private static ScaleAnswersSummary SummarizeScaleAnswers(IEnumerable<SurveySubmission> submissions, SurveyQuestion question)
{
var answersCount = 0;
var total = 0;
foreach (var submission in submissions)
{
var answer = submission.Answers.SingleOrDefault(a => a.Question.Id == question.Id);
if (answer != null && !string.IsNullOrEmpty(answer.Value))
{
var value = 0;
if (int.TryParse(answer.Value, out value))
{
total += value;
answersCount++;
}
}
}
return new ScaleAnswersSummary
{
Average = answersCount > 0 ? Math.Round((decimal)total / answersCount, 2) : 0
};
}
private static YesNoAnswersSummary SummarizeYesNoAnswers(IEnumerable<SurveySubmission> submissions, SurveyQuestion question)
{
var answersSummary = new YesNoAnswersSummary
{
Yes = 0,
No = 0
};
foreach (var submission in submissions)
{
var answer = submission.Answers.SingleOrDefault(a => a.Question.Id == question.Id);
if (answer != null && !string.IsNullOrEmpty(answer.Value))
{
if (answer.Value.Equals("Yes"))
{
answersSummary.Yes++;
}
else
{
answersSummary.No++;
}
}
}
return answersSummary;
}
private static TextAnswersSummary SummarizeTextAnswers(IEnumerable<SurveySubmission> submissions, SurveyQuestion question)
{
var answersSummary = new TextAnswersSummary
{
Answers = new List<string>()
};
foreach (var submission in submissions)
{
var answer = submission.Answers.SingleOrDefault(a => a.Question.Id == question.Id);
if (answer != null && !string.IsNullOrEmpty(answer.Value))
{
answersSummary.Answers.Add(answer.Value);
}
}
return answersSummary;
}