public ActionResult JoinEvent( [FromRoute, SwaggerParameter("The ID of the Code Event", Required = true)] long codeEventId ) { var userCanRegister = _codeEventService.CanUserRegisterAsMember(codeEventId, HttpContext.User); if (!userCanRegister) { return(BadRequest()); } _codeEventService.JoinCodeEvent(codeEventId, HttpContext.User); return(NoContent()); }