(C++) Amazon SP-API Create Feed

See more Amazon SP-API Examples

Creates a feed. Amazon returns a feedDocumentId value, encryption details, and a URL for uploading the feed contents.

For more information, see https://developer-docs.amazon.com/sp-api/docs/feeds-api-v2020-09-04-use-case-guide

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#include <CkAuthAws.h>
#include <CkRest.h>
#include <CkJsonObject.h>
#include <CkStringBuilder.h>

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

    CkAuthAws authAws;
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");
    authAws.put_ServiceName("execute-api");
    // Use the region that is correct for your needs.
    authAws.put_Region("eu-west-1");

    CkRest rest;
    bool success = rest.Connect("sellingpartnerapi-eu.amazon.com",443,true,true);
    if (success == false) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    success = rest.SetAuthAws(authAws);

    // Load the previously obtained LWA access token.
    // See Fetch SP-API LWA Access Token
    CkJsonObject jsonToken;
    success = jsonToken.LoadFile("qa_data/tokens/sp_api_lwa_token.json");
    if (success == false) {
        std::cout << "Failed to load LWA access token." << "\r\n";
        return;
    }

    // Add the x-amz-access-token request header.
    const char *lwa_token = jsonToken.stringOf("access_token");

    CkJsonObject jsonReq;
    jsonReq.UpdateString("contentType","text/tab-separated-values; charset=UTF-8");

    CkStringBuilder sbRequest;
    jsonReq.EmitSb(sbRequest);

    rest.ClearAllQueryParams();
    rest.ClearAllHeaders();
    rest.AddHeader("x-amz-access-token",lwa_token);

    CkStringBuilder sbResponse;
    const char *path = "/feeds/2021-06-30/documents";
    success = rest.FullRequestSb("POST",path,sbRequest,sbResponse);
    if (success == false) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    // Examine the response status.
    int statusCode = rest.get_ResponseStatusCode();
    std::cout << "statusCode: " << statusCode << "\r\n";

    if (statusCode != 201) {
        std::cout << "Response status text: " << rest.responseStatusText() << "\r\n";
        std::cout << "Response body: " << "\r\n";
        std::cout << sbResponse.getAsString() << "\r\n";
        std::cout << "Failed." << "\r\n";
        return;
    }

    std::cout << sbResponse.getAsString() << "\r\n";

    // If successful, gets a JSON response such as the following:

    // {
    //   "feedDocumentId": "3d4e42b5-1d6e-44e8-a89c-2abfca0625bb",
    //   "url": "https://d34o8swod1owfl.cloudfront.net/Feed_101__POST_PRODUCT_DATA_.xml"
    // }

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    CkJsonObject json;

    json.LoadSb(sbResponse);

    const char *feedDocumentId = json.stringOf("feedDocumentId");
    const char *url = json.stringOf("url");

    // Save the JSON to a file for the example that constructs the XML feed and uploads..
    success = json.WriteFile("qa_data/json/sp_api_feed_upload_info.json");

    std::cout << "Success!" << "\r\n";
    }