(Go) Walmart - Update Inventory for an Item

Demonstrates how to update inventory for an item.

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

    // 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 := chilkat.NewStringBuilder()
    success := sbUrl.Append("https://marketplace.walmartapis.com/v2/inventory?sku={SKU}")
    numReplaced := sbUrl.Replace("{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 := chilkat.NewAuthUtil()

    wmConsumerId := "WALMART_CONSUMER_ID"
    wmPrivateKey := "WALMART_PRIVATE_KEY"
    jsonStr := authUtil.WalmartSignature(*sbUrl.GetAsString(),wmConsumerId,wmPrivateKey,requestMethod)
    if authUtil.LastMethodSuccess() != true {
        fmt.Println(authUtil.LastErrorText())
        sbUrl.DisposeStringBuilder()
        authUtil.DisposeAuthUtil()
        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 := chilkat.NewJsonObject()
    json.Load(*jsonStr)

    http := chilkat.NewHttp()
    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.SetAccept("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 := chilkat.NewXml()
    xmlBody.SetTag("wm:inventory")
    xmlBody.AddAttribute("xmlns:wm","http://walmart.com/")
    xmlBody.UpdateChildContent("wm:sku","HOPP~904~51041")
    xmlBody.UpdateChildContent("wm:quantity|wm:unit","EACH")
    xmlBody.UpdateChildContentInt("wm:quantity|wm:amount",originalAmount + 1)
    xmlBody.UpdateChildContent("wm:fulfillmentLagTime","5")

    fmt.Println("PUT request body:")
    fmt.Println(*xmlBody.GetXml())
    fmt.Println("--")

    // This is a simple PUT that can be sent w/ the PutText method.
    xmlStr := http.PutText(*sbUrl.GetAsString(),*xmlBody.GetXml(),"utf-8","application/xml",false,false)
    if http.LastMethodSuccess() != true {
        fmt.Println(http.LastErrorText())
        sbUrl.DisposeStringBuilder()
        authUtil.DisposeAuthUtil()
        json.DisposeJsonObject()
        http.DisposeHttp()
        xmlBody.DisposeXml()
        return
    }

    xml := chilkat.NewXml()
    xml.LoadXml(*xmlStr)

    // A successful response should have a 200 response status
    if http.LastStatus() != 200 {
        fmt.Println(*xml.GetXml())
        fmt.Println("Response Status Code: ", http.LastStatus())
        fmt.Println("Failed.")
        sbUrl.DisposeStringBuilder()
        authUtil.DisposeAuthUtil()
        json.DisposeJsonObject()
        http.DisposeHttp()
        xmlBody.DisposeXml()
        xml.DisposeXml()
        return
    }

    // A sample XML response is shown below..
    fmt.Println(*xml.GetXml())
    fmt.Println("--")
    fmt.Println("Success!")

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

    sbUrl.DisposeStringBuilder()
    authUtil.DisposeAuthUtil()
    json.DisposeJsonObject()
    http.DisposeHttp()
    xmlBody.DisposeXml()
    xml.DisposeXml()