fix user can back to previous page after logout

app/Http/Controllers/Auth/LoginController.php

@@ -4,7 +4,11 @@ namespace App\Http\Controllers\Auth;
 
 use App\Http\Controllers\Controller;
 use App\Providers\RouteServiceProvider;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Session;
+use Illuminate\Support\Facades\Redirect;
 use Illuminate\Foundation\Auth\AuthenticatesUsers;
+use Illuminate\Http\Request;
 
 class LoginController extends Controller
 {
@@ -37,4 +41,31 @@ class LoginController extends Controller
     {
         $this->middleware('guest')->except('logout');
     }
+
+    public function login()
+    {
+      return view('auth.login');
+    }
+
+    public function authenticate(Request $request)
+    {
+        $request->validate([
+            'email' => 'required|string|email',
+            'password' => 'required|string',
+        ]);
+
+        $credentials = $request->only('email', 'password');
+
+        if (Auth::attempt($credentials)) {
+            return view('homepage.home');
+        }
+
+        return redirect('login')->with('error', 'Oppes! You have entered invalid credentials');
+    }
+
+    public function logout(){
+        Auth::logout();
+        Session::flush();
+        return Redirect::to('/');
+    }
 }