// method to check card validity and calculate total price of order
public void processOrder(OrderClass order, Int32 unitPrice)
{
if (order.cardNo <= 7000 && order.cardNo >= 5000)
{
totalPrice = unitPrice * order.amount + (tax / 100) * (unitPrice * order.amount) + shippingCost;
onOrderProcessed(order.senderId, order.amount, unitPrice, totalPrice, order.timeOfOrder);
}
else
{
Console.WriteLine("Invalid Card Number => {0}! Order could not be processed!", order.cardNo);
}
}
// decode a given string to Order object
public static OrderClass DecodeOrder(string encodedOrder)
{
OrderClass orderReceived = new OrderClass();
string[] decodedOrder = coderServiceClient.Decrypt(encodedOrder).Split(',');
if (decodedOrder.Length == 4)
{
orderReceived.senderId = Convert.ToInt32(decodedOrder[0]);
orderReceived.cardNo = Convert.ToInt32(decodedOrder[1]);
orderReceived.amount = Convert.ToInt32(decodedOrder[2]);
orderReceived.timeOfOrder = Convert.ToDateTime(decodedOrder[3]);
}
else
{
Console.WriteLine("Error in decoding order!");
}
return(orderReceived);
}
// event handler when order is created by a retailer and placed in buffer
public void getOrder()
{
string orderReceived = Program.buffer.getOneCell();
string[] orderDetails = new EncoderDecoderService.ServiceClient().Decrypt(orderReceived).Split(',');
OrderClass order = new OrderClass();
Console.WriteLine("Order Received from store {0}", orderDetails[0]);
order.senderId = Convert.ToInt32(orderDetails[0]);
order.cardNo = Convert.ToInt32(orderDetails[1]);
order.amount = Convert.ToInt32(orderDetails[2]);
order.timeOfOrder = Convert.ToDateTime(orderDetails[3]);
OrderProcessing op = new OrderProcessing();
// thread created and started to process order fetched from buffer
Thread processThread = new Thread(delegate() { op.processOrder(order, getChickenPrice()); });
processThread.Start();
}
// creating order on price cut
public void createOrder(int senderId, int price)
{
Int32 newChickenPrice = price;
// create an order
OrderClass order = new OrderClass();
order.senderId = senderId;
order.cardNo = randomNumberGenerator.Next(4500, 7000);
amountOfChicken = getAmountOfChicken(oldChickenPrice, newChickenPrice, amountOfChicken);
order.amount = amountOfChicken;
order.timeOfOrder = DateTime.Now;
Console.WriteLine("Order created for store {0}", senderId);
//encode order
string encodedOrder = EncodeDecodeOrder.EncodeOrder(order);
// add order to Multi Cell Buffer
Program.buffer.setOneCell(encodedOrder);
// function for emitting event
onOrderCreated();
}
// encode an Order object to a string
public static string EncodeOrder(OrderClass order)
{
return(coderServiceClient.Encrypt(order.senderId.ToString() + ","
+ order.cardNo.ToString() + "," + order.amount.ToString() + "," + order.timeOfOrder.ToString()));
}