(Lianja) Get all Tasks on a List

Demonstrates how to get all the tasks in a Google task list.

Chilkat Lianja Extension Download Chilkat Lianja Extension

// 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.

loFac = createobject("CkFileAccess")
lcAccessToken = loFac.ReadEntireTextFile("qa_data/tokens/googleTasks.txt","utf-8")
if (loFac.LastMethodSuccess <> .T.) then
    ? loFac.LastErrorText
    release loFac
    return
endif

loHttp = createobject("CkHttp")

loHttp.AuthToken = lcAccessToken

// Get the tasks from the task list w/ id = MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow
loHttp.SetUrlVar("tasklist","MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow")

loResp = loHttp.QuickGetObj("https://www.googleapis.com/tasks/v1/lists/{$tasklist}/tasks")
if (loHttp.LastMethodSuccess = .F.) then
    ? loHttp.LastErrorText
    release loFac
    release loHttp
    return
endif

// Show the response body.
? loResp.BodyStr

// Examine the response status code.
? "response status code: " + str(loResp.StatusCode)

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

loJson = createobject("CkJsonObject")
loJson.Load(loResp.BodyStr)

lcKind = loJson.StringOf("kind")
lcEtag = loJson.StringOf("etag")
i = 0
lnCount_i = loJson.SizeOfArray("items")
do while i < lnCount_i
    loJson.I = i
    lcKind = loJson.StringOf("items[i].kind")
    lcId = loJson.StringOf("items[i].id")
    lcEtag = loJson.StringOf("items[i].etag")
    lcTitle = loJson.StringOf("items[i].title")
    lcUpdated = loJson.StringOf("items[i].updated")
    lcSelfLink = loJson.StringOf("items[i].selfLink")
    lcPosition = loJson.StringOf("items[i].position")
    lcNotes = loJson.StringOf("items[i].notes")
    lcStatus = loJson.StringOf("items[i].status")
    lcDue = loJson.StringOf("items[i].due")
    i = i + 1
enddo

release loResp

// Sample response:

// {
//  "kind": "tasks#tasks",
//  "etag": "\"84_7Cubo3y98GMV9bE3zQclHxhc/LTM3Njg4MjgyNA\"",
//  "items": [
//   {
//    "kind": "tasks#task",
//    "id": "MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoyMDg3OTcyMDA1MTQ5NTA0",
//    "etag": "\"84_7Cubo3y98GMV9bE3zQclHxhc/NjcyMTU4Mg\"",
//    "title": "Get haircut",
//    "updated": "2019-04-04T18:07:58.000Z",
//    "selfLink": "https://www.googleapis.com/tasks/v1/lists/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow/tasks/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoyMDg3OTcyMDA1MTQ5NTA0",
//    "position": "00000000001610612734",
//    "notes": "Check in online first.",
//    "status": "needsAction",
//    "due": "2019-04-07T00:00:00.000Z"
//   },
//   {
//    "kind": "tasks#task",
//    "id": "MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoxMTg0MzQxMTkzMjM2MDY1",
//    "etag": "\"84_7Cubo3y98GMV9bE3zQclHxhc/MTU1MjQzNDIwMQ\"",
//    "title": "Go to grocery store",
//    "updated": "2019-04-04T17:59:15.000Z",
//    "selfLink": "https://www.googleapis.com/tasks/v1/lists/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow/tasks/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoxMTg0MzQxMTkzMjM2MDY1",
//    "position": "00000000002147483647",
//    "notes": "Don't forget to buy apples.",
//    "status": "needsAction",
//    "due": "2019-04-07T00:00:00.000Z"
//   }
//  ]
// }
// 
// response status code: 200


release loFac
release loHttp
release loJson