(MFC) Walmart - Get All Feed Statuses

Demonstrates how to send a Walmart REST API request to get all feed statuses.

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

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkAuthUtil.h>
#include <CkJsonObject.h>
#include <CkHttp.h>
#include <CkXml.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    // Demonstrates how to send a request such as the following to get all feed statuses:
    // Also demonstrates how to parse the results.

    // GET /v2/feeds HTTP/1.1
    // WM_SVC.NAME: Walmart Marketplace
    // WM_QOS.CORRELATION_ID: 123456abcdef
    // WM_SEC.TIMESTAMP: 1438147839
    // WM_SEC.AUTH_SIGNATURE: 9khb0lPeRt0WSGbXNGGj4kSQ9L6PMBX/q+ovdy9bDQfvdhYs8NoEsjRX4fD7UNIHTddgkmSVqAqeIIHlaLcRIl0Y4DcJqQYHL27LiWlsm91nYodGssWTKsOq6dJfUHEy95M4zXFGWDDhbHYCor28SCV/g/JdEQybGkcX9Zj5aDyg=
    // WM_CONSUMER.ID: a20ac266-9add-4fc7-9392-fec303f5155c
    // Accept: application/xml
    // Host: https://marketplace.walmartapis.com

    const char *requestUrl = "https://marketplace.walmartapis.com/v2/feeds";
    const char *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.
    CkAuthUtil authUtil;

    const char *wmConsumerId = "WALMART_CONSUMER_ID";
    const char *wmPrivateKey = "WALMART_PRIVATE_KEY";
    const char *jsonStr = authUtil.walmartSignature(requestUrl,wmConsumerId,wmPrivateKey,requestMethod);
    if (authUtil.get_LastMethodSuccess() != true) {
        strOut.append(authUtil.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // 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
    CkJsonObject json;
    json.Load(jsonStr);

    CkHttp http;
    http.SetRequestHeader("WM_SVC.NAME","Walmart Marketplace");
    http.SetRequestHeader("WM_QOS.CORRELATION_ID",json.stringOf("correlation_id"));
    http.SetRequestHeader("WM_SEC.TIMESTAMP",json.stringOf("timestamp"));
    http.SetRequestHeader("WM_SEC.AUTH_SIGNATURE",json.stringOf("signature"));
    http.SetRequestHeader("WM_CONSUMER.ID",wmConsumerId);
    http.put_Accept("application/xml");

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

    const char *xmlStr = http.quickGetStr(requestUrl);
    if (http.get_LastMethodSuccess() != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    CkXml xml;
    xml.LoadXml(xmlStr);

    // A successful response should have a 200 response status
    if (http.get_LastStatus() != 200) {
        strOut.append(xml.getXml());
        strOut.append("\r\n");
        strOut.append("Response Status Code: ");
        strOut.appendInt(http.get_LastStatus());
        strOut.append("\r\n");
        strOut.append("Failed.");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // A sample XML response is shown below..

    // To iterate over the Walmart feeds:
    int numFeeds = xml.NumChildrenAt("ns2:results");
    int i = 0;
    while (i < numFeeds) {
        xml.put_I(i);

        strOut.append("Feed ID: ");
        strOut.append(xml.getChildContent("ns2:results|ns2:feed[i]|ns2:feedId"));
        strOut.append("\r\n");
        strOut.append("Feed Type: ");
        strOut.append(xml.getChildContent("ns2:results|ns2:feed[i]|ns2:feedType"));
        strOut.append("\r\n");
        strOut.append("Num Items Recieved: ");
        strOut.appendInt(xml.GetChildIntValue("ns2:results|ns2:feed[i]|ns2:itemsReceived"));
        strOut.append("\r\n");
        strOut.append("Feed Status: ");
        strOut.append(xml.getChildContent("ns2:results|ns2:feed[i]|ns2:feedStatus"));
        strOut.append("\r\n");
        strOut.append("--");
        strOut.append("\r\n");

        i = i + 1;
    }

    strOut.append("Success.");
    strOut.append("\r\n");

    // ---------------------------------------
    // Sample XML response
    // ---------------------------------------

    // <?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
    // <ns2:list xmlns:ns2="http://walmart.com/">
    //     <ns2:totalResults>1293</ns2:totalResults>
    //     <ns2:offset>0</ns2:offset>
    //     <ns2:limit>50</ns2:limit>
    //     <ns2:results>
    //         <ns2:feed>
    //             <ns2:feedId>AAAA7F0345E9403C91223F7139FFC341@AQsBAQA</ns2:feedId>
    //             <ns2:feedType>inventory</ns2:feedType>
    //             <ns2:partnerId>10000999999</ns2:partnerId>
    //             <ns2:itemsReceived>130088</ns2:itemsReceived>
    //             <ns2:itemsSucceeded>113154</ns2:itemsSucceeded>
    //             <ns2:itemsFailed>16934</ns2:itemsFailed>
    //             <ns2:itemsProcessing>0</ns2:itemsProcessing>
    //             <ns2:feedStatus>PROCESSED</ns2:feedStatus>
    //             <ns2:feedDate>2017-04-27T17:05:42.078Z</ns2:feedDate>
    //             <ns2:modifiedDtm>2017-04-27T18:06:10.795Z</ns2:modifiedDtm>
    //         </ns2:feed>
    //         <ns2:feed>
    //             <ns2:feedId>AAAAF1F402CD407FA363AD2929593FFF@AQsBAQA</ns2:feedId>
    //             <ns2:feedType>inventory</ns2:feedType>
    //             <ns2:partnerId>10000999999</ns2:partnerId>
    //             <ns2:itemsReceived>39594</ns2:itemsReceived>
    //             <ns2:itemsSucceeded>34533</ns2:itemsSucceeded>
    //             <ns2:itemsFailed>5061</ns2:itemsFailed>
    //             <ns2:itemsProcessing>0</ns2:itemsProcessing>
    //             <ns2:feedStatus>PROCESSED</ns2:feedStatus>
    //             <ns2:feedDate>2017-04-27T05:18:59.739Z</ns2:feedDate>
    //             <ns2:modifiedDtm>2017-04-27T05:20:30.192Z</ns2:modifiedDtm>
    //         </ns2:feed>
    // ...
    //     </ns2:results>
    // </ns2:list>


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }