NN2022112805/app/Services/Common/NoticeService.php

<?php
// +----------------------------------------------------------------------
// | LARAVEL8.0 框架 [ LARAVEL ][ RXThinkCMF ]
// +----------------------------------------------------------------------
// | 版权所有 2017~2021 LARAVEL研发中心
// +----------------------------------------------------------------------
// | 官方网站: http://www.laravel.cn
// +----------------------------------------------------------------------
// | Author: laravel开发员 <laravel.qq.com>
// +----------------------------------------------------------------------

namespace App\Services\Common;

use App\Models\NoticeModel;
use App\Services\BaseService;
use App\Services\RedisService;

/**
 * 通知公告-服务类
 * @author laravel开发员
 * @since 2020/11/11
 * Class NoticeService
 * @package App\Services\Common
 */
class NoticeService extends BaseService
{
    protected static $instance = null;
    /**
     * 构造函数
     * @author laravel开发员
     * @since 2020/11/11
     * NoticeService constructor.
     */
    public function __construct()
    {
        $this->model = new NoticeModel();
    }

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

    /**
     * 列表数据
     * @param $params
     * @param int $pageSize
     * @return array
     */
    public function getDataList($params, $pageSize = 15)
    {
        $where = ['a.mark' => 1,'status'=>1];
        $status = isset($params['status'])? $params['status'] : 0;
        if($status>0){
            $where['a.status'] = $status;
        }
        $list = $this->model->from('notice as a')
            ->where($where)
            ->where(function ($query) use($params){
                $keyword = isset($params['keyword'])? $params['keyword'] : '';
                if($keyword){
                    $query->where('a.title','like',"%{$keyword}%");

                }
            })
            ->select(['a.*'])
            ->orderBy('a.id','desc')
            ->paginate($pageSize > 0 ? $pageSize : 9999999);
        $list = $list? $list->toArray() :[];
        if($list){
            foreach($list['data'] as &$item){
                $item['create_time'] = $item['create_time']? datetime($item['create_time'],'Y-m-d H.i.s') : '';
            }
        }

        return [
            'pageSize'=> $pageSize,
            'total'=>isset($list['total'])? $list['total'] : 0,
            'list'=> isset($list['data'])? $list['data'] : []
        ];
    }

    /**
     * 设置置顶
     * @return array
     * @since 2020/11/21
     * @author laravel开发员
     */
    public function setIsTop()
    {
        $data = request()->all();
        if (!$data['id']) {
            return message('记录ID不能为空', false);
        }
        if (!$data['is_top']) {
            return message('设置置顶不能为空', false);
        }
        $error = '';
        $item = [
            'id' => $data['id'],
            'is_top' => $data['is_top']
        ];
        $rowId = $this->model->edit($item, $error);
        if (!$rowId) {
            return message($error, false);
        }
        return message();
    }

    /**
     * 首页推荐公告
     * @param $num
     * @return array|mixed
     */
    public function getRecommandList($num)
    {
        $cacheKey = "caches:notices:{$num}";
        $datas = RedisService::get($cacheKey);
        if($datas){
            return $datas;
        }

        $datas = $this->model->where(['status'=>1,'mark'=>1])->orderBy('create_time','desc')->limit($num)->get();
        $datas = $datas? $datas->toArray() : [];
        if($datas){
            RedisService::set($cacheKey, $datas, rand(10,20));
        }

        return $datas;
    }

    /**
     * @param $id
     * @return array|string
     */
    public function getInfo($id)
    {
        return $this->model->getInfo($id);
    }

}