AliPay - After AliPay authorization, the order is saved and payment is completed

routes.py

@alipay_blueprint.route('/alipay_return_uri/', methods=['GET', 'POST'])
def alipay_return_uri(order_identifier):
    """
    Charge Object creation & Order finalization for Alipay payments.
    :param order_identifier:
    :return: JSON response of the payment status.
    """
    try:
        charge_response = AliPayPaymentsManager.charge_source(order_identifier)
        if charge_response.status == 'succeeded':
            order = safe_query(db, Order, 'identifier', order_identifier, 'identifier')
            order.status = 'completed'
            save_to_db(order)
            return redirect(make_frontend_url('/orders/{}/view'.format(order_identifier)))
        else:
            return jsonify(status=False, error='Charge object failure')
    except TypeError:
        return jsonify(status=False, error='Source object status error')