/**
* Update the specified resource in storage.
*
* @param Request $request
* @param int $id
* @return Response
*/
public function update(Request $request, $id)
{
$category = new Categories();
$category->name = $request->input('name');
$category->parent_id = $request->input('parent_id');
if ($category->parent_id != 0) {
$cat = Categories::FindOrFail($category->parent_id);
$category->level = $cat->level + 1;
DB::table('categories')->where('id', '=', $id)->update(['name' => $category->name, 'parent_id' => $category->parent_id, 'level' => $category->level]);
} else {
dd();
}
}