public double RequestOrder(Order order)
{
foreach (KeyValuePair<int, int> requestedItem in order.OrderedItems)
{
bool found = false;
foreach (Product product in products)
{
if (product.Id == requestedItem.Key)
{
if (product.Quantity >= requestedItem.Value)
{
found = true;
}
}
}
if (!found) throw new NotAvailableInInventoryException("Some items are unavailable!");
}
double price = 0;
foreach (var requestedItem in order.OrderedItems)
{
foreach (var product in products)
{
if (product.Id == requestedItem.Key)
{
product.Quantity = product.Quantity - requestedItem.Value;
price += requestedItem.Value * product.AfterTaxPrice;
}
}
}
return price;
}
public double RequestOrder(Order order)
{
double sum = 0;
for(int i = 0; i < order.ProductIds.Count; i++)
{
bool success = false;
//shorter version using LINQ:
//var product = products.FirstOrDefault(p => p.Id == order.ProductIds[i]);
Product product = null;
foreach (var p in products)
{
if (p.Id == order.ProductIds[i])
{
product = p;
break;
}
}
if(product != null && product.Quantity >= order.ProductQuantities[i])
{
sum += product.SinglePriceWithTax * order.ProductQuantities[i];
success = true;
}
if(!success)
{
throw new NotAvailableInInventoryException(order.ProductIds[i], order.ProductQuantities[i]);
}
}
return sum;
}
static void Main(string[] args)
{
var inventory = GetInventory();
Console.WriteLine(string.Format("Audit: {0}", inventory.Audit()));
var order = new Order(
new int[] { 1, 3, 5 },
new int[] { 5, 7, 100 }
);
Console.WriteLine(string.Format("RequestOrder: {0}", inventory.RequestOrder(order)));
Console.ReadKey();
}
