public function __construct(Tv $tv, $title, $icon_url)
{
parent::__construct($tv->get_all_channel_group_id(), $title, $icon_url);
$this->tv = $tv;
}
public function __construct(Tv $tv, $id, $title, $icon_url)
{
parent::__construct($id, $title, $icon_url);
$this->tv = $tv;
}