修复空指针异常的潜在问题

xxyy

2025-03-06 aded48e0f32d28bf61479a3c50ac63946be6f469

 Code Management/WMS/WIDESEA_WMSServer/WIDESEA_StorageTaskServices/Task/Partial/Dt_TaskService.cs

@@ -542,12 +542,13 @@
        {
            if (stationManager.stationType != 7) throw new Exception("错误的调取");

            var stockinfo = await _stockInfoRepository.Db.Queryable<DtStockInfo>()
                .Includes(x => x.LocationInfo)
                //.Includes(x=>x.StockInfoDetails)
                .Where(x => !x.IsFull && x.LocationInfo.RoadwayNo == stationManager.Roadway)
            // 从缓存中获取库存信息
            IDictionary<string, DtStockInfo>? stockInfos = _simpleCacheService.HashGetAll<DtStockInfo>(WIDESEA_Cache.CacheConst.Cache_DtStockInfo);
            List<DtStockInfo> stockInfoList = stockInfos.Values.ToList();

            var stockinfo = stockInfoList.Where(x => x.LocationInfo != null && !x.IsFull && x.LocationInfo.RoadwayNo == stationManager.Roadway)
                .OrderBy(x => x.CreateDate)
                .FirstAsync();
                .FirstOrDefault();

            if (stockinfo == null) return null;

@@ -886,11 +887,34 @@

    #region 常温补空托盘至分容

    private static readonly Dictionary<string, (int Count, DateTime LastRequestTime)> requestTrackerToCW = new();

    public async Task<WebResponseContent> GetFROutTrayToCW(RequestTaskDto taskDTO)
    {
        WebResponseContent content = new WebResponseContent();
        try
        {
            string requestKey = JsonConvert.SerializeObject(taskDTO);
            // 检查请求次数和时间限制
            if (requestTrackerToCW.TryGetValue(requestKey, out var requestInfo))
            {
                if (requestInfo.Count > 5 && DateTime.Now < requestInfo.LastRequestTime.AddMinutes(2))
                {
                    // 如果请求次数超过限制且未超过10分钟，抛出异常
                    throw new InvalidOperationException("请求次数已达到限制，请稍后再试。");
                }
            }

            // 更新请求跟踪信息
            if (requestTrackerToCW.ContainsKey(requestKey))
            {
                requestTrackerToCW[requestKey] = (requestInfo.Count + 1, DateTime.Now);
            }
            else
            {
                requestTrackerToCW[requestKey] = (1, DateTime.Now);
            }

            var station = _stationManagerRepository.QueryFirst(x => x.stationChildCode == taskDTO.Position && x.stationStatus == "1");
            var locations = _locationRepository.QueryData(x => x.RoadwayNo == station.Roadway && x.LocationStatus == (int)LocationEnum.Free && x.LocationType == 1);

@@ -923,6 +947,8 @@
                    _locationStatusChangeRecordRepository.AddLocationStatusChangeRecord(location, lastStatus, (int)StatusChangeTypeEnum.AutomaticDelivery, task.TaskNum);

                    // 返回成功响应
                    requestTrackerToCW.Remove(requestKey);

                    return content.OK(data: wmsTask);
                }
                else
@@ -960,17 +986,12 @@

        var result = stockInfoList.Where(x => x.ProductionLine == productLine)
            .Where(x => x.AreaCode == areaCode && x.IsFull == false)
            .Where(x => x.StockInfoDetails.Any(y => y.MaterielCode == "空托盘"))
            .Where(x => x.LocationInfo.LocationStatus == (int)LocationEnum.InStock && x.LocationInfo.AreaId == area.AreaID && x.LocationInfo.EnalbeStatus == (int)EnableEnum.Enable) // 过滤条件
            .WhereIF(!deviceCode.IsNullOrEmpty(), x => deviceCode.Contains(x.LocationInfo.RoadwayNo))
            .Where(x => x.StockInfoDetails != null && x.StockInfoDetails.Any(y => y.MaterielCode == "空托盘"))
            .Where(x => x.LocationInfo != null && x.LocationInfo.LocationStatus == (int)LocationEnum.InStock && x.LocationInfo.AreaId == area.AreaID && x.LocationInfo.EnalbeStatus == (int)EnableEnum.Enable) // 过滤条件
            .WhereIF(!deviceCode.IsNullOrEmpty(), x => x.LocationInfo != null && deviceCode.Contains(x.LocationInfo.RoadwayNo))
            .OrderBy(x => x.CreateDate) // 排序
            .FirstOrDefault(); // 转换为列表

