Json Çıktımı Sayfalandırmak İstiyorum (Pagination)

public function index() {
      $contact_array = [];
      $user = request()->user();
      $contacts = Contact::for($user->id)->paginate(10);
      foreach ($contacts as $key => $contact) {
        $friend = $contact->user1_id === $user->id ? $contact->user2 : $contact->user1;
        $contact_array[] = $friend->toArray() + ['room' => $contact->room->toArray()];
      }
      return response()->json($contact_array);
    }

public function index()
     {
         $contacts = [];
         $user = request()->user();
         // Loop through the contacts and format each one

         Contact::for($user->id)->get()->each(function ($contact) use ($user, &$contacts) {
             $friend = $contact->user1_id === $user->id ? $contact->user2 : $contact->user1;
             $contacts[] = $friend->toArray() + ['room' => $contact->room->toArray()];
         });

         // Get current page form url e.x. &page=1
                 $currentPage = LengthAwarePaginator::resolveCurrentPage();

                 // Create a new Laravel collection from the array data
                 $itemCollection = collect($contacts);

                 // Define how many items we want to be visible in each page
                 $perPage = 10;

                 // Slice the collection to get the items to display in current page
                 $currentPageItems = $itemCollection->slice(($currentPage * $perPage) - $perPage, $perPage)->all();

                 // Create our paginator and pass it to the view
                 $paginatedItems= new LengthAwarePaginator($currentPageItems , count($itemCollection), $perPage);


         return response()->json($paginatedItems);
     }