if userIsLoggedIn
                    {
                        print("User is logged in from other device")
                        user!.setValue(false, forKey: "IsLoggedIn")
                        user?.saveEventually()
                        PFUser.logOut()
                    }
                    if userIsLoggedIn == false{
                        user!.setValue(true, forKey: "IsLoggedIn")
                        user?.saveEventually()
                        if(user!["role"] as? String == nil ){
                            print("welcome (PFUser.current()?.username)") //open home page
                            self.performSegue(withIdentifier: "goToMainPage", sender: self)
                        }else if(user!["role"] as? String == "Admin" ) {
                            print("welcome (PFUser.current()?.username)") //open home page
                            self.performSegue(withIdentifier: "goToAdminPage", sender: self)
                        }
                    }