void IDataContext.DeleteUser(User user)
{
if (user.Address != null) {
Addresses.Remove(user.Address);
}
Users.Remove(user);
}
public User Save(User user)
{
using (var dataContext = _dataContextFactory.Create()) {
if (user.Id == 0) {
dataContext.AddUser(user);
}
else {
dataContext.UpdateUser(user);
}
dataContext.SaveChanges();
return user;
}
}
private UserViewModel toViewModel(User user)
{
if (user == null) {
throw new NullReferenceException();
}
var address = new AddressViewModel();
if (user.Address != null) {
address.Id = user.Address.Id;
address.City = user.Address.City;
address.Street = user.Address.Street;
address.BuildingNumber = user.Address.BuildingNumber;
address.ApartmentNumber = user.Address.ApartmentNumber;
}
return new UserViewModel {
Address = address,
FirstName = user.FirstName,
LastName = user.LastName,
Id = user.Id
};
}
private AuthorViewModel _toViewModel(User user)
{
return new AuthorViewModel
{
Id = user.Id,
Name = String.Format("{0} {1}", user.FirstName, user.LastName)
};
}
void IDataContext.UpdateUser(User user)
{
Attach(user);
Attach(user.Address);
}
void IDataContext.AddUser(User user)
{
Users.Add(user);
}
private void Attach(User user)
{
Users.Attach(user);
Entry(user).State = EntityState.Modified;
}
