Themes::activate PHP Méthode

    public function activate()
    {
        $this->user->restrict('Site.Themes.Manage');
        if ($theme_name = $this->uri->rsegment(3)) {
            if ($theme_name = $this->Themes_model->activateTheme($theme_name)) {
                $this->alert->set('success', sprintf($this->lang->line('alert_success'), 'Theme [' . $theme_name . '] set as default '));
            }
        }
        redirect('themes');
    }