private void UpdateDbContext() { IList <Google.Apis.Drive.v3.Data.File> googleFiles = fileStore.Files; List <FileDto> modelFilesDto = new List <FileDto>(); foreach (var file in googleFiles) { modelFilesDto.Add(new FileDto { SourceId = file.Id, Name = file.Name }); } fileService.AddOrUpdateFiles(modelFilesDto); }