/// <summary>
/// The merge.
/// </summary>
/// <returns>
/// The <see cref="IBasket"/>.
/// </returns>
public override IBasket Merge()
{
if (AnonymousBasket.IsEmpty)
{
return(CustomerBasket);
}
CustomerBasket.Empty();
CustomerBasket.Items.Add(AnonymousBasket.Items.Select(x => x.AsLineItemOf <ItemCacheLineItem>()));
CustomerBasket.Save();
return(CustomerBasket);
}
