Base Grid Controller on Laravel-admin

ApiLogController.php

<?php

namespace App\Admin\Controllers\Lam;

use App\Models\ApiLog;

class ApiLogController extends BaseGridController
{

    public function __construct()
    {
        $this->name  = 'ApiLog';
        $this->clazz = new ApiLog();
    }

}

BaseGridController.php

<?
namespace App\Admin\Controllers\Lam;


use App\Admin\Controllers\BaseController;
use Encore\Admin\Grid;
use Encore\Admin\Layout\Content;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Schema;

class BaseGridController extends BaseController
{

    protected $name;
    protected $clazz;

    /**
     * Index interface.
     *
     * @param Content $content
     * @return Content
     */
    public function index(Content $content)
    {
        return $content
            ->header($this->name . '列表')
            ->description($this->name . '列表')
            ->body($this->grid());
    }

    private function getAllFields($baseModel){
        if($columns = Cache::get('fields_'.$this->name)){
        }else{
            $columns = Schema::getColumnListing($baseModel->getTable());
            Cache::put('fields_'.$this->name , $columns , 5);
        }
        return $columns;
    }

    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        $grid = new Grid($this->clazz);
        foreach ($this->getAllFields($this->clazz) as $field){
            if(strtolower(substr($field, -2)) === 'at'){
                $grid->{$field}()->display(function($d){
                    if(is_numeric($d)) {
                        return getDateTimeFormat($d, 'Y-m-d H:m:s');
                    }else{
                        return $d;
                    }
                });
            }else {
                $grid->{$field}();
            }
        }
        $grid->paginate(24);
        $grid->perPages([24, 36, 48]);
        $grid->disableActions();
        $grid->disableCreateButton();
        $grid->disableRowSelector();
        $grid->disableExport();
        $this->filter($grid);
        $grid->model()->orderBy('id','DESC');
        return $grid;
    }

    protected function filter(&$grid){
        $grid->filter(function ($filter){
            foreach ($this->getAllFields($this->clazz) as $field){
                $filter->like($field , $field);
            }
            $filter->between('created_at', '建立日期')->datetime();
            $filter->between('updated_at', '修改日期')->datetime();
        });
    }
}