public void EditQuiz(int id, Quiz quizNew)
{
using (var db = new QuizDbContext())
{
foreach (var item in quizNew.Questions)
{
if (item.QuestionId == 0)
{
db.QuestionTable.Add(item);
}
else
{
foreach (var answer in item.Answers)
{
if (answer.AnswerId == 0)
{
db.AnswerTable.Add(answer);
}
else
{
db.Entry(answer).State = EntityState.Modified;
}
}
db.Entry(item).State = EntityState.Modified;
}
}
db.QuizTable.Attach(quizNew);
db.Entry(quizNew).State = EntityState.Modified;
db.SaveChanges();
}
}
public Answer GetAnswerById(int id)
{
using(var db = new QuizDbContext())
{
return db.AnswerTable.Find(id);
}
}
public void AddQuiz(Quiz newQuiz)
{
using (var db = new QuizDbContext())
{
db.QuizTable.Add(newQuiz);
db.SaveChanges();
}
}
public void DeleteContent(int id)
{
using (var db = new QuizDbContext())
{
var quizToDelete = db.QuizTable.Find(id);
db.QuizTable.Remove(quizToDelete);
db.SaveChanges();
}
}
public List<Quiz> GetQuizAll()
{
using (var db = new QuizDbContext())
{
var quizList = from quiz in db.QuizTable
select quiz;
return quizList.ToList();
}
}
public QuestionViewModel GetQuestions(int id)
{
using (var db = new QuizDbContext())
{
var qList = db.QuestionTable
.Where(question => question.QuizId == id)
.Include(question => question.Answers)
.ToList();
return new QuestionViewModel(qList[_randy.Next(0, qList.Count)]);
}
}
public Quiz GetQuizById(int id)
{
using (var db = new QuizDbContext())
{
var quiz = db.QuizTable.Find(id);
db.Entry(quiz).Collection(q => q.Questions).Load();
foreach (var item in quiz.Questions)
{
var question = db.QuestionTable.Find(item.QuestionId);
db.Entry(question).Collection(quest => quest.Answers).Load();
}
return quiz;
}
}
public void LoadQuizSample()
{
Quiz newQuiz = new Quiz()
{
Title = "Objects and Classes",
Topic = "Javascript",
Active = false,
Questions = new List <Question>
{
new Question
{
QuestionId = 1,
QuizId = 1,
Content = "What is your name?",
Answers = new List <Answer>
{
new Answer {
AnswerId = 1,
QuestionId = 1,
Content = "Wilmer",
IsCorrect = false
},
new Answer
{
AnswerId = 2,
QuestionId = 1,
Content = "Bob",
IsCorrect = false
},
new Answer
{
AnswerId = 3,
QuestionId = 1,
Content = "Ricky",
IsCorrect = false
},
new Answer
{
AnswerId = 4,
QuestionId = 1,
Content = "Cristian",
IsCorrect = true
}
}
},
new Question
{
QuestionId = 2,
QuizId = 1,
Content = "What state are we located in?",
Answers = new List <Answer>
{
new Answer {
AnswerId = 1,
QuestionId = 2,
Content = "Florida",
IsCorrect = false
},
new Answer
{
AnswerId = 2,
QuestionId = 2,
Content = "Kansas",
IsCorrect = false
},
new Answer
{
AnswerId = 3,
QuestionId = 2,
Content = "Georgia",
IsCorrect = true
},
new Answer
{
AnswerId = 4,
QuestionId = 2,
Content = "Texas",
IsCorrect = false
}
}
}
}
};
AddQuiz(newQuiz);
using (var db = new QuizDbContext())
{
//Quiz quizOne = new Quiz
//{
// Title = "Random Test Questions",
// Topic = "Testing",
// Questions = new List<Question>
// {
// new Question {
// Content = "What area are we located in?",
// Answers = new List<Answer> {
// new Answer { Content = "Norcross" , IsCorrect = false},
// new Answer { Content = "Dalton" , IsCorrect = false },
// new Answer { Content = "Lilburn", IsCorrect = true },
// new Answer { Content = "Kenessaw", IsCorrect = false }
// }
// }
// }
//};
//db.QuizTable.Add(quizOne);
//db.SaveChanges();
var quizList = from quiz in db.QuizTable
select quiz;
foreach (var item in quizList)
{
AddQuiz(item);
}
}
}