Sln.Iot/Sln.Iot.Business/FluidBusiness.cs

#region << 版 本 注 释 >>

/*--------------------------------------------------------------------
* 版权所有 (c) 2025 WenJY 保留所有权利。
* CLR版本：4.0.30319.42000
* 机器名称：Mr.Wen's MacBook Pro
* 命名空间：Sln.Iot.Business
* 唯一标识：D5F7092D-7C5C-42B9-A373-1332CFD77169
*
* 创建者：WenJY
* 电子邮箱：
* 创建时间：2025-05-20 14:45:41
* 版本：V1.0.0
* 描述：
*
*--------------------------------------------------------------------
* 修改人：
* 时间：
* 修改说明：
*
* 版本：V1.0.0
*--------------------------------------------------------------------*/

#endregion << 版 本 注 释 >>

using System;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json;
using Sln.Iot.Business.@base;
using Sln.Iot.Common;
using Sln.Iot.Config;
using Sln.Iot.Model.dao;
using Sln.Iot.Model.dto;
using Sln.Iot.Repository.service;
using Sln.Iot.Serilog;
using Sln.Iot.Socket.Adapter;
using TouchSocket.Core;
using TouchSocket.Sockets;

namespace Sln.Iot.Business
{
    public class FluidBusiness:BaseBusiness
    {
        private Dictionary<string ,DateTime> _lastCollectTimeDict = new Dictionary<string, DateTime>();
        
        private readonly IRecordFluidInstantService? _service;
        
        public FluidBusiness(SerilogHelper logger, AppConfig appConfig, StringChange stringChange, IRecordFluidInstantService? service) : base(logger, appConfig, stringChange)
        {
            _service = service;
        }

        public override FilterResult BufferAnalysis(ISocketClient client, BufferRequestInfo requestInfo, int bodyLength)
        {
            ByteBlock byteBlock = new ByteBlock(requestInfo.Body);
            
            if (byteBlock.CanReadLen < 1)
            {
                return FilterResult.Cache;
            }
            int pos = byteBlock.Pos;
            
            try
            {
                List<RecordFluidInstant> result = new List<RecordFluidInstant>();

                var amount = requestInfo.BufferLength / bodyLength;
                
                _logger.Info($"收到{amount}个流体数据，开始循环解析......");

                for (int i = 0; i < amount; i++)
                {
                    RecordFluidInstant fluidInstant = new RecordFluidInstant();
                    
                    #region 表号解析 
                    byteBlock.Read(out byte[] b_MeterID, 2);
                    var decParts = b_MeterID.Select(b => $"{b:D2}").ToArray();
                    var equipId = $"{requestInfo.ColletEquipCode}_{decParts[0]}{decParts[1]}";
                    #endregion
                    
                    fluidInstant.monitorId = equipId;
                    
                    do
                    {
                        byteBlock.Read(out byte[] b_UA_flag, 2);
                        base._stringChange.ConvertBytesToUInt16(b_UA_flag, out uint flag);
                        switch (flag)
                        {
                            case CommParams.Press:      //压力值
								byteBlock.Read(out byte[] b_Press, 4);
                                base._stringChange.SwapBytes(ref b_Press);
                                float f_Press = BitConverter.ToSingle(b_Press, 0);
                                
                                ValueIsNan(ref f_Press);
                                
                                fluidInstant.press = (decimal)f_Press;
                                break;
                            case CommParams.STemperature:       //温度值
                                byteBlock.Read(out byte[] b_Temperature, 4);
                                base._stringChange.SwapBytes(ref b_Temperature);
                                float f_Temperature = BitConverter.ToSingle(b_Temperature, 0);
                                
                                ValueIsNan(ref f_Temperature);
                                
                                fluidInstant.temperature = (decimal)f_Temperature;
                                break;
                            case CommParams.Frequency:      //频率值
                                byteBlock.Read(out byte[] b_Frequency, 4);
                                base._stringChange.SwapBytes(ref b_Frequency);
                                float f_Frequency = BitConverter.ToSingle(b_Frequency, 0);
                                
                                ValueIsNan(ref f_Frequency);
                                
                                fluidInstant.frequency = (decimal)f_Frequency;
                                break;
                            
                            case CommParams.Density:        //密度值
                                byteBlock.Read(out byte[] b_Density, 4);
                                base._stringChange.SwapBytes(ref b_Density);
                                float f_Density = BitConverter.ToSingle(b_Density, 0);
                                
                                ValueIsNan(ref f_Density);
                                
                                fluidInstant.density = (decimal)f_Density;
                                break;
                            
                            case CommParams.FluxInstantValue:       //瞬时流值
                                byteBlock.Read(out byte[] b_FluxInstantValue, 4);
                                base._stringChange.SwapBytes(ref b_FluxInstantValue);
                                float f_FluxInstantValue = BitConverter.ToSingle(b_FluxInstantValue, 0);
                                
                                ValueIsNan(ref f_FluxInstantValue);
                                
                                fluidInstant.instantFlow = (decimal)f_FluxInstantValue;
                                break;
                            case CommParams.FluxEyeableTotalValue:      //累计流量值
                                byteBlock.Read(out byte[] b_FluxEyeableTotalValue, 4);
                                base._stringChange.SwapBytes(ref b_FluxEyeableTotalValue);
                                float f_FluxEyeableTotalValue = BitConverter.ToSingle(b_FluxEyeableTotalValue, 0);
                                
