Pascal (Lazarus/Delphi)

Get Tasks for User

See more Microsoft Tasks and Plans Examples

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.

Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.JsonObject,
  Chilkat.Http;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  jsonToken: TJsonObject;
  strResponse: string;
  json: TJsonObject;
  i: Integer;
  count_i: Integer;
  createdByUserId: string;
  planId: string;
  bucketId: string;
  title: string;
  orderHint: string;
  assigneePriority: string;
  createdDateTime: string;
  assignments_odataType: string;
  assignmentsAssignedByUserId: string;
  assignmentsAssignedDateTime: string;
  assignmentsOrderHint: string;
  id: string;
  jsonA: TJsonObject;
  jsonUserA: TJsonObject;
  userId: string;

begin
  success := False;

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

  http := THttp.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 := TJsonObject.Create;
  success := jsonToken.LoadFile('qa_data/tokens/msGraphGroup.json');
  if (success = False) then
    begin
      WriteLn(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 = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  json := TJsonObject.Create;
  json.Load(strResponse);
  json.EmitCompact := False;

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

  WriteLn(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"
  //      }
  //    ]
  //  }

  jsonA := TJsonObject.Create;
  jsonUserA := TJsonObject.Create;

  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');

      json.ObjectOf2('value[i].assignments',jsonA);

      userId := jsonA.NameAt(0);

      jsonA.ObjectOf2(userId,jsonUserA);

      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;

  WriteLn('Success.');


  http.Free;
  jsonToken.Free;
  json.Free;
  jsonA.Free;
  jsonUserA.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.