public async Task <NotificationResultDto> Handle(CreateAudienceCommand command, CancellationToken cancellationToken) { try { if (!command.Valid()) { return(_handlerResponse.Response(command.IsValid, command.Notifications)); } var audienteEntites = await _audienceRepository.GetAudienceByBroadcasterAndDateTimeAsync(command.AudienceBroadcaster, command.AudienceDateTime); var audience = new Audience(command.AudienceBroadcaster, command.AudienceDateTime, command.AudiencePoints); if (audienteEntites != null) { audience.AudienceRegister(); } if (audience.IsValid) { await _audienceRepository.InsertAsync(audience); } AddNotifications(audience); } catch (Exception ex) { AddNotification("500", ex.Message); } return(_handlerResponse.Response(IsValid, Notifications)); }