                                ValueIsNan(ref f_FluxEyeableTotalValue);
                                
                                fluidInstant.totalFlow = (decimal)f_FluxEyeableTotalValue;
                                break;
                            case CommParams.HeatInstantValue:       //瞬时热量
                                byteBlock.Read(out byte[] b_HeatInstantValue, 4);
                                base._stringChange.SwapBytes(ref b_HeatInstantValue);
                                float f_HeatInstantValue = BitConverter.ToSingle(b_HeatInstantValue, 0);
                                
                                ValueIsNan(ref f_HeatInstantValue);
                                
                                fluidInstant.instantHeat = (decimal)f_HeatInstantValue;
                                break;
                            case CommParams.HeatToftalValue:        //累计热量值
                                byteBlock.Read(out byte[] b_HeatToftalValue, 4);
                                base._stringChange.SwapBytes(ref b_HeatToftalValue);
                                float f_HeatToftalValue = BitConverter.ToSingle(b_HeatToftalValue, 0);
                                
                                ValueIsNan(ref f_HeatToftalValue);
                                
                                fluidInstant.totalHeat = (decimal)f_HeatToftalValue;
                                break;

                            case CommParams.CJSJ:       //采集时间
                                byteBlock.Read(out byte[] b_CJSJ, 6);
                                string strDateTime = "20" + b_CJSJ[5].ToString("x2")
                                                          + "-" + b_CJSJ[4].ToString("x2")
                                                          + "-" + b_CJSJ[3].ToString("x2")
                                                          + " " + b_CJSJ[2].ToString("x2")
                                                          + ":" + b_CJSJ[1].ToString("x2")
                                                          + ":" + b_CJSJ[0].ToString("x2");
                                fluidInstant.collectTime = Convert.ToDateTime(strDateTime);
                                break;
                        }

                    } while (byteBlock.Pos % bodyLength != 0);
                    
                    fluidInstant.recordTime = DateTime.Now;
                    
                    var serializeObject = JsonConvert.SerializeObject(fluidInstant);
                    
                    _logger.Info($"第{i+1}个流体仪表{fluidInstant.monitorId}解析完成：{serializeObject}");
                    
                    DateTime? lastCollectTime = GetLastCollectTime(fluidInstant.monitorId);
                    if (lastCollectTime != null && DateTime.Now -lastCollectTime < TimeSpan.FromMinutes(_appConfig.fluidTimeInterval))
                    {
                        //时间间隔小于采集间隔，不保存
                        continue;
                    }
                   
                    // 如果字典中已有该键，则更新；否则新增
                    _lastCollectTimeDict[fluidInstant.monitorId] = DateTime.Now;
                    
                    result.Add(fluidInstant);
                }
                
                if (result.Count > 0)
                {
                    //是否开启 FF 异常值过滤
                    if (_appConfig.virtualFlag)
                    {
                        ParamVerification(ref result);
                    }

                    var inRes = _service.SplitInsert(result,out List<long> insertIds);
                    _logger.Info($"{result.Count}个流体数据解析处理完成,数据保存{(inRes ? "成功" : "失败")}");
                }
                else
                {
                    _logger.Info($"{amount}个流体数据解析处理完成,没有需要保存的数据");
                }
                return FilterResult.Success;
            }
            catch (Exception e)
            {
                base._logger.Error($"流体数据解析异常：{e.Message}");
            }
            
            return FilterResult.Cache;
        }
        
        /// <summary>
        /// FF FF参数过滤
        /// </summary>
        /// <param name="dnbInstants"></param>
        /// <exception cref="ArgumentNullException"></exception>
        private void ParamVerification(ref List<RecordFluidInstant> fluidInstants)
        {
            if (fluidInstants == null)
            {
                throw new ArgumentNullException($"过滤参数方法异常，传入参数为空");
            }
            
            for (int i = fluidInstants.Count - 1; i >= 0; i--)
            {
                var item = fluidInstants[i];
                
                if (item.totalFlow == _appConfig.virtualValue)
                {
                    _logger.Info($"MonitorId:{item.monitorId},累计流量为 FF FF FF FF，已启用过滤不保存该表数据");
                    fluidInstants.RemoveAt(i);
                    continue;
                }
            }
        }
        
        private DateTime? GetLastCollectTime(string key)
        {
            // 检查键是否存在
            if (_lastCollectTimeDict.TryGetValue(key, out DateTime collectTime))
            {
                return collectTime;
            }
            else
            {
                return null;
            }
        }

        /// <summary>
        /// 应答处理
        /// </summary>
        /// <param name="client"></param>
        /// <param name="buffer"></param>
        public override void ResponseHandle(ISocketClient client, byte[] buffer)
        {
            ResponsePack sendResponsePackInfo = new ResponsePack()
            {
                m_MessageType = 0xB4
            };
            base.GetMessagePack(ref sendResponsePackInfo, buffer);
            base.SendMessageAsync(client, sendResponsePackInfo);
        }
    }
}