(Delphi ActiveX) Get Tasks for User

Demonstrates how to retrieve a list of plannertask objects assigned to a User.

See https://docs.microsoft.com/en-us/graph/api/planneruser-list-tasks?view=graph-rest-1.0 for more information.

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
jsonToken: TChilkatJsonObject;
success: Integer;
strResponse: WideString;
json: TChilkatJsonObject;
i: Integer;
count_i: Integer;
createdByUserId: WideString;
planId: WideString;
bucketId: WideString;
title: WideString;
orderHint: WideString;
assigneePriority: WideString;
createdDateTime: WideString;
assignments_odataType: WideString;
assignmentsAssignedByUserId: WideString;
assignmentsAssignedDateTime: WideString;
assignmentsOrderHint: WideString;
id: WideString;
jsonA: IChilkatJsonObject;
userId: WideString;
jsonUserA: IChilkatJsonObject;

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

http := TChilkatHttp.Create(Self);

// The Microsoft Planner REST API requires an OAuth2 token with the Group.ReadWrite.All scope.
// Use your previously obtained access token as shown here:
//    Get Microsoft Graph OAuth2 Access Token with Group.ReadWrite.All scope.

jsonToken := TChilkatJsonObject.Create(Self);
success := jsonToken.LoadFile('qa_data/tokens/msGraphGroup.json');
if (success = 0) then
  begin
    Memo1.Lines.Add(jsonToken.LastErrorText);
    Exit;
  end;
http.AuthToken := jsonToken.StringOf('access_token');

// Send a GET request to https://graph.microsoft.com/v1.0/me/planner/tasks
strResponse := http.QuickGetStr('https://graph.microsoft.com/v1.0/me/planner/tasks');
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

json := TChilkatJsonObject.Create(Self);
json.Load(strResponse);
json.EmitCompact := 0;

if (http.LastStatus <> 200) then
  begin
    Memo1.Lines.Add(json.Emit());
    Memo1.Lines.Add('Failed, response status code = ' + IntToStr(http.LastStatus));
    Exit;
  end;

Memo1.Lines.Add(json.Emit());

// Sample output:
// (See parsing code below..)

// {
//   "value": [
//     {
//       "createdBy": {
//         "user": {
//           "id": "6463a5ce-2119-4198-9f2a-628761df4a62"
//         }
//       },
//       "planId": "xqQg5FS2LkCp935s-FIFm2QAFkHM",
//       "bucketId": "gcrYAaAkgU2EQUvpkNNXLGQAGTtu",
//       "title": "title-value",
//       "orderHint": "9223370609546166567W",
//       "assigneePriority": "90057581\"",
//       "createdDateTime": "2015-03-25T18:36:49.2407981Z",
//       "assignments": {
//         "fbab97d0-4932-4511-b675-204639209557": {
//           "@odata.type": "#microsoft.graph.plannerAssignment",
//           "assignedBy": {
//             "user": {
//               "id": "1e9955d2-6acd-45bf-86d3-b546fdc795eb"
//             }
//           },
//           "assignedDateTime": "2015-03-25T18:38:21.956Z",
//           "orderHint": "RWk1"
//          }
//       },
//       "id":"01gzSlKkIUSUl6DF_EilrmQAKDhh"
//     }
//   ]
// }

i := 0;
count_i := json.SizeOfArray('value');
while i < count_i do
  begin
    json.I := i;
    createdByUserId := json.StringOf('value[i].createdBy.user.id');
    planId := json.StringOf('value[i].planId');
    bucketId := json.StringOf('value[i].bucketId');
    title := json.StringOf('value[i].title');
    orderHint := json.StringOf('value[i].orderHint');
    assigneePriority := json.StringOf('value[i].assigneePriority');
    createdDateTime := json.StringOf('value[i].createdDateTime');

    jsonA := json.ObjectOf('value[i].assignments');
    userId := jsonA.NameAt(0);
    jsonUserA := jsonA.ObjectOf(userId);
    assignments_odataType := jsonUserA.StringOf('"@odata.type"');
    assignmentsAssignedByUserId := jsonUserA.StringOf('assignedBy.user.id');
    assignmentsAssignedDateTime := jsonUserA.StringOf('assignedDateTime');
    assignmentsOrderHint := jsonUserA.StringOf('orderHint');

    id := json.StringOf('value[i].id');
    i := i + 1;
  end;

Memo1.Lines.Add('Success.');
end;