static void Main(string[] args)
{
// Waterfall
// Agile software engineer (programmer, coder)
// Top-down implementation
while (true)
{
// 1. User enter an option: Add, Edit, Delete, View a customer:
var ui = new UserInterface();
var logic = new CustomerApplication();
var storage = new CustomerStorage();
Operations option = ui.GetOperation();
// 2. Based on the option, execute the operation
switch (option)
{
case Operations.Exit:
return;
case Operations.Add:
{
// 1.User input customer info
Customer newCustomer = ui.EnterCustomerInfo();
logic.AddCustomer(newCustomer);
// 2. Save the customer
storage.Add(newCustomer);
// 3. Show info to let user know the customer is added and stored
ui.ShowMessage("Customer added");
break;
}
case Operations.Edit:
{
EditExistingCustomer(ui, storage);
break;
}
case Operations.Delete:
{
break;
}
case Operations.View:
{
break;
}
}
}
}
private static void EditExistingCustomer(UserInterface ui, CustomerStorage storage)
{
throw new NotImplementedException();
}