private static void UpdateUsersLoanAmount()
{
Console.WriteLine("Select customer to update loan amount of:");
string selectedAccount = Console.ReadLine();
CustomersList customerList = new CustomersList(GetCustomers());
byte[] encryptedData = EncryptCustomerList(customerList);
customerList = null;
customerList = DecryptCustomerList(encryptedData);
encryptedData = null;
Customer customer = customerList.customers.FirstOrDefault(user => user.ID == selectedAccount);
selectedAccount = null;
if (customer != null)
{
Console.WriteLine($"Current loan amount is {customer.LoanRemaining}, please enter new loan amount");
string newLoanAmount = Console.ReadLine();
CustomersList customersListClone = customerList.Clone() as CustomersList;
List <Customer> newCustomers = customersListClone.customers;
customerList = null;
Customer updatedCustomer = new Customer(customer.Address, customer.IBAN, newLoanAmount, customer.Password, customer.ID, customer.FirstName, customer.LastName, customer.EmailAddress);
newLoanAmount = null;
int indexOfTempCustomer = 0;
newCustomers.ForEach(tempCustomer =>
{
if (tempCustomer.ID == customer.ID)
{
indexOfTempCustomer = newCustomers.IndexOf(tempCustomer);
}
else
{
}
});
customer = null;
newCustomers[indexOfTempCustomer] = updatedCustomer;
indexOfTempCustomer = 0;
Console.WriteLine($"Current loan amount is {updatedCustomer.LoanRemaining}");
updatedCustomer = null;
CustomersList updatedCustomers = new CustomersList(newCustomers);
newCustomers = null;
updateCSV(updatedCustomers.customers);
updatedCustomers = null;
GC.Collect();
Console.ReadKey();
}
else
{
Console.WriteLine("Customer account does not exist");
Console.ReadKey();
}
}
private static void DeleteUsersLoan()
{
CustomersList customerList = new CustomersList(GetCustomers());
byte[] encryptedData = EncryptCustomerList(customerList);
customerList = null;
customerList = DecryptCustomerList(encryptedData);
encryptedData = null;
CustomersList customersListClone = customerList.Clone() as CustomersList;
customerList = null;
List <Customer> newCustomers = customersListClone.customers;
Console.WriteLine("Select customer whose loan youd like to delete:");
string selectedAccount = Console.ReadLine();
Customer customer = customersListClone.customers.FirstOrDefault(user => user.ID == selectedAccount);
selectedAccount = null;
if (customer != null)
{
newCustomers.Remove(customer);
customer = null;
CustomersList newCustomerList = new CustomersList(newCustomers);
updateCSV(newCustomerList.customers);
newCustomers = null;
customersListClone = null;
GC.Collect();
Console.ReadKey();
}
else
{
Console.WriteLine("Customer account does not exist");
Console.ReadKey();
}
customer = null;
newCustomers = null;
customersListClone = null;
GC.Collect();
}
private static void AddNewUsersLoan()
{
CustomersList customerList = new CustomersList(GetCustomers());
byte[] encryptedData = EncryptCustomerList(customerList);
customerList = null;
customerList = DecryptCustomerList(encryptedData);
encryptedData = null;
CustomersList customersListClone = customerList.Clone() as CustomersList;
customerList = null;
List <Customer> newCustomers = customersListClone.customers;
Console.WriteLine("Please enter users information");
string firstName = null;
bool firstnameRegexMatch = false;
while (firstnameRegexMatch == false)
{
Console.WriteLine("Please enter first name:");
firstName = removeCharacter(Console.ReadLine(), ",");
var regex = new Regex(@"[a - zA - Z]{1,25}");
Match match = regex.Match(firstName);
if (match.Success)
{
firstnameRegexMatch = true;
}
else
{
Console.WriteLine("Invalid first name");
firstnameRegexMatch = false;
}
}
string lastName = null;
bool lastNameRegexMatch = false;
while (lastNameRegexMatch == false)
{
Console.WriteLine("Please enter last name:");
lastName = removeCharacter(Console.ReadLine(), ",");
var regex = new Regex(@"[a-zA-Z]{1,25}");
Match match = regex.Match(lastName);
if (match.Success)
{
lastNameRegexMatch = true;
}
else
{
Console.WriteLine("Invalid last name");
lastNameRegexMatch = false;
}
}
string IBAN = null;
bool IBANregexMatches = false;
while (IBANregexMatches == false)
{
Console.WriteLine("Please enter IBAN:");
IBAN = removeCharacter(Console.ReadLine(), ",");
var regex = new Regex(@"[a-zA-Z0-9]{18,34}");
Match match = regex.Match(IBAN);
if (match.Success)
{
IBANregexMatches = true;
}
else
{
Console.WriteLine("Invalid IBAN");
IBANregexMatches = false;
}
}
Console.WriteLine("Please enter address:");
string address = removeCharacter(Console.ReadLine(), ",");
string email = null;
bool emailRegexMatches = false;
while (emailRegexMatches == false)
{
Console.WriteLine("Please enter email:");
email = removeCharacter(Console.ReadLine(), ",");
var regex = new Regex(@"^(?("")("".+?(?<!\\)""@)|(([0-9a-z]((\.(?!\.))|[-!#\$%&'\*\+/=\?\^`\{\}\|~\w])*)(?<=[0-9a-z])@))" +
@"(?(\[)(\[(\d{1,3}\.){3}\d{1,3}\])|(([0-9a-z][-0-9a-z]*[0-9a-z]*\.)+[a-z0-9][\-a-z0-9]{0,22}[a-z0-9]))$");
Match match = regex.Match(email);
if (match.Success)
{
emailRegexMatches = true;
}
else
{
Console.WriteLine("Invalid email");
emailRegexMatches = false;
}
}
Console.WriteLine("Please enter loan balance:");
string loanAmount = removeCharacter(Console.ReadLine(), ",");
Console.WriteLine("Please enter password:"******",");
string id = (Convert.ToInt32(customersListClone.customers.LastOrDefault().ID) + 1).ToString();
Console.WriteLine($"id: {id}");
customersListClone = null;
Customer newCustomer = new Customer(address, IBAN, loanAmount, password, id, firstName, lastName, email);
newCustomers.Add(newCustomer);
newCustomer = null;
CustomersList newCustomerList = new CustomersList(newCustomers);
newCustomers = null;
updateCSV(newCustomerList.customers);
newCustomerList = null;
GC.Collect();
Console.ReadKey();
}