/**
  * Return the field values from the model
  *
  * @param integer $id
  * @param array $fields
  * @return array
  */
 protected function fieldsFromModel($id, array $fields)
 {
     $data = Event::findOrNew($id);
     $fieldNames = array_keys($fields);
     $fields = ['id' => $id];
     foreach ($fieldNames as $field) {
         $fields[$field] = $data->{$field};
     }
     return $fields;
 }