bbwy/BBWY.Server.Business/PlatformSDK/_1688Business.cs

using BBWY._1688SDK.entity.OrderPreview;
using BBWY.Common.Http;
using BBWY.Common.Models;
using BBWY.Server.Model;
using BBWY.Server.Model.Dto;
using com.alibaba.openapi.client;
using com.alibaba.openapi.client.policy;
using Microsoft.Extensions.Caching.Memory;
using Newtonsoft.Json.Linq;
using NLog;
using System.Collections.Generic;
using System.Linq;

namespace BBWY.Server.Business
{
    public class _1688Business : PlatformSDKBusiness
    {
        public override Enums.Platform Platform => Enums.Platform.阿里巴巴;
        private RestApiService restApiService;
        private _1688TradeTypeCompare _1688TradeTypeCompare;

        public _1688Business(IMemoryCache memoryCache, ILogger logger, RestApiService restApiService) : base(memoryCache, logger)
        {
            this.restApiService = restApiService;
            _1688TradeTypeCompare = new _1688TradeTypeCompare();
        }

        private SyncAPIClient GetSyncAPIClient(string appKey, string appSecret)
        {
            if (!memoryCache.TryGetValue(appKey, out SyncAPIClient syncAPIClient))
            {
                syncAPIClient = new SyncAPIClient(appKey, appSecret, restApiService);
                memoryCache.Set(appKey, syncAPIClient, expirationTimeSpan);
            }
            return syncAPIClient;
        }

        public override PreviewOrderResponse PreviewOrder(PreviewOrderReuqest previewOrderReuqest)
        {
            var client = GetSyncAPIClient(previewOrderReuqest.AppKey, previewOrderReuqest.AppSecret);
            RequestPolicy reqPolicy = new RequestPolicy();
            reqPolicy.HttpMethod = "POST";
            reqPolicy.NeedAuthorization = false;
            reqPolicy.RequestSendTimestamp = false;
            reqPolicy.UseHttps = false;
            reqPolicy.UseSignture = true;
            reqPolicy.AccessPrivateApi = false;

            Request request = new Request();
            APIId apiId = new APIId();
            apiId.Name = "alibaba.createOrder.preview";
            apiId.NamespaceValue = "com.alibaba.trade";
            apiId.Version = 1;
            request.ApiId = apiId;

            var param = new CreateOrderPreview()
            {
                addressParam = new AddressParam()
                {
                    fullName = previewOrderReuqest.Consignee.ContactName,
                    mobile = previewOrderReuqest.Consignee.Mobile,
                    phone = previewOrderReuqest.Consignee.TelePhone,
                    postCode = "000000",
                    address = previewOrderReuqest.Consignee.Address,
                    provinceText = previewOrderReuqest.Consignee.Province,
                    cityText = previewOrderReuqest.Consignee.City,
                    areaText = previewOrderReuqest.Consignee.County,
                    townText = previewOrderReuqest.Consignee.Town
                },
                cargoParamList = new List<CargoParam>(),
                flow = "general"
            };
            foreach (var cargo in previewOrderReuqest.CargoParamList)
            {
                param.cargoParamList.Add(new CargoParam()
                {
                    offerId = long.Parse(cargo.ProductId),
                    specId = cargo.SpecId,
                    quantity = cargo.Quantity
                });
            }
            request.RequestEntity = param;
            if (!string.IsNullOrEmpty(previewOrderReuqest.AppToken))
                request.AccessToken = previewOrderReuqest.AppToken;
            var result = client.NewRequest(request, reqPolicy);
            if (result.Value<bool>("success") != true)
                throw new BusinessException(result.Value<string>("errorMsg")) { Code = 0 };

            var orderPreviewResuslt = (JArray)result["orderPreviewResuslt"];
            List<JToken> intersectTradeModeList = new List<JToken>();

            foreach (var orderPreviewJToken in orderPreviewResuslt)
            {
                if (orderPreviewJToken["tradeModelList"] == null)
                    throw new BusinessException("当前交易不可通过API下单,请使用1688网页交易 [交易模式列表为空]");
                var tradeModeJArray = ((JArray)orderPreviewJToken["tradeModelList"]).Where(tradeJToken => tradeJToken.Value<bool>("opSupport"));
                if (tradeModeJArray.Count() == 0)
                    throw new BusinessException("当前交易不可通过API下单,请使用1688网页交易 [没有支持开放平台下单的交易模式]");

                if (intersectTradeModeList.Count() == 0)
                    intersectTradeModeList.AddRange(tradeModeJArray);
                else
                    intersectTradeModeList = intersectTradeModeList.Intersect(tradeModeJArray, _1688TradeTypeCompare).ToList();
            }

            if (intersectTradeModeList.Count() == 0)
                throw new BusinessException("当前交易不可通过API下单,请使用1688网页交易 [多个拆单之间没有相同的交易模式]");
            return new PreviewOrderResponse()
            {
                FreightAmount = orderPreviewResuslt.Sum(jt => jt.Value<decimal>("sumCarriage")) / 100M,
                ProductAmount = orderPreviewResuslt.Sum(jt => jt.Value<decimal>("sumPaymentNoCarriage")) / 100M,
                TotalAmount = orderPreviewResuslt.Sum(jt => jt.Value<decimal>("sumPayment")) / 100M,
                OrderTradeType = new OrderTradeTypeResponse()
                {
                    Code = intersectTradeModeList.First().Value<string>("tradeType"),
                    Name = intersectTradeModeList.First().Value<string>("name"),
                }
            };
        }
    }

    public class _1688TradeTypeCompare : IEqualityComparer<JToken>
    {
        public bool Equals(JToken x, JToken y)
        {
            return x.Value<string>("tradeType").Equals(y.Value<string>("tradeType"));
        }

        public int GetHashCode(JToken obj)
        {
            return obj.GetHashCode();
        }
    }
}