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();
}
}
}