(MFC) 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

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkRest.h>
#include <CkBinData.h>
#include <CkCrypt2.h>
#include <CkStringBuilder.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    bool success;

    CkRest 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

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

    rest.put_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.
    CkBinData pdfData;
    success = pdfData.LoadFile("qa_data/pdf/sample.pdf");

    // Get the MD5 hash of the PDF data.
    CkCrypt2 crypt;
    crypt.put_HashAlgorithm("md5");
    crypt.put_EncodingMode("base64");
    const char *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");
    CkStringBuilder sbResponseBody;
    success = rest.FullRequestBd("POST","/Feeds/2009-01-01",pdfData,sbResponseBody);
    if (rest.get_LastMethodSuccess() != true) {
        strOut.append(rest.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    if (rest.get_ResponseStatusCode() != 200) {
        // Examine the request/response to see what happened.
        strOut.append("response status code = ");
        strOut.appendInt(rest.get_ResponseStatusCode());
        strOut.append("\r\n");
        strOut.append("response status text = ");
        strOut.append(rest.responseStatusText());
        strOut.append("\r\n");
        strOut.append("response header: ");
        strOut.append(rest.responseHeader());
        strOut.append("\r\n");
        strOut.append("response body: ");
        strOut.append(sbResponseBody.getAsString());
        strOut.append("\r\n");
        strOut.append("---");
        strOut.append("\r\n");
        strOut.append("LastRequestStartLine: ");
        strOut.append(rest.lastRequestStartLine());
        strOut.append("\r\n");
        strOut.append("LastRequestHeader: ");
        strOut.append(rest.lastRequestHeader());
        strOut.append("\r\n");
    }

    // Examine the XML returned in the response body.
    strOut.append(sbResponseBody.getAsString());
    strOut.append("\r\n");
    strOut.append("----");
    strOut.append("\r\n");
    strOut.append("Success.");
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }