public void AddSpeciality(Speciality speciality) { if (speciality == null) throw new ArgumentNullException("speciality"); using (SpecialityRepository repository = new SpecialityRepository()) { var existedSpecialities = repository.GetFiltered(s => s.Name == speciality.Name && s.UniversityId == speciality.UniversityId); if (existedSpecialities != null) { // TODO: throw existing speciality of that university } repository.Add(speciality); repository.Commit(); } }
public void UpdateSpeciality(Speciality speciality) { if (speciality == null) throw new ArgumentNullException("speciality"); using (SpecialityRepository repository = new SpecialityRepository()) { repository.Modify(speciality); repository.Commit(); } }
public void RemoveSpeciality(Guid specialityId) { using (SpecialityRepository repository = new SpecialityRepository()) { var speciality = repository.Get(specialityId); if (speciality != null) { repository.Remove(speciality); repository.Commit(); } } }