(Unicode C++) Amazon SP-API Sellers Get Marketplace Participations

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Demonstrates Amazon SP-API Sellers API -- get marketplace participations.

For more information, see https://developer-docs.amazon.com/sp-api/docs/sellers-api-v1-reference#getmarketplaceparticipations

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#include <CkAuthAwsW.h>
#include <CkRestW.h>
#include <CkJsonObjectW.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.

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

    CkRestW rest;
    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    // Make sure to use the correct domain.
    // In this example, we are using "sandbox.sellingpartnerapi-eu.amazon.com"
    bool success = rest.Connect(L"sandbox.sellingpartnerapi-eu.amazon.com",port,bTls,bAutoReconnect);
    if (success == false) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    success = rest.SetAuthAws(authAws);

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

    // Add the x-amz-access-token request header.
    const wchar_t *lwa_token = jsonToken.stringOf(L"access_token");
    rest.ClearAllHeaders();
    rest.AddHeader(L"x-amz-access-token",lwa_token);

    // Indicate the marketplace.  Use the marketplace ID for your needs. See https://developer-docs.amazon.com/sp-api/docs/marketplace-ids
    rest.ClearAllPathParams();
    rest.AddPathParam(L"MarketplaceId",L"A1F83G8C2ARO7P");

    CkStringBuilderW sbResponse;
    const wchar_t *uri = L"/sellers/v1/marketplaceParticipations";
    success = rest.FullRequestNoBodySb(L"GET",uri,sbResponse);
    if (success == false) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    // Examine the response status.
    int statusCode = rest.get_ResponseStatusCode();
    if (statusCode != 200) {
        wprintf(L"Response status text: %s\n",rest.responseStatusText());
        wprintf(L"Response body: \n");
        wprintf(L"%s\n",sbResponse.getAsString());
        wprintf(L"Failed.\n");
        return;
    }

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

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

    // {
    //   "payload": [
    //     {
    //       "marketplace": {
    //         "id": "ATVPDKIKX0DER",
    //         "countryCode": "US",
    //         "name": "Amazon.com",
    //         "defaultCurrencyCode": "USD",
    //         "defaultLanguageCode": "en_US",
    //         "domainName": "www.amazon.com"
    //       },
    //       "participation": {
    //         "isParticipating": true,
    //         "hasSuspendedListings": false
    //       }
    //     }
    //   ]
    // }

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

    CkJsonObjectW json;

    json.LoadSb(sbResponse);

    const wchar_t *Id = 0;
    const wchar_t *CountryCode = 0;
    const wchar_t *Name = 0;
    const wchar_t *DefaultCurrencyCode = 0;
    const wchar_t *DefaultLanguageCode = 0;
    const wchar_t *DomainName = 0;
    bool IsParticipating;
    bool HasSuspendedListings;

    int i = 0;
    int count_i = json.SizeOfArray(L"payload");
    while (i < count_i) {
        json.put_I(i);
        Id = json.stringOf(L"payload[i].marketplace.id");
        CountryCode = json.stringOf(L"payload[i].marketplace.countryCode");
        Name = json.stringOf(L"payload[i].marketplace.name");
        DefaultCurrencyCode = json.stringOf(L"payload[i].marketplace.defaultCurrencyCode");
        DefaultLanguageCode = json.stringOf(L"payload[i].marketplace.defaultLanguageCode");
        DomainName = json.stringOf(L"payload[i].marketplace.domainName");
        IsParticipating = json.BoolOf(L"payload[i].participation.isParticipating");
        HasSuspendedListings = json.BoolOf(L"payload[i].participation.hasSuspendedListings");
        i = i + 1;
    }

    wprintf(L"Success!\n");
    }