fn add_edit_contact(app: &mut Cursive, contact_to_edit: Option<Contact>) {
    app.pop_layer();
    let contact_clone = contact_to_edit.clone(); // make a local owned copy
    let mut first_name_view = LinearLayout::horizontal();
    first_name_view.add_child(TextView::new("First name: "));
    first_name_view.add_child(EditView::new().with_name("first-name-edit").fixed_width(30));

    let mut last_name_view = LinearLayout::horizontal();
    last_name_view.add_child(TextView::new("Last name: "));
    last_name_view.add_child(EditView::new().with_name("last-name-edit").fixed_width(30));

    let mut email_view = LinearLayout::horizontal();
    email_view.add_child(TextView::new("Email: "));
    email_view.add_child(EditView::new().with_name("email-edit").fixed_width(30));

    let mut phone_view = LinearLayout::horizontal();
    phone_view.add_child(TextView::new("Phone: "));
    phone_view.add_child(EditView::new().with_name("phone-edit").fixed_width(30));

    let mut first_name_edit = first_name_view
        .find_name::<EditView>("first-name-edit")
        .unwrap();
    let mut last_name_edit = last_name_view
        .find_name::<EditView>("last-name-edit")
        .unwrap();

    let mut email_edit = email_view.find_name::<EditView>("email-edit").unwrap();
    let mut phone_edit = phone_view.find_name::<EditView>("phone-edit").unwrap();

    if let Some(c) = contact_to_edit {
        first_name_edit.set_content(c.first_name);
        last_name_edit.set_content(c.last_name);
        email_edit.set_content(c.email);
        phone_edit.set_content(c.phone);
    }

    let mut layout = LinearLayout::vertical();
    layout.add_child(first_name_view);
    layout.add_child(last_name_view);
    layout.add_child(phone_view);
    layout.add_child(email_view);
    app.add_layer(
        Dialog::new()
            .title("Add Contact")
            .padding_lrtb(1, 1, 1, 0)
            .content(layout)
            .button("Ok", move |a| {
                let mut res = Contact {
                    id: 0,
                    first_name: a
                        .find_name::<EditView>("first-name-edit")
                        .unwrap()
                        .get_content()
                        .to_string(),
                    last_name: a
                        .find_name::<EditView>("last-name-edit")
                        .unwrap()
                        .get_content()
                        .to_string(),
                    phone: a
                        .find_name::<EditView>("phone-edit")
                        .unwrap()
                        .get_content()
                        .to_string(),
                    email: a
                        .find_name::<EditView>("email-edit")
                        .unwrap()
                        .get_content()
                        .to_string(),
                };
                if let Some(c) = contact_clone.clone() {
                    let res = Contact {
                        id: c.id,
                        first_name: res.first_name,
                        last_name: res.last_name,
                        phone: res.phone,
                        email: res.email,
                    };
                    edit_product_from_file(res);
                } else {
                    add_product_to_file(res);
                }

                show_menu(a);
            }),
    );
}