public async Task <IEnumerable <SurveyDto> > GetSurveys()
{
var surveys = await _surveyRepository.GetAllAsync();
var questionOrders = await _questionOrderRepository.GetAllAsync();
var surveysDto = _mapper.Map <IEnumerable <SurveyDto> >(surveys);
var questionOrdersDto = _mapper.Map <IEnumerable <QuestionOrderDto> >(questionOrders);
surveysDto
.ToList()
.ForEach(s => s.QuestionOrders = questionOrdersDto
.Where(q => q.SurveyId.Equals(s.Id.Value)));
return(_mapper.Map <IEnumerable <SurveyDto> >(surveys));
}