NN2023021801/app/common/service/ArticleService.php

<?php
namespace app\common\service;

use app\common\model\SystemArticleModel;
use utils\RedisCache;

/**
 * 文章服务 by wes
 * Class ArticleService
 * @package app\common\service
 */
class ArticleService
{
    protected static $instance = null;
    protected $model = null;

    public function __construct()
    {
        $this->model = new SystemArticleModel();
    }

    /**
     * 静态化入口
     * @return static|null
     */
    public static function make()
    {
        if(!self::$instance){
            self::$instance = new static();
        }

        return self::$instance;
    }

    /**
     * 按类型获取列表
     * @param $groupKey 分组
     * @return array|mixed
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function getListByType($type)
    {
        $cacheKey = "caches:articles:list_{$type}";
        $data = RedisCache::get($cacheKey);
        if($data){
            return $data;
        }
        $where = ['type'=> $type];
        $data = $this->model->where($where)
            ->where('id', 'not in', '6,7')
            ->order('create_time desc')
            ->select();
        $data = $data? $data->toArray():[];
        if($data){
            RedisCache::set($cacheKey, $data, rand(10,20));
        }

        return $data;
    }


}