protected Product createProduct(string type, string name, int price, int size)
{
if (type == "CD")
{
Product product = new CDProducts(name, price, size);
return(product);
}
else if (type == "Book")
{
Product product = new BookProducts(name, price, size);
return(product);
}
throw new ArgumentException($"Invalid argument: {type}");
}
public string listProducts()
{
string productsList = "";
foreach (Product product in storage.GetAllProduct)
{
if (product.GetType() == typeof(CDProducts))
{
CDProducts cdproduct = (CDProducts)product;
productsList += cdproduct.ToString() + "\n";
}
else if (product.GetType() == typeof(BookProducts))
{
BookProducts bookproduct = (BookProducts)product;
productsList += bookproduct.ToString() + "\n";
}
}
return(productsList);
}