public void UpdateQuizQuestion(QuizQuestion quizQuestion)
{
var ctx = QuizlrContext.Current;
ctx.QuizQuestions.Attach(quizQuestion);
ctx.Entry(quizQuestion).State = EntityState.Modified;
ctx.SaveChanges();
}
public QuizQuestion CreateQuizQuestion(QuizQuestion quizQuestion)
{
var ctx = QuizlrContext.Current;
ctx.QuizQuestions.Add(quizQuestion);
ctx.SaveChanges();
return quizQuestion;
}
public static Quiz Generate()
{
var category = new Category {CategoryId = 1, Name = "FooBar"};
var quiz = new Quiz {QuizId = 1, Name = "FooBar"};
var questions = new List<Question>
{
new Question
{
QuestionId = 1,
Text = "Foo",
Category = category,
Answers = new List<Answer>
{
new Answer {AnswerId = 1, Text = "Foo", IsCorrect = true},
new Answer {AnswerId = 2, Text = "Bar", IsCorrect = false}
}
},
new Question
{
QuestionId = 2,
Text = "Bar",
Category = category,
Answers = new List<Answer>
{
new Answer {AnswerId = 3, Text = "Foo", IsCorrect = true},
new Answer {AnswerId = 4, Text = "Bar", IsCorrect = false}
}
}
};
var quizQuestions = new List<QuizQuestion>();
foreach (var question in questions)
{
var quizQuestion = new QuizQuestion
{
QuizId = quiz.QuizId,
Quiz = quiz,
QuestionId = question.QuestionId,
Question = question
};
question.QuizQuestions = quizQuestions;
quizQuestions.Add(quizQuestion);
}
quiz.QuizQuestions = quizQuestions;
return quiz;
}
public void DeleteQuizQuestion(QuizQuestion quizQuestion)
{
var ctx = QuizlrContext.Current;
ctx.QuizQuestions.Remove(quizQuestion);
ctx.SaveChanges();
}
private void IncludeQuestion()
{
var tmp = SelectedExcludedQuestion;
ExcludedQuestions.Remove(tmp);
IncludedQuestions.Add(tmp);
var qq = new QuizQuestion
{
QuizId = SelectedQuiz.QuizId,
QuestionId = tmp.QuestionId
};
_quizQuestionRepository.CreateQuizQuestion(qq);
SelectedQuiz.QuizQuestions.Add(qq);
Invalidate();
}
