(MFC) Get Task Lists

Demonstrates how to download the Google task lists.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkFileAccess.h>
#include <CkHttp.h>
#include <CkHttpResponse.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    // Get the previously obtained access token.
    // See Get Google Tasks Access Token.

    CkFileAccess fac;
    const char *accessToken = fac.readEntireTextFile("qa_data/tokens/googleTasks.txt","utf-8");
    if (fac.get_LastMethodSuccess() != true) {
        strOut.append(fac.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    CkHttp http;

    http.put_AuthToken(accessToken);

    CkHttpResponse *resp = http.QuickGetObj("https://www.googleapis.com/tasks/v1/users/@me/lists");
    if (http.get_LastMethodSuccess() == false) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Show the response body.
    strOut.append(resp->bodyStr());
    strOut.append("\r\n");

    // Examine the response status code.
    strOut.append("response status code: ");
    strOut.appendInt(resp->get_StatusCode());
    strOut.append("\r\n");

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

    const char *kind = 0;
    const char *etag = 0;
    int i;
    int count_i;
    const char *id = 0;
    const char *title = 0;
    const char *updated = 0;
    const char *selfLink = 0;

    CkJsonObject json;
    json.Load(resp->bodyStr());

    kind = json.stringOf("kind");
    etag = json.stringOf("etag");
    i = 0;
    count_i = json.SizeOfArray("items");
    while (i < count_i) {
        json.put_I(i);
        kind = json.stringOf("items[i].kind");
        id = json.stringOf("items[i].id");
        title = json.stringOf("items[i].title");
        updated = json.stringOf("items[i].updated");
        selfLink = json.stringOf("items[i].selfLink");
        i = i + 1;
    }

    delete resp;

    // Sample response:

    // {
    //  "kind": "tasks#taskLists",
    //  "etag": "\"84_7Cubo3y98GMV9bE3zQclHxhc/cv_AS-HUP96xJ9bgP8Y2B8WGSpM\"",
    //  "items": [
    //   {
    //    "kind": "tasks#taskList",
    //    "id": "MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6MDow",
    //    "title": "My Tasks",
    //    "updated": "2019-04-04T17:42:52.000Z",
    //    "selfLink": "https://www.googleapis.com/tasks/v1/users/@me/lists/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6MDow"
    //   },
    //   {
    //    "kind": "tasks#taskList",
    //    "id": "MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6MzE3OTUxODY4OTU1MTEwMDow",
    //    "title": "ccc",
    //    "updated": "2019-04-04T17:15:19.000Z",
    //    "selfLink": "https://www.googleapis.com/tasks/v1/users/@me/lists/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6MzE3OTUxODY4OTU1MTEwMDow"
    //   },
    //   {
    //    "kind": "tasks#taskList",
    //    "id": "MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NDQ0NTA4MDYyNTY3OTEzMzow",
    //    "title": "bbb",
    //    "updated": "2019-04-04T17:15:02.000Z",
    //    "selfLink": "https://www.googleapis.com/tasks/v1/users/@me/lists/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NDQ0NTA4MDYyNTY3OTEzMzow"
    //   },
    //   {
    //    "kind": "tasks#taskList",
    //    "id": "MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow",
    //    "title": "aaa",
    //    "updated": "2019-04-04T17:13:17.000Z",
    //    "selfLink": "https://www.googleapis.com/tasks/v1/users/@me/lists/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow"
    //   }
    //  ]
    // }
    // 
    // response status code: 200


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }