public CancelCustomerStatusCodes CancelCustomer(int customerNumber)
{
var customer = customerManager.GetCustomerByCustomerNumber(customerNumber);
if (customer == null)
{
return(CancelCustomerStatusCodes.NoSuchCustomer);
}
if (customer.IsGuardian == true)
{
return(CancelCustomerStatusCodes.CustomerIsGuardian);
}
if (customer.Debt > 0)
{
return(CancelCustomerStatusCodes.CustomerHasUnpaidDebt);
}
var borrow = borrowManager.GetAllCurrentBorrowFromCustomer(customerNumber);
if (borrow.Count > 0)
{
return(CancelCustomerStatusCodes.CustomerHasBorrowedBooks);
}
customerManager.CancelCustomer(customer.CustomerID);
return(CancelCustomerStatusCodes.Ok);
}
