public Product AddProduct(string name, int price, int count) { // var product = new Product(count) { Id=Guid.NewGuid(), Name=name, Price =price, }; products.Add(product); return product; }
public void AddProduct(Product product) { if (!products.ContainsKey(product.Id)) { products[product.Id] = product; } else { products[product.Id].Increment(product.Count); } }