Included: alert the active user someone is waiting for the item

app/Http/Controllers/AlertController.php

@@ -3,6 +3,7 @@
 namespace App\Http\Controllers;
 
 use \App\User;
+use \App\Mail\UserWaiting;
 use Illuminate\Http\Request;
 
 class AlertController extends Controller
@@ -13,6 +14,13 @@ class AlertController extends Controller
         $item->waiting_user_id = \Auth::id();
         $item->timestamps = false;
         $item->save();
+
+        $loggedUser = \Auth::user()->name;
+        $userWithItem = User::find($item->used_by);
+        \Mail::to($userWithItem)->send(
+            new UserWaiting($loggedUser, $userWithItem->name, $item)
+        );
+
         return redirect('home');
     }