public void DeleteQuestion(UIQuestion question)
{
var s = DbContext.Questions.FirstOrDefault(x => x.Id == question.Id);
if (s != null)
{
DbContext.Questions.Remove(s);
DbContext.SaveChanges();
}
}
public List <UIAnswer> GetAnswers(UIQuestion question)
{
if (question != null)
{
var s = DbContext.Questions.FirstOrDefault(x => x.Id == question.Id);
if (s.Answers != null)
{
return(s.Answers.Select(x => new UIAnswer(x.AnswerText, x.IsCorrect, x.Id)).ToList());
}
}
return(new List <UIAnswer>());
}
public void SaveQuestion(UIQuestion question, UITest test)
{
if (question.Id < 0)
{
var t = DbContext.Tests.Include("Questions").FirstOrDefault(x => x.Id == test.id);
if (t != null)
{
var quest = new Question(question.QuestionText);
t.Questions.Add(quest);
DbContext.SaveChanges();
}
}
else
{
var s = DbContext.Questions.FirstOrDefault(x => x.Id == question.Id);
s.QuestionText = question.QuestionText;
DbContext.SaveChanges();
}
}
public void SaveAnswer(UIAnswer answer, UIQuestion question)
{
if (answer.Id < 0)
{
var t = DbContext.Questions.FirstOrDefault(x => x.Id == question.Id);
if (t != null)
{
var ans = new Answer(answer.AnswerText, answer.IsCorrect);
t.Answers.Add(ans);
DbContext.SaveChanges();
}
}
else
{
var s = DbContext.Answers.FirstOrDefault(x => x.Id == answer.Id);
s.AnswerText = answer.AnswerText;
s.IsCorrect = answer.IsCorrect;
DbContext.SaveChanges();
}
}