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

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

...

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

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

http := CkHttp_Create();

// 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 := CkJsonObject_Create();
success := CkJsonObject_LoadFile(jsonToken,'qa_data/tokens/msGraphGroup.json');
if (success = False) then
  begin
    Memo1.Lines.Add(CkJsonObject__lastErrorText(jsonToken));
    Exit;
  end;
CkHttp_putAuthToken(http,CkJsonObject__stringOf(jsonToken,'access_token'));

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

json := CkJsonObject_Create();
CkJsonObject_Load(json,strResponse);
CkJsonObject_putEmitCompact(json,False);

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

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

// 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 := CkJsonObject_SizeOfArray(json,'value');
while i < count_i do
  begin
    CkJsonObject_putI(json,i);
    createdByUserId := CkJsonObject__stringOf(json,'value[i].createdBy.user.id');
    planId := CkJsonObject__stringOf(json,'value[i].planId');
    bucketId := CkJsonObject__stringOf(json,'value[i].bucketId');
    title := CkJsonObject__stringOf(json,'value[i].title');
    orderHint := CkJsonObject__stringOf(json,'value[i].orderHint');
    assigneePriority := CkJsonObject__stringOf(json,'value[i].assigneePriority');
    createdDateTime := CkJsonObject__stringOf(json,'value[i].createdDateTime');

    jsonA := CkJsonObject_ObjectOf(json,'value[i].assignments');
    userId := CkJsonObject__nameAt(jsonA,0);
    jsonUserA := CkJsonObject_ObjectOf(jsonA,userId);
    assignments_odataType := CkJsonObject__stringOf(jsonUserA,'"@odata.type"');
    assignmentsAssignedByUserId := CkJsonObject__stringOf(jsonUserA,'assignedBy.user.id');
    assignmentsAssignedDateTime := CkJsonObject__stringOf(jsonUserA,'assignedDateTime');
    assignmentsOrderHint := CkJsonObject__stringOf(jsonUserA,'orderHint');
    CkJsonObject_Dispose(jsonUserA);
    CkJsonObject_Dispose(jsonA);

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

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

CkHttp_Dispose(http);
CkJsonObject_Dispose(jsonToken);
CkJsonObject_Dispose(json);

end;