/**
  * create new category
  * @param  Requests\CategoryChangeRequest $request validated form
  * @return redirect to category page
  */
 public function postCreateCategory(Requests\CategoryChangeRequest $request)
 {
     $category = new Category();
     $category->fill($request->all());
     $category->save();
     return redirect()->action('Resource\\DashboardController@getIndexByCategory', ['category_id' => $category->id]);
 }