private async void AuthenticateUser()
{
string usernameInput = UserNameTextbox.Text;
string passwordInput = PasswordTextbox.Text;
try
{
LoaderForm loader = new LoaderForm();
this.Hide();
loader.Show();
await Task.Run(() => { employee = new Employee(usernameInput, passwordInput); });
loader.Close();
int returnedEmployeeID = employee.GetEmployeeID();
if (returnedEmployeeID > 0)
{
POSForm posForm = new POSForm(returnedEmployeeID);
posForm.Show();
this.Close();
}
}
catch (Exception egf)
{
this.Show();
MessageBox.Show("Invalid username and password. Try again...");
UserNameTextbox.Text = "";
PasswordTextbox.Text = "";
}
}
//get input of payments and finishing order payment
private async void CompleteOrderTransaction()
{
decimal employeeDiscount = 0;
decimal.TryParse(OrderDiscountControl.UserInput, out employeeDiscount);
decimal TotalMoneyPaidByCash = 0;
decimal.TryParse(CashPaymentControl.UserInput, out TotalMoneyPaidByCash);
decimal TotalMoneyPaidByCard = 0;
decimal.TryParse(CardPaymentControl.UserInput, out TotalMoneyPaidByCard);
int TotalRedeemPoints = 0;
int.TryParse(RedeemPointControl.UserInput, out TotalRedeemPoints);
try
{
CurrentOrder.AddEmployeeDiscount(employeeDiscount);
CurrentOrder.PayByCard(TotalMoneyPaidByCard);
CurrentOrder.PayByCash(TotalMoneyPaidByCash);
CurrentOrder.RedeemCustomerPoints(TotalRedeemPoints);
var change = CurrentOrder.GetBalanceDue();
MessageBox.Show("Change Due: " + change.ToString());
if (change >= 0)
{
LoaderForm loader = new LoaderForm();
loader.Show();
await Task.Run(() =>
{
try
{
CurrentOrder.SaveOrderToDatabase();
}
catch { }
});
loader.Close();
this.CloseCurrentOrder(this);
}
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
