protected void btnNext_Click(object sender, EventArgs e)
{
if (rblAnswers.SelectedIndex != -1)
{
int quizID = Convert.ToInt32(Request.QueryString["id"]);
User currentUser = (User)Session["currentUser"];
//handle question counter
int counter = (int)Session["questionCounter"];
counter++;
lblQnNum.Text = counter.ToString();
Session["questionCounter"] = counter;
//handle remaining questions
List <QuizQuestion> remainingQuestions = (List <QuizQuestion>)Session["remainingQuestions"];
remainingQuestions.RemoveAt(0);
Session["remainingQuestions"] = remainingQuestions;
//handle current question and answer
QuizResultHistory currentAnswer = new QuizResultHistory();
QuizResultHistoryDAO qrhDAO = new QuizResultHistoryDAO();
QuizQuestionDAO qqDAO = new QuizQuestionDAO();
QuizQuestion currentQuestion = (QuizQuestion)Session["previousQuestion"];
QuizAnswer currentSelectedAnswer = new QuizAnswer(Convert.ToInt32(rblAnswers.SelectedValue), currentQuestion, rblAnswers.SelectedItem.Text);
int attempt = qrhDAO.getAttemptForQuiz(currentQuestion.getQuizQuestionID());
attempt++;
currentAnswer.setAttempt(attempt);
currentAnswer.setUserID(currentUser.getUserID());
currentAnswer.setQuestion(currentQuestion);
currentAnswer.setAnswer(currentSelectedAnswer);
currentAnswer.setQuizID(quizID);
List <QuizResultHistory> userAnswers = (List <QuizResultHistory>)Session["userAnswers"];
userAnswers.Add(currentAnswer);
Session["userAnswers"] = userAnswers;
if (remainingQuestions.Count > 0)
{
//handle displaying next qn
QuizQuestion nextQuestion = remainingQuestions[0];
Session["previousQuestion"] = nextQuestion;
QuizAnswerDAO qaDAO = new QuizAnswerDAO();
List <QuizAnswer> nextPossibleAnswers = qaDAO.getAllQuizAnswersByQuizQuestionID(nextQuestion.getQuizQuestionID());
lblQuestion.Text = nextQuestion.getQuestion();
rblAnswers.Items.Clear();
foreach (QuizAnswer qa in nextPossibleAnswers)
{
rblAnswers.Items.Add(new ListItem(qa.getAnswer(), qa.getQuizAnswerID().ToString()));
}
}
if (remainingQuestions.Count == 1)
{
btnFinish.Visible = true;
btnNext.Visible = false;
}
}
}
protected void btnStartQuiz_Click(object sender, EventArgs e)
{
QuizDAO quizDAO = new QuizDAO();
String id_str = Request.QueryString["id"];
int id_num = int.Parse(id_str);
Quiz currentQuiz = quizDAO.getQuizByID(id_num);
List <QuizResultHistory> userAnswers = new List <QuizResultHistory>();
Session["userAnswers"] = userAnswers;
List <QuizQuestion> remainingQuestions = (List <QuizQuestion>)Session["remainingQuestions"];
QuizQuestion currentQuestion = remainingQuestions[0];
Session["previousQuestion"] = currentQuestion;
QuizAnswerDAO qaDAO = new QuizAnswerDAO();
List <QuizAnswer> currentPossibleAnswers = qaDAO.getAllQuizAnswersByQuizQuestionID(currentQuestion.getQuizQuestionID());
Session["timeLeft"] = DateTime.Now.AddSeconds(currentQuiz.getTimeLimit());
lblQuestion.Text = currentQuestion.getQuestion();
rblAnswers.Items.Clear();
foreach (QuizAnswer qa in currentPossibleAnswers)
{
rblAnswers.Items.Add(new ListItem(qa.getAnswer(), qa.getQuizAnswerID().ToString()));
}
panelQuiz.Visible = true;
panelStartQuiz.Visible = false;
if (remainingQuestions.Count == 1)
{
btnFinish.Visible = true;
btnNext.Visible = false;
}
else
{
btnFinish.Visible = false;
btnNext.Visible = true;
}
}
