Pascal (Lazarus/Delphi)

OneDrive -- Create a New Folder

See more OneDrive Examples

Demonstrates how to create a new folder. 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.Http,
  Chilkat.HttpResponse,
  Chilkat.JsonObject;

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

procedure RunDemo;
var
  success: Boolean;
  json: TJsonObject;
  http: THttp;
  respStr: string;
  jsonReqBody: TJsonObject;
  jObj: TJsonObject;
  url: string;
  resp: THttpResponse;

begin
  success := False;

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

  //  This example uses the OAuth client credentials flow.
  //  See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

  //  Use your client ID, client secret, and tenant ID in the following lines
  json := TJsonObject.Create;
  json.UpdateString('client_id','2871da2c-8176-4b7f-869b-2311aa82e743');
  json.UpdateString('client_secret','2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH');
  json.UpdateString('scope','https://graph.microsoft.com/.default');
  json.UpdateString('token_endpoint','https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token');

  http := THttp.Create;
  http.AuthToken := json.Emit();

  //  To create a new folder, send a POST request like this:
  //  POST /users/{user-id}/drive/items/{parent-item-id}/children

  //  We first need to get the item-id for the folder where the new folder will be created.
  //  This example will create a new folder named "abc" within /TestDir,
  //  so we need the item-id for /TestDir.
  http.SetUrlVar('dir_path','/TestDir');
  http.SetUrlVar('user_id','4fe732c3-322e-4a6b-b729-2fd1eb5c6104');
  respStr := http.QuickGetStr('https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:{$dir_path}');
  if (http.LastMethodSuccess = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  json.Load(respStr);
  if (http.LastStatus <> 200) then
    begin
      WriteLn('Failed to get parent folder item id, status code = ' + http.LastStatus);
      Exit;
    end;

  //  The HTTP request body should contain JSON like this:

  //  	{
  //  	  "name": "abc",
  //  	  "folder": { }
  //  	}

  jsonReqBody := TJsonObject.Create;
  jsonReqBody.AppendString('name','abc');

  jObj := TJsonObject.Create;
  jsonReqBody.AppendObject2('folder',jObj);
  WriteLn('JSON body:');
  WriteLn(jsonReqBody.Emit());

  //  Set the URL var for the next request which will create the new folder.
  http.SetUrlVar('parent_item_id',json.StringOf('id'));

  url := 'https://graph.microsoft.com/v1.0/users/{$user_id}/drive/items/{$parent_item_id}/children';
  resp := THttpResponse.Create;
  success := http.HttpJson('POST',url,jsonReqBody,'application/json',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  json.Load(resp.BodyStr);
  WriteLn('Response:');
  WriteLn(json.Emit());

  //  A 201 response indicates success.
  if (resp.StatusCode <> 201) then
    begin
      WriteLn('Failed to create folder.');
      WriteLn('Response status code = ' + resp.StatusCode);
    end
  else
    begin
      WriteLn('Successfully created folder.');
    end;

  //  A successful response:

  //  	{
  //  	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/drive/items('3A33FCEB9B74CC15%214862')/children/$entity",
  //  	  "createdBy": {
  //  	    "application": {
  //  	      "displayName": "Chilkat",
  //  	      "id": "441c9990"
  //  	    },
  //  	    "user": {
  //  	      "displayName": "Matt Smith",
  //  	      "id": "3a33fceb9b74cc15"
  //  	    }
  //  	  },
  //  	  "createdDateTime": "2017-06-04T16:02:22.203Z",
  //  	  "cTag": "adDozQTMzRkNFQjlCNzRDQzE1ITQ4NzAuNjM2MzIxODg5NDIyMDMwMDAw",
  //  	  "eTag": "aM0EzM0ZDRUI5Qjc0Q0MxNSE0ODcwLjA",
  //  	  "id": "3A33FCEB9B74CC15!4870",
  //  	  "lastModifiedBy": {
  //  	    "application": {
  //  	      "displayName": "Chilkat",
  //  	      "id": "441c9990"
  //  	    },
  //  	    "user": {
  //  	      "displayName": "Matt Smith",
  //  	      "id": "3a33fceb9b74cc15"
  //  	    }
  //  	  },
  //  	  "lastModifiedDateTime": "2017-06-04T16:02:22.203Z",
  //  	  "name": "abc",
  //  	  "parentReference": {
  //  	    "driveId": "3a33fceb9b74cc15",
  //  	    "id": "3A33FCEB9B74CC15!4862",
  //  	    "name": "someFolder",
  //  	    "path": "/drive/root:/someFolder"
  //  	  },
  //  	  "size": 0,
  //  	  "webUrl": "https://1drv.ms/f/s!ABXMdJvr_DM6pgY",
  //  	  "fileSystemInfo": {
  //  	    "createdDateTime": "2017-06-04T16:02:22.203Z",
  //  	    "lastModifiedDateTime": "2017-06-04T16:02:22.203Z"
  //  	  },
  //  	  "folder": {
  //  	    "childCount": 0
  //  	  }
  //  	}
  //  
  //  	Successfully created folder.


  json.Free;
  http.Free;
  jsonReqBody.Free;
  jObj.Free;
  resp.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.