public ActionResult EditQuiz(int?id)
{
using (var _context = new TRACNGHIEM_ONLINEEntities())
{
var q = _context.Quizs.SingleOrDefault(n => n.ID_Quiz == id);
return(View(q));
}
}
public ActionResult Search(string sTuKhoa)
{
using (var _context = new TRACNGHIEM_ONLINEEntities())
{
var lstQuiz = _context.Quizs.Where(x => x.Title.Contains(sTuKhoa)).ToList();
return(PartialView(lstQuiz.OrderBy(n => n.ID_Quiz)));
}
}
public ActionResult AddQuiz(QuizViewModel quiz, IEnumerable <QuestionViewModel> modelQuestion, IEnumerable <AnswerViewModel> modelAnswer)
{
using (var _context = new TRACNGHIEM_ONLINEEntities())
{
Quiz q = new Quiz();
List <Question> lstQuestion = new List <Question>();
List <Answer> lstAnswer = new List <Answer>();
var id_Quiz = _context.Quizs.ToList().Count();
if (id_Quiz == 0)
{
q.ID_Quiz = 1;
}
else
{
q.ID_Quiz = id_Quiz + 1;
}
q.Title = quiz.Title;
q.Keys = quiz.Keys;
q.Time_Start = quiz.Time_Start;
q.Time_Finish = quiz.Time_Finish;
q.Time = quiz.Time;
//q.Creator = quiz.Creator;
q.Creator = 1;
q.Allow_Attemp = 1;
_context.Quizs.Add(q);
_context.SaveChanges();
//Question
foreach (var item in modelQuestion)
{
if (item.ID_Question != 0)
{
Question i = new Question();
i.ID_Quiz = q.ID_Quiz;
i.ID_Question = item.ID_Question;
i.Content_of_Question = item.Content_of_Question;
i.Type_of_Question = item.Type_of_Question;
i.Score = item.Score;
lstQuestion.Add(i);
}
}
_context.Questions.AddRange(lstQuestion);
_context.SaveChanges();
//Answer
foreach (var item in modelAnswer)
{
Answer a = new Answer();
a.ID_Quiz = q.ID_Quiz;
a.ID_Question = item.ID;
a.Answer1 = item.Answer;
a.Correct_Answer = item.Correct_Answer == true ? true : false;
lstAnswer.Add(a);
}
_context.Answers.AddRange(lstAnswer);
_context.SaveChanges();
}
return(View());
}
public ActionResult DeleteQuiz(int?id)
{
using (var _context = new TRACNGHIEM_ONLINEEntities())
{
_context.Quizs.Remove(_context.Quizs.SingleOrDefault(n => n.ID_Quiz == id));
_context.SaveChanges();
}
return(RedirectToAction("Quiz"));
}
public ActionResult Quiz()
{
IEnumerable <Quiz> lstQuiz;
using (var _context = new TRACNGHIEM_ONLINEEntities())
{
lstQuiz = _context.Quizs.ToList();
}
return(View(lstQuiz));
}
public ActionResult EditQuestion(int?id)
{
using (var _context = new TRACNGHIEM_ONLINEEntities())
{
var q = _context.Questions.SingleOrDefault(n => n.ID_Question == id);
var a = _context.Answers.ToList().Where(n => n.ID_Question == id);
ViewBag.Answers = a;
ViewBag.Id = q.ID_Quiz;
return(View(q));
}
}
public ActionResult UpdateQuiz(Quiz q)
{
Quiz update = new Quiz();
using (var _context = new TRACNGHIEM_ONLINEEntities())
{
update = q;
_context.Quizs.AddOrUpdate(update);
_context.SaveChanges();
}
return(RedirectToAction("Quiz"));
}
public ActionResult Question(int?id)
{
IEnumerable <Question> lstQuestion;
IEnumerable <Answer> lstAnswer;
using (var _context = new TRACNGHIEM_ONLINEEntities())
{
lstQuestion = _context.Questions.ToList().Where(n => n.ID_Quiz == id);
lstAnswer = _context.Answers.ToList().Where(n => n.ID_Quiz == id);
}
ViewBag.Answers = lstAnswer;
return(View(lstQuestion));
}
public ActionResult UpdateQuestion(Question q, IEnumerable <AnswerViewModel> a)
{
Question qupdate = new Question();
List <Answer> aupdate = new List <Answer>();
foreach (var item in a)
{
Answer i = new Answer();
i.ID_Quiz = q.ID_Quiz;
i.ID_Question = item.ID;
i.Answer1 = item.Answer;
i.Correct_Answer = item.Correct_Answer == true ? true : false;
aupdate.Add(i);
}
using (var _context = new TRACNGHIEM_ONLINEEntities())
{
qupdate = q;
_context.Questions.AddOrUpdate(qupdate);
_context.Answers.RemoveRange(_context.Answers.ToList().Where(n => n.ID_Quiz == q.ID_Quiz && n.ID_Question == q.ID_Question));
_context.Answers.AddRange(aupdate);
_context.SaveChanges();
}
return(RedirectToAction("Question", new { id = q.ID_Quiz }));
}
