lanzu_api_2021-12-26/app/Service/v3/Implementations/GoodsService.php

<?php

namespace App\Service\v3\Implementations;

use App\Constants\v3\ErrorCode;
use App\Service\v3\Interfaces\GoodsServiceInterface;
use Hyperf\DbConnection\Db;
use App\Model\v3\Goods;
use App\Model\v3\GoodsBanner;
use App\Constants\v3\Store;
use App\Constants\v3\goods as goodsConstants;
class GoodsService implements GoodsServiceInterface
{
    public function do($goodsId)
    {
        $res = Goods::query()->with('store')->where('id',$goodsId)->first();
        return $res;
    }


    public function check($goodsId,$num = 1)
    {
        $data = Goods::query()->with('store')->where('id', $goodsId)->first();
        if($data->store->is_rest == 1){
            return ErrorCode::GOODS_ON_SALE_NO;
        }

        if($data->on_sale == 0 || !is_null($data->deleted_at)){
            return ErrorCode::GOODS_ON_SALE_NO;
        }

        if($data->is_infinite != 1 && $data->inventory < $num){
            return ErrorCode::GOODS_INVENTORY_ERROR;
        }

        return true;
    }

    public function undo()
    {
        // TODO: Implement undo() method.
    }

    public function getBanner()
    {
        $banner = GoodsBanner::query()->where('goods_id',1572)->get();
        return $banner;
    }
}