static function _apply_coupon()
{
if (STInput::post('st_action') == 'apply_coupon') {
$_SESSION['st_cart_coupon'] = array();
$code = STInput::post('coupon_code');
if (!$code) {
self::$coupon_error = array('status' => 0, 'message' => __('Coupon is not correct', ST_TEXTDOMAIN));
}
$status = self::do_apply_coupon($code);
if (!$status['status']) {
self::$coupon_error = array('status' => 0, 'message' => $status['message']);
}
}
}