protected void btnConfirmSubmit_Click(object sender, EventArgs e)
{
//to do validation
Page.Validate("ValidateFormTwo");
if (!Page.IsValid)
{
}
else
{
//add the last question
List <QuizQuestion> allQuestions = (List <QuizQuestion>)Session["allQuestions"];
QuizQuestion newQuestion = new QuizQuestion();
newQuestion.setQuestion(txtQuizQuestion.Text);
QuizAnswer answer1 = new QuizAnswer();
answer1.setAnswer(txtOptionOne.Text);
QuizAnswer answer2 = new QuizAnswer();
answer2.setAnswer(txtOptionTwo.Text);
QuizAnswer answer3 = new QuizAnswer();
answer3.setAnswer(txtOptionThree.Text);
QuizAnswer answer4 = new QuizAnswer();
answer4.setAnswer(txtOptionFour.Text);
List <QuizAnswer> allAnswersForLastQn = new List <QuizAnswer>();
allAnswersForLastQn.Add(answer1);
allAnswersForLastQn.Add(answer2);
allAnswersForLastQn.Add(answer3);
allAnswersForLastQn.Add(answer4);
newQuestion.setAllAnswers(allAnswersForLastQn);
if (ddlCorrectAns.SelectedValue.Equals("1"))
{
newQuestion.setQuizAnswer(answer1);
}
else if (ddlCorrectAns.SelectedValue.Equals("2"))
{
newQuestion.setQuizAnswer(answer2);
}
else if (ddlCorrectAns.SelectedValue.Equals("3"))
{
newQuestion.setQuizAnswer(answer3);
}
else
{
newQuestion.setQuizAnswer(answer4);
}
allQuestions.Add(newQuestion);
QuizDAO quizDAO = new QuizDAO();
QuizAnswerDAO qaDAO = new QuizAnswerDAO();
QuizQuestionDAO qqDAO = new QuizQuestionDAO();
Course_elearnDAO ceDAO = new Course_elearnDAO();
Course_elearn currentCourse = ceDAO.get_course_by_id(Convert.ToInt32(Request.QueryString["id"]));
//create quiz
List <string> part1 = (List <string>)Session["createQuiz1"];
Quiz newQuiz = new Quiz();
newQuiz.setTitle(part1[0]);
newQuiz.setDescription(part1[1]);
newQuiz.setMainCourse(currentCourse);
newQuiz.setPassingGrade(Convert.ToInt32(txtNumCorrectAns.Text));
newQuiz.setStatus("active");
if (ddlRandomize.SelectedValue.Equals("y"))
{
newQuiz.setRandomOrder("y");
}
else
{
newQuiz.setRandomOrder("n");
}
newQuiz.setTimeLimit(Convert.ToInt32(txtTimeLimit.Text));
if (rdlAttempt.SelectedValue.Equals("unlimited"))
{
newQuiz.setMultipleAttempts("y");
newQuiz.setNumberOfAttempts(0);
}
else
{
newQuiz.setMultipleAttempts("n");
newQuiz.setNumberOfAttempts(Convert.ToInt32(txtNoOfAttempt.Text));
}
newQuiz.setDisplayAnswer(ddlDisplayAnswer.SelectedValue);
int quizID = quizDAO.createQuiz(newQuiz);
//add prerequisites
List <int> prereqIDlist = (List <int>)Session["selectedPrereq"];
foreach (int prereqID in prereqIDlist)
{
quizDAO.insertPrerequisite(quizID, prereqID);
}
//create question and answer
foreach (QuizQuestion question in allQuestions)
{
question.setQuiz(quizDAO.getQuizByID(quizID));
int questionID = qqDAO.createQuizQuestion(question);
QuizQuestion currentQuestion = qqDAO.getQuizQuestionByID(questionID);
List <QuizAnswer> allAnswers = question.getAllAnswers();
foreach (QuizAnswer answer in allAnswers)
{
answer.setQuizQuestion(currentQuestion);
int answerID = qaDAO.createQuizAnswer(answer);
if (question.getQuizAnswer().getAnswer().Equals(answer.getAnswer()))
{
qqDAO.updateCorrectAnswerID(questionID, answerID);
}
}
}
//set audit
User currentUser = (User)Session["currentUser"];
setAudit(currentUser, "quiz", "create", quizID.ToString(), "quiz title: " + newQuiz.getTitle());
Response.Redirect($"quizSummary.aspx?id={quizID}");
}
}
