(Node.js) Amazon MWS Upload Invoice

Demonstrates how to upload an invoice using _UPLOAD_VAT_INVOICE_FeedType to submit an invoice for an order.

For more information, see https://m.media-amazon.com/images/G/03/B2B/invoice-uploader-developer-documentation.pdf

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

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

    var success;

    var rest = new chilkat.Rest();

    // Connect to the Amazon MWS REST server.
    // 
    // Make sure to connect to the correct Amazon MWS Endpoint, otherwise
    // you'll get an HTTP 401 response code.
    // 
    // See Amazon MWS endpoints and MarketplaceId values

    var bTls = true;
    var port = 443;
    var bAutoReconnect = true;
    success = rest.Connect("mws.amazonservices.com",port,bTls,bAutoReconnect);

    rest.Host = "mws.amazonservices.com";

    // MarketplaceList.Id parameter This should be the marketplace in which the order was placed. Only one marketplace must be used per order.T
    // Here are the marketplace ID's
    // Spain: A1RKKUPIHCS9HS
    // UK: A1F83G8C2ARO7P
    // France: A13V1IB3VIYZZH
    // Germany: A1PA6795UKMFR9
    // Italy: APJ6JRA9NG5V4
    // ...
    // (See https://docs.developer.amazonservices.com/en_US/dev_guide/DG_Endpoints.html)

    // FeedOptions parameter  Seller can input key value pairs to give important metadata along with the PDF invoice.
    rest.AddQueryParam("FeedOptions","metadata:orderid=206-2341234-3455465;metadata:invoicenumber=INT-3431-XJE3;metadata:documenttype=Invoice");

    // Load the PDF invoice file that is to be the body of the HTTP POST request.
    var pdfData = new chilkat.BinData();
    success = pdfData.LoadFile("qa_data/pdf/sample.pdf");

    // Get the MD5 hash of the PDF data.
    var crypt = new chilkat.Crypt2();
    crypt.HashAlgorithm = "md5";
    crypt.EncodingMode = "base64";
    var md5Hash = crypt.HashBdENC(pdfData);

    rest.AddQueryParam("AWSAccessKeyId","0PB842ExampleN4ZTR2");
    rest.AddQueryParam("Action","SubmitFeed");
    rest.AddQueryParam("FeedType","_UPLOAD_VAT_INVOICE_");
    rest.AddQueryParam("MWSAuthToken","EXAMPLE-amzn.mws.4ea38b7b-f563-7709-4bae-87aea-EXAMPLE");

    rest.AddQueryParam("MarketplaceIdList.Id.1","ATVExampleDER");
    rest.AddQueryParam("SellerId","A1XExample5E6");
    rest.AddQueryParam("ContentMD5Value",md5Hash);
    rest.AddQueryParam("SignatureMethod","HmacSHA256");
    rest.AddQueryParam("SignatureVersion","2");
    rest.AddQueryParam("Version","2009-01-01");

    // Add the MWS Signature param.  (Also adds the Timestamp parameter using the curent system date/time.)
    rest.AddMwsSignature("POST","/Feeds/2009-01-01","mws.amazonservices.com","YOUR_MWS_SECRET_ACCESS_KEY_ID");

    rest.AddHeader("Content-Type","application/octet-stream");
    var sbResponseBody = new chilkat.StringBuilder();
    success = rest.FullRequestBd("POST","/Feeds/2009-01-01",pdfData,sbResponseBody);
    if (rest.LastMethodSuccess !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    if (rest.ResponseStatusCode !== 200) {
        // Examine the request/response to see what happened.
        console.log("response status code = " + rest.ResponseStatusCode);
        console.log("response status text = " + rest.ResponseStatusText);
        console.log("response header: " + rest.ResponseHeader);
        console.log("response body: " + sbResponseBody.GetAsString());
        console.log("---");
        console.log("LastRequestStartLine: " + rest.LastRequestStartLine);
        console.log("LastRequestHeader: " + rest.LastRequestHeader);
    }

    // Examine the XML returned in the response body.
    console.log(sbResponseBody.GetAsString());
    console.log("----");
    console.log("Success.");

}

chilkatExample();