public function allProductsOnDiscount(LangRequest $request): JsonResource 	{ 		return ProductListResource::collection(Product::available()->includes()->underActiveDiscount() 		->select('products.*')->leftJoin('discount_products_order', 'discount_products_order.product_id', '=', 'products.id') 		->orderByRaw('-discount_products_order.sort_number desc') 		->paginate()); 	}