public Question Update(Question question)
{
this.questions.Update(question);
this.questions.SaveChanges();
return question;
}
public List<Question> GetListQuestions()
{
List<Question> questionsList = new List<Question>();
XmlDocument doc = new XmlDocument();
doc.Load("Quiz.xml");
XmlNode node = doc.SelectSingleNode("quiz");
XmlNodeList questions = node.SelectNodes("question");
foreach (XmlNode question in questions)
{
Question _question = new Question();
_question.QuestionText = question.FirstChild.InnerText;
for (int i = 0; i < question.LastChild.ChildNodes.Count; i++)
{
_question.Answers[i] = question.LastChild.ChildNodes[i].InnerText;
if (question.LastChild.ChildNodes[i].Name == "correctAnswer")
_question.CorrectAnswer = i+1;
}
questionsList.Add(_question);
}
return questionsList;
}
public Question Add(Question question)
{
this.questions.Add(question);
this.questions.SaveChanges();
return question;
}
public void QuizReturnNotNullTest()
{
Question question = new Question();
List<Question> questions = question.GetListQuestions();
Assert.IsNotNull(questions);
}
public IHttpActionResult PutQuestion(int id, Question question)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (id != question.ID)
{
return BadRequest();
}
db.Entry(question).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
if (!QuestionExists(id))
{
return NotFound();
}
else
{
throw;
}
}
return StatusCode(HttpStatusCode.NoContent);
}
public IHttpActionResult PostQuestion(Question question)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
db.Questions.Add(question);
db.SaveChanges();
return CreatedAtRoute("DefaultApi", new { id = question.ID }, question);
}
public Question GetNext(Question question, string possibleAnswerContent)
{
string nextQuestionContent;
if (question.IsDependsOn)
{
nextQuestionContent = question.Content + "|" + possibleAnswerContent;
}
else
{
nextQuestionContent = question.Content;
}
return this.questions.All()
.FirstOrDefault(q => q.ParentContent == nextQuestionContent && q.SurveyId == question.SurveyId);
}
void GotoNextQuestion()
{
if (question_nr >= questions.Count - 1)
{
this.specialButton1.Enabled = true;
this.specialButton2.Enabled = false;
}
currentQuestion = LoadQuestions(question_nr);
this.r1.Text = currentQuestion.Answers[0];
this.r2.Text = currentQuestion.Answers[1];
this.r3.Text = currentQuestion.Answers[2];
this.r4.Text = currentQuestion.Answers[3];
this.richTextBox1.Text = currentQuestion.QuestionText;
question_nr++;
}
private List<Question> LoadAllQuestion()
{
Question question = new Question();
return question.GetListQuestions();
}