public void DisplayMainMenu(Utility.MainMenuOptions newOptions)
{
// Check if Register New Customer option is set.
Console.WriteLine((newOptions & Utility.MainMenuOptions.REGISTER_NEW_CUSTOMER) == Utility.MainMenuOptions.REGISTER_NEW_CUSTOMER ? "(1) Register new customer." : "");
// Check if Change Customer option is set.
Console.WriteLine((newOptions & Utility.MainMenuOptions.CHANGE_CUSTOMER) == Utility.MainMenuOptions.CHANGE_CUSTOMER ? "(2) Change customer." : "");
// Check if Open New Account option is set.
Console.WriteLine((newOptions & Utility.MainMenuOptions.OPEN_NEW_ACCOUNT) == Utility.MainMenuOptions.OPEN_NEW_ACCOUNT ? "(3) Open new account." : "");
// Check if Close Account option is set.
Console.WriteLine((newOptions & Utility.MainMenuOptions.CLOSE_ACCOUNT) == Utility.MainMenuOptions.CLOSE_ACCOUNT ? "(4) Close account." : "");
// Check if Deposit Amount option is set.
Console.WriteLine((newOptions & Utility.MainMenuOptions.DEPOSIT_AMOUNT) == Utility.MainMenuOptions.DEPOSIT_AMOUNT ? "(5) Deposit to account." : "");
// Check if Withdraw Amount option is set.
Console.WriteLine((newOptions & Utility.MainMenuOptions.WITHDRAW_AMOUNT) == Utility.MainMenuOptions.WITHDRAW_AMOUNT ? "(6) Withdraw from account." : "");
// Check if Transfer Amount option is set.
Console.WriteLine((newOptions & Utility.MainMenuOptions.TRANSFER_AMOUNT) == Utility.MainMenuOptions.TRANSFER_AMOUNT ? "(7) Transfer between accounts." : "");
// Check if Pay Loan Installment option is set.
Console.WriteLine((newOptions & Utility.MainMenuOptions.PAY_LOAN_INSTALLMENT) == Utility.MainMenuOptions.PAY_LOAN_INSTALLMENT ? "(8) Pay loan installment." : "");
// Check if Display Accounts option is set.
Console.WriteLine((newOptions & Utility.MainMenuOptions.DISPLAY_ALL_ACCOUNTS) == Utility.MainMenuOptions.DISPLAY_ALL_ACCOUNTS ? "(9) Display all accounts." : "");
// Check if Display Transactions option is set.
Console.WriteLine((newOptions & Utility.MainMenuOptions.DISPLAY_ALL_TRANSACTIONS) == Utility.MainMenuOptions.DISPLAY_ALL_TRANSACTIONS ? "(0) Display all transactions for an account." : "");
// Display exit program option.
Console.WriteLine();
Console.WriteLine("(Q) Exit Program.");
Console.WriteLine();
Console.WriteLine();
}
/// <summary>
/// Main Program Running Loop.
/// </summary>
/// <param name="isGameLoopActive">Last loop run state.</param>
/// <returns>Returns, True if the main loop is going to run again. Otherwise, False.</returns>
private bool MainProgramLoop(bool isGameLoopActive)
{
// Define cleared flag sets.
Utility.MainMenuOptions menuOption = 0;
Utility.OperationState? userReturn = 0;
// Clear display for next menu draw.
workingDisplay?.ClearDisplay();
// Get avaliable options for Main Menu.
menuOption = GetCurrentMainMenuOptions();
// If customer is selected, display customer.
if (activeCustomer != null)
{
CustomerHeader();
}
// Display Main Menu.
workingDisplay?.DisplayMainMenu(menuOption);
// Get user menu selection.
userReturn = workingDisplay?.GetUserSelection(menuOption);
// Process user input value.
if (userReturn != null)
{
switch (userReturn.GetValueOrDefault(Utility.OperationState.INVALID_OPTION))
{
case Utility.OperationState.REGISTER:
RegisterNewCustomer();
break;
case Utility.OperationState.CHANGE_USER:
SwitchCustomers();
break;
case Utility.OperationState.OPEN_ACCOUNT:
OpenNewAccount();
break;
case Utility.OperationState.CLOSE_ACCOUNT:
CloseAccount();
break;
case Utility.OperationState.DEPOSIT:
DepositToAccount();
break;
case Utility.OperationState.WITHDRAW:
WithdrawFromAccount();
break;
case Utility.OperationState.TRANSFER:
TransferBetweenAccounts();
break;
case Utility.OperationState.PAY_LOAN:
PayLoanInstallment();
break;
case Utility.OperationState.DISPLAY_ACCOUNTS:
DisplayCustomerAccounts();
break;
case Utility.OperationState.DISPLAY_TRANSACTIONS:
DisplayTransactionsForAccount();
break;
case Utility.OperationState.EXIT_PROGRAM:
isGameLoopActive = false;
break;
case Utility.OperationState.INVALID_OPTION:
default:
InvalidSelection();
break;
}
}
else
{
InvalidSelection();
}
return(isGameLoopActive);
}
/// <summary>
/// Gets the current selection option for Main Menu.
