/**
  * @param $id
  * @return \Illuminate\Contracts\View\View
  */
 public function show($id)
 {
     $crumbs = [];
     Category::buildCrumb($id, $crumbs);
     $categories = Category::whereParentId($id)->get();
     $this->share('categories', $categories);
     $this->share('count', $categories->count());
     $this->share('crumbs', $crumbs);
     $this->share('id', $id);
     return $this->view('content.category.show');
 }