Delphi ActiveX Google Drive: Rename a File (Update a File's MetaData)

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Updates a file's metadata and/or content with patch semantics. (This example renames the file having id = 1R_70heIyzIAu1_u0prXbYcaIiJRVkgBl)

Documentation: https://developers.google.com/drive/v3/reference/files/update

var
rest: TChilkatRest;
success: Integer;
oauth2: TChilkatOAuth2;
jsonReq: TChilkatJsonObject;
sbReq: TChilkatStringBuilder;
sbJson: TChilkatStringBuilder;
json: TChilkatJsonObject;
kind: WideString;
id: WideString;
name: WideString;
mimeType: WideString;
teamDriveId: WideString;

begin
rest := TChilkatRest.Create(Self);

//   Provide a previously obtained OAuth2 access token.
oauth2 := TChilkatOAuth2.Create(Self);
oauth2.AccessToken := 'OAUTH2_ACCESS_TOKEN';
rest.SetAuthOAuth2(oauth2.ControlInterface);

success := rest.Connect('www.googleapis.com',443,1,1);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

rest.AddQueryParam('includeTeamDriveItems','true');
rest.AddQueryParam('supportsTeamDrives','true');

//  The following code creates the JSON request body.
//  The JSON created by this code is shown below.
jsonReq := TChilkatJsonObject.Create(Self);
jsonReq.UpdateString('name','three_penguins.jpg');

sbReq := TChilkatStringBuilder.Create(Self);
jsonReq.EmitSb(sbReq.ControlInterface);

rest.AddHeader('Content-Type','application/json');

sbJson := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestSb('PATCH','/drive/v3/files/1R_70heIyzIAu1_u0prXbYcaIiJRVkgBl',sbReq.ControlInterface,sbJson.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

if (rest.ResponseStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Received error response code: ' + IntToStr(rest.ResponseStatusCode));
    Memo1.Lines.Add('Response body:');
    Memo1.Lines.Add(sbJson.GetAsString());
    Exit;
  end;

json := TChilkatJsonObject.Create(Self);
json.LoadSb(sbJson.ControlInterface);

//  The following code parses the JSON response.
//  A sample JSON response is shown below the sample code.

kind := json.StringOf('kind');
id := json.StringOf('id');
name := json.StringOf('name');
mimeType := json.StringOf('mimeType');
teamDriveId := json.StringOf('teamDriveId');

Memo1.Lines.Add('Example Completed.');

Sample JSON Request Body

{
    "name": "three_penguins.jpg"
}

Sample JSON Response Body

{
  "kind": "drive#file",
  "id": "1R_70heIyzIAu1_u0prXbYcaIiJRVkgBl",
  "name": "three_penguins.jpg",
  "mimeType": "image/jpeg",
  "teamDriveId": "0AEd3EhGff2SaUk9PVA"
}