CNAS/CNAS_SyncService/SyncServiceOperation.cs

using CnasSynchronousCommon;
using CnasSynchronusClient;
using CnasSynchrousModel;
using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Linq;
using System.Text;
using System.Timers;
using System.Xml.Serialization;

namespace CNAS_SyncService
{
    public class SyncServiceOperation
    {
        System.Timers.Timer timerSync;
        ServiceConfig config = new ServiceConfig();
        bool bRunComplete = true;
        public void Start()
        {
            AppLog.ServiceInfo("SyncSerivce:服务启动");
            config = ReadServiceConfigData();
            if (config.Minutes != 0)
            {
                //  启动定时器
                timerSync = new System.Timers.Timer();
                timerSync.Interval = config.Minutes * 60 * 1000;  //设置计时器事件间隔执行时间
                timerSync.Elapsed += new System.Timers.ElapsedEventHandler(timerSync_Elapsed);
                timerSync.Enabled = true;
            }
            else
            {
                //写入日志
                AppLog.ServiceInfo("SyncSerivce:未能成功读取定时器时间，本次同步失败。");
            }
        }

        private void timerSync_Elapsed(object sender, ElapsedEventArgs e)
        {
            AppLog.ServiceInfo("定时器启动");
            if (bRunComplete)
            {
                bRunComplete = false;
                //执行同步程序
                //1.读取配置信息
                List<SyncInstrumentItemInfo> lstSyncInstrument = ReadSyncInstruments();
                //2 遍历仪器列表，逐个列表进行同步
                foreach (var instrumentItem in lstSyncInstrument)
                {
                    RunSyncByInstrument(instrumentItem);
                }
                bRunComplete = true;

                //回收垃圾
                GC.Collect();
            } 
        }

        private List<SyncInstrumentItemInfo> ReadSyncInstruments()
        {
            List<SyncInstrumentItemInfo> lstSyncInstrument = new List<SyncInstrumentItemInfo>();
            lstSyncInstrument = FileOperation.GetLocalSyncInStrumentData();
            AppLog.ServiceInfo($"读取到本地配置信息行数{lstSyncInstrument.Count}");
            return lstSyncInstrument;
        }

        private void RunSyncByInstrument(SyncInstrumentItemInfo syncInstrumentItem)
        {
            //0.读取目标库表数据的最大时间  1.读取来源的数据  2.对读取到的数据进行逻辑处理，整理格式  3.执行同步
            AppLog.ServiceInfo("准备根据日期字段查询筛选");
            var query = syncInstrumentItem.LstSyncPramas.Where(s => s.IfDateField == true).ToList<SyncParamasInfo>();
            if (query.Count == 1)
            {
                string strCompareTime = "";
                string strDateTime = CnasDataOperationFact.CnasDataOperation().GetMaxTimeByTableName(syncInstrumentItem.SyncTargetDBInfo, syncInstrumentItem.LstSyncPramas[0].TargetTable, query[0].TargetField, syncInstrumentItem.CnasInstrumentColumn,syncInstrumentItem.GUID);

                //strDateTime = "2016-07-01 00:00:00";
                if (strDateTime == "1899-1-1")
                {
                    AppLog.ServiceInfo($"读取上次最晚执行时间数据库连接失败。");
                    return;
                }
               else if (strDateTime == "")
                {
                    strCompareTime = Convert.ToDateTime(config.InitalDT.ToString()).ToString("yyyy-MM-dd HH:mm:ss");
                }
                else
                    strCompareTime = Convert.ToDateTime(strDateTime).AddDays(-3).ToString("yyyy-MM-dd HH:mm:ss");
                AppLog.ServiceInfo($"读取上次最晚执行时间为{strCompareTime}");

                object[] obj = new object[]
                    {
                        syncInstrumentItem.LstSyncPramas[0].SourceTable,
                        query[0].SourceField,
                        strCompareTime
                    };
                InstrumentData instrumentData = InstrumentDataFact.CreateInstrumentDataSource(syncInstrumentItem.SyncInstrumentDSInfo, obj);
                DataTable dtReadySource = instrumentData.GetInstrumentDataByDate();
                AppLog.ServiceInfo($"根据日期读取准备插入的来源数据,共{dtReadySource.Rows.Count}条数据");

                string strMsg = "";
                RunUpLoad(syncInstrumentItem, dtReadySource, ref strMsg);
                if (strMsg != "")
                {
                    //写入日志
                    AppLog.ServiceInfo(strMsg);
                }
            }
            else
            {
                AppLog.ServiceInfo("SyncSerivce:未能成功读取日期字段，可能不存在或存在多个日期字段，本次同步失败。");
            }
        }

        private void RunUpLoad(SyncInstrumentItemInfo syncInstrumentItem,DataTable dtReadySource,ref string strMsg)
        {
            //根据映射字段获取准备上传的所有数据
            if (dtReadySource == null || dtReadySource.Rows.Count <= 0) return;
            
