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(Delphi DLL) Walmart - Get List of Orders

Demonstrates how to get a list of all orders.

Note: This example requires Chilkat v9.5.0.67 or greater.

Chilkat for Delphi Downloads

Chilkat non-ActiveX DLL for Delphi

Chilkat ActiveX DLL for Delphi

* The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, CkDateTime, AuthUtil, StringBuilder, JsonObject, Xml, Http;

...

procedure TForm1.Button1Click(Sender: TObject);
var
sbUrl: HCkStringBuilder;
success: Boolean;
numReplaced: Integer;
dtStartDate: HCkDateTime;
requestMethod: PWideChar;
authUtil: HCkAuthUtil;
wmConsumerId: PWideChar;
wmPrivateKey: PWideChar;
jsonStr: PWideChar;
json: HCkJsonObject;
http: HCkHttp;
xmlStr: PWideChar;
xml: HCkXml;
i: Integer;
numOrders: Integer;
order: HCkXml;
j: Integer;
numOrderLines: Integer;
orderLine: HCkXml;
k: Integer;
numOrderLineStatuses: Integer;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// Demonstrates how to get a list of Walmart orders and parse the XML result.

// ---
// Note: The Walmart documentation indicates that the createdStartDate/createdEndDate query parameters are optional,
// however, this may not actually be the case.  It may be that at least one is required for getting a list of orders.
// ---

// The general format to get orders is as follows:
// GET https://marketplace.walmartapis.com/v3/orders?sku={sku}&customerOrderId={customerOrderId}&purchaseOrderId={purchaseOrderId}&status={status}&createdStartDate={createdStartDate}&createdEndDate={createdEndDate}&fromExpectedShipDate={fromExpectedShipDate}&toExpectedShipDate={toExpectedShipDate}&limit={limit} 

// Let's build a request to get all the orders in the last 7 days.
sbUrl := CkStringBuilder_Create();
success := CkStringBuilder_Append(sbUrl,'https://marketplace.walmartapis.com/v3/orders?createdStartDate={createdStartDate}&limit={limit}');
// We'll just get 2 results so we can demonstrate iterating over the XML..
numReplaced := CkStringBuilder_ReplaceI(sbUrl,'{limit}',2);

// Get the current system date/time and add -7 days to get 1 week ago.
dtStartDate := CkDateTime_Create();
CkDateTime_SetFromCurrentSystemTime(dtStartDate);
CkDateTime_AddDays(dtStartDate,-7);
Memo1.Lines.Add('One week ago (GMT): ' + CkDateTime__getAsTimestamp(dtStartDate,False));

numReplaced := CkStringBuilder_Replace(sbUrl,'{createdStartDate}',CkDateTime__getAsTimestamp(dtStartDate,False));

requestMethod := 'GET';

// First we need to generate a signature for our request.
// The signature needs to be re-generated for each new Walmart HTTP request.
authUtil := CkAuthUtil_Create();

wmConsumerId := 'WALMART_CONSUMER_ID';
wmPrivateKey := 'WALMART_PRIVATE_KEY';
jsonStr := CkAuthUtil__walmartSignature(authUtil,CkStringBuilder__getAsString(sbUrl),wmConsumerId,wmPrivateKey,requestMethod);
if (CkAuthUtil_getLastMethodSuccess(authUtil) <> True) then
  begin
    Memo1.Lines.Add(CkAuthUtil__lastErrorText(authUtil));
    Exit;
  end;

// The JSON returned by WalmartSignature contains the values to be used in the following
// header fields: WM_SEC.AUTH_SIGNATURE, WM_SEC.TIMESTAMP, and WM_QOS.CORRELATION_ID
json := CkJsonObject_Create();
CkJsonObject_Load(json,jsonStr);

http := CkHttp_Create();
CkHttp_SetRequestHeader(http,'WM_SVC.NAME','Walmart Marketplace');
CkHttp_SetRequestHeader(http,'WM_QOS.CORRELATION_ID',CkJsonObject__stringOf(json,'correlation_id'));
CkHttp_SetRequestHeader(http,'WM_SEC.TIMESTAMP',CkJsonObject__stringOf(json,'timestamp'));
CkHttp_SetRequestHeader(http,'WM_SEC.AUTH_SIGNATURE',CkJsonObject__stringOf(json,'signature'));
CkHttp_SetRequestHeader(http,'WM_CONSUMER.ID',wmConsumerId);
// Note: check to see what keyword you should use for your situation.
// The keyword "WALMART_CHANNEL_TYPE" is one option.  Another is "SWAGGER_CHANNEL_TYPE".
CkHttp_SetRequestHeader(http,'WM_CONSUMER.CHANNEL.TYPE','WALMART_CHANNEL_TYPE');

