/// <summary>
/// Gets test results for specified test.
/// </summary>
/// <param name="test"> Test instance.</param>
/// <returns> IEnumerable` of test results.</returns>
/// <exception> System.ArgumentNullException if test is null.</exception>
public IEnumerable <BllTestResult> GetTestResultsByTest(BllTest test)
{
if (test == null)
{
throw new ArgumentNullException(nameof(test));
}
return(repository.GetByPredicate(tr => tr.Test.Id == test.Id).Select(tr => tr.ToBllTestResult()));
}
/// <summary>
/// Updates Test.
/// </summary>
/// <param name="test"> Test to update.</param>
public void UpdateTest(BllTest test)
{
if (test == null)
{
throw new ArgumentNullException(nameof(test));
}
repository.Update(test.ToDalTest());
service.Save();
}
public static ShowTestsViewModel ToMvcAllTests(this BllTest bllTest)
{
if (bllTest == null)
{
return(null);
}
return(new ShowTestsViewModel()
{
Id = bllTest.Id,
Title = bllTest.Title,
Description = bllTest.Description,
});
}
public static PassingTestViewModel ToMvcPassingTest(this BllTest bllTest)
{
if (bllTest == null)
{
return(null);
}
return(new PassingTestViewModel()
{
Id = bllTest.Id,
Title = bllTest.Title,
Questions = bllTest.Questions.Select(q => q.ToMvcQuestion()).ToList()
});
}
public static CreateTestsProfileViewModel ToMvcProfileCreateTest(this BllTest bllTest)
{
if (bllTest == null)
{
return(null);
}
return(new CreateTestsProfileViewModel()
{
Id = bllTest.Id,
Title = bllTest.Title,
Description = bllTest.Description,
ThemeId = bllTest.ThemeId
});
}
public static PreviewTestViewModel ToMvcPreviewTest(this BllTest bllTest)
{
if (bllTest == null)
{
return(null);
}
return(new PreviewTestViewModel()
{
Id = bllTest.Id,
Title = bllTest.Title,
TimeLimit = bllTest.TimeLimit,
MinToSuccess = bllTest.MinToSuccess
});
}
public static EditTestViewModel ToMvcEditTest(this BllTest bllTest)
{
if (bllTest == null)
{
return(null);
}
return(new EditTestViewModel()
{
Title = bllTest.Title,
Description = bllTest.Description,
TimeLimit = bllTest.TimeLimit,
MinToSuccess = bllTest.MinToSuccess,
ThemeId = bllTest.ThemeId,
});
}
/// <summary>
/// Maps BllTest entity to DalTest entity.
/// </summary>
/// <param name="test"> BllTest instance.</param>
/// <returns> DalTest instance.</returns>
public static DalTest ToDalTest(this BllTest test)
{
return(new DalTest()
{
Id = test.Id,
Name = test.Name,
Created = test.Created,
IsTimed = test.IsTimed,
TimeToComplete = test.TimeToComplete,
Subject = test.Subject?.ToDalSubject(),
User = (new BllUser {
Id = (int)test?.UserId
}).ToDalUser(),
Questions = test.Questions.Select(q => q.ToDalQuestion()).ToList()
});
}
public static DetailsTestViewModel ToMvcTest(this BllTest bllTest)
{
if (bllTest == null)
{
return(null);
}
return(new DetailsTestViewModel()
{
Title = bllTest.Title,
Description = bllTest.Description,
TimeLimit = bllTest.TimeLimit,
MinToSuccess = bllTest.MinToSuccess,
DateCreation = bllTest.DateCreation,
ThemeName = bllTest.ThemeId.ToString(),
UserName = bllTest.UserId.ToString(),
Questions = bllTest.Questions.Select(r => r.ToMvcQuestion()).ToList()
});
}
/// <summary>
/// Maps BllTest entity to TestViewModel.
/// </summary>
/// <param name="test"> BllTest instance.</param>
/// <returns> TestViewModel instance.</returns>
public static TestViewModel ToTestViewModel(this BllTest test)
{
int i = 0;
var testViewModel = new TestViewModel
{
Id = test.Id,
Name = test.Name,
SubjectName = test.Subject.Name,
UserId = test.UserId.Value,
Created = test.Created,
IsTimed = test.IsTimed,
TimeToComplete = test.TimeToComplete,
Questions = test.Questions.Select(q => q.ToQuestionViewModel()).ToList()
};
testViewModel.Questions.ToList().ForEach(q => q.QuestionNumber = ++i);
return(testViewModel);
}
public static BllTest ToBllTest(this DalTest dalTest)
{
if (dalTest == null)
{
return(null);
}
var bllTest = new BllTest()
{
Id = dalTest.Id,
Title = dalTest.Title,
Description = dalTest.Description,
TimeLimit = dalTest.TimeLimit,
MinToSuccess = dalTest.MinToSuccess,
DateCreation = dalTest.DateCreation,
UserId = dalTest.UserId,
ThemeId = dalTest.ThemeId,
Questions = dalTest.Questions.Select(r => r.ToBllQuestion()).ToList(),
TestResults = dalTest.TestResults.Select(r => r.ToBllTestResult()).ToList()
};
return(bllTest);
}
/// <summary>
/// Updates information about the test
/// </summary>
/// <param name="item">Test</param>
public void Update(BllTest item)
{
testRepository.Update(item.ToDalTest());
unitOfWork.Commit();
}
/// <summary>
/// Removes a test
/// </summary>
/// <param name="entity">Test</param>
public void Delete(BllTest entity)
{
testRepository.Delete(entity.ToDalTest());
DeleteTestQuestions(entity.Id);
unitOfWork.Commit();
}
/// <summary>
/// Creates a test
/// </summary>
/// <param name="entity">Test</param>
public void Create(BllTest entity)
{
testRepository.Create(entity.ToDalTest());
unitOfWork.Commit();
}
