public QuestionSave(PerQuestionView view, QuizContext cx)
{
View = view;
var question = cx.Questions.Find(view.Question.Id);
QuestionId = question.Id;
View.Test = new TestView()
{
Quiz = question.Quiz,
Question = question,
Model = XmlBase.Deserialize(question.XmlObject, question.TypeName),
Save = view.QuestionData
};
var xmlQuestion = XmlBase.Deserialize(question.XmlObject, question.TypeName);
var answerType = XmlBase.GetType(((IAnswerName)xmlQuestion).GetTypeName());
var answerInstance = (XmlBase)Activator.CreateInstance(answerType);
((IParseAnswer)answerInstance).ParseAnswer(view.QuestionData.Answers);
Answer = answerInstance;
}
private void PerQuestion()
{
PerQuestionView model = null;
Question question = null;
if (_quiz.Type == QuizType.Adaptive)
{
question = _helper.GetQuestion_Adaptive(_quiz, null, null, out bool isFinish, true);
model = new PerQuestionView()
{
Question = question,
Test = _helper.CreateTestView(question),
QuestionData = new AnswerBaseView()
};
SessionSave = new TestSave(_cx);
}
else
{
var testSave = _helper.CreateWholeTest(_quiz);
SessionSave = testSave;
question = _cx.Questions.Find(SessionSave.QuestionOrders[0]);
model = testSave.QuestionSaves[question.Id].View;
}
model = _helper.SetNavigation(model, question, SessionSave);
PerQuestionModel = model;
}
public void Update(PerQuestionView view)
{
if (QuestionSaves.Keys.Contains(view.Question.Id))
{
QuestionSaves.Remove(view.Question.Id);
}
QuestionSaves.Add(view.Question.Id, new QuestionSave(view, _cx));
}
/// <summary>
/// to initialize all test (need for time limit save)
/// Not using for Adaptive quiz
/// </summary>
public TestSave CreateWholeTest(Quiz quiz)
{
var sections = cx.Sections.Where(x => x.Quiz.Id == quiz.Id).ToList();
if (quiz.TestingType == QuizTestingType.PerSection)
{
var views = new List <SectionView>();
foreach (var section in sections)
{
var view = new SectionView()
{
QuizId = quiz.Id,
SectionId = section.Id,
Section = section,
SectionData = new List <AnswerBaseView>(),
};
var questions = GetRandomSectionQuestions(section.Id);
view.Tests = CreateTestViews(questions, quiz);
views.Add(view);
}
return(new TestSave(cx, views));
}
else if (quiz.TestingType == QuizTestingType.PerQuestion)
{
var views = new List <PerQuestionView>();
foreach (var section in sections)
{
var questions = GetRandomSectionQuestions(section.Id);
foreach (var question in questions)
{
var view = new PerQuestionView()
{
Question = question,
Test = CreateTestView(question),
QuestionData = new AnswerBaseView(),
};
views.Add(view);
}
}
return(new TestSave(cx, views));
}
//Are you added new enum?
throw new NotImplementedException();
}
public PerQuestionView SetNavigation(PerQuestionView model, Question question, TestSave testSave)
{
var quiz = question.Quiz;
if (testSave.QuestionOrders.IndexOf(question.Id) ==
testSave.QuestionOrders.Count - 1)
{
model.IsFinish = true;
if (testSave.QuestionOrders.Count > 1)
{
model.PrevVisibility = true;
}
}
else
{
model.PrevVisibility = true;
model.NextVisibility = true;
if (testSave.QuestionOrders.IndexOf(question.Id) == 0)
{
model.PrevVisibility = false;
}
}
if (quiz.Type == QuizType.Adaptive)
{
model.PrevVisibility = false;
model.IsFinish = false;
model.NextVisibility = true;
}
if (quiz.TimeLimitType == QuizTimeLimitType.QuestionLimited)
{
model.PrevVisibility = false;
}
return(model);
}
public ActionResult TestQuestion(PerQuestionView view)
{
//saving session
var testSave = (TestSave)Session["save"];
view.Question = cx.Questions.Find(view.Question.Id);
testSave.Update(view);
Session["save"] = testSave;
//choosing action
helper.ChooseAction(
view.Question,
Request.Form["btnSubmit"],
testSave,
out bool isFinish, out Question nextQuestion);
//finish view
if (isFinish)
{
var finishView = new FinishView()
{
Quiz = view.Question.Quiz,
};
var usedSections = new List <Section>();
foreach (var question in testSave.QuestionSaves.
Select(x => cx.Questions.Find(x.Key)).
ToList())
{
if (usedSections.Any(x => x.Id == question.Section.Id))
{
continue;
}
usedSections.Add(question.Section);
}
var sectionAnswersList = new List <SectionAnswersView>();
foreach (var section in usedSections)
{
var sectionAnswers = new SectionAnswersView()
{
Section = section,
QuestionIndex_IsInit = new Dictionary <int, bool>()
};
int index = 1;
var sectionIds = cx.Questions.
Where(x => x.Section.Id == section.Id).
Select(y => y.Id).ToList();
foreach (var questionAnswer in testSave.QuestionSaves.
Where(x => sectionIds.Contains(x.Key)).ToList())
{
sectionAnswers.QuestionIndex_IsInit.Add(
index,
((IParseAnswer)questionAnswer.Value.Answer).IsValid()
);
index++;
}
sectionAnswersList.Add(sectionAnswers);
}
finishView.SectionAnswers = sectionAnswersList;
ModelState.Clear();
bool isEnded = false;
if (Request.Form["btnSubmit"] == "QuizTime" ||
Request.Form["btnSubmit"] == "QuestionTime")
{
isEnded = true;
}
ViewBag.isEnded = isEnded;
return(PartialView("Finish", finishView));
}
//create model
PerQuestionView model = null;
if (testSave.QuestionSaves.ContainsKey(nextQuestion.Id))
{
model = testSave.QuestionSaves[nextQuestion.Id].View;
}
else
{
model = new PerQuestionView()
{
Question = nextQuestion,
};
model.Test = helper.CreateTestView(nextQuestion);
}
model = helper.SetNavigation(model, nextQuestion, testSave);
ModelState.Clear();
return(PartialView("TestQuestion", model));
}
