public static TestCreationViewModel TransformToTestCreationViewModel(Test test)
{
var viewModel = new TestCreationViewModel();
viewModel.Id = test.Id;
viewModel.Topic = test.Topic;
viewModel.Questions = new List <QuestionCreationViewModel>();
foreach (var question in test.Questions
.Where(x => x is MathQuestion)
.Select(x => x as MathQuestion)
.ToList())
{
viewModel.Questions.Add(new QuestionCreationViewModel
{
Id = question.Id,
Text = question.Text,
TestId = question.TestId,
Position = question.Position,
Points = question.Points,
CorrectAnswer = question.CorrectAnswer,
Type = "MathQuestion"
});
}
foreach (var question in test.Questions
.Where(x => x is MultipleChoiceQuestion)
.Select(x => x as MultipleChoiceQuestion)
.ToList())
{
viewModel.Questions.Add(new QuestionCreationViewModel
{
Id = question.Id,
Text = question.Text,
TestId = question.TestId,
Position = question.Position,
Points = question.Points,
Choices = question.Choices,
Type = "MultipleChoiceQuestion"
});
}
viewModel.Questions = viewModel.Questions.OrderBy(x => x.Position).ToList();
foreach (var question in viewModel.Questions)
{
question.Test = test;
}
return(viewModel);
}
public static Test TransformToTest(TestCreationViewModel viewModel)
{
var test = new Test();
test.Id = viewModel.Id;
test.Topic = viewModel.Topic;
test.Questions = new List <Question>();
if (viewModel.Questions != null)
{
foreach (var question in viewModel.Questions
.Where(x => x.Type == "MathQuestion")
.ToList())
{
test.Questions.Add(new MathQuestion
{
Id = question.Id,
Text = question.Text,
TestId = question.TestId,
Position = question.Position,
Points = question.Points,
CorrectAnswer = question.CorrectAnswer
});
}
foreach (var question in viewModel.Questions
.Where(x => x.Type == "MultipleChoiceQuestion")
.ToList())
{
test.Questions.Add(new MultipleChoiceQuestion
{
Id = question.Id,
Text = question.Text,
TestId = question.TestId,
Position = question.Position,
Points = question.Points,
Choices = question.Choices
});
}
}
return(test);
}