CkHttp_putAccept(http,'application/xml');

// Note: Do not explicitly set the "Host" header.  Chilkat will set it automatically.

xmlStr := CkHttp__quickGetStr(http,CkStringBuilder__getAsString(sbUrl));
if (CkHttp_getLastMethodSuccess(http) <> True) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

xml := CkXml_Create();
CkXml_LoadXml(xml,xmlStr);

// A successful response should have a 200 response status
if (CkHttp_getLastStatus(http) <> 200) then
  begin
    Memo1.Lines.Add(CkXml__getXml(xml));
    Memo1.Lines.Add('Response Status Code: ' + IntToStr(CkHttp_getLastStatus(http)));
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

// A sample XML response is shown below..

// Let's grab some information, and iterate over the XML..
Memo1.Lines.Add('Total number of orders in last 7 days: ' + IntToStr(CkXml_GetChildIntValue(xml,'ns3:meta|ns3:totalCount')));

// The outermost loop loops over the orders.  
// The next inner loop loops over the order lines.
// The innermost loop loops over the order line statuses.
i := 0;
numOrders := CkXml_NumChildrenAt(xml,'ns3:elements');
while i < numOrders do
  begin
    CkXml_putI(xml,i);
    Memo1.Lines.Add('---- order ' + IntToStr(i + 1) + ' ----');

    order := CkXml_GetChildWithTag(xml,'ns3:elements|ns3:order[i]');
    Memo1.Lines.Add('purchaseOrderId: ' + CkXml__getChildContent(order,'ns3:purchaseOrderId'));
    Memo1.Lines.Add('name: ' + CkXml__getChildContent(order,'ns3:shippingInfo|ns3:postalAddress|ns3:name'));

    j := 0;
    numOrderLines := CkXml_NumChildrenAt(order,'ns3:orderLines');
    while j < numOrderLines do
      begin
        CkXml_putJ(order,j);
        orderLine := CkXml_GetChildWithTag(order,'ns3:orderLines|ns3:orderLine[j]');
        Memo1.Lines.Add('  productName: ' + CkXml__getChildContent(orderLine,'ns3:item|ns3:productName'));

        k := 0;
        numOrderLineStatuses := CkXml_NumChildrenAt(orderLine,'ns3:orderLineStatuses');
        while k < numOrderLineStatuses do
          begin
            CkXml_putK(orderLine,k);
            Memo1.Lines.Add('    order line status: ' + CkXml__getChildContent(orderLine,'ns3:orderLineStatuses|ns3:orderLineStatus[k]|ns3:status'));
            Memo1.Lines.Add('    order line carrier: ' + CkXml__getChildContent(orderLine,'ns3:orderLineStatuses|ns3:orderLineStatus[k]|ns3:trackingInfo|ns3:carrierName|ns3:carrier'));
            k := k + 1;
          end;

        CkXml_Dispose(orderLine);
        j := j + 1;
      end;

    CkXml_Dispose(order);
    i := i + 1;
  end;

Memo1.Lines.Add('Success.');

// ---------------------------------------
// Sample XML response
// (The confidential information has been redacted or modified with fake data.
// ---------------------------------------

