/*
* Encoder is a class or a method in a class: The Encoder will convert an OrderObject into a string. You
* can choose any way to encode the values into a string, as long as you can decode the string back to the
* original order object
*/
public static string encode(OrderClass obj)
{
string encode;
encode = obj.getSenderId() + "," + obj.getCardNo().ToString() + ",PUBID:" + obj.getRecieverID() + "," + obj.getAmount().ToString() + "," + obj.getUnitPrice().ToString() + "," + obj.getTimeStamp() + "," + obj.getOrderNumber();
return(encode);
}
//event handler for price cuts
//creates order
public void bookOnSale(double price, string pubId)
{
Int32 numBooks;
if (price <= 75)
{
numBooks = 100;
}
else if (price > 75 && price < 150)
{
numBooks = 50;
}
else
{
numBooks = 25;
}
orderCount++;
OrderClass order = new OrderClass(id, cardNumber, pubId, numBooks, price, orderCount);
string obj = Coders.encode(order);
mb.setObject(obj);
Console.WriteLine("ORDER {3}: Bookstore {0} is creating an order for {1} books from Publisher {2} at {4}", id, numBooks, pubId, order.getOrderNumber(), order.getTimeStamp());
orderCreated();
}
public void OrderProcessing()
{
string encodedString = mb.getObject(id);
//check to see if the retrieved object pertains to the current publisher
//if so, process order
if (encodedString != "ERROR")
{
OrderClass order = Coders.decode(encodedString);
Console.WriteLine("Publisher {0} is processing order {1} sent from Bookstore {2}", order.getRecieverID(), order.getOrderNumber(), order.getSenderId());
double totalCharge = (order.getUnitPrice() * order.getAmount()) * (1 + taxPercent) + getLocCharge();
string validity = Bank.validate(order.getCardNo(), totalCharge);
if (validity == "valid")
{
numBooks -= order.getAmount();
}
callBack(validity, order.getSenderId());
}
}
