6098/Cowain.Bake.UI/DataQuery/ViewModels/NGCellInfoViewModel.cs

using Cowain.Bake.Common;
using Cowain.Bake.Model;
using Prism.Regions;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Unity;
using Prism.Commands;
using System.Windows;
using HandyControl.Controls;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json;
using Cowain.Bake.Common.Core;
using Cowain.Bake.BLL;
using Cowain.Bake.Model.Entity;
using Cowain.Bake.Common.CsvMap;

namespace Cowain.Bake.UI.DataQuery.ViewModels
{
    public class NGCellInfoViewModel:ViewModelBase
    {
        private DateTime _startTime = DateTime.Now.AddDays(-1);
        public DateTime StartDatetime
        {
            get { return _startTime; }
            set { SetProperty(ref _startTime, DateTime.Parse(value.ToString("yyyy-MM-dd HH:mm:ss"))); }
        }
        private DateTime _endTime = DateTime.Now.AddHours(1);
        public DateTime EndDatetime
        {
            get { return _endTime; }
            set { SetProperty(ref _endTime, DateTime.Parse(value.ToString("yyyy-MM-dd HH:mm:ss"))); }
        }
        public NGCellInfoViewModel(IUnityContainer unityContainer, IRegionManager regionManager) : base(unityContainer, regionManager)
        {
            this.PageTitle = "烘烤NG电芯查询";

        }

        private ObservableCollection<TBatteryNG> cellList;
        public ObservableCollection<TBatteryNG> CellList
        {
            get => cellList ?? (cellList = new ObservableCollection<TBatteryNG>());
            set { SetProperty(ref cellList, value); }
        }

        public void AsyncRefreshTask()
        {
            Application.Current?.Dispatcher?.Invoke(new Action(() =>
            {
                Refresh();
            }));
        }

        public async override void Refresh()
        {
            CellList.Clear();

            var listCell = await System.Threading.Tasks.Task.Run(() =>
            {
                //从数据库查询任务
                return _unityContainer.Resolve<BatteryNGService>().GetAllNGCell();
            });

            listCell = ExtractJson(listCell);
            listCell.ForEach(x => CellList.Add(x));
        }

        public DelegateCommand<object> ExportCommand => new DelegateCommand<object>((x) =>
        {
            if (0 == CellList.Count)
            {
                HandyControl.Controls.MessageBox.Warning("没有数据，导出失败！");
                return;
            }

            Common.Core.CSVHelper.WriteMap<TBatteryNG, FailBatteryMap>(CellList);
            //Common.Core.CSVHelper.WriteDataTableToCsv(CellList, new List<string> { "Id","BatteryCode", "PalletCode", "ChannelNo",
            //    "Desc", "CreateTime"}, new List<string> { "序号", "电芯条码", "托盘条码", "报警通道", "报警描述","报警时间"});
        });

        public DelegateCommand<object> QueryCommand => new DelegateCommand<object>((x) =>
        {
            CellList.Clear();

            if ((EndDatetime - StartDatetime).TotalDays > 5)
            {
                HandyControl.Controls.MessageBox.Warning("查询时间差在 5 天以内!");
                return;
            }


            List<TBatteryNG> queryCell = _unityContainer.Resolve<BatteryNGService>().QueryNGCell(StartDatetime, EndDatetime, Code); //出可以直接在数据库中查询得到 SELECT `Desc`->>'$.Info.MOMMessage' cmd FROM TBatteryNG;
            queryCell = ExtractJson(queryCell);
            if (0 != queryCell.Count)
            {
                queryCell.ForEach(item => CellList.Add(item));
                Growl.Success("查询完成！");
            }
            else
            {
                Growl.Success("没有数据！");
            }
        });

        /// <summary>
        /// JSON 字符串截取
        /// </summary>
        /// <param name="failBatterys"></param>
        /// <returns></returns>
        List<TBatteryNG> ExtractJson(List<TBatteryNG>  failBatterys)
        {
            try
            {
                foreach (var item in failBatterys)
                {
                    if (!IsValidJson(item.Desc))
                    {
                        continue;
                    }
                    JObject jsonObject = JObject.Parse(item.Desc);
                    string keyValue = (string)jsonObject["Info"]["MOMMessage"]; //为什么加try,怕没有MOMMessage
                    item.Desc = keyValue; // 更新为Key的值  
                }              
            }
            catch(Exception ex)
            {
                LogHelper.Instance.Info($"NG电芯,解析JSON失败:{ex.Message}");
            }

            return failBatterys;
        }

        bool IsValidJson(string input)
        {
            try
            {
                JsonConvert.DeserializeObject(input);
                //JsonDocument.Parse(input);
                return true;
            }
            catch
            {
                return false;
            }
        }
        public DelegateCommand<object> DeleteCommand => new DelegateCommand<object>((x) =>
        {
            var result = HandyControl.Controls.MessageBox.Ask($@"确定删除?", "操作提示");
            if (result == System.Windows.MessageBoxResult.Cancel)
            {
                return;
            }

            var t = x as TBatteryNG;
            if (t != null)
            {
                int delCount = _unityContainer.Resolve<BatteryNGService>().Delete(t);
                cellList.Remove(t);
                if (delCount > 0)
                {
                    Growl.Success("删除成功！");

                }
                else
                {
                    Growl.Fatal("删除失败！");
                }
            }
            else
            {
                Growl.Fatal("删除失败！");
            }
        });     
    }
}