        if (result != null)
        {
            stockInfoList = stockInfoList.Where(x => x != result).ToList();
            _simpleCacheService.HashDel<DtStockInfo>(WIDESEA_Cache.CacheConst.Cache_DtStockInfo, new string[] { result.PalletCode });
        }
        return result;
    }

@@ -991,28 +1012,6 @@
        WebResponseContent content = new WebResponseContent();
        try
        {
            //string requestKey = JsonConvert.SerializeObject(json);
            //// 检查请求次数和时间限制
            //if (requestTracker.TryGetValue(requestKey, out var requestInfo))
            //{
            //    if (requestInfo.Count >= 9 && DateTime.Now < requestInfo.LastRequestTime.AddMinutes(5))
            //    {
            //        // 如果请求次数超过限制且未超过10分钟，抛出异常
            //        throw new InvalidOperationException("请求次数已达到限制，请稍后再试。");
            //    }
            //}

            //// 更新请求跟踪信息
            //if (requestTracker.ContainsKey(requestKey))
            //{
            //    requestTracker[requestKey] = (requestInfo.Count + 1, DateTime.Now);
            //}
            //else
            //{
            //    requestTracker[requestKey] = (1, DateTime.Now);
            //}
            //LogFactory.GetLog("常温3出库至包装").Info(true, $"常温3出库至包装传入参数：" + JsonConvert.SerializeObject(json, Formatting.Indented));

            Dt_StationManager station = _stationManagerRepository.QueryFirst(x => x.stationChildCode == json.Position && x.stationType == 12 && x.stationArea == "Call");
            if (station == null) { throw new Exception($"未找到包装站台信息，请检查传入参数{json.Position}"); }

@@ -1021,26 +1020,20 @@
                .Where(x => x.DeviceCode.Contains("CWSC")) // 过滤条件
                .ToList().Select(x => x.DeviceCode).ToList();


            // 从缓存中获取库存信息
            IDictionary<string, DtStockInfo>? stockInfos = _simpleCacheService.HashGetAll<DtStockInfo>(WIDESEA_Cache.CacheConst.Cache_DtStockInfo);
            List<DtStockInfo> stockInfoList = stockInfos.Values.ToList();



            var stockInfo = stockInfoList.Where(x => x.ProductionLine == station.productLine)
                    .Where(x => x.AreaCode == "CWSC3" && x.IsFull == true) // 过滤条件
                    .Where(x => x.LocationInfo.LocationStatus == (int)LocationEnum.InStock) // 过滤条件
                    .WhereIF(!deviceCode.IsNullOrEmpty(), x => deviceCode.Contains(x.LocationInfo.RoadwayNo))
                    .OrderBy(x => x.OutboundTime) // 排序
                    .FirstOrDefault(); // 获取第一个元素

            if (stockInfo != null)
            {
                stockInfoList = stockInfoList.Where(x => x != stockInfo).ToList();
                _simpleCacheService.HashDel<DtStockInfo>(WIDESEA_Cache.CacheConst.Cache_DtStockInfo, new string[] { stockInfo.PalletCode });
            }

            // 修改后的查询代码
            var stockInfo = stockInfoList
                .Where(x => x.ProductionLine == station.productLine)
                .Where(x => x.AreaCode == "CWSC3" && x.IsFull == true)
                // 增加对 LocationInfo 的空值检查
                .Where(x => x.LocationInfo != null && x.LocationInfo.LocationStatus == (int)LocationEnum.InStock)
                // 增加对 LocationInfo 的空值检查
                .WhereIF(!deviceCode.IsNullOrEmpty(), x => x.LocationInfo != null && deviceCode.Contains(x.LocationInfo.RoadwayNo))
                .OrderBy(x => x.OutboundTime)
                .FirstOrDefault();

            if (stockInfo == null) throw new Exception($"库内{station.productLine}无满足条件的库存可出库");