// logic for update details button. updates the customer details in the database
private void button_Click(object sender, RoutedEventArgs e)
{
if (textBoxName.Text == String.Empty || textBoxAddress.Text == String.Empty)
{
MessageBox.Show(@"Please provide all details.");
return;
}
string name = textBoxName.Text;
string address = textBoxAddress.Text;
int curtNumber = Convert.ToInt32(lblCustNumb.Content);
DataLayer.DataLayerFacade.AmendCustomer(curtNumber, name, address);
if (textBoxPassNo.Visibility == Visibility.Visible)
{
if (textBoxAge.Text == String.Empty || textBoxPassNo.Text == String.Empty)
{
MessageBox.Show(@"Please provide all details.");
return;
}
string passportNo = textBoxPassNo.Text;
int age;
try
{
age = Convert.ToInt32(textBoxAge.Text);
}
catch (Exception)
{
MessageBox.Show("Please enter age as a number.");
return;
}
if (age < 0 || age > 101)
{
MessageBox.Show("Please provide age between 0 and 101.");
return;
}
DataLayerFacade.AmendGuest(name, passportNo, age, oldPassportNo);
}
CustomerL CustomerList = new CustomerL();
CustomerList.Show();
this.Close();
MessageBox.Show("Customer details have been updated.");
}
// deletes a customer provided that he/she has no outstanding bookings
private void btnDeleteCust_Click(object sender, RoutedEventArgs e)
{
try
{
int bookings = DataLayer.DataLayerFacade.OutstandingBookings(Convert.ToInt32(lblCustNumb.Content));
if (bookings == 0)
{
DataLayerFacade.DeleteCustomer(Convert.ToInt32(lblCustNumb.Content));
CustomerL CustomerList = new CustomerL();
CustomerList.Show();
this.Close();
MessageBox.Show("Customer has been deleted");
}
else
{
MessageBox.Show("The customer has outstanding bookings. Please cancel those bookings if you want to remove the customer");
}
}
catch (Exception)
{
MessageBox.Show("Unable to delete the customer at the moment. Please try again later.");
}
}
// opens Customer List window
private void btnClients_Click(object sender, RoutedEventArgs e)
{
CustomerL CustomerList = new CustomerL();
CustomerList.Show();
}