private void Withdraw(double amount) { if (amount < ATMSession.MIN_WITHDRAWAL_AMOUNT) { var result = WpfMessageBox.Show("Warning", "Minimum withdrawal amount is 100.", MessageBoxButton.OK, WpfMessageBox.MessageBoxImage.Warning, WpfMessageBox.MessageBoxType.Warning); if (result.Equals(MessageBoxResult.OK)) { ATMSession.RestartSessionTimer(); WithdrawAmountTextBox.SelectAll(); WithdrawAmountTextBox.Focus(); } } else if (amount % ATMSession.MULTIPLICATION_AMOUNT != 0) { var result = WpfMessageBox.Show("Warning", "Enter amount in multiplications of " + ATMSession.MULTIPLICATION_AMOUNT, MessageBoxButton.OK, WpfMessageBox.MessageBoxImage.Warning, WpfMessageBox.MessageBoxType.Warning); if (result.Equals(MessageBoxResult.OK)) { ATMSession.RestartSessionTimer(); WithdrawAmountTextBox.SelectAll(); WithdrawAmountTextBox.Focus(); } } else { var dResult = WpfMessageBox.Show("Receipt", "Do you want to print receipt?", MessageBoxButton.YesNo, WpfMessageBox.MessageBoxImage.Question); if (dResult.Equals(MessageBoxResult.Yes)) { ATMSession.RestartSessionTimer(); _canPrintReceipt = true; } else { ATMSession.RestartSessionTimer(); _canPrintReceipt = false; } StartWithdrawing(amount); } }
/// <summary> /// Start withdrawing /// </summary> private void StartWithdrawing(double amount) { ProgressPage progressPage = new ProgressPage(); navigationService.Navigate(progressPage); var progressTimer = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(2000) }; progressTimer.Start(); progressTimer.Tick += (_sender, args) => { DBHelper dBHelper = new DBHelper(); User user = dBHelper.GetUser(ATMSession.AccountNo); transaction = new Transaction(user.User_Id, ATMSession.AccountNo, DateTime.Now, amount); ReturnResult transactionResult = dBHelper.Withdraw(transaction); if (transactionResult == ReturnResult.Success) { ATMSession.RestartSessionTimer(); if (_canPrintReceipt) { CreateReceiptPDF(); } TransactionSuccessMsg(); } else if (transactionResult == ReturnResult.IsEmpty) { var result = WpfMessageBox.Show("Warning", "Your account balance is Rs. 0.00", MessageBoxButton.OK, WpfMessageBox.MessageBoxImage.Warning, WpfMessageBox.MessageBoxType.Warning); if (result.Equals(MessageBoxResult.OK)) { ATMSession.RestartSessionTimer(); WithdrawAmountTextBox.SelectAll(); WithdrawAmountTextBox.Focus(); } } else if (transactionResult == ReturnResult.AmountIsGreater) { var result = WpfMessageBox.Show("Warning", "Entered amount is greater than your account balance.", MessageBoxButton.OK, WpfMessageBox.MessageBoxImage.Warning, WpfMessageBox.MessageBoxType.Warning); if (result.Equals(MessageBoxResult.OK)) { ATMSession.RestartSessionTimer(); WithdrawAmountTextBox.SelectAll(); WithdrawAmountTextBox.Focus(); } } else { var result = WpfMessageBox.Show("Error", "Withdrwal Error. Please contact your bank.", MessageBoxButton.OK, WpfMessageBox.MessageBoxImage.Error, WpfMessageBox.MessageBoxType.Error); if (result.Equals(MessageBoxResult.OK)) { ATMSession.RestartSessionTimer(); WithdrawAmountTextBox.SelectAll(); WithdrawAmountTextBox.Focus(); } } navigationService.GoBack(); progressTimer.Stop(); progressTimer = null; }; }