public async Task <FilledQuestionnaireResponse> GetAnsweredQuestionnaireAsync(string clientId)
{
var questionsTask = _questionnaireService.GetQuestionnaireAsync(clientId);
var rankTask = _questionnaireService.GetQuestionnaireRankAsync(clientId);
await Task.WhenAll(questionsTask, rankTask);
var result = new FilledQuestionnaireResponse
{
Questionnaire = _mapper.Map <AnsweredQuestionModel[]>(questionsTask.Result),
Rank = rankTask.Result?.Rank ?? 0
};
return(result);
}