/// </summary>
/// <returns>Returns bit-flag set enumerator representing all avaliable menu options.</returns>
private Utility.MainMenuOptions GetCurrentMainMenuOptions()
{
Utility.MainMenuOptions result = 0;
// Check if new customers can be created.
if (workingCustomerStorage != null)
{
result |= Utility.MainMenuOptions.REGISTER_NEW_CUSTOMER;
// Check if more that one customer exists to switch between.
if (workingCustomerStorage.GetAllCustomers().Length > 1)
{
result |= Utility.MainMenuOptions.CHANGE_CUSTOMER;
}
}
// Check if current customer exists.
if (activeCustomer != null)
{
// Check if accounts can be created.
if (workingAccountStorage != null)
{
result |= Utility.MainMenuOptions.OPEN_NEW_ACCOUNT;
List <Account> allAccounts = activeCustomer.GetAllAccounts();
// Check if customer has accounts that can be closed.
if (allAccounts.Count > 0)
{
result |= Utility.MainMenuOptions.CLOSE_ACCOUNT;
result |= Utility.MainMenuOptions.DISPLAY_ALL_ACCOUNTS;
result |= Utility.MainMenuOptions.DISPLAY_ALL_TRANSACTIONS;
// Check if customer has more that one account, to allow transferring.
if (allAccounts.Count > 1)
{
// Check if atleast two accounts can be part of transfer.
if (CheckCustomerAccountsForTransferable(allAccounts))
{
result |= Utility.MainMenuOptions.TRANSFER_AMOUNT;
}
}
// Check if customer has a depositable account.
if (CheckCustomerAccountsForDepositable(allAccounts))
{
result |= Utility.MainMenuOptions.DEPOSIT_AMOUNT;
}
// Check if customer has a withdrawable account.
if (CheckCustomerAccountsForWithdrawable(allAccounts))
{
result |= Utility.MainMenuOptions.WITHDRAW_AMOUNT;
}
// Check if customer has a loan account for paying installments to.
if (CheckCustomerAccountsForLoanPayable(allAccounts))
{
result |= Utility.MainMenuOptions.PAY_LOAN_INSTALLMENT;
}
}
}
}
// Enable exit program.
result |= Utility.MainMenuOptions.EXIT_PROGRAM;
return(result);
}
public Utility.OperationState GetUserSelection(Utility.MainMenuOptions menuOptions)
{
Utility.OperationState result = Utility.OperationState.INVALID_OPTION;
// Wait for user input.
Console.Write("Please select an option: ");
string inputLine = Console.ReadLine().Trim();
int inputValue = -1;
// Check first value for selected user input.
if (inputLine.Length > 0)
{
if (int.TryParse(inputLine.Substring(0, 1), out inputValue))
{
// Check inputted value against avaliable options.
switch (inputValue)
{
case 1:
// Register new account.
if ((menuOptions & Utility.MainMenuOptions.REGISTER_NEW_CUSTOMER) == Utility.MainMenuOptions.REGISTER_NEW_CUSTOMER)
{
result = Utility.OperationState.REGISTER;
}
break;
case 2:
// Register new account.
if ((menuOptions & Utility.MainMenuOptions.CHANGE_CUSTOMER) == Utility.MainMenuOptions.CHANGE_CUSTOMER)
{
result = Utility.OperationState.CHANGE_USER;
}
break;
case 3:
// Open new account.
if ((menuOptions & Utility.MainMenuOptions.OPEN_NEW_ACCOUNT) == Utility.MainMenuOptions.OPEN_NEW_ACCOUNT)
{
result = Utility.OperationState.OPEN_ACCOUNT;
}
break;
case 4:
// Close account.
if ((menuOptions & Utility.MainMenuOptions.CLOSE_ACCOUNT) == Utility.MainMenuOptions.CLOSE_ACCOUNT)
{
result = Utility.OperationState.CLOSE_ACCOUNT;
}
break;
case 5:
// Deposit.
if ((menuOptions & Utility.MainMenuOptions.DEPOSIT_AMOUNT) == Utility.MainMenuOptions.DEPOSIT_AMOUNT)
{
result = Utility.OperationState.DEPOSIT;
}
break;
case 6:
// Withdraw.
if ((menuOptions & Utility.MainMenuOptions.WITHDRAW_AMOUNT) == Utility.MainMenuOptions.WITHDRAW_AMOUNT)
{
result = Utility.OperationState.WITHDRAW;
}
break;
case 7:
// Transfer.
if ((menuOptions & Utility.MainMenuOptions.TRANSFER_AMOUNT) == Utility.MainMenuOptions.TRANSFER_AMOUNT)
{
result = Utility.OperationState.TRANSFER;
}
break;
case 8:
// Pay loan.
if ((menuOptions & Utility.MainMenuOptions.PAY_LOAN_INSTALLMENT) == Utility.MainMenuOptions.PAY_LOAN_INSTALLMENT)
{
result = Utility.OperationState.PAY_LOAN;
}
break;
case 9:
// Display accounts.
if ((menuOptions & Utility.MainMenuOptions.DISPLAY_ALL_ACCOUNTS) == Utility.MainMenuOptions.DISPLAY_ALL_ACCOUNTS)
{
result = Utility.OperationState.DISPLAY_ACCOUNTS;
}
break;
case 0:
// Display transactions.
if ((menuOptions & Utility.MainMenuOptions.DISPLAY_ALL_TRANSACTIONS) == Utility.MainMenuOptions.DISPLAY_ALL_TRANSACTIONS)
{
result = Utility.OperationState.DISPLAY_TRANSACTIONS;
}
break;
default:
result = Utility.OperationState.INVALID_OPTION;
break;
}
}
else if (char.ToUpper(inputLine[0]) == 'Q')
{
// Exit program called.
result = Utility.OperationState.EXIT_PROGRAM;
}
}
return(result);
}
