static void SearchCustomer(CustomerBal bal)
{
int customerID;
Customer searchCustomer;
try
{
Console.Write("Enter customer ID for search");
customerID = Convert.ToInt32(Console.ReadLine());
searchCustomer = bal.SearchCustomer(custid: customerID);
if (searchCustomer != null)
{
Console.WriteLine("customer id:" + searchCustomer.CustomerId);
Console.WriteLine("customer name:" + searchCustomer.CustomerName);
Console.WriteLine("customer email :" + searchCustomer.Email);
Console.WriteLine("customer address:" + searchCustomer.Address);
Console.WriteLine("customer grossamount:" + searchCustomer.calculate());
}
else
{
throw new CustomerNotFoundException("customer not found");
}
}
catch (CustomerNotFoundException s)
{
Console.WriteLine(s.Message);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
static void AddCustomer(CustomerBal bal)
{
Customer customer = new Customer();
try
{
Console.WriteLine("Bill no:");
customer.BillNo = int.Parse(Console.ReadLine());
Console.WriteLine("Name:");
customer.CustomerName = Console.ReadLine();
Console.WriteLine("Customer id"); //cursor has to wait in same line therefore only write
customer.CustomerId = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Mobile Number");
customer.MobileNo = (Console.ReadLine());
Console.WriteLine("Email:");
customer.Email = Console.ReadLine();
Console.WriteLine("Units consumed");
customer.UnitsConsumed = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Rate:");
customer.Rate = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("ADDRESS");
customer.Address = Console.ReadLine();
bal.Add(customer);
Console.WriteLine("customer inserted succesfully");
}
catch (CustomerValidationException ex)
{
Console.WriteLine(ex.Message);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
static void Main(string[] args)
{
CustomerBal bal = new CustomerBal();
Customer student = new Customer();
char choice;
do
{
Console.WriteLine("\n***********customer Management System ***********");
Console.WriteLine("1. Add customer");
Console.WriteLine("2. Display customer");
Console.WriteLine("3. SEARCH");
Console.WriteLine("4. serialize");
Console.WriteLine("5. deserialize");
Console.WriteLine("6. quit");
int num = Int32.Parse(Console.ReadLine());
switch (num)
{
case 1:
AddCustomer(bal);
break;
case 2:
DisplayAllDetails(bal);
break;
case 3:
SearchCustomer(bal);
break;
case 4:
CustomerBal.Serialize();
break;
case 5:
CustomerBal.Deserialize();
break;
default:
//System.Environment.Exit(1);
Console.WriteLine("entered choice is wrong");
break;
}
Console.WriteLine("Do you want to contiue (y/n)?");
choice = Convert.ToChar(Console.ReadLine());
} while (choice == 'y');
Console.ReadKey();
}
static void DisplayAllDetails(CustomerBal bal)
{
try
{
List <Customer> allCust = bal.GetAll();
foreach (var item in allCust)
{
Console.WriteLine(item); //tostring method is called internally when u call Write Line
}
}
catch (Exception e)
{
throw e;
}
}
