<?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\Api;

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

/**
 * 广告管理-服务类
 * Class AdService
 * @package App\Services\Api
 */
class AdService extends BaseService
{
    /**
     * 构造函数
     * AdService constructor.
     */
    public function __construct()
    {
        $this->model = new AdModel();
    }

    /**
     * 静态入口
     * @return AdService|null
     */
    public static function make()
    {
        return parent::make(); // TODO: Change the autogenerated stub
    }

    /**
     * 获取广告列表
     * @param int $position 广告位置：1-首页
     * @param int $listRows 返回数量
     * @return array|false|mixed
     */
    public function getList($position=1, $listRows = 6)
    {
        $cacheKey = "caches:adverts:index_{$position}_{$listRows}";
        if($list = RedisService::get($cacheKey)){
            return $list;
        }

        $list = $this->model->where(['position'=> $position,'mark'=>1,'status'=>1])
            ->select(['id','title','cover as image','type'])
            ->orderBy('sort','desc')
            ->limit($listRows)
            ->get()
            ->each(function($item, $k){
                $item['image'] = $item['image']? get_image_url($item['image'])  : '';
            });

        $list = $list? $list->toArray() : [];
        if($list){
            RedisService::set($cacheKey, $list, rand(10, 30));
        }

        return $list;
    }

}