Laravel login logs

public function postLogin(Request $request)
    {

        //dd( $this->getCredentials($request) );
        $authenticated = false;

        $this->validate($request, [
            $this->loginUsername() => 'required',
            'password' => 'required'
        ]);

        // If the class is using the ThrottlesLogins trait, we can automatically throttle
        // the login attempts for this application. We'll key this by the username and
        // the IP address of the client making these requests into this application.
        $throttles = $this->isUsingThrottlesLoginsTrait();


        if ($throttles && $this->hasTooManyLoginAttempts($request)) {
            return $this->sendLockoutResponse($request);
        }

        $credentials = $this->getCredentials($request);

        
        if (Auth::attempt($credentials, $request->has('remember'))) {
            $authenticated = true;
        }
        
        $this->saveAttemptRecord($request, $authenticated);

        if($authenticated){
            return $this->handleUserWasAuthenticated($request, $throttles);
        }

        // If the login attempt was unsuccessful we will increment the number of attempts
        // to login and redirect the user back to the login form. Of course, when this
        // user surpasses their maximum number of attempts they will get locked out.
        if ($throttles) {
            $this->incrementLoginAttempts($request);
        }

        return redirect($this->loginPath())
            ->withInput($request->only($this->loginUsername(), 'remember'))
            ->withErrors([
                $this->loginUsername() => $this->getFailedLoginMessage(),
            ]);
    }


    /**
     * Store the login attempt in the database
     *
     * @param  Request $request
     * @param  Boolean $authenticated
     * @return void
     */
    private function saveAttemptRecord(Request $request, $authenticated)
    {
            
        $log = new ThrottleLog;
        $log->username = $this->getUserName($request);
        $log->attempts = $this->getLoginAttempts($request);
        $log->ip_address = ip2long( $request->ip() );
        $log->user_agent = $request->header('User-Agent') !== null ? $request->header('User-Agent') : '';
        $log->result = $authenticated ? 'Pass' : 'Fail';

        $log->save();

    }

    /**
     * Get the userName that is attempting to login
     *
     * @param  Request $request
     * @return string username
     */
    private function getUserName(Request $request)
    {
        return isset($request->only($this->loginUsername())[$this->loginUsername()]) ? $request->only($this->loginUsername())[$this->loginUsername()] : '';
    }