public TestGenerateViewModel GetGenerateViewModel(TestViewModel test)
{
TestGenerateViewModel model = new TestGenerateViewModel
{
Theme = new SelectList(Database.Themes.GetAll(), "IdTheme", "ThemeName")
};
return(model);
}
public ActionResult GenerateTest(TestGenerateViewModel model)
{
if (ModelState.IsValid)
{
if (!model.Create)
{
return(View(_testService.GenerateTest(model)));
}
else
{
_testService.GenerateTest(model);
return(RedirectToAction("GetInfoTest", "Test"));
}
}
else
{
return(View(model));
}
}
public TestGenerateViewModel GenerateTest(TestGenerateViewModel model)
{
if (model.Create)
{
Test generateTest = new Test
{
Difficult = model.selectedDifficult,
IdTheme = Int32.Parse(model.selectedTheme),
TestDescription = model.TestDescription,
TestName = model.TestName,
CreateDate = DateTime.Now,
Time = new TimeSpan(0, model.selectedTime, 0),
QuestionsNumber = model.selectedNumber,
};
generateTest.Questions = new List <Question>();
foreach (QuestionViewModel question in model.Questions)
{
generateTest.Questions.Add((Database.Questions.Get(question.IdQuestion)));
generateTest.TotalScore += Database.Questions.Get(question.IdQuestion).Score;
}
Database.Tests.Add(generateTest);
Database.Complete();
return(null);
}
else
{
model.Questions.Clear();
Random randomGenerate = new Random();
var questionsId = Database.Questions.GetAll().
Where(x => x.Difficult == model.selectedDifficult &&
x.IdTheme == Int32.Parse(model.selectedTheme)).
Select(x => x.IdQuestion).
OrderBy(x => randomGenerate.Next()).
Take((int)Math.Round(model.selectedNumber * 0.8));
List <int> questions_1 = questionsId.ToList();
var questionsIdAdding = Database.Questions.GetAll().
Where(x => x.Difficult != model.selectedDifficult ||
x.IdTheme != Int32.Parse(model.selectedTheme)).
Select(x => x.IdQuestion).
OrderBy(x => randomGenerate.Next()).
Take(model.selectedNumber - questions_1.Count());
List <int> questions_2 = questionsIdAdding.ToList();
foreach (int id in questions_1.Concat(questions_2))
{
model.Questions.Add(MapperFromDB.Map <QuestionViewModel>(Database.Questions.Get(id)));
}
model.Theme = new SelectList(Database.Themes.GetAll(), "IdTheme", "ThemeName");
return(model);
}
}
