[HttpPost("[action]")]
    public async Task<string> SaveChanges(string email, string name, string avatar, string password)
    {
        UserModel user = await db.Users.FirstOrDefaultAsync(u => u.EmailUser == User.Identity.Name);
        List<UserModel> users = db.Users.ToList().FindAll(u => u.EmailUser == email);

                user.EmailUser = email;
                user.NameUser = name;
                user.AvatarUser = avatar;
                user.Password = password;
                db.Users.Update(user);
               await db.SaveChangesAsync(true);

                return JsonConvert.SerializeObject("saved");
            }



    }