(Unicode 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 <C_CkAuthAwsW.h>
#include <C_CkRestW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkStringBuilderW.h>

void ChilkatSample(void)
    {
    HCkAuthAwsW authAws;
    HCkRestW rest;
    BOOL success;
    HCkJsonObjectW jsonToken;
    const wchar_t *lwa_token;
    HCkJsonObjectW jsonReq;
    HCkStringBuilderW sbRequest;
    HCkStringBuilderW sbResponse;
    const wchar_t *path;
    int statusCode;
    HCkJsonObjectW json;
    const wchar_t *feedDocumentId;
    const wchar_t *url;

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

    authAws = CkAuthAwsW_Create();
    CkAuthAwsW_putAccessKey(authAws,L"AWS_ACCESS_KEY");
    CkAuthAwsW_putSecretKey(authAws,L"AWS_SECRET_KEY");
    CkAuthAwsW_putServiceName(authAws,L"execute-api");
    // Use the region that is correct for your needs.
    CkAuthAwsW_putRegion(authAws,L"eu-west-1");

    rest = CkRestW_Create();
    success = CkRestW_Connect(rest,L"sellingpartnerapi-eu.amazon.com",443,TRUE,TRUE);
    if (success == FALSE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkAuthAwsW_Dispose(authAws);
        CkRestW_Dispose(rest);
        return;
    }

    success = CkRestW_SetAuthAws(rest,authAws);

    // Load the previously obtained LWA access token.
    // See Fetch SP-API LWA Access Token
    jsonToken = CkJsonObjectW_Create();
    success = CkJsonObjectW_LoadFile(jsonToken,L"qa_data/tokens/sp_api_lwa_token.json");
    if (success == FALSE) {
        wprintf(L"Failed to load LWA access token.\n");
        CkAuthAwsW_Dispose(authAws);
        CkRestW_Dispose(rest);
        CkJsonObjectW_Dispose(jsonToken);
        return;
    }

    // Add the x-amz-access-token request header.
    lwa_token = CkJsonObjectW_stringOf(jsonToken,L"access_token");

    jsonReq = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(jsonReq,L"contentType",L"text/tab-separated-values; charset=UTF-8");

    sbRequest = CkStringBuilderW_Create();
    CkJsonObjectW_EmitSb(jsonReq,sbRequest);

    CkRestW_ClearAllQueryParams(rest);
    CkRestW_ClearAllHeaders(rest);
    CkRestW_AddHeader(rest,L"x-amz-access-token",lwa_token);

    sbResponse = CkStringBuilderW_Create();
    path = L"/feeds/2021-06-30/documents";
    success = CkRestW_FullRequestSb(rest,L"POST",path,sbRequest,sbResponse);
    if (success == FALSE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkAuthAwsW_Dispose(authAws);
        CkRestW_Dispose(rest);
        CkJsonObjectW_Dispose(jsonToken);
        CkJsonObjectW_Dispose(jsonReq);
        CkStringBuilderW_Dispose(sbRequest);
        CkStringBuilderW_Dispose(sbResponse);
        return;
    }

    // Examine the response status.
    statusCode = CkRestW_getResponseStatusCode(rest);
    wprintf(L"statusCode: %d\n",statusCode);

    if (statusCode != 201) {
        wprintf(L"Response status text: %s\n",CkRestW_responseStatusText(rest));
        wprintf(L"Response body: \n");
        wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponse));
        wprintf(L"Failed.\n");
        CkAuthAwsW_Dispose(authAws);
        CkRestW_Dispose(rest);
        CkJsonObjectW_Dispose(jsonToken);
        CkJsonObjectW_Dispose(jsonReq);
        CkStringBuilderW_Dispose(sbRequest);
        CkStringBuilderW_Dispose(sbResponse);
        return;
    }

    wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponse));

    // 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

    json = CkJsonObjectW_Create();

    CkJsonObjectW_LoadSb(json,sbResponse);

    feedDocumentId = CkJsonObjectW_stringOf(json,L"feedDocumentId");
    url = CkJsonObjectW_stringOf(json,L"url");

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

    wprintf(L"Success!\n");


    CkAuthAwsW_Dispose(authAws);
    CkRestW_Dispose(rest);
    CkJsonObjectW_Dispose(jsonToken);
    CkJsonObjectW_Dispose(jsonReq);
    CkStringBuilderW_Dispose(sbRequest);
    CkStringBuilderW_Dispose(sbResponse);
    CkJsonObjectW_Dispose(json);

    }