Automated Login Controller

I just wanted to contribute/discuss as to how we can control access to a particular section in our web application.

Lets suppose we have a Controller called "Dashboard". We want to restrict only users from the Group "Foxy" to view it. Instead of extending the Dashboard controller with CI_Controller, I would extent it by Foxy_Controller which is a Library file as follows.

<?php defined('BASEPATH') OR exit('No direct script access allowed');
class Foxy_Controller extends CI_Controller {
    
    function __construct()
    {
        parent::__construct();        
        if (! $this->ion_auth->logged_in())
        {
            redirect('login', 'refresh');
        }else{
            if(! $this->ion_auth->in_group('Foxy')){
                //Someone is playing here - lets logout to be safe
                $logout = $this->ion_auth->logout();
                redirect('login', 'refresh');
                //You can instead show a 404 Error page here. Your call!
            }
        }
    }
    
}

So now whenever I need a "Foxy" only section - I would just extend the controller by Foxy_Controller. Suggestions are most welcome!