XiangTan_JiaoJie_Bak/DM_Weight/ViewModels/MainWindowViewModel.cs

using DM_Weight.Finger;
using DM_Weight.HIKVISION;
using DM_Weight.Models;
using DM_Weight.msg;
using DM_Weight.Port;
using DM_Weight.util;
using DM_Weight.Views;
using log4net;
using log4net.Repository.Hierarchy;
using MaterialDesignThemes.Wpf;
using Prism.Commands;
using Prism.Events;
using Prism.Mvvm;
using Prism.Regions;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media;
using Unity;

namespace DM_Weight.ViewModels
{
    internal class MainWindowViewModel : BindableBase
    {

        #region 录屏相关
        //public Recorder _recorder;
        private string _outputFolder;
        private string _outputFilePath;
        //public static MainWindowViewModel vm;
        #endregion 

        private string _title = "Prism App";   //标题

        private ISnackbarMessageQueue _snackbarMessageQueue = new SnackbarMessageQueue(TimeSpan.FromSeconds(3));

        private SolidColorBrush _colorBrush;


        //private PortUtil _portUtil;

        //private ScreenUtil _screenUtil;

        public SolidColorBrush Background
        {
            get => _colorBrush;
            set => SetProperty(ref _colorBrush, value);
        }

        public ISnackbarMessageQueue SnackbarMessageQueue
        {
            get => _snackbarMessageQueue;
            set => SetProperty(ref _snackbarMessageQueue, value);
        }
        public string Title
        {
            get { return _title; }
            set { SetProperty(ref _title, value); }
        }


        IEventAggregator eventAggregator;


        //public MainWindowViewModel(IEventAggregator eventAggregator, PortUtil portUtil, ScreenUtil screenUtil)
        //{
        //    _portUtil = portUtil;
        //    this.eventAggregator = eventAggregator;
        //    this.eventAggregator.GetEvent<SnackbarEvent>().Subscribe(doMyPrismEvent2);
        //    _screenUtil = screenUtil;
        //}
        private FingerprintUtil _fingerprintUtil;
        IRegionManager _regionManager;
        IUnityContainer _container;
        //private CHKFunction _cHKFunction;
        private readonly ILog logger = LogManager.GetLogger(typeof(PortUtil));

        SocketHelper _socketHelper;
        private PortUtil _portUtil;
        FFmpegHelper fmpegHelper;
        public MainWindowViewModel(IRegionManager regionManager, IUnityContainer container, IEventAggregator eventAggregator, FingerprintUtil fingerprintUtil, SocketHelper socketHelper, PortUtil portUtil,FFmpegHelper fmpegHelper)
        {
            //vm = this;
            _portUtil = portUtil;
            this.eventAggregator = eventAggregator;
            this.eventAggregator.GetEvent<SnackbarEvent>().Subscribe(doMyPrismEvent2);
            this.eventAggregator.GetEvent<PrintScreenEvent>().Subscribe(PrintScreen);
            _fingerprintUtil = fingerprintUtil;
            _regionManager = regionManager;
            _container = container;
            //_cHKFunction = cHKFunction;

            //System.Windows.Application.Current.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Send, new Action(() =>
            //{
            if (App.DbConnectionFail)
            {
                _regionManager.RequestNavigate("MainRegion", "EmergencyWindow");
            }
            else
            {
                _container.RegisterType<object, LoginWindow>("LoginWindow");
                _regionManager.RegisterViewWithRegion("MainRegion", "LoginWindow");
            }
            //}));
            _socketHelper = socketHelper;
            new PromiseUtil<int>().taskAsyncLoop(1200000, 0, async (options, next, stop) =>
            {
                _socketHelper.IsMultiThread = true;
                try
                {
                    TemperatureHumidityInfo temp = _portUtil.GetWSD();
                    if (temp != null)
                    {
                        SqlSugarHelper.Db.Insertable(new TemperatureHumidityInfo()
                        {
                            GroupNo = temp.GroupNo,
                            Temp = temp.Temp,
                            Humi = temp.Humi,
                            AddTime = DateTime.Now
                        }).ExecuteCommand();
                        logger.Info($"保存温湿度信息:{temp.Temp},{temp.Humi}");
                        Task.Delay(1200000);//20分钟查一次
                    }
                    else
                    {
                        logger.Info("温湿度信息返回空");
                    }
                    next();
                }
                catch (Exception ex)
                {
                    logger.Info($"保存温湿度异常：{ex.Message}");
                    next();
                }
            });
            this.fmpegHelper= fmpegHelper;
        }

