/// <summary>
/// Resets list of questions after filtering.
/// </summary>
public void ResetQuestionList()
{
foreach (var subject in SubjectQuestions)
{
if (!QuestionsToFilter.Contains(subject))
{
QuestionsToFilter.Add(subject);
}
}
}
/// <summary>
/// Used to display questions thats only related to the given course
/// </summary>
/// <param name="course"></param>
public async void GetQuestionsForTest(string course)
{
QuestionsToFilter.Clear();
SubjectQuestions = await ApiHelper.Instance.GetQuestion(course);
foreach (Question questionTofilter in SubjectQuestions)
{
QuestionsToFilter.Add(questionTofilter);
}
}
/// <summary>
/// We filter our list with questions by a questions QuestionType depending on the parameters given by the user
/// </summary>
/// <param name="type"></param>
/// <param name="point"></param>
public void FilterQuestionByType(string type, string point)
{
ResetQuestionList();
foreach (var filtered in QuestionsToFilter.ToList())
{
if (type == "Alla") //If the user choose to se all questions then we dont remove anything.
{
}
else if (filtered.QuestionType != type) //If the questions QuestionType doesnt match, we remove it.
{
QuestionsToFilter.Remove(filtered);
}
if (point != "" && point != "Alla")
{
if (filtered.PointValue != int.Parse(point))
{
QuestionsToFilter.Remove(filtered);
}
}
}
}
/// <summary>
/// We filter our list with questions by a questions PointValue depending on the parameters given by the user
/// </summary>
/// <param name="point"></param>
/// <param name="type"></param>
public void FilterQuestionByPoint(string point, string type)
{
ResetQuestionList();
foreach (var filtered in QuestionsToFilter.ToList())
{
if (point == "Alla")
{
}
else if (filtered.PointValue.ToString() != point)
{
QuestionsToFilter.Remove(filtered);
}
if (type != "" && type != "Alla")
{
if (filtered.QuestionType != type)
{
QuestionsToFilter.Remove(filtered);
}
}
}
}
/// <summary>
/// Removing question that the user picked
/// </summary>
/// <param name="question"></param>
public void RemoveQuestionFromTest(Question question)
{
CreatedTest.Questions.Remove(question);
QuestionsToFilter.Add(question);
CreatedTest.MaxPoints -= question.PointValue;
}
/// <summary>
/// Adding question that the user picked
/// </summary>
/// <param name="question"></param>
public void AddQuestionToTest(Question question)
{
CreatedTest.Questions.Add(question);
QuestionsToFilter.Remove(question);
CreatedTest.MaxPoints += question.PointValue;
}
/// <summary>
/// Method to reset the object after posting the Test to DB
/// </summary>
public void ResetTest()
{
CreatedTest.Questions.Clear();
QuestionsToFilter.Clear();
CreatedTest.Questions.Clear();
}
