private PhotoDTO SavePhotoInformationInDb(Photo information)
        {
            try
            {
                information.Id = DataService.CreatePhoto(information);
                return information.ToPhotoDTO();
            }
            catch (Exception e)
            {
                string smallPhotoPath = HttpContext.Server.MapPath(information.SmallPhotoUrl);
                string mediumPhotoPath = HttpContext.Server.MapPath(information.MediumPhotoUrl);
                string fullPhotoPath = HttpContext.Server.MapPath(information.FullPhotoUrl);

                System.IO.File.Delete(smallPhotoPath);
                System.IO.File.Delete(mediumPhotoPath);
                System.IO.File.Delete(fullPhotoPath);

                throw new Exception("Save photo failed.", e);
            }
        }