//function to encode order object to a string
public void EncodeOrder(OrderClass order)
{
lock (this)
{
string str = order.SenderID + ";" + order.CardNo + ";" + order.Amount + ";" + order.UnitPrice;
//send the encoded string to the buffer
Program.buffer.setOneCell(str);
}
}
//function to decode the string to order object
public void DecodeOrder(string order)
{
lock (this)
{
//split the string to get an array of order information
string[] orderArr = order.Split(';');
//create a new object
var decodeOrder = new OrderClass()
{
SenderID = orderArr[0],
CardNo = long.Parse(orderArr[1]),
Amount = int.Parse(orderArr[2]),
UnitPrice = int.Parse(orderArr[3])
};
//process the object and confirm the order
Thread orderThread = new Thread(() => OrderProcessing(decodeOrder));
orderThread.Start();
}
}
//generate the order information
public void OrderProcessing(OrderClass order)
{
if (order.CardNo >= 5000 && order.CardNo <= 7000)
{
const double taxRate = 0.08;
const double handlingFee = 3;
double total = (order.Amount * order.UnitPrice + handlingFee) * (1 + taxRate);
//print out order confirm message
Console.WriteLine("---- New Order Confirmed ----\n" +
"From: Store {0}\n" +
"Amount: {1}\n" +
"Card Number: {2}\n" +
"Chicken Unit Price: {3}\n" +
"Total Cost: {4}\n" +
"=========================================\n",
order.SenderID, order.Amount, order.CardNo, order.UnitPrice, total);
}
else
{
Console.WriteLine("Invalid Card Number\n");
}
}
//The function to start Retailer threads
public void RetailerThread(MultiCellBuffer buffer)
{
ChickenFarm chicken = new ChickenFarm();
//using loop to keep create the orders
while (chicken.GetPrice() != -1)
{
Thread.Sleep(2000);
//double check the price to avoid something happened during the sleep period
if (chicken.GetPrice() != -1)
{
//set random order properties
long cardNo = rand.Next(5000, 7000);
int amount = rand.Next(1, 5);
//add the properties to the object
OrderClass newOrder = new OrderClass()
{
SenderID = Thread.CurrentThread.Name,
CardNo = cardNo,
Amount = amount,
UnitPrice = currPrice
};
//print out order created message
Console.WriteLine("---- New Order Created ----\n" +
"Sender ID: Store {0}\n" +
"Card Number: {1}\n" +
"Amount of Chickens Ordered: {2}\n" +
"Current Unit Price: {3}\n" +
"Order Received Time: {4}\n" +
"=========================================\n",
newOrder.SenderID, newOrder.CardNo, newOrder.Amount, newOrder.UnitPrice, DateTime.Now);
//encode the OrderClass object to string
EncodeOrder(newOrder);
}
}
}
