public virtual void SaveChanges(ShoppingCart[] carts)
{
var pkMap = new PrimaryKeyResolvingMap();
var changedEvents = new List <CartChangedEvent>();
using (var repository = _repositoryFactory())
using (var changeTracker = GetChangeTracker(repository))
{
var dataExistCarts = repository.GetShoppingCartsByIds(carts.Where(x => !x.IsTransient()).Select(x => x.Id).ToArray());
foreach (var cart in carts)
{
//Calculate cart totals before save
_totalsCalculator.CalculateTotals(cart);
var originalEntity = dataExistCarts.FirstOrDefault(x => x.Id == cart.Id);
var originalCart = originalEntity != null?originalEntity.ToModel(AbstractTypeFactory <ShoppingCart> .TryCreateInstance()) : cart;
var changingEvent = new CartChangeEvent(originalEntity == null ? EntryState.Added : EntryState.Modified, originalCart, cart);
_changingEventPublisher.Publish(changingEvent);
changedEvents.Add(new CartChangedEvent(changingEvent.ChangeState, changingEvent.OrigCart, changingEvent.ModifiedCart));
var modifiedEntity = AbstractTypeFactory <ShoppingCartEntity> .TryCreateInstance().FromModel(cart, pkMap);
if (originalEntity != null)
{
changeTracker.Attach(originalEntity);
modifiedEntity.Patch(originalEntity);
}
else
{
repository.Add(modifiedEntity);
}
}
CommitChanges(repository);
pkMap.ResolvePrimaryKeys();
}
//Save dynamic properties
foreach (var cart in carts)
{
_dynamicPropertyService.SaveDynamicPropertyValues(cart);
}
//Raise changed events
foreach (var changedEvent in changedEvents)
{
_changedEventPublisher.Publish(changedEvent);
}
}
public Task Handle(CartChangeEvent message)
{
return(Task.CompletedTask);
}