(DataFlex) Get all Tasks on a List

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

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoFac
    String sAccessToken
    Handle hoHttp
    Variant vResp
    Handle hoResp
    String sKind
    String sEtag
    Integer i
    Integer iCount_i
    String sId
    String sTitle
    String sUpdated
    String sSelfLink
    String sPosition
    String sNotes
    String sStatus
    String sDue
    Handle hoJson
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

    // 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.

    Get Create (RefClass(cComCkFileAccess)) To hoFac
    If (Not(IsComObjectCreated(hoFac))) Begin
        Send CreateComObject of hoFac
    End
    Get ComReadEntireTextFile Of hoFac "qa_data/tokens/googleTasks.txt" "utf-8" To sAccessToken
    Get ComLastMethodSuccess Of hoFac To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoFac To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    Set ComAuthToken Of hoHttp To sAccessToken

    // Get the tasks from the task list w/ id = MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow
    Get ComSetUrlVar Of hoHttp "tasklist" "MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow" To iSuccess

    Get ComQuickGetObj Of hoHttp "https://www.googleapis.com/tasks/v1/lists/{$tasklist}/tasks" To vResp
    If (IsComObject(vResp)) Begin
        Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
        Set pvComObject Of hoResp To vResp
    End
    Get ComLastMethodSuccess Of hoHttp To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Show the response body.
    Get ComBodyStr Of hoResp To sTemp1
    Showln sTemp1

    // Examine the response status code.
    Get ComStatusCode Of hoResp To iTemp1
    Showln "response status code: " iTemp1

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

    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Get ComBodyStr Of hoResp To sTemp1
    Get ComLoad Of hoJson sTemp1 To iSuccess

    Get ComStringOf Of hoJson "kind" To sKind
    Get ComStringOf Of hoJson "etag" To sEtag
    Move 0 To i
    Get ComSizeOfArray Of hoJson "items" To iCount_i
    While (i < iCount_i)
        Set ComI Of hoJson To i
        Get ComStringOf Of hoJson "items[i].kind" To sKind
        Get ComStringOf Of hoJson "items[i].id" To sId
        Get ComStringOf Of hoJson "items[i].etag" To sEtag
        Get ComStringOf Of hoJson "items[i].title" To sTitle
        Get ComStringOf Of hoJson "items[i].updated" To sUpdated
        Get ComStringOf Of hoJson "items[i].selfLink" To sSelfLink
        Get ComStringOf Of hoJson "items[i].position" To sPosition
        Get ComStringOf Of hoJson "items[i].notes" To sNotes
        Get ComStringOf Of hoJson "items[i].status" To sStatus
        Get ComStringOf Of hoJson "items[i].due" To sDue
        Move i + 1 To i
    Loop

    Send Destroy of hoResp

    // 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


End_Procedure