            //构建准备插入的数据
            DataTable dtTarget = CnasDataOperationFact.CnasDataOperation().GetCNASTablesStruct(syncInstrumentItem.LstSyncPramas[0].TargetTable, syncInstrumentItem.SyncTargetDBInfo);
            AppLog.ServiceInfo("读取目标数据的数据结构");

            if (dtTarget.Columns.Count <= 0)
            {
                strMsg="未能成功读取CNAS数据库列，请检查数据库配置。";
                return;
            }

            CnasInsertOperation insertOperation = new CnasInsertOperation()
            {
                syncInstrumentItem = syncInstrumentItem
            };
            AppLog.ServiceInfo("遍历所有来源数据，构造准备插入的数据");
            strMsg=insertOperation.CreateInputData(dtReadySource, ref dtTarget);
            if (strMsg != "") return;
            if (dtTarget.Rows.Count <= 0)
            {
                strMsg = "创建准备插入的数据行为空。";
                return;
            }

            AppLog.ServiceInfo("检查准备插入的数据是否合法");
            insertOperation.CheckInsertDataFormat(dtTarget, ref strMsg);
            if (strMsg != "") return;
            
            //逐行执行插入
            List<DataRow> lstError = new List<DataRow>();
            int ErrorCount = 0;
            int SuccessCount = 0;
            int OtherCount = 0;
            AppLog.ServiceInfo($"逐行插入目标数据，最终准备插入(更新)数据行{dtTarget.Rows.Count}");
            foreach (DataRow dr in dtTarget.Rows)
            {
                dr.AcceptChanges();
                int iReturn = CnasDataOperationFact.CnasDataOperation().InsertDataToCNASTable(GlobalCommonOperation.ConvertDataRowToTable(dr), syncInstrumentItem.SyncTargetDBInfo, syncInstrumentItem.LstSyncPramas, syncInstrumentItem.CnasInstrumentColumn, syncInstrumentItem.lstFixedValue);
                if (iReturn <= 0)  //此时出现问题
                {
                    if (iReturn == -1)
                    {
                        AppLog.ServiceInfo("数据库连接中断，终止本次上传。");
                        break;   //此时数据库连接中断，直接跳出循环，结束本次数据同步传输
                    }
                    else if (iReturn == -2)  //等于-2表示插入准备更新时发现数据一致，不再执行
                    {
                        OtherCount++;
                    }
                    else
                    {
                        ErrorCount++;
                        //lstError.Add(GlobalCommonOperation.ConvertDataRowToTable(dr).Rows[0]);
                    }
                }
                else
                {
                    SuccessCount++;
                    AppLog.Info("成功插入（更新）1条数据。");
                }
            }
            
            //if (lstError.Count <= 0)
            //{
            //    strMsg = "上传完成！...................................................................................................................................";
            //}
            //else
            //{
            //    //log.ErrorFormat("未成功上传的数据如下：{0}", ListToString(lstError));
            //    strMsg = "上传过程中发生异常，存在部分数据未成功上传，请联系管理员！";
            //}
            strMsg= $"上传操作完成！其中成功{SuccessCount}条，失败{ErrorCount}条，其他{OtherCount}条。............................................................................................................";
        }
        private ServiceConfig ReadServiceConfigData()
        {
            ServiceConfig config = new ServiceConfig();
            try
            {
                //读取本地文件中存储的配置信息
                XmlSerializer serializer = new XmlSerializer(config.GetType());
                FileStream stream = new FileStream(FileHelper.getBasePath() + "/Data/SyncServiceData.xml", FileMode.Open);
                config = (ServiceConfig)serializer.Deserialize(stream);
                stream.Close();
            }
            catch (Exception ex)
            {
                AppLog.ServiceInfo(ex.Message);
            }
            return config;
        }
    }
}