public void Save(Owner owner)
{
using (var context = new BakeryContext())
{
var existingDto = context.Owners
.Include("Phones")
.Include("OwnerAddress")
.FirstOrDefault(o => o.Id == owner.Id.Id) ?? new Context.Shop.Owner();
var newDto = Mapper.ToDto(owner);
var id = newDto.Id;
if (context.Owners.Any(e => e.Id == id))
{
var updatedPhones = newDto.Phones.ToList();
var existingPhones = existingDto.Phones.ToList();
var addedPhones = updatedPhones.Except(existingPhones).ToList();
var deletedPhones = existingPhones.Except(updatedPhones).ToList();
var modifiedPhones = updatedPhones.Except(addedPhones).ToList();
addedPhones.ForEach(phn => context.Entry(phn).State = EntityState.Added);
deletedPhones.ForEach(phn => context.Entry(phn).State = EntityState.Deleted);
foreach (var phone in modifiedPhones)
{
var existingPhone = context.OwnerPhones
.FirstOrDefault(phn => phn.Equals(phone));
if (existingPhone == null)
{
continue;
}
var phoneEntry = context.Entry(existingPhone);
phoneEntry.CurrentValues.SetValues(phone);
}
var ownerEntry = context.Entry(existingDto);
ownerEntry.CurrentValues.SetValues(newDto);
var ownerAddressEntry = context.Entry(existingDto.OwnerAddress);
ownerAddressEntry.CurrentValues.SetValues(newDto.OwnerAddress);
}
else
{
context.Owners.Add(newDto);
}
try
{
context.SaveChanges();
}
catch (DbUpdateException e)
{
throw new RepositoryException(e.Message, e);
}
}
}