(Unicode C++) MWS SubmitFeed (Amazon Marketplace Web Service)

Uploads a feed for processing by Amazon MWS.

See Amazon MWS SubmitFeed for the Amazon MWS SubmitFeed reference documentation.

Important: The Chilkat v9.5.0.75 release accidentally breaks Amazon MWS (not AWS) authentication. If you need MWS with 9.5.0.75, send email to support@chilkatsoft.com for a hotfix, or revert back to v9.5.0.73, or update to a version after 9.5.0.75.

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

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

    bool success;

    // This example will send an XML file in the HTTP request body.  
    // First we'll construct the XML, then we'll compute the MD5 digest which needs to be added as a query param..

    // Construct the following XML.   (This is just a sample XML body..)

    // <AmazonEnvelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    //     xsi:noNamespaceSchemaLocation="amzn-envelope.xsd">
    //   <Header>
    //     <DocumentVersion>1.01</DocumentVersion>
    //     <MerchantIdentifier>M_EXAMPLE_123456</MerchantIdentifier>
    //   </Header>
    //   <MessageType>Product</MessageType>
    //   <PurgeAndReplace>false</PurgeAndReplace>
    //   <Message>
    //     <MessageID>1</MessageID>
    //     <OperationType>Update</OperationType>
    //     <Product>
    //       <SKU>56789</SKU>
    //       <StandardProductID>
    //         <Type>ASIN</Type>
    //         <Value>B0EXAMPLEG</Value>
    //       </StandardProductID>
    //       <ProductTaxCode>A_GEN_NOTAX</ProductTaxCode>
    //       <DescriptionData>
    //         <Title>Example Product Title</Title>
    //         <Brand>Example Product Brand</Brand>
    //         <Description>This is an example product description.</Description>
    //         <BulletPoint>Example Bullet Point 1</BulletPoint>
    //         <BulletPoint>Example Bullet Point 2</BulletPoint>
    //         <MSRP currency="USD">25.19</MSRP>
    //         <Manufacturer>Example Product Manufacturer</Manufacturer>
    //         <ItemType>example-item-type</ItemType>
    //       </DescriptionData>
    //       <ProductData>
    //         <Health>
    //           <ProductType>
    //             <HealthMisc>
    //               <Ingredients>Example Ingredients</Ingredients>
    //               <Directions>Example Directions</Directions>
    //             </HealthMisc>
    //           </ProductType>
    //         </Health>
    //       </ProductData>
    //     </Product>
    //   </Message>
    // </AmazonEnvelope>

    // This code was generated by pasting the above XML into the online tool at http://tools.chilkat.io/xmlCreate.cshtml
    CkXmlW xml;
    xml.put_Tag(L"AmazonEnvelope");
    xml.AddAttribute(L"xmlns:xsi",L"http://www.w3.org/2001/XMLSchema-instance");
    xml.AddAttribute(L"xsi:noNamespaceSchemaLocation",L"amzn-envelope.xsd");
    xml.UpdateChildContent(L"Header|DocumentVersion",L"1.01");
    xml.UpdateChildContent(L"Header|MerchantIdentifier",L"M_EXAMPLE_123456");
    xml.UpdateChildContent(L"MessageType",L"Product");
    xml.UpdateChildContent(L"PurgeAndReplace",L"false");
    xml.UpdateChildContent(L"Message|MessageID",L"1");
    xml.UpdateChildContent(L"Message|OperationType",L"Update");
    xml.UpdateChildContent(L"Message|Product|SKU",L"56789");
    xml.UpdateChildContent(L"Message|Product|StandardProductID|Type",L"ASIN");
    xml.UpdateChildContent(L"Message|Product|StandardProductID|Value",L"B0EXAMPLEG");
    xml.UpdateChildContent(L"Message|Product|ProductTaxCode",L"A_GEN_NOTAX");
    xml.UpdateChildContent(L"Message|Product|DescriptionData|Title",L"Example Product Title");
    xml.UpdateChildContent(L"Message|Product|DescriptionData|Brand",L"Example Product Brand");
    xml.UpdateChildContent(L"Message|Product|DescriptionData|Description",L"This is an example product description.");
    xml.UpdateChildContent(L"Message|Product|DescriptionData|BulletPoint",L"Example Bullet Point 1");
    xml.UpdateChildContent(L"Message|Product|DescriptionData|BulletPoint[1]",L"Example Bullet Point 2");
    xml.UpdateAttrAt(L"Message|Product|DescriptionData|MSRP",true,L"currency",L"USD");
    xml.UpdateChildContent(L"Message|Product|DescriptionData|MSRP",L"25.19");
    xml.UpdateChildContent(L"Message|Product|DescriptionData|Manufacturer",L"Example Product Manufacturer");
    xml.UpdateChildContent(L"Message|Product|DescriptionData|ItemType",L"example-item-type");
    xml.UpdateChildContent(L"Message|Product|ProductData|Health|ProductType|HealthMisc|Ingredients",L"Example Ingredients");
    xml.UpdateChildContent(L"Message|Product|ProductData|Health|ProductType|HealthMisc|Directions",L"Example Directions");

    // Get the XML in the most compact form for the feed submission.
    CkStringBuilderW sbXml;
    xml.put_EmitCompact(true);
    xml.GetXmlSb(sbXml);

    // Get the MD5 hash..
    CkCrypt2W crypt;
    crypt.put_HashAlgorithm(L"md5");
    const wchar_t *contentMd5Value = crypt.hashStringENC(sbXml.getAsString());

    CkRestW rest;

    // Connect to the Amazon MWS REST server.
    // 
    // Make sure to connect to the correct Amazon MWS Endpoing, otherwise
    // you'll get an HTTP 401 response code.
    // 
    // The possible servers are:
    // 
    // North America (NA) 	https://mws.amazonservices.com
    // Europe (EU) 	https://mws-eu.amazonservices.com
    // India (IN) 	https://mws.amazonservices.in
    // China (CN) 	https://mws.amazonservices.com.cn
    // Japan (JP) 	https://mws.amazonservices.jp 
    // 
    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");

    rest.AddQueryParam(L"AWSAccessKeyId",L"0PB842ExampleN4ZTR2");
    rest.AddQueryParam(L"Action",L"SubmitFeed");
    rest.AddQueryParam(L"FeedType",L"_POST_PRODUCT_DATA_");
    rest.AddQueryParam(L"MWSAuthToken",L"amzn.mws.4ea38b7b-f563-7709-4bae-87aeaEXAMPLE");
    rest.AddQueryParam(L"MarketplaceId.Id.1",L"ATVExampleDER");
    rest.AddQueryParam(L"SellerId",L"A1XExample5E6");
    rest.AddQueryParam(L"ContentMD5Value",contentMd5Value);
    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"MWS_SECRET_ACCESS_KEY_ID");

    rest.AddHeader(L"Content-Type",L"text/xml");
    const wchar_t *responseXml = rest.fullRequestString(L"POST",L"/Feeds/2009-01-01",sbXml.getAsString());
    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",responseXml);
        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",responseXml);
    wprintf(L"----\n");
    wprintf(L"Success.\n");
    }