AddUserButton.addActionListener(e->{
            user = new User();
            user.setFirstName(firstName.getText());
            user.setLastName(lastName.getText());
            user.setEmail(email.getText());
            inputPassword = password.getPassword();

            user.setPassword(new String( inputPassword));

            user.setAddress(address.getText());
            user.setType((UserType) userTypeBox.getModel().getSelectedItem());
            String numer = phoneNumber.getText();



            try {
                user.setPhoneNumber( Integer.parseInt(numer));

                userService.addUser(user);
            } catch (NumberFormatException e1){
                errorLabel.setText("Wrong phone number format");
            }
            catch (UserAlreadyExistsException e1) {
                errorLabel.setText(e1.getMessage());
            } catch (IllegalArgumentException e1){
                errorLabel.setText(e1.getMessage());
            }