<?php

declare (strict_types = 1);

namespace app\common\model;

/**
 * 门店商品SKU模型
 * Class ShopGoodsSku
 * @package app\common\model
 */
class ShopGoodsSku extends BaseModel
{
    // 定义表名
    protected $name = 'shop_goods_sku';

    // 定义主键
    protected $pk = 'id';


    public function goods()
    {
        return $this->belongsTo("Goods")->with(['images' => ['file']]);
    }

    public function shopGoods()
    {
        return $this->belongsTo('ShopGoods');
    }

    /**
     * 关联商品规格表
     * @return \think\model\relation\HasMany
     */
    public function goodsSku()
    {
        return $this->belongsTo('GoodsSku', 'goods_sku_id', 'goods_sku_id');
    }

    /**
     * 获取sku信息详情
     * @param int $goodsId
     * @param string $goodsSkuId
     * @return array|null|static
     */
    public static function detail(int $goodsId, string $goodsSkuId)
    {
        return static::get(['goods_id' => $goodsId, 'goods_sku_id' => $goodsSkuId]);
    }
}