/**
* Display a listing of newsletter
*
* @return \Illuminate\Http\Response
*/
public function index()
{
$user = JWTAuth::parseToken()->authenticate();
if (!Controller::supreme($user->role)) {
return Controller::response(Controller::error(13), 401);
}
$response = $this->newsletter->listNewsletter();
return Controller::response($response, 200);
}
