public UnSubcribeToSubResponse Handle(UnSubcribeToSub command) { var response = new UnSubcribeToSubResponse(); try { var sub = _subService.GetSubByName(command.SubName); if (sub == null) { response.Error = "No sub found with the given name"; return(response); } _subService.UnSubscribeToSub(command.UserId, sub.Id); _eventBus.Publish(new SubScriptionChanged { Unsubscribed = true, UserId = command.UserId, SubId = sub.Id }); response.Success = true; } catch (Exception ex) { response.Error = ex.Message; return(response); } return(response); }