/// <summary>
/// Calculate total price of all someProducts in the store.
/// </summary>
/// <param name="someProduct"></param>
/// <returns>Total price, $.</returns>
public double GetTotalPrice(StorageUnit someProduct)
{
if (someProduct != null)
{
return(someProduct.Product.Price * someProduct.Number);
}
else
{
throw new ArgumentNullException();
}
}
/// <summary>
/// Add new product to the storage.
/// </summary>
/// <param name="product">Product.</param>
/// <param name="number">Number of products.</param>
public void AddProduct(Product product, int number)
{
StorageUnit newUnit = new StorageUnit(product, number);
Storage.Add(newUnit);
}