public SubjectVM CreateOrUpdate(SubjectForCreateOrUpdateDTO subjectForCreateOrUpdateDTO)
{
if (subjectForCreateOrUpdateDTO == null)
{
throw new ArgumentNullException($"DTO of type is null");
}
var subjectEntity = _mapper.Map <Subject>(subjectForCreateOrUpdateDTO);
if (subjectForCreateOrUpdateDTO.Id == null || subjectForCreateOrUpdateDTO.Id == 0)
{
_dbContext.Subjects.Add(subjectEntity);
}
else
{
_dbContext.Subjects.Update(subjectEntity);
}
try
{
if (_dbContext.SaveChanges() < 1)
{
return(null);
}
}
catch (Exception ex)
{
return(null);
}
var subjectVM = _mapper.Map <SubjectVM>(subjectEntity);
return(subjectVM);
}
public IActionResult CreateOrUpdateSubject(SubjectForCreateOrUpdateDTO subjectForCreateOrUpdateDTO)
{
if (ModelState.IsValid)
{
if (_subjectService.CreateOrUpdate(subjectForCreateOrUpdateDTO) != null)
{
return(RedirectToAction("Index"));
}
return(View("Error", new ErrorViewModel()
{
Description = _localizer["This subject already exists"]
})); //already exists with this name
}
return(View("CreateOrUpdateSubject"));
}
public void WhenIdIsNullShouldModelBeNullAndViewShouldNotBeError()
{
Mock <ISubjectService> _subjectServiceMock = new Mock <ISubjectService>();
_subjectServiceMock.Setup(s => s.GetSubject(It.IsAny <Expression <Func <Subject, bool> > >())).Returns(() => null);
SubjectController _subjectController = new SubjectController(_subjectServiceMock.Object, _teacherServiceMock.Object, null, _mapperMock.Object, _localizerMock.Object, _loggerFactoryMock.Object);
int?id = null;
SubjectForCreateOrUpdateDTO expectedModel = null;
var result = (ViewResult)_subjectController.CreateOrUpdateSubject(id);
Assert.Equal(expectedModel, result.Model);
Assert.NotEqual("Error", result.ViewName);
}
public CreateOrUpdateSubjectTests()
{
_correctSubjectVM = new SubjectVM()
{
Id = 1, Name = "Name", Description = "Description"
};
_correctSubjectDTO = new SubjectForCreateOrUpdateDTO()
{
Id = 1, Name = "Name", Description = "Description", TeacherId = 4
};
_alreadyExistsErrorDescription = "This subject already exists!";
_loggerFactoryMock = new Mock <ILoggerFactory>();
_teacherServiceMock = new Mock <ITeacherService>();
_teacherServiceMock.Setup(ts => ts.GetTeachers(null)).Returns(() => ListOfTeachersVMs());
_mapperMock = new Mock <IMapper>();
_mapperMock.Setup(m => m.Map <SubjectForCreateOrUpdateDTO>(_correctSubjectVM)).Returns(() => _correctSubjectDTO);
_localizerMock = new Mock <IStringLocalizer <SubjectController> >();
_localizerMock.Setup(l => l["This subject already exists"]).Returns(() =>
new LocalizedString("This subject already exists", _alreadyExistsErrorDescription));
}