public async Task <IActionResult> unfallow(long id)
        {
            var currentUser = HttpContext.User;

            if (currentUser.HasClaim(claims => claims.Type == "Id"))
            {
                long myId;
                bool re = long.TryParse((currentUser.Claims.FirstOrDefault(c => c.Type == "Id").Value), out myId);
                if (!re)
                {
                    return(BadRequest("Can't parse id"));
                }

                if (myId == id)
                {
                    return(new JsonResult(new { status = "false", message = "you can't unfollow yourself" }));
                }
                User me;
                User otherusr;
                try
                {
                    me = _db.Users.Include(user => user.Friends)
                         .Where(user => user.Id == myId).Single();
                    otherusr = _db.Users.Include(user => user.Friends)
                               .Where(user => user.Id == id).Single();
                }
                catch (ArgumentNullException)
                {
                    return(BadRequest("User not found"));
                }

                Friend following = null;
                Friend follower  = null;

                try
                {
                    following = me.Friends.Where(user => user.User1 == id && user.User2 == myId).FirstOrDefault();
                    follower  = me.Friends.Where(user => user.User1 == myId && user.User2 == id).FirstOrDefault();
                    if (follower != null)
                    {
                        me.Friends.Remove(follower);
                        following = otherusr.Friends.Where(user => user.User1 == myId && user.User2 == id).FirstOrDefault();
                        otherusr.Friends.Remove(following);
                        _db.Remove(follower);
                        _db.Remove(following);
                    }
                    else
                    {
                        follower = otherusr.Friends.Where(user => user.User1 == id && user.User2 == myId).FirstOrDefault();
                        me.Friends.Remove(following);
                        otherusr.Friends.Remove(follower);
                        _db.Remove(following);
                        _db.Remove(follower);
                    }



                    _db.SaveChanges();

                    return(new JsonResult(new { status = "true", message = " success" }));
                }
                catch (Exception)
                { }

                return(new JsonResult(new { status = "false", message = "You are not following this user" }));
            }
            return(new JsonResult(new { status = "false", message = "token invalid" }));
        }