jucai/app/Repositories/HelpCategoryRepository.php

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2018/11/7
 * Time: 10:04
 */
namespace App\Repositories;

use App\Models\HelpCategory;
use Prettus\Repository\Eloquent\BaseRepository;

/**
 * Class HelpCategoryRepositoryEloquent.
 *
 * @package namespace App\Repositories;
 */
class HelpCategoryRepository extends BaseRepository
{
    /**
     * Specify Model class name
     *
     * @return string
     */
    public function model()
    {
        return HelpCategory::class;
    }
    public function getCategories($where, $limit)
    {
        return $this->model->with(['children'])->where($where)->orderBy('list_order', 'desc')->orderBy('created_at', 'desc')->limit($limit)->get();
    }
    public function getCategory($where)
    {
        return $this->model->where($where)->first();
    }




}