screen/application/common/model/Goods.php

<?php

namespace app\common\model;

use app\common\validate\KillService;
use think\Model;

/**
 * 邮箱验证码
 */
class Goods Extends Model
{
    protected $type=[
        'logo'=>'json',
    ];
    public static $read=[
        'num_sell'
    ];
    // 开启自动写入时间戳字段
    protected $autoWriteTimestamp = true;

    public function sku(){
        return $this->hasMany(GoodsSku::class);
    }
    public function detail(){
        return $this->hasMany(GoodsDetail::class);
    }
    public function service(){
        return $this->hasMany(GoodsService::class);
    }
    public function binds(){
        return $this->hasMany(GoodsBind::class);
    }
    public function category(){
        return $this->belongsTo(Category::class);
    }

    public static $status=[
        1=>'正常',
        2=>'下架',
    ];

    /**
     * @return string[]
     */
    public static function getStatus(): array
    {
        return self::$status;
    }

    public static function show(){
        return self::where('status',1);
    }
    public function getAmountAttr($amount,$model){
        if(KillService::open() && $model['is_kill']){
            return $model['amount_kill'];
        }
        return $amount;
    }
    public function setAmount(){
        $sku=$this->sku()->find();
        $this->where('id',$this['id'])->update([
            'amount'=>$sku['amount'],
            'amount_kill'=>$sku['amount_kill'],
        ]);
    }













    protected static function init()
    {
        self::beforeWrite(function (self $goods){
            if(!empty($goods['is_hot']) && $goods['is_hot']==1){
                $goods['hot_at']=time();
            }
            if(!empty($goods['is_kill']) && $goods['is_kill']==1){
                $goods['kill_at']=time();
            }
        });
        self::afterDelete(function (self $goods){
            $goods->detail()->delete();
            $goods->service()->delete();
            $goods->sku()->delete();
            $goods->binds()->delete();
            GoodsBind::where('bind_goods_id',$goods['id'])->delete();
            GoodsCart::where('goods_id',$goods['id'])->delete();
            UserCouponGoods::where('goods_id',$goods['id'])->delete();
            GoodsInstallLink::where('goods_id',$goods['id'])->delete();
            Favourite::where('fav_id',$goods['id'])->where('fav_type','goods')->delete();
        });

        self::afterUpdate(function (self $goods){
            //$goods->setAmount();
        });

        self::afterInsert(function (self $goods){
            SiteMsg::sendMsg(
                SiteMsg::TYPE_NEW_GOODS,
                0,
                compact('goods')
            );
        });
    }
}