Authirization thing

authorized.scala

def authorized(block : (User) => Future[Result] )(implicit req : Request[_]) : Future[Result] = {
    req.session.get(USER_CACHE).map { session =>
      val user = Cache.getAs[User](USER_CACHE)
      if (user.isEmpty) {
        Database.users.find(Json.obj(USER_CACHE -> session)).one[User].flatMap[Result] { r => r.map { res =>
          val u = res.copy(password = "****")
          Cache.set(USER_CACHE,u, 1.hour)
          block(u)
          }.get
        } fallbackTo Future.successful(InternalServerError)
      } else {
        Cache.set(USER_CACHE, user, 1.hour)
        block(user.get)
      }
    }
  } getOrElse Future.successful(Unauthorized)