public void UpdatePurchaseItems(IEnumerable <PurchaseItem> purchasedItems)
{
var returnedItems = PurchasedItems.ToList();
DomainEvents.Raise(new ReturnedItemsEvent(DateTime.Now, returnedItems.ToArray()));
PurchasedItems.Clear();
PurchasedItems.AddRange(purchasedItems);
DomainEvents.Raise(new PurchasedItemsEvent(DateTime.Now, purchasedItems.ToArray()));
Modified = DateTime.Now;
}
public void SetPurchasedItems(List <PurchasedItem> items)
{
PurchasedItems.Clear();
PurchasedItems.AddRange(items);
OnPurchasedItemsChanged?.Invoke();
}