(C++) Create a New GMail Label

Demonstrates how to create a new GMail label.

Chilkat C/C++ Library Downloads
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#include <CkHttp.h>
#include <CkJsonObject.h>
#include <CkHttpResponse.h>

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

    bool success;

    CkHttp http;
    http.put_AuthToken("GMAIL-ACCESS-TOKEN");

    const char *userId = "me";
    http.SetUrlVar("userId",userId);

    // Create the JSON to be sent in the HTTP request body.
    // The name of the new label is "questions".
    CkJsonObject json;
    json.UpdateString("name","questions");
    json.UpdateString("labelListVisibility","labelShow");
    json.UpdateString("messageListVisibility","show");

    json.put_EmitCompact(false);
    std::cout << json.emit() << "\r\n";

    // The JSON contains this:
    // {
    //   "name": "questions",
    //   "labelListVisibility": "labelShow",
    //   "messageListVisibility": "show"
    // }

    const char *url = "https://www.googleapis.com/gmail/v1/users/{$userId}/labels";
    CkHttpResponse *resp = http.PostJson3(url,"application/json",json);
    if (http.get_LastMethodSuccess() != true) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    std::cout << "status = " << resp->get_StatusCode() << "\r\n";

    // A 200 response status indicate success.
    if (resp->get_StatusCode() != 200) {
        std::cout << resp->bodyStr() << "\r\n";
        std::cout << "Failed." << "\r\n";
        delete resp;
        return;
    }

    // A successful repsonse contains JSON that looks like this:

    // {
    //  "id": "Label_43",
    //  "name": "questions",
    //  "messageListVisibility": "show",
    //  "labelListVisibility": "labelShow"
    // }

    std::cout << "response body:" << "\r\n";
    std::cout << resp->bodyStr() << "\r\n";

    delete resp;

    std::cout << "GMail label created!" << "\r\n";
    }