public Order BuildOrder(IList<Product> products)
{
var result = new Order();
var productGroup = products.GroupBy(product => product.Name);
foreach (var item in productGroup)
{
var orderItem = new OrderItem { Item = item.First(), Quantity = item.Count() };
this.ProcessPrice(orderItem);
result.Items.Add(orderItem);
}
result.TotalTaxes = result.Items.Sum(item => item.TotalTaxes);
result.TotalPrices = result.Items.Sum(item => item.TotalPrices);
return result;
}
private void Print(Order order)
{
Console.WriteLine();
foreach (var item in order.Items)
{
Console.WriteLine("{0} {1} : {2:F2}", item.Quantity, item.Item.Name, item.TotalPrices);
}
Console.WriteLine("Sales Taxes: {0:F2}", order.TotalTaxes);
Console.WriteLine("Total: {0:F2}", order.TotalPrices);
}