(Unicode C++) 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

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#include <CkRestW.h>
#include <CkBinDataW.h>
#include <CkCrypt2W.h>
#include <CkStringBuilderW.h>

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

    bool success;

    CkRestW 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(L"mws.amazonservices.com",port,bTls,bAutoReconnect);

    rest.put_Host(L"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(L"FeedOptions",L"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.
    CkBinDataW pdfData;
    success = pdfData.LoadFile(L"qa_data/pdf/sample.pdf");

    // Get the MD5 hash of the PDF data.
    CkCrypt2W crypt;
    crypt.put_HashAlgorithm(L"md5");
    crypt.put_EncodingMode(L"base64");
    const wchar_t *md5Hash = crypt.hashBdENC(pdfData);

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

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

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

    rest.AddHeader(L"Content-Type",L"application/octet-stream");
    CkStringBuilderW sbResponseBody;
    success = rest.FullRequestBd(L"POST",L"/Feeds/2009-01-01",pdfData,sbResponseBody);
    if (rest.get_LastMethodSuccess() != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    if (rest.get_ResponseStatusCode() != 200) {
        // Examine the request/response to see what happened.
        wprintf(L"response status code = %d\n",rest.get_ResponseStatusCode());
        wprintf(L"response status text = %s\n",rest.responseStatusText());
        wprintf(L"response header: %s\n",rest.responseHeader());
        wprintf(L"response body: %s\n",sbResponseBody.getAsString());
        wprintf(L"---\n");
        wprintf(L"LastRequestStartLine: %s\n",rest.lastRequestStartLine());
        wprintf(L"LastRequestHeader: %s\n",rest.lastRequestHeader());
    }

    // Examine the XML returned in the response body.
    wprintf(L"%s\n",sbResponseBody.getAsString());
    wprintf(L"----\n");
    wprintf(L"Success.\n");
    }