login.blade.php

<?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;


    /**
     * Create a new controller instance.
     *
     * @return void
     */
     public function __construct(Request $request)
     {
         $this->middleware('guest')->except('logout');
         $this->request = $request;
     }


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

    public function redirectTo()
    {
        if ($this->request->has('previous')) {
            $this->redirectTo = $this->request->get('previous');
            return $this->redirectTo;
        }

        return '/home';
    }


}