public function show(Order $order, ReviewManager $reviewManager)
 {
     $items = $this->orderManager->getOrderItemRepository()->whereOrder($order)->findAll();
     $reviews = $reviewManager->getReviewRepository()->whereOrder($order)->scopes('on', Product::class)->findAll()->keyBy('reviewable_id');
     // associate each item with product review if exists
     $items->map(function ($item) use($reviews) {
         if ($reviews->has($item->id)) {
             $item->review = $reviews->get($item->product_id);
         }
         return $item;
     });
     return $this->view('order::{account}.orders.show', compact('order', 'items'));
 }