public DalTest GetById(int key)
{
Test test = context.Set<Test>().FirstOrDefault(t => t.Id == key);
DalTest dalTest = new DalTest()
{
Id = test.Id,
Name = test.Name,
Questions = new List<DalQuestion>()
};
foreach (var question in test.Questions)
{
DalQuestion dalQuestion = new DalQuestion()
{
Id = question.Id,
Text = question.Text,
Options = new List<DalOption>()
};
foreach (var option in question.Options)
{
DalOption dalOption = new DalOption()
{
Id = option.Id,
IsAnswer = option.IsAnswer,
QuestionId = option.QuestionId,
Text = option.Text
};
dalQuestion.Options.Add(dalOption);
}
dalTest.Questions.Add(dalQuestion);
}
return dalTest;
}
public IEnumerable<DalQuestion> GetAll()
{
List<Question> questions = context.Set<Question>().ToList();
List<DalQuestion> dalQuestions = new List<DalQuestion>();
foreach (var question in questions)
{
DalQuestion dalQuestion = new DalQuestion()
{
Id = question.Id,
Text = question.Text,
Options = new List<DalOption>()
};
foreach (var option in question.Options)
{
DalOption dalOption = new DalOption()
{
Id = option.Id,
IsAnswer = option.IsAnswer,
QuestionId = option.QuestionId,
Text = option.Text
};
dalQuestion.Options.Add(dalOption);
}
dalQuestions.Add(dalQuestion);
}
return dalQuestions;
}
public void Create(DalQuestion e)
{
Question question = new Question()
{
Text = e.Text,
Options = new List<Option>()
};
foreach (DalOption dalOption in e.Options)
{
Option option = new Option()
{
Question = question,
IsAnswer = dalOption.IsAnswer,
Text = dalOption.Text
};
question.Options.Add(option);
}
context.Set<Question>().Add(question);
context.SaveChanges();
}
public void Delete(DalQuestion e)
{
throw new NotImplementedException();
}
public void Update(DalQuestion entity)
{
Question original = context.Set<Question>()
.Include(x => x.Options)
.Single(c => c.Id == entity.Id);
context.Entry(original).CurrentValues.SetValues(entity);
foreach (var dalOption in original.Options.ToList())
{
if (entity.Options.All(s => s.Id != dalOption.Id))
context.Set<Option>().Remove(dalOption);
}
foreach (Option dalOption in entity.ToOrm().Options)
{
var option = original.Options.SingleOrDefault(s => s.Id == dalOption.Id);
if (option != null)
{
context.Entry(option).CurrentValues.SetValues(dalOption);
}
else
{
original.Options.Add(dalOption);
}
}
context.SaveChanges();
}
