/*
* 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);
}
/*
* Decoder is a class or a method in a class: The Decoder will convert the encoded string back into the
* OrderObject
*/
public static OrderClass decode(string encode)
{
//use delimiter of comma
char delimit = ',';
string[] arrayofencode = encode.Split(delimit);
//back to order object
OrderClass newobj = new OrderClass(arrayofencode[0], Convert.ToInt32(arrayofencode[1]), arrayofencode[2].Substring(arrayofencode[2].IndexOf(":") + 1), Convert.ToInt32(arrayofencode[3]), Convert.ToDouble(arrayofencode[4]), Convert.ToInt32(arrayofencode[6]), arrayofencode[5]);
return(newobj);
}
public static OrderClass decode(string encode)
{
//use delimiter of comma
char delimit = { ' , ' };
string[] arrayofencode = encode.Split(delimit);
//back to order object
OrderClass newobj = new OrderClass(arrayofencode[0], Convert.ToInt32(arrayofencode[1]), arrayofencode[2], Convert.ToInt32(arrayofencode[3]), Convert.ToInt32(arrayofencode[4]));
return(newobj);
}
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());
}
}