public Pet Create(Pet pet)
{
/*if (pet.Owner != null && _ctx.ChangeTracker.Entries<Pet>().FirstOrDefault(oe => oe.Entity.Id == pet.Owner.Id) == null)
* {
* _ctx.Attach(pet.Owner);
* }
* var petEntry = _ctx.Pets.Add(pet).Entity;
* _ctx.SaveChanges();
* return petEntry;*/
_ctx.Attach(pet).State = EntityState.Added;
_ctx.SaveChanges();
return(pet);
}
public Owner Update(Owner ownerUpdate)
{
_ctx.Attach(ownerUpdate).State = EntityState.Modified;
_ctx.Entry(ownerUpdate).Collection(o => o.Pets).IsModified = true;
var pets = _ctx.Pets.Where(p => p.Owner.Id == ownerUpdate.Id &&
!ownerUpdate.Pets.Exists(po => po.Id == p.Id));
foreach (var pet in pets)
{
pet.Owner = null;
_ctx.Entry(pet).Reference(p => p.Owner).IsModified = true;
}
_ctx.SaveChanges();
return(ownerUpdate);
}
