// This method receives an order from the buffer, decodes using a Decoder object, and then passes it to an OrderProcessor object
public void receiveOrder()
{
// Grabs an order from the buffer in encoded string format
string encodedOrder = Program.buffer.getOneCell();
// Initialize our Decoder and OrderProcessing objects
Decoder decode = new Decoder(encodedOrder);
OrderProcessing processor = new OrderProcessing();
// Decode the string back into an OrderClass object and pass it to our OrderProcessing thread
OrderClass order = decode.getOrder();
Thread t = new Thread(() => processor.process(order, getPrice()));
// Start the OrderProcessing thread
t.Start();
}
/* This method generates an order with a random card number and random quantity.
* Then generates an OrderClass object which then is encoded to a string, which gets placed into our buffer.
* Finally, it then signals to the ChickenFarm that an order has been generated using the delegate event.
*/
private void generateOrder(string senderID)
{
// Generate random valid numbers for the card number, and quantity
int cardNo = rng.Next(5000, 7000);
int amount = rng.Next(25, 100);
// Generate OrderClass object, then encode to a string using our Encoder object
OrderClass order = new OrderClass(senderID, cardNo, amount);
Encoder encode = new Encoder(order);
string encoded = encode.getEncodedString();
// Print the generation confirmation
Console.WriteLine("Store {0}'s order generated, Time-stamp: {1}", senderID, DateTime.Now.ToString("hh:mm:ss"));
// Place the encoded string into our buffer
Program.buffer.setOneCell(encoded);
// Signal to our ChickenFarm that the order has been generated using our delegate event
orderGenerated();
}
/* This method will process the order and payment by checking the card number validity first, and then calculates total price.
* Once total price calculated, the delegate event orderProcessed signals to ChickenFarm that the thread has completed
* order processing. */
public void process(OrderClass order, int unitPrice)
{
// Check first if the card number is valid
if (!checkCreditCardNumber(order.getCardNo()))
{
// Write an error to console if there's an error and then return
Console.WriteLine("Card number {0} is not valid.", order.getCardNo());
return;
}
else
{
// Calculate the subtotal first
double subtotal = (unitPrice * order.getAmount());
// Then calculate the tax amount
double taxes = (subtotal * TAX);
// Subtotal + Taxes + shipping and handling
int total = Convert.ToInt32(subtotal + taxes + SHIPPING_HANDLING);
// Signal to the retailer that the order has been processed
orderProcessed(order.getSenderID(), total, unitPrice, order.getAmount());
}
}