        void doMyPrismEvent2(AlertMsg msg)
        {
            Application.Current.Dispatcher.Invoke(new Action(() =>
            {
                switch (msg.Type)
                {
                    case MsgType.INFO:
                        this.Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#00e676"));
                        break;
                    case MsgType.ERROR:
                        this.Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#b71c1c"));
                        break;
                    default:
                        this.Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#00e676"));
                        break;
                }
                SnackbarMessageQueue.Enqueue(msg.Message);
            }));
        }
        #region 录屏
        /// <summary>
        /// 录屏事件
        /// </summary>
        /// <param name="type">0停止录屏；1开始录屏；2退出软件清进程</param>
        void PrintScreen(int type)
        {
            if (type == 0)
            {
                StopPrintScreen();
                //删除7天前的录屏文件

                if (Directory.Exists(_outputFolder))
                {
                    var files = Directory.GetFiles(_outputFolder);
                    foreach (var file in files)
                    {
                        var fileInfo = new FileInfo(file);
                        if (fileInfo.CreationTime < DateTime.Now.AddDays(-7))
                        {
                            try
                            {
                                fileInfo.Delete();
                            }
                            catch (Exception ex)
                            {
                                logger.Error($"删除录屏文件失败: {ex.Message}");
                            }
                        }
                    }
                }
            }
            else if (type == 1)
            {
                StartPrintScreen();
            }
            else if (type == 2)
            {
                //_recorder?.Dispose();
            }
        }
        #endregion
        void StopPrintScreen()
        {
            fmpegHelper.stopFlag = true;
            fmpegHelper.StopRecording();
            //退出登录结束录屏
            //_recorder?.Stop();
        }
        //录屏
        void StartPrintScreen()
        {
            fmpegHelper.stopFlag = false;
            _outputFolder = Path.Combine(AppDomain.CurrentDomain.BaseDirectory + "Log", "ScreenRecordings");
            if (!Directory.Exists(_outputFolder))
            {
                Directory.CreateDirectory(_outputFolder);
            }
            // 生成输出文件名
            string timestamp = DateTime.Now.ToString("yyyyMMdd_HHmmss");
            _outputFilePath = Path.Combine(_outputFolder, $"{timestamp}.webm");
            fmpegHelper.StartRecording(_outputFilePath, 25);
            //// 创建输出目录
            //_outputFolder = Path.Combine(AppDomain.CurrentDomain.BaseDirectory + "Log", "ScreenRecordings");
            //if (!Directory.Exists(_outputFolder))
            //{
            //    Directory.CreateDirectory(_outputFolder);
            //}
            //// 生成输出文件名
            //string timestamp = DateTime.Now.ToString("yyyyMMdd_HHmmss");
            //_outputFilePath = Path.Combine(_outputFolder, $"{timestamp}.mp4");

            //// 设置录制选项
            //var options = new RecorderOptions();

            //// 创建录制器实例
            //_recorder = Recorder.CreateRecorder(options);

            //// 设置事件处理
            //_recorder.OnRecordingComplete += Recorder_OnRecordingComplete;
            //_recorder.OnRecordingFailed += Recorder_OnRecordingFailed;

            //// 开始录制
            //_recorder.Record(_outputFilePath);
        }
        //录制失败
        //private void Recorder_OnRecordingFailed(object sender, RecordingFailedEventArgs e)
        //{
        //    logger.Info($"录制失败: {e.Error}");
        //}
        ////录制完成
        //private void Recorder_OnRecordingComplete(object sender, RecordingCompleteEventArgs e)
        //{
        //    logger.Info($"录制完成: {e.FilePath}");
        //}
    }
}