NN2022060801/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;

/**
 * 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;
    }

    /**
     * 获取挂单广告列表
     * @param $params 参数
     * @param int $pageSize 分页大小：默认 15
     * @return array
     */
    public function getDataList($params, $pageSize = 15, $field=[])
    {
        $where = ['a.mark' => 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){
                $title = isset($params['title'])? trim($params['title']) : '';
                if($title){
                    $query->where('a.title','like',"%{$title}%");
                }

            })
            ->select($field? $field : ['a.*'])
            ->paginate($pageSize > 0 ? $pageSize : 9999999);
        $list = $list? $list->toArray() :[];
        if($list){
            foreach($list['data'] as &$item){
                $item['create_time_text'] = $item['create_time']? datetime($item['create_time']):'';
            }
        }


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

    /**
     * 获取最新公告列表
     * @param int $limit
     * @return mixed
     */
    public function getNewList($limit=6)
    {
        return $this->model->from('notice as a')->where(['status'=>1,'mark'=>1])->take($limit)->pluck('title');
    }

    /**
     * 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();
    }

}