public void SaveTest(UserTestsDTO test)
{
var testModel = mapper.MapTo <UserTests>(test);
testModel.CreatedOn = dateTime.GetDateTimeNow();
userTests.Add(testModel);
saver.SaveChanges();
}
public void SaveTest(UserTestsDTO test)
{
if (test == null)
{
throw new ArgumentNullException(nameof(test));
}
var testModel = mapper.MapTo <UserTests>(test);
testModel.CreatedOn = dateTime.GetDateTimeNow();
userTests.Add(testModel);
saver.SaveChanges();
}
public void Submit(UserTestDto dto)
{
Guard.WhenArgument(dto, "UserTestDto us null").IsNull().Throw();
var testToUpdate = userTests.All
.Where(ut => ut.UserId == dto.UserId && ut.TestId == dto.TestId)
.FirstOrDefault() ?? throw new ArgumentNullException("UserTest Entity can not be null.");
testToUpdate.IsPassed = dto.IsPassed;
testToUpdate.Points = dto.Points;
testToUpdate.ExecutionTime = dto.ExecutionTime;
testToUpdate.SubmittedOn = dto.SubmittedOn;
userTests.Update(testToUpdate);
saver.SaveChanges();
}
public void SaveQuestionAnswers(UserTestsDTO test)
{
if (test == null)
{
throw new ArgumentNullException(nameof(test));
}
foreach (var qa in test.Questions)
{
var utaToAdd = new UserTestAnswers
{
UserTestId = test.UserTestId,
AnswerId = qa.SelectedAnswerId
};
userTestAnswers.Add(utaToAdd);
}
saver.SaveChanges();
}
public void Delete(int id)
{
if (id < 0)
{
throw new ArgumentOutOfRangeException("Invalid id provided");
}
var testToDelete = tests.All.Include(q => q.Questions).ThenInclude(a => a.Answers)
.FirstOrDefault(t => t.Id == id) ?? throw new TestNotFoundException($"No test with id {id} found!");
var testsUser = userTests.All;
if (testToDelete != null && !(testsUser.Any(ut => ut.TestId == testToDelete.Id)))
{
tests.Delete(testToDelete);
foreach (var question in testToDelete.Questions)
{
this.questions.Delete(question);
foreach (var answer in question.Answers)
{
this.answers.Delete(answer);
}
}
saver.SaveChanges();
}
else
{
throw new InvalidTestException("Cannot delete test it has been taked by users.");
}
}
public void SaveQuestionAnswers(UserTestsDTO test)
{
foreach (var qa in test.Questions)
{
var utaToAdd = new UserTestAnswers
{
UserTestId = test.UserTestId,
AnswerId = qa.SelectedAnswerId
};
userTestAnswers.Add(utaToAdd);
}
saver.SaveChanges();
}
public int RemoveCollection(string collectionId)
{
if (collectionId.IsNullOrWhitespace())
{
throw new InvalidCollectionIdException();
}
var collectionToDelete = GetCollectionById(collectionId);
collections.Delete(collectionToDelete);
return(saver.SaveChanges());
}