   path: '/materio_expo/qr/form/{ref}'
   defaults:
     _form: '\Drupal\materio_expo\Form\GetEmail'
-    # _title: ''
   requirements:
     _access: 'TRUE'
+materio_expo.qr_controller_setcookie:
+  path: '/materio_expo/qr/cookie/{ref}'
+  defaults:
+    _controller: '\Drupal\materio_expo\Controller\QRController::setcookie'
+  requirements:
+    _permission: 'access content'
+materio_expo.qr_controller_getfile:
+  path: '/materio_expo/qr/file/{ref}'
+  defaults:
+    _controller: '\Drupal\materio_expo\Controller\QRController::getfile'
+  requirements:
+    _permission: 'access content'