class Points
{
    /**
     * Apply points and return `$_SESSION['usces_entry']['order']`
     *
     * @author Evan D Shaw <evandanielshaw@gmail.com>
     * @global \usc_e_shop $usces
     * @return array
     */
    public function usePoints() {
        global $usces;

        $error_message = $usces->point_check($usces->cart->get_entry());
        if (!empty($error_message)) {
            return ['error' => $error_message];
        }

        (new Fees())->setFees();

        return (new WelcartEntries())->getOrder();
    }
}