LoginController.php for login with username or password automaticly

<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use Illuminate\Foundation\Auth\AuthenticatesUsers;
use Illuminate\Http\Request;

class LoginController extends Controller
{
    /*
    |--------------------------------------------------------------------------
    | Login Controller
    |--------------------------------------------------------------------------
    |
    | This controller handles authenticating users for the application and
    | redirecting them to your home screen. The controller uses a trait
    | to conveniently provide its functionality to your applications.
    |
    */

    use AuthenticatesUsers;

    /**
     * Where to redirect users after login.
     *
     * @var string
     */
    protected $redirectTo = '/home';

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('guest')->except('logout');
    }
    /**
     * override of trait
     * get which culomn used for login / email or username
     * in blade input name is "name"
     * @return string
     */
    public function username()
    {
        return 'name';
    }
    /**
     * override of trait
     * Get the needed authorization credentials from the request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    protected function credentials(Request $request)
    {
        return [
            $this->getLoginType() => $request->name,
            'password' => $request->password
        ];
        // return $request->only($this->username(), 'password');
    }
    public function getLoginType()
    {
        if(filter_var(request()->name,FILTER_VALIDATE_EMAIL))
        {
            return 'email';
        }
        return 'name';
    }
}