public IActionResult InsertImage(Models.User.Request request)
        {
            var userEmail = HttpContext.Session.GetString("userEmail");

            if (!string.IsNullOrEmpty(request.imageData))
            {
                _userDB.updateUserImg(userEmail, request.imageData);
                context.Clients.All.SendAsync("refreshUsers");
            }
            return(Ok());
        }