public ActionResult Statistics(StatisticDetailsViewModel details)
{
var exam = _db.Exams.Find(details.ExamId);
var responses = exam.Responses.ToList();
foreach (var response in responses)
{
foreach (var answer in response.Answers.ToArray())
{
var multipleAnswer = answer as MultipleSelectionAnswer;
if (multipleAnswer != null)
{
response.Answers.Remove(answer);
response.Answers.Add(_db.MultipleSelectionAnswers
.Include(a => a.Selections)
.SingleOrDefault(e => e.QuestionId == answer.QuestionId && e.ResponseId == answer.ResponseId));
}
}
}
exam.Responses = responses;
var statistics = new StatisticsViewModel
{
ExamAnalyzer = new ExamAnalyzer(exam, details.StartDate, details.EndDate)
};
return(View(statistics));
}
public ActionResult GlobalStatistics(StatisticDetailsViewModel details)
{
var exams = _db.Exams.Where(e => e.Active).ToList();
foreach (var exam in exams)
{
var responses = exam.Responses.ToList();
foreach (var response in responses)
{
foreach (var answer in response.Answers.ToArray())
{
var multipleAnswer = answer as MultipleSelectionAnswer;
if (multipleAnswer != null)
{
response.Answers.Remove(answer);
response.Answers.Add(_db.MultipleSelectionAnswers
.Include(a => a.Selections)
.SingleOrDefault(e => e.QuestionId == answer.QuestionId && e.ResponseId == answer.ResponseId));
}
}
}
exam.Responses = responses;
}
var model = new GlobalStatisticsViewModel(exams, details.StartDate, details.EndDate);
return(View(model));
}
public ActionResult StatisticDetails([Bind(Include = "ExamID,StartDate,EndDate")] StatisticDetailsViewModel details)
{
if (details.EndDate == null && details.StartDate != null)
{
details.EndDate = DateTime.Today;
if (details.EndDate >= details.StartDate)
{
ModelState["EndDate"].Errors.Clear();
}
}
if (ModelState.IsValid)
{
if (!details.ExamId.HasValue)
{
return(RedirectToAction("GlobalStatistics", "Statistics", details));
}
return(RedirectToAction("Statistics", "Statistics", details));
}
ViewBag.ExamID = new SelectList(_db.Exams, "ID", "Name", string.Empty);
return(View(details));
}
