Laravel custom class to handle data table queries coming from front end

Datatables.php

<?php
namespace App\Classes;
use Illuminate\Pagination\LengthAwarePaginator;

class Datatables{
    public static function of($query, $queryset){
        //accept only the parameters inside this array
        $params = $queryset->only(['sortBy', 'sortDirection','pageIndex','pageSize','searchBy','filterBy','filterWhere','filterValue']);

        //check if filtering is enabled
        if($queryset->has('filterBy') && $queryset->has('filterWhere'))
        {
            $where =  $queryset->input('filterWhere');
            $query->whereHas($queryset->input('filterBy'),function($subquery) use ($where){
                $subquery->where('name', $where);
            });
        }

        //check if sorting is enabled
        if($queryset->has('sortBy') && $queryset->has('sortDirection'))
        {
                $query->orderBy($queryset->input('sortBy'), $queryset->input('sortDirection'));
        }

        //check if searching is enabled
        if($queryset->has('searchBy'))
        {
            $query->where('name', 'LIKE', '%'.$queryset->input('searchBy').'%');
        }

        $currentPage = $queryset->input('pageIndex');
        LengthAwarePaginator::currentPageResolver(function() use ($currentPage) {
            return $currentPage;
        });
        $query->paginate($queryset->input('pageSize'));

        return $query->orderBy('created_at','desc')->get();
    }
}

Create and Insert the custom class above inside app>Classes>Datatables.php

and in your controller "require" it. like this:
use App\Classes\Datatables;

$products = $currentShop
->products()
->with(['categories' => function($query){
$query->select('name');
}])
->with(['vendor' => function($query){
$query->select('id','name');
}]);

return Datatables::of($products, $request)