(Unicode C) Walmart - Update Inventory for an Item

Demonstrates how to update inventory for an item.

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#include <C_CkStringBuilderW.h>
#include <C_CkAuthUtilW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkHttpW.h>
#include <C_CkXmlW.h>

void ChilkatSample(void)
    {
    HCkStringBuilderW sbUrl;
    BOOL success;
    int numReplaced;
    const wchar_t *requestMethod;
    HCkAuthUtilW authUtil;
    const wchar_t *wmConsumerId;
    const wchar_t *wmPrivateKey;
    const wchar_t *jsonStr;
    HCkJsonObjectW json;
    HCkHttpW http;
    int originalAmount;
    HCkXmlW xmlBody;
    const wchar_t *xmlStr;
    HCkXmlW 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 = CkStringBuilderW_Create();
    success = CkStringBuilderW_Append(sbUrl,L"https://marketplace.walmartapis.com/v2/inventory?sku={SKU}");
    numReplaced = CkStringBuilderW_Replace(sbUrl,L"{SKU}",L"HOPP~904~51041");

    requestMethod = L"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 = CkAuthUtilW_Create();

    wmConsumerId = L"WALMART_CONSUMER_ID";
    wmPrivateKey = L"WALMART_PRIVATE_KEY";
    jsonStr = CkAuthUtilW_walmartSignature(authUtil,CkStringBuilderW_getAsString(sbUrl),wmConsumerId,wmPrivateKey,requestMethod);
    if (CkAuthUtilW_getLastMethodSuccess(authUtil) != TRUE) {
        wprintf(L"%s\n",CkAuthUtilW_lastErrorText(authUtil));
        CkStringBuilderW_Dispose(sbUrl);
        CkAuthUtilW_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 = CkJsonObjectW_Create();
    CkJsonObjectW_Load(json,jsonStr);

    http = CkHttpW_Create();
    CkHttpW_SetRequestHeader(http,L"WM_SVC.NAME",L"Walmart Marketplace");
    CkHttpW_SetRequestHeader(http,L"WM_QOS.CORRELATION_ID",CkJsonObjectW_stringOf(json,L"correlation_id"));
    CkHttpW_SetRequestHeader(http,L"WM_SEC.TIMESTAMP",CkJsonObjectW_stringOf(json,L"timestamp"));
    CkHttpW_SetRequestHeader(http,L"WM_SEC.AUTH_SIGNATURE",CkJsonObjectW_stringOf(json,L"signature"));
    CkHttpW_SetRequestHeader(http,L"WM_CONSUMER.ID",wmConsumerId);
    CkHttpW_putAccept(http,L"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 = CkXmlW_Create();
    CkXmlW_putTag(xmlBody,L"wm:inventory");
    CkXmlW_AddAttribute(xmlBody,L"xmlns:wm",L"http://walmart.com/");
    CkXmlW_UpdateChildContent(xmlBody,L"wm:sku",L"HOPP~904~51041");
    CkXmlW_UpdateChildContent(xmlBody,L"wm:quantity|wm:unit",L"EACH");
    CkXmlW_UpdateChildContentInt(xmlBody,L"wm:quantity|wm:amount",originalAmount + 1);
    CkXmlW_UpdateChildContent(xmlBody,L"wm:fulfillmentLagTime",L"5");

    wprintf(L"PUT request body:\n");
    wprintf(L"%s\n",CkXmlW_getXml(xmlBody));
    wprintf(L"--\n");

    // This is a simple PUT that can be sent w/ the PutText method.
    xmlStr = CkHttpW_putText(http,CkStringBuilderW_getAsString(sbUrl),CkXmlW_getXml(xmlBody),L"utf-8",L"application/xml",FALSE,FALSE);
    if (CkHttpW_getLastMethodSuccess(http) != TRUE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkStringBuilderW_Dispose(sbUrl);
        CkAuthUtilW_Dispose(authUtil);
        CkJsonObjectW_Dispose(json);
        CkHttpW_Dispose(http);
        CkXmlW_Dispose(xmlBody);
        return;
    }

    xml = CkXmlW_Create();
    CkXmlW_LoadXml(xml,xmlStr);

    // A successful response should have a 200 response status
    if (CkHttpW_getLastStatus(http) != 200) {
        wprintf(L"%s\n",CkXmlW_getXml(xml));
        wprintf(L"Response Status Code: %d\n",CkHttpW_getLastStatus(http));
        wprintf(L"Failed.\n");
        CkStringBuilderW_Dispose(sbUrl);
        CkAuthUtilW_Dispose(authUtil);
        CkJsonObjectW_Dispose(json);
        CkHttpW_Dispose(http);
        CkXmlW_Dispose(xmlBody);
        CkXmlW_Dispose(xml);
        return;
    }

    // A sample XML response is shown below..
    wprintf(L"%s\n",CkXmlW_getXml(xml));
    wprintf(L"--\n");
    wprintf(L"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>


    CkStringBuilderW_Dispose(sbUrl);
    CkAuthUtilW_Dispose(authUtil);
    CkJsonObjectW_Dispose(json);
    CkHttpW_Dispose(http);
    CkXmlW_Dispose(xmlBody);
    CkXmlW_Dispose(xml);

    }