<?php

namespace App\Model;

use Common\Model\RedisModel;
use Illuminate\Database\Eloquent\Model;

class SelfSampleClassModel extends Model
{
    protected $connection='self';
    protected $table='sample_class';
    public $timestamps = false;

    //获取分类列表，给前端用
    public function getSampleClassList(){
        $Redis = new RedisModel();
        $pre = 'Self_sample_class_list_web';
        $Cache = json_decode($Redis->get($pre),true);
        if(!$Cache){//重新生成缓存
            $Cache = $this->where('status', '=', 1)->orderBy('sort', 'desc')->select('id','class_name','class_icon','parent_id')
                ->limit(100)->get();
            if(!$Cache)
                return false;
            $Cache = $Cache->toArray();
            $Redis->set($pre, json_encode($Cache));
            $Redis->expire($pre, 60);
        }
        return $Cache;
    }

    //获取分类信息
    public function getSampleClass($class_id){
        $Redis = new RedisModel();
        $findCache = json_decode($Redis->hget('Self_sample_class_list', $class_id),true);
        if(!$findCache){
            $find = $this->where('id', '=', $class_id)->select('id','class_name','parent_id','sort','class_icon','status')->first();
            if(!$find)
                return false;
            $find = $find->toArray();
            $findCache = $this->setSampleClassToCache($class_id, $find);
        }
        return $findCache;
    }

    //将分类信息写进redis
    public function setSampleClassToCache($id, $data){
        $field = ['id','class_name','parent_id','sort','class_icon','status'];
        $data = array_only($data, $field);
        $Redis = new RedisModel();
        $findCache = json_decode($Redis->hget('Self_sample_class_list', $id),true);
        if(!empty($findCache))
            $data = array_merge($findCache, $data);

        $Redis->hset('Self_sample_class_list', $id, json_encode($data));
        return $data;
    }
}