static void Main(string[] args)
{
Console.WriteLine("Welcome to Order Management System!");
OrderService service = new OrderService();
string path = @"orders.xml";
service.Import(path);
while (true)
{
try
{
String orderID;
String customerName;
Console.WriteLine("\n");
String action = GetInput("1.add an order\t2.delete an order\t3.alter your order\t4.sort your orders\nPlease select an action: ");
switch (action)
{
case "1":
customerName = GetInput("Customer name:");
service.AddOrder(customerName, Int32.Parse(DateTime.Now.ToString("HHmmss")));
Console.WriteLine("Add an order successful!");
service.PrintOrders(service.orderList);
//Console.WriteLine("Your order ID is:" );
break;
case "2":
orderID = GetInput("Order ID:");
service.DeleteOrder(Int32.Parse(orderID));
Console.WriteLine("Delete the order successful!");
service.PrintOrders(service.orderList);
break;
case "3":
orderID = GetInput("Order ID:");
String operation = GetInput("add item\t" + "delete item\nPlease select an operation:");
switch (operation)
{
case "add item":
Console.WriteLine("Please enter item，amount and unitprice ,Separated by space");
string[] string1 = System.Text.RegularExpressions.Regex.Split(Console.ReadLine(), @"[ ]+");
string[] par3 = new string[3];
for (int i = 0; i < 3; i++)
{
par3[i] = string1[i];
}
service.AlterOrder(Int32.Parse(orderID), operation, par3);
service.PrintOrders(service.orderList);
break;
case "delete item":
Console.WriteLine("Please enter item and amount ,Separated by space");
string[] string2 = System.Text.RegularExpressions.Regex.Split(Console.ReadLine(), @"[ ]+");
string[] par2 = new string[2];
for (int i = 0; i < 2; i++)
{
par2[i] = (string2[i]);
}
service.AlterOrder(Int32.Parse(orderID), operation, par2);
service.PrintOrders(service.orderList);
break;
default:
throw new ArgumentException("Invalid input!");
}
break;
case "4":
Console.WriteLine("Please enter search conditions:");
customerName = GetInput("Customer name:");
orderID = GetInput("Order ID:");
String goodsName = GetInput("Goods name:");
customerName = customerName == "" ? null : customerName;
orderID = orderID == "" ? null : orderID;
goodsName = goodsName == "" ? null : goodsName;
List <Order> results = service.SearchOrder(customerName, orderID, goodsName);
service.PrintOrders(results);
break;
default:
throw new ArgumentException("No such operation!");
}
service.Export(path);
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
}
catch (FormatException)
{
Console.WriteLine("Invalid input!");
}
}
}
static void Main(string[] args)
{
Console.WriteLine("Welcome to Order Management System!");
OrderService service = new OrderService();
service.Import("orders.xml");
service.OrderIDCounter = service.Orders != null && service.Orders.Count > 0
? service.Orders[service.Orders.Count - 1].OrderID : 0;
while (true)
{
try
{
String orderID;
String customerName;
String customerAddress;
String action = GetInput("1.add an order\t2.delete an order\t3.modify an order\t4.select the orders\nPlease select an action: ");
switch (action)
{
case "1":
customerName = GetInput("Customer name:");
customerAddress = GetInput("Customer address:");
Console.WriteLine("Add an order successful!");
Console.WriteLine("Your order ID is:" + service.AddOrder(new Order(0,
new Customer(customerName, customerAddress), DateTime.Now, new List <OrderItem>())));
break;
case "2":
orderID = GetInput("Order ID:");
service.DeleteOrder(Int32.Parse(orderID));
Console.WriteLine("Delete the order successful!");
break;
case "3":
orderID = GetInput("Order ID:");
String operation = GetInput(
"customer name\tcustomer address\torder time\tadd item\n" +
"delete item\tquantity\nPlease select an operation:"
);
String modifyData = "";
if (operation != "add item")
{
modifyData = GetInput("The data After modify:");
}
object data = null;
int goodsID = 0;
switch (operation)
{
case "customer name":
case "customer address":
data = modifyData;
break;
case "order time":
data = DateTime.Parse(modifyData);
break;
case "add item":
goodsID = Int32.Parse(GetInput("Goods ID:"));
int quantity = Int32.Parse(GetInput("Quantity:"));
data = new OrderItem(new Goods(goodsID), quantity);
break;
case "delete item":
goodsID = Int32.Parse(GetInput("Goods ID:"));
break;
case "quantity":
goodsID = Int32.Parse(GetInput("Quantity:"));
data = Int32.Parse(modifyData);
break;
default:
throw new ArgumentException("Invalid argument!");
}
service.AlterOrder(Int32.Parse(orderID), operation, data, goodsID);
Console.WriteLine("Modify successful!");
Console.Write(service.FindOrder(int.Parse(orderID), null, null)[0]);
break;
case "4":
Console.WriteLine("Please enter search conditions:");
orderID = GetInput("Order ID:");
String goodsName = GetInput("Goods name:");
customerName = GetInput("Customer name:");
int orderId = orderID == "" ? int.MinValue : int.Parse(orderID);
goodsName = goodsName == "" ? null : goodsName;
customerName = customerName == "" ? null : customerName;
List <Order> results = service.FindOrder(orderId, goodsName, customerName);
Console.WriteLine("Result:");
foreach (Order order in results)
{
Console.WriteLine(order);
}
break;
default:
throw new ArgumentException("No such operation!");
}
service.Export("orders.xml");
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
}
catch (FormatException)
{
Console.WriteLine("Invalid input!");
}
}
}
