public async Task <bool> Handle(QuestionAnsweredEvent request, CancellationToken cancellationToken)
{
SurveyResponse surveyResponse = await _surveyResponseUnitOfWork.GetOrCreate(
new { request.QuestionnareId, request.ExecutionId },
() => SurveyResponse.Create(request.ExecutionId, request.QuestionnareId));
QuestionResponse response = QuestionResponse.Create(request.Subject,
request.Question,
request.Answers,
request.Answer,
request.AnswerIndex);
surveyResponse.AddResponse(response);
await _surveyResponseUnitOfWork.Commit();
return(true);
}