// <?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
// <ns3:list xmlns:ns2="http://walmart.com/mp/orders" xmlns:ns3="http://walmart.com/mp/v3/orders" xmlns:ns4="http://walmart.com/">
//     <ns3:meta>
//         <ns3:totalCount>239</ns3:totalCount>
//         <ns3:limit>2</ns3:limit>
//         <ns3:nextCursor>?limit=2&amp;hasMoreElements=true&amp;soIndex=239&amp;poIndex=1578652999055&amp;partnerId=10000999999&amp;sellerId=9999&amp;createdStartDate=2017-04-21T19:08:55Z&amp;createdEndDate=2017-04-28T19:08:58.464Z</ns3:nextCursor>
//     </ns3:meta>
//     <ns3:elements>
//         <ns3:order>
//             <ns3:purchaseOrderId>1111641944111</ns3:purchaseOrderId>
//             <ns3:customerOrderId>1111777852111</ns3:customerOrderId>
//             <ns3:customerEmailId>somebody@somewhere.com</ns3:customerEmailId>
//             <ns3:orderDate>2017-04-21T01:25:52.000Z</ns3:orderDate>
//             <ns3:shippingInfo>
//                 <ns3:phone>3175555555</ns3:phone>
//                 <ns3:estimatedDeliveryDate>2017-05-10T06:00:00.000Z</ns3:estimatedDeliveryDate>
//                 <ns3:estimatedShipDate>2017-04-29T06:00:00.000Z</ns3:estimatedShipDate>
//                 <ns3:methodCode>Value</ns3:methodCode>
//                 <ns3:postalAddress>
//                     <ns3:name>barry redacted</ns3:name>
//                     <ns3:address1>9999 redacted dr</ns3:address1>
//                     <ns3:city>Indianapolis</ns3:city>
//                     <ns3:state>IN</ns3:state>
//                     <ns3:postalCode>46227</ns3:postalCode>
//                     <ns3:country>USA</ns3:country>
//                     <ns3:addressType>RESIDENTIAL</ns3:addressType>
//                 </ns3:postalAddress>
//             </ns3:shippingInfo>
//             <ns3:orderLines>
//                 <ns3:orderLine>
//                     <ns3:lineNumber>1</ns3:lineNumber>
//                     <ns3:item>
//                         <ns3:productName>DPX DPx HEST 2.0 Mil-Spec Fixed Blade G10 Multi-Colored</ns3:productName>
//                         <ns3:sku>DPXG~DPHSX008~00317</ns3:sku>
//                     </ns3:item>
//                     <ns3:charges>
//                         <ns3:charge>
//                             <ns3:chargeType>PRODUCT</ns3:chargeType>
//                             <ns3:chargeName>ItemPrice</ns3:chargeName>
//                             <ns3:chargeAmount>
//                                 <ns3:currency>USD</ns3:currency>
//                                 <ns3:amount>125.00</ns3:amount>
//                             </ns3:chargeAmount>
//                         </ns3:charge>
//                     </ns3:charges>
//                     <ns3:orderLineQuantity>
//                         <ns3:unitOfMeasurement>EACH</ns3:unitOfMeasurement>
//                         <ns3:amount>1</ns3:amount>
//                     </ns3:orderLineQuantity>
//                     <ns3:statusDate>2017-04-28T18:09:26.000Z</ns3:statusDate>
//                     <ns3:orderLineStatuses>
//                         <ns3:orderLineStatus>
//                             <ns3:status>Shipped</ns3:status>
//                             <ns3:statusQuantity>
//                                 <ns3:unitOfMeasurement>EACH</ns3:unitOfMeasurement>
//                                 <ns3:amount>1</ns3:amount>
//                             </ns3:statusQuantity>
//                             <ns3:trackingInfo>
//                                 <ns3:shipDateTime>2017-04-24T20:57:52.000Z</ns3:shipDateTime>
//                                 <ns3:carrierName>
//                                     <ns3:carrier>USPS</ns3:carrier>
//                                 </ns3:carrierName>
//                                 <ns3:methodCode>Value</ns3:methodCode>
//                                 <ns3:trackingNumber>redacted</ns3:trackingNumber>
//                                 <ns3:trackingURL>http://walmart.narvar.com/walmart/tracking/usps?redacted</ns3:trackingURL>
//                             </ns3:trackingInfo>
//                         </ns3:orderLineStatus>
//                     </ns3:orderLineStatuses>
//                 </ns3:orderLine>
//             </ns3:orderLines>
//         </ns3:order>
//         <ns3:order>
//             <ns3:purchaseOrderId>1111652066111</ns3:purchaseOrderId>
//             <ns3:customerOrderId>1111778837111</ns3:customerOrderId>
//             <ns3:customerEmailId>somebody2@somewhere.com</ns3:customerEmailId>
//             <ns3:orderDate>2017-04-22T13:37:12.000Z</ns3:orderDate>
//             <ns3:shippingInfo>
//                 <ns3:phone>8435555555</ns3:phone>
//                 <ns3:estimatedDeliveryDate>2017-05-11T06:00:00.000Z</ns3:estimatedDeliveryDate>
//                 <ns3:estimatedShipDate>2017-05-02T06:00:00.000Z</ns3:estimatedShipDate>
//                 <ns3:methodCode>Value</ns3:methodCode>
//                 <ns3:postalAddress>
//                     <ns3:name>Doug Redacted</ns3:name>
//                     <ns3:address1>1111 redacted dr</ns3:address1>
//                     <ns3:city>Columbia</ns3:city>
//                     <ns3:state>SC</ns3:state>
//                     <ns3:postalCode>29527</ns3:postalCode>
//                     <ns3:country>USA</ns3:country>
