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C# UWP/WinRT Web API Examples

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(C# UWP/WinRT) 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 Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

// 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

string requestUrl = "https://marketplace.walmartapis.com/v2/feeds";
string 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.
Chilkat.AuthUtil authUtil = new Chilkat.AuthUtil();

string wmConsumerId = "WALMART_CONSUMER_ID";
string wmPrivateKey = "WALMART_PRIVATE_KEY";
string jsonStr = authUtil.WalmartSignature(requestUrl,wmConsumerId,wmPrivateKey,requestMethod);
if (authUtil.LastMethodSuccess != true) {
    Debug.WriteLine(authUtil.LastErrorText);
    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
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.Load(jsonStr);

Chilkat.Http http = new Chilkat.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.Accept = "application/xml";

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

string xmlStr = await http.QuickGetStrAsync(requestUrl);
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Chilkat.Xml xml = new Chilkat.Xml();
xml.LoadXml(xmlStr);

// A successful response should have a 200 response status
if (http.LastStatus != 200) {
    Debug.WriteLine(xml.GetXml());
    Debug.WriteLine("Response Status Code: " + Convert.ToString(http.LastStatus));
    Debug.WriteLine("Failed.");
    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.I = i;

    Debug.WriteLine("Feed ID: " + xml.GetChildContent("ns2:results|ns2:feed[i]|ns2:feedId"));
    Debug.WriteLine("Feed Type: " + xml.GetChildContent("ns2:results|ns2:feed[i]|ns2:feedType"));
    Debug.WriteLine("Num Items Recieved: " + Convert.ToString(xml.GetChildIntValue("ns2:results|ns2:feed[i]|ns2:itemsReceived")));
    Debug.WriteLine("Feed Status: " + xml.GetChildContent("ns2:results|ns2:feed[i]|ns2:feedStatus"));
    Debug.WriteLine("--");

    i = i + 1;
}

Debug.WriteLine("Success.");

// ---------------------------------------
// 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>

 

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