Connectster.Shopify.ShopifyCommunicator.GetListAllOrders C# (CSharp) Method

        public List<ShopifyOrder> GetListAllOrders(ShopifyStoreAuth storeAuth)
        {
            List<ShopifyOrder> returnList = null;
            XmlDocument responseDoc = ShopifyGet((_protocol + storeAuth.StoreSubDomain + _domain + "/admin/orders.xml"),
                                                 HashString(_appAuth.Secret + storeAuth.StoreAuthToken));

            if (responseDoc != null)
            {
                XmlNodeList errors = responseDoc.SelectNodes("//errors/error");
                if (errors != null)
                    if (errors.Count != 0)
                    {
                        var sw = new StringWriter();
                        var xw = new XmlTextWriter(sw);
                        responseDoc.WriteTo(xw);

                        Logger.ErrorFormat("ShopifyCommunicator::GetAllOrders(): Shopify returned errors: {0}",
                                           sw);
                        //for now we fall through and take whatever orders we can.
                    }

                XmlNodeList orders = responseDoc.SelectNodes("//orders/order");

                if (orders != null)
                {
                    returnList = new List<ShopifyOrder>(orders.Count);

                    foreach (XmlNode order in orders)
                    {
                        var orderDoc = new XmlDocument();
                        orderDoc.AppendChild(orderDoc.ImportNode(order, true));
                        var serializedResponse = new ShopifyResponse<ShopifyOrder>(orderDoc);

                        if (serializedResponse.State == ResponseState.OK)
                        {
                            returnList.Add(serializedResponse.ResponseObject);
                        }
                        else
                        {
                            XmlNodeList orderId = responseDoc.SelectNodes("//order/id");
                            if (orderId != null)
                            {
                                string id = orderId.Count > 0 ? orderId[0].InnerText : "unknown";
                                Logger.ErrorFormat(
                                    "ShopifyCommunicator()::GetListAllOrders(): Error deserializing order id={0}.", id);
                            }
                        }
                    }
                }
            }
            return returnList;
        }