public function postEdit(CategoriesRequest $request, $id)
{
$term = Categories::find($id);
$term->name = $request->name;
$term->slug = Helpers::slug($request->slug);
if (empty($term->slug)) {
$term->slug = Helpers::slug($term->name);
}
$term->parent = $request->parent;
$term->description = $request->description;
if ($term instanceof Categories) {
$term->save();
}
return Redirect('admin/categories')->with('success', 'Update category successfully');
}