//                     <ns3:addressType>RESIDENTIAL</ns3:addressType>
//                 </ns3:postalAddress>
//             </ns3:shippingInfo>
//             <ns3:orderLines>
//                 <ns3:orderLine>
//                     <ns3:lineNumber>1</ns3:lineNumber>
//                     <ns3:item>
//                         <ns3:productName>Rayovac Specialty Battery 123A 2PK, RL123A-2D</ns3:productName>
//                         <ns3:sku>RAYO~RL123A-2A~46270</ns3:sku>
//                     </ns3:item>
//                     <ns3:charges>
//                         <ns3:charge>
//                             <ns3:chargeType>PRODUCT</ns3:chargeType>
//                             <ns3:chargeName>ItemPrice</ns3:chargeName>
//                             <ns3:chargeAmount>
//                                 <ns3:currency>USD</ns3:currency>
//                                 <ns3:amount>12.92</ns3:amount>
//                             </ns3:chargeAmount>
//                         </ns3:charge>
//                     </ns3:charges>
//                     <ns3:orderLineQuantity>
//                         <ns3:unitOfMeasurement>EACH</ns3:unitOfMeasurement>
//                         <ns3:amount>1</ns3:amount>
//                     </ns3:orderLineQuantity>
//                     <ns3:statusDate>2017-04-28T17:18:51.000Z</ns3:statusDate>
//                     <ns3:orderLineStatuses>
//                         <ns3:orderLineStatus>
//                             <ns3:status>Shipped</ns3:status>
//                             <ns3:statusQuantity>
//                                 <ns3:unitOfMeasurement>EACH</ns3:unitOfMeasurement>
//                                 <ns3:amount>1</ns3:amount>
//                             </ns3:statusQuantity>
//                             <ns3:trackingInfo>
//                                 <ns3:shipDateTime>2017-04-28T16:50:53.000Z</ns3:shipDateTime>
//                                 <ns3:carrierName>
//                                     <ns3:carrier>USPS</ns3:carrier>
//                                 </ns3:carrierName>
//                                 <ns3:methodCode>Value</ns3:methodCode>
//                                 <ns3:trackingNumber>redacted</ns3:trackingNumber>
//                                 <ns3:trackingURL>http://walmart.narvar.com/walmart/tracking/usps?redacted</ns3:trackingURL>
//                             </ns3:trackingInfo>
//                         </ns3:orderLineStatus>
//                     </ns3:orderLineStatuses>
//                 </ns3:orderLine>
//                 <ns3:orderLine>
//                     <ns3:lineNumber>2</ns3:lineNumber>
//                     <ns3:item>
//                         <ns3:productName>Rayovac Specialty Battery 123A 2PK, RL123A-2D</ns3:productName>
//                         <ns3:sku>RAYO~RL123A-2A~46270</ns3:sku>
//                     </ns3:item>
//                     <ns3:charges>
//                         <ns3:charge>
//                             <ns3:chargeType>PRODUCT</ns3:chargeType>
//                             <ns3:chargeName>ItemPrice</ns3:chargeName>
//                             <ns3:chargeAmount>
//                                 <ns3:currency>USD</ns3:currency>
//                                 <ns3:amount>12.92</ns3:amount>
//                             </ns3:chargeAmount>
//                         </ns3:charge>
//                     </ns3:charges>
//                     <ns3:orderLineQuantity>
//                         <ns3:unitOfMeasurement>EACH</ns3:unitOfMeasurement>
//                         <ns3:amount>1</ns3:amount>
//                     </ns3:orderLineQuantity>
//                     <ns3:statusDate>2017-04-28T17:18:51.000Z</ns3:statusDate>
//                     <ns3:orderLineStatuses>
//                         <ns3:orderLineStatus>
//                             <ns3:status>Shipped</ns3:status>
//                             <ns3:statusQuantity>
//                                 <ns3:unitOfMeasurement>EACH</ns3:unitOfMeasurement>
//                                 <ns3:amount>1</ns3:amount>
//                             </ns3:statusQuantity>
//                             <ns3:trackingInfo>
//                                 <ns3:shipDateTime>2017-04-28T16:50:53.000Z</ns3:shipDateTime>
//                                 <ns3:carrierName>
//                                     <ns3:carrier>USPS</ns3:carrier>
//                                 </ns3:carrierName>
//                                 <ns3:methodCode>Value</ns3:methodCode>
//                                 <ns3:trackingNumber>redacted</ns3:trackingNumber>
//                                 <ns3:trackingURL>http://walmart.narvar.com/walmart/tracking/usps?redacted</ns3:trackingURL>
//                             </ns3:trackingInfo>
//                         </ns3:orderLineStatus>
//                     </ns3:orderLineStatuses>
//                 </ns3:orderLine>
//             </ns3:orderLines>
//         </ns3:order>
//     </ns3:elements>
// </ns3:list>

CkStringBuilder_Dispose(sbUrl);
CkDateTime_Dispose(dtStartDate);
CkAuthUtil_Dispose(authUtil);
CkJsonObject_Dispose(json);
CkHttp_Dispose(http);
CkXml_Dispose(xml);

end;

 

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