public void SetItem(int productId, double price, int quantity)
{
PurchasedProduct purchasedProduct = new PurchasedProduct(productId, price);
sale.CreateSaleItem(purchasedProduct, quantity);
Console.WriteLine($"New SaleItem: '{productId}/{quantity}' created");
}
public void CreateSaleItem(PurchasedProduct product, int quantity)
{
this.SaleItems.Add(new SaleItem(product, quantity));
}
public SaleItem(PurchasedProduct product, int quantity)
{
this.Product = product;
this.Quantity = quantity;
}