tippspiel/pfosten/app/Http/Controllers/SessionsController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class SessionsController extends Controller
{

    function __construct() {
        $this->middleware('guest', ['except' => 'destroy']); // Filter: Only guests = not logged in users are allowed. Everybody else is redirected away.
    }


    public function create() {
        return view('sessions.create');
    }
    public function store() {
        // Attempt to authenticate the user

        $name=request('firstname')." ".request('lastname');
        $password=request('password');

        if (!auth()->attempt(['name'=>$name, 'password'=>$password])) {
            return back()->withErrors(['message'=>'Bitte Logindaten prüfen und nochmal versuchen.']);
        }


        // And redirect to home page
        return redirect()->home();

    }
    public function destroy() {
        auth()->logout();
        return redirect()->home();
    }
}