QiFeng.ZWY.Bll/BllExt/OrderExtBll.cs

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using QiFeng.LMSD.Dal.DalExt;
using QiFeng.LMSD.Model;
using QiFeng.LMSD.Model.ApiResultModel;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace QiFeng.LMSD.Bll.BllExt
{
    public class OrderExtBll : BaseBll<OrderExtBll>
    {
        public static object subIntegralOrderLocker = new object();

        public SubOrder TransSubOrder(string commIds, string commNums, int consumerId, int consumerReceivingId)
        {
            var consumerModel = ConsumerBll.Instance.GetModel(consumerId);
            if (consumerModel == null) throw new FormatException("该用户不存在");
            var consumerMember = ConsumerMembersBll.Instance.GetModel(consumerModel.CosumerMemberId);
            var orderId = OrderExtDal.Instance.SubOrder(consumerModel, commIds, commNums, consumerReceivingId, consumerMember);
            return new SubOrder() { orderId = orderId };
        }

        /// <summary>
        /// 提交积分兑换订单
        /// </summary>
        /// <param name="commId"></param>
        /// <param name="commNum"></param>
        /// <param name="consumerId"></param>
        /// <param name="consumerReceivingId"></param>
        /// <returns></returns>
        public Int32 TransSubIntegralOrder(Int32 commId, Int32 commNum, Int32 consumerId, Int32 consumerReceivingId)
        {
            if (commId <= 0 || commNum <= 0 || consumerId <= 0 || consumerReceivingId <= 0)
                throw new FormatException("请求数据不正确");

            var consumerModel = ConsumerBll.Instance.GetModel(consumerId);
            var consumerReceivingModel = ConsumerReceivingAddressBll.Instance.GetModel(consumerReceivingId);

            var orderId = 0;
            lock (subIntegralOrderLocker)
            {
                var commModel = CommodityBll.Instance.GetModel(commId);
                if (!commModel.IsSupportIntegral)
                    throw new FormatException("该商品不支持积分兑换");

                if (commModel.IntegralExchangeNum < commNum)
                    throw new FormatException("该商品一次最多兑换" + commModel.IntegralExchangeNum + "件");

                if (commModel.Inventory < commNum)
                    throw new FormatException("库存不足");

                var totalIntegralNum = commModel.IntegralNumber * commNum;
                if (consumerModel.IntegralNumber < totalIntegralNum)
                    throw new FormatException("积分不足");

                orderId = OrderExtDal.Instance.SubIntegralOrder(consumerModel, commModel, commNum, consumerReceivingModel.Id);
            }