Pascal (Lazarus/Delphi)

List Groups

See more Microsoft Group Examples

List all the groups available in an organization, including but not limited to Office 365 Groups.

See https://docs.microsoft.com/en-us/graph/api/group-list?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;
  odataContext: string;
  i: Integer;
  count_i: Integer;
  id: string;
  deletedDateTime: string;
  classification: string;
  createdDateTime: string;
  description: string;
  displayName: string;
  mail: string;
  mailEnabled: Boolean;
  mailNickname: string;
  onPremisesLastSyncDateTime: string;
  onPremisesSecurityIdentifier: string;
  onPremisesSyncEnabled: string;
  preferredDataLocation: string;
  renewedDateTime: string;
  securityEnabled: Boolean;
  visibility: string;
  j: Integer;
  count_j: Integer;
  strVal: 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;

  //  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/groups?$orderby=displayName
  strResponse := http.QuickGetStr('https://graph.microsoft.com/v1.0/groups?$orderby=displayName');
  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..)

  //  {
  //      "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#groups",
  //      "value": [
  //          {
  //              "id": "45b7d2e7-b882-4a80-ba97-10b7a63b8fa4",
  //              "deletedDateTime": null,
  //              "classification": null,
  //              "createdDateTime": "2018-12-22T02:21:05Z",
  //              "creationOptions": [],
  //              "description": "Self help community for golf",
  //              "displayName": "Golf Assist",
  //              "groupTypes": [
  //                  "Unified"
  //              ],
  //              "mail": "golfassist@contoso.com",
  //              "mailEnabled": true,
  //              "mailNickname": "golfassist",
  //              "onPremisesLastSyncDateTime": null,
  //              "onPremisesSecurityIdentifier": null,
  //              "onPremisesSyncEnabled": null,
  //              "preferredDataLocation": "CAN",
  //              "proxyAddresses": [
  //                  "smtp:golfassist@contoso.onmicrosoft.com",
  //                  "SMTP:golfassist@contoso.com"
  //              ],
  //              "renewedDateTime": "2018-12-22T02:21:05Z",
  //              "resourceBehaviorOptions": [],
  //              "resourceProvisioningOptions": [],
  //              "securityEnabled": false,
  //              "visibility": "Public",
  //              "onPremisesProvisioningErrors": []
  //          },
  //          {
  //              "id": "d7797254-3084-44d0-99c9-a3b5ab149538",
  //              "deletedDateTime": null,
  //              "classification": null,
  //              "createdDateTime": "2018-11-19T20:29:40Z",
  //              "creationOptions": [],
  //              "description": "Talk about golf",
  //              "displayName": "Golf Discussion",
  //              "groupTypes": [],
  //              "mail": "golftalk@contoso.com",
  //              "mailEnabled": true,
  //              "mailNickname": "golftalk",
  //              "onPremisesLastSyncDateTime": null,
  //              "onPremisesSecurityIdentifier": null,
  //              "onPremisesSyncEnabled": null,
  //              "preferredDataLocation": "CAN",
  //              "proxyAddresses": [
  //                  "smtp:golftalk@contoso.onmicrosoft.com",
  //                  "SMTP:golftalk@contoso.com"
  //              ],
  //              "renewedDateTime": "2018-11-19T20:29:40Z",
  //              "resourceBehaviorOptions": [],
  //              "resourceProvisioningOptions": [],
  //              "securityEnabled": false,
  //              "visibility": null,
  //              "onPremisesProvisioningErrors": []
  //          }
  //      ]
  //  }
  //  
  //  Use this online tool to generate parsing code from sample JSON: 
  //  Generate Parsing Code from JSON

  odataContext := json.StringOf('"@odata.context"');
  i := 0;
  count_i := json.SizeOfArray('value');
  while i < count_i do
    begin
      json.I := i;
      id := json.StringOf('value[i].id');
      deletedDateTime := json.StringOf('value[i].deletedDateTime');
      classification := json.StringOf('value[i].classification');
      createdDateTime := json.StringOf('value[i].createdDateTime');
      description := json.StringOf('value[i].description');
      displayName := json.StringOf('value[i].displayName');
      mail := json.StringOf('value[i].mail');
      mailEnabled := json.BoolOf('value[i].mailEnabled');
      mailNickname := json.StringOf('value[i].mailNickname');
      onPremisesLastSyncDateTime := json.StringOf('value[i].onPremisesLastSyncDateTime');
      onPremisesSecurityIdentifier := json.StringOf('value[i].onPremisesSecurityIdentifier');
      onPremisesSyncEnabled := json.StringOf('value[i].onPremisesSyncEnabled');
      preferredDataLocation := json.StringOf('value[i].preferredDataLocation');
      renewedDateTime := json.StringOf('value[i].renewedDateTime');
      securityEnabled := json.BoolOf('value[i].securityEnabled');
      visibility := json.StringOf('value[i].visibility');
      j := 0;
      count_j := json.SizeOfArray('value[i].creationOptions');
      while j < count_j do
        begin
          json.J := j;
          //  ...
          j := j + 1;
        end;

      j := 0;
      count_j := json.SizeOfArray('value[i].groupTypes');
      while j < count_j do
        begin
          json.J := j;
          strVal := json.StringOf('value[i].groupTypes[j]');
          j := j + 1;
        end;

      j := 0;
      count_j := json.SizeOfArray('value[i].proxyAddresses');
      while j < count_j do
        begin
          json.J := j;
          strVal := json.StringOf('value[i].proxyAddresses[j]');
          j := j + 1;
        end;

      j := 0;
      count_j := json.SizeOfArray('value[i].resourceBehaviorOptions');
      while j < count_j do
        begin
          json.J := j;
          //  ...
          j := j + 1;
        end;

      j := 0;
      count_j := json.SizeOfArray('value[i].resourceProvisioningOptions');
      while j < count_j do
        begin
          json.J := j;
          //  ...
          j := j + 1;
        end;

      j := 0;
      count_j := json.SizeOfArray('value[i].onPremisesProvisioningErrors');
      while j < count_j do
        begin
          json.J := j;
          //  ...
          j := j + 1;
        end;

      i := i + 1;
    end;

  WriteLn('Success.');


  http.Free;
  jsonToken.Free;
  json.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.