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(C) Walmart - Update Inventory for an Item

Demonstrates how to update inventory for an item.

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

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#include <C_CkStringBuilder.h>
#include <C_CkAuthUtil.h>
#include <C_CkJsonObject.h>
#include <C_CkHttp.h>
#include <C_CkXml.h>

void ChilkatSample(void)
    {
    HCkStringBuilder sbUrl;
    BOOL success;
    int numReplaced;
    const char *requestMethod;
    HCkAuthUtil authUtil;
    const char *wmConsumerId;
    const char *wmPrivateKey;
    const char *jsonStr;
    HCkJsonObject json;
    HCkHttp http;
    int originalAmount;
    HCkXml xmlBody;
    const char *xmlStr;
    HCkXml xml;

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

    // Sends the following PUT request:
    // PUT https://marketplace.walmartapis.com/v2/inventory?sku={SKU}

    sbUrl = CkStringBuilder_Create();
    success = CkStringBuilder_Append(sbUrl,"https://marketplace.walmartapis.com/v2/inventory?sku={SKU}");
    numReplaced = CkStringBuilder_Replace(sbUrl,"{SKU}","HOPP~904~51041");

    requestMethod = "PUT";

    // 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) {
        printf("%s\n",CkAuthUtil_lastErrorText(authUtil));
        CkStringBuilder_Dispose(sbUrl);
        CkAuthUtil_Dispose(authUtil);
        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
    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);
    CkHttp_putAccept(http,"application/xml");

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

    // The body of the PUT request will be XML that looks like this:

    // 	<?xml version="1.0" encoding="utf-8" ?>
    // 	<wm:inventory xmlns:wm="http://walmart.com/">
    // 	    <wm:sku>HOPP~904~51041</wm:sku>
    // 	    <wm:quantity>
    // 	        <wm:unit>EACH</wm:unit>
    // 	        <wm:amount>235</wm:amount>
    // 	    </wm:quantity>
    // 	    <wm:fulfillmentLagTime>5</wm:fulfillmentLagTime>
    // 	</wm:inventory>

    // Build the XML request body:
    originalAmount = 234;

    xmlBody = CkXml_Create();
    CkXml_putTag(xmlBody,"wm:inventory");
    CkXml_AddAttribute(xmlBody,"xmlns:wm","http://walmart.com/");
    CkXml_UpdateChildContent(xmlBody,"wm:sku","HOPP~904~51041");
    CkXml_UpdateChildContent(xmlBody,"wm:quantity|wm:unit","EACH");
    CkXml_UpdateChildContentInt(xmlBody,"wm:quantity|wm:amount",originalAmount + 1);
    CkXml_UpdateChildContent(xmlBody,"wm:fulfillmentLagTime","5");

    printf("PUT request body:\n");
    printf("%s\n",CkXml_getXml(xmlBody));
    printf("--\n");

    // This is a simple PUT that can be sent w/ the PutText method.
    xmlStr = CkHttp_putText(http,CkStringBuilder_getAsString(sbUrl),CkXml_getXml(xmlBody),"utf-8","application/xml",FALSE,FALSE);
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkStringBuilder_Dispose(sbUrl);
        CkAuthUtil_Dispose(authUtil);
        CkJsonObject_Dispose(json);
        CkHttp_Dispose(http);
        CkXml_Dispose(xmlBody);
        return;
    }

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

    // A successful response should have a 200 response status
    if (CkHttp_getLastStatus(http) != 200) {
        printf("%s\n",CkXml_getXml(xml));
        printf("Response Status Code: %d\n",CkHttp_getLastStatus(http));
        printf("Failed.\n");
        CkStringBuilder_Dispose(sbUrl);
        CkAuthUtil_Dispose(authUtil);
        CkJsonObject_Dispose(json);
        CkHttp_Dispose(http);
        CkXml_Dispose(xmlBody);
        CkXml_Dispose(xml);
        return;
    }

    // A sample XML response is shown below..
    printf("%s\n",CkXml_getXml(xml));
    printf("--\n");
    printf("Success!\n");

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

    // <?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
    // <inventory xmlns="http://walmart.com/">
    //     <sku>HOPP~904~51041</sku>
    //     <quantity>
    //         <unit>EACH</unit>
    //         <amount>235</amount>
    //     </quantity>
    //     <fulfillmentLagTime>5</fulfillmentLagTime>
    // </inventory>


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

    }

 

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