baseXX/application/admin/model/system/RecommendRelation.php

<?php
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// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
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// | Copyright (c) 2016~2020 https://www.crmeb.com All rights reserved.
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// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
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// | Author: CRMEB Team <admin@crmeb.com>
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namespace app\admin\model\system;

use app\admin\model\article\Article;
use app\admin\model\special\Special;
use app\admin\model\special\SpecialTask;
use traits\ModelTrait;
use basic\ModelBasic;
use app\admin\model\store\StoreProduct;
use app\admin\model\system\Recommend;

/**
 * Class SystemAdmin
 * @package app\admin\model\system
 */
class RecommendRelation extends ModelBasic
{
    use ModelTrait;

    protected $insert = ['add_time'];

    public static function setAddTimeAttr($value)
    {
        return time();
    }

    public static function setWhere($id){
        $recommend=Recommend::where('id', $id)->find();
        $model=self::where('r.recommend_id', $id)->alias('r')->order('r.add_time desc');
        switch ($recommend['type']){
            case 0:
                $model=$model->join('Special s','r.link_id=s.id')->field('r.*,s.id,s.is_show,s.is_del')->where(['s.is_show'=>1,'s.is_del'=>0]);
                break;
            case 1:
                $model=$model->join('Article a','r.link_id=a.id')->field('r.*,a.id,a.is_show')->where(['a.is_show'=>1]);
                break;
            case 4:
                $model=$model->join('StoreProduct p','r.link_id=p.id')->field('r.*,p.id,p.is_show,p.is_del')->where(['p.is_show'=>1,'p.is_del'=>0]);
                break;
        }
        return $model;
    }
    public static function getAll($where, $id)
    {
        $data=self::setWhere($id)->page((int)$where['page'], (int)$where['limit'])->select();
        foreach ($data as &$itme) {
            if ($itme['type'] == 0) {
                $itme['type_name'] = '专题';
                $link = Special::PreWhere()->where('id', $itme['link_id'])->find();
                $itme['count'] = SpecialTask::getTaskCount($itme['link_id']);
                $itme['title'] = $link['title'];
            } else if ($itme['type'] == 1) {
                $itme['type_name'] = '图文';
                $link = Article::PreWhere()->where('id', $itme['link_id'])->find();
                $itme['count'] = 0;
                $itme['title'] = $link['title'];
            }else if ($itme['type'] == 4) {
                $itme['type_name'] = '商品';
                $link = StoreProduct::PreWhere()->where('id', $itme['link_id'])->find();
                $itme['count'] = 0;
                $itme['title'] = $link['store_name'];
            }
        }
        $count = self::setWhere($id)->count();
        return compact('data', 'count');
    }
}