// Compute aggregates for each feedback question in template based on all responses in feedback table
internal List <QuestionStats> GetFeedbackQuestionStats(QuestionTemplate[] questionTemplate, FeedbackReportHelper[] feedbackTable)
{
List <QuestionStats> questionStats = new List <QuestionStats>();
foreach (QuestionTemplate question in questionTemplate)
{
if (question.Type != "likert")
{
continue;
}
List <int> answers = new List <int>();
foreach (var response in feedbackTable.Where(f => f.Submitted || true))
{
var answer = response.IdToAnswer.GetValueOrDefault(question.Id, null);
if (answer != null)
{
answers.Add(Int32.Parse(answer));
}
}
var newStat = new QuestionStats {
Id = question.Id,
Prompt = question.Prompt,
ShortName = question.ShortName,
Required = question.Required,
ScaleMin = question.Min,
ScaleMax = question.Max,
Count = answers.Count(),
};
if (newStat.Count > 0)
{
newStat.Average = answers.Average();
newStat.Lowest = answers.Min();
newStat.Highest = answers.Max();
}
questionStats.Add(newStat);
}
return(questionStats);
}
// Get: Questionnarie/RegisterAnswer
public ActionResult RegisterAnswer(int questionnarieId, List <QuestionDTO> questionsRes)
{
var answers = new List <AnswerDTO>();
foreach (var question in questionsRes)
{
foreach (var answer in question.Answers)
{
if (answer.Text is object)
{
answers.Add(answer);
}
}
}
_qestionnarieService.AddAnswers(answers);
var questionnarie = _qestionnarieService.GetQuestionnarie(questionnarieId);
var questions = questionnarie.Questions;
List <QuestionStats> questionStats = new List <QuestionStats>();
foreach (var question in questions)
{
var aStats = question.Answers.GroupBy(a => a.Text)
.Select(ag => new AnswerStat {
Text = ag.Key, Count = ag.Count()
});
var qStats = new QuestionStats {
Question = question, AnswerStats = aStats.ToList()
};
questionStats.Add(qStats);
}
var viewModel = new ResultViewModel {
Questionnarie = questionnarie, QuestionStats = questionStats
};
return(View("Result", viewModel));
}