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

<?php

namespace App\Service\v3\Implementations;

use App\Constants\v3\ErrorCode;
use App\Exception\ErrorCodeException;
use App\Service\v3\Interfaces\GoodsActivityServiceInterface;
use App\Service\v3\Interfaces\GoodsServiceInterface;
use App\Service\v3\Interfaces\ShopCartUpdateServiceInterface;
use App\Model\v3\ShoppingCart;
use App\Model\v3\Goods;
use App\Model\v3\GoodsActivity;
use App\Constants\v3\Goods as GoodsConstants;
use App\Service\v3\Interfaces\StoreServiceInterface;
use Hyperf\Di\Annotation\Inject;
class ShopCartUpdateService implements ShopCartUpdateServiceInterface
{
    /**
     * @Inject
     * @var GoodsServiceInterface
     */
    protected $goodsService;

    /**
     * @Inject
     * @var GoodsActivityServiceInterface
     */
    protected $goodsActivityService;

    /**
     * @Inject
     * @var StoreServiceInterface
     */
    protected $storeService;

    public function do($userId,$goodsId,$num,$activityType)
    {
        $goodsType = '';
		//判断是普通商品还是特价商品
        if($activityType == GoodsConstants::IS_ACTIVITY){
			$builder = GoodsActivity::query();
            $goodsType = GoodsActivity::class;
            $goods = $builder->find($goodsId);
            if(empty($goods)){
                throw new ErrorCodeException(ErrorCode::GOODS_NOT_EXISTS);
            }
            //特价商品限购
            $goodsArr = ShoppingCart::query()
                ->where(['user_id' => $userId,'market_id' => $goods->market_id,'activity_type' => GoodsConstants::IS_ACTIVITY])
                ->pluck('goods_id')->toArray();
            array_push($goodsArr,$goodsId);
            $checkGoodsActivity = $this->goodsActivityService->checkOrderActivityCount($goodsArr);
            if(!$checkGoodsActivity){
                throw new ErrorCodeException(ErrorCode::GOODS_ACTIVITY_RESTRICT_LIMIT);
            }
            $goodsCheck = $this->goodsActivityService->check($goods,$num,$userId);
		}else{
			$builder = Goods::query();
            $goodsType = Goods::class;
            $goods = $builder->find($goodsId);
            if(empty($goods)){
                throw new ErrorCodeException(ErrorCode::GOODS_NOT_EXISTS);
            }
            $goodsCheck = $this->goodsService->check($goods,$num);
		}
        if(empty($goods)){
            throw new ErrorCodeException(ErrorCode::GOODS_NOT_EXISTS);
        }

        if($goodsCheck !== true)
        {
            if($goodsCheck === ErrorCode::GOODS_ACTIVITY_INVENTORY_ERROR){
                $shopcartNum = ShoppingCart::query()
                    ->where([
                        'user_id' => $userId,
                        'goods_id' => $goodsId,
                        'activity_type' => $activityType
                    ])
                    ->value('num');
                if($num > $shopcartNum){
                    throw new ErrorCodeException($goodsCheck);
                }
            }else{
                throw new ErrorCodeException($goodsCheck);
            }
        }

        $shoppingCart = ShoppingCart::query()->lockForUpdate()->updateOrCreate(
				[
					'user_id' => $userId,
					'goods_id' => $goodsId,
					'activity_type' => $activityType
				],
				[
					'market_id' => $goods->market_id,
					'store_id' => $goods->store_id,
					'num' => $num,
                    'goods_type' => $goodsType
				]
			);
        $storeCheck = $this->storeService->check($goods->store_id);
        $shoppingCart->check = $storeCheck;
        return $shoppingCart;
    }

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

    public function undo($shopcartIds)
    {
        $shopcartIdsArr = explode(',',$shopcartIds);
        return ShoppingCart::destroy($shopcartIdsArr);
    }

    /**
     * 清空购物车
     * @param $userId
     * @param $marketId
     * @param array $shopcartIds
     * @return int|mixed
     */
    public function doClear($userId, $marketId, $shopcartIds = [])
    {
        $builder = ShoppingCart::query()->where([
                ['user_id','=',$userId],
                ['market_id','=',$marketId],
            ]);
        if (!empty($shopcartIds)) {
            $builder = $builder->whereIn('id', $shopcartIds);
        }
        return $builder->delete();
    }
}