106 lines
3.5 KiB
C#
106 lines
3.5 KiB
C#
using DM_Weight.Models;
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using DM_Weight.msg;
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using DM_Weight.Port;
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using DM_Weight.util;
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using log4net;
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using Prism.Commands;
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using Prism.Events;
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using Prism.Mvvm;
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using Prism.Regions;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Threading;
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namespace DM_Weight.ViewModels
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{
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public class EmergencyWindowViewModel : BindableBase, IRegionMemberLifetime, INavigationAware
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{
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private readonly ILog logger = LogManager.GetLogger(typeof(HomeWindowViewModel));
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IEventAggregator _eventAggregator;
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private PortUtil _portUtil;
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IRegionManager _regionManager;
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private bool _dbConnectionFail = !App.DbConnectionFail;
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public bool DBConnectionStatus { get => _dbConnectionFail; set => SetProperty(ref _dbConnectionFail, value); }
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private int _status;
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public int Status { get => _status; set => SetProperty(ref _status, value); }
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public EmergencyWindowViewModel(IRegionManager regionManager, PortUtil portUtil, IEventAggregator eventAggregator)
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{
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_portUtil = portUtil;
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_eventAggregator = eventAggregator;
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_regionManager = regionManager;
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}
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public DelegateCommand<string> OpenDrawer
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{
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get => new DelegateCommand<string>((DrawerNo) =>
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{
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//应急开锁
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logger.Info($"应急开锁正在打开{DrawerNo}号抽屉");
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Status = 1;
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_portUtil.SpeakAsync("正在打开" + DrawerNo + "号抽屉");
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_portUtil.WindowName = "EmergencyWindow";
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_portUtil.BoardType = 1;
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_portUtil.ColNos = new int[] { 1 };
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_portUtil.DrawerNo = Convert.ToInt32(DrawerNo);
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Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Normal, () => _portUtil.OpenDrawer());
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}
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);
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}
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private DelegateCommand? _exitCommand;
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public DelegateCommand ExitCommand => _exitCommand ??= new DelegateCommand(Exit);
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void Exit()
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{
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Process.GetCurrentProcess().Kill();
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Environment.Exit(0);
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}
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public DelegateCommand ReturnLoginDelegate
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{
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get => new DelegateCommand(() =>
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{
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_regionManager.RequestNavigate("MainRegion", "LoginWindow");
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});
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}
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//间隔1分钟查询数据库连接状态
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private void CheckDBConnect()
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{
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new PromiseUtil<int>().taskAsyncLoop(60000, 0, async (options, next, stop) =>
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{
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try
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{
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var userList = SqlSugarHelper.Db.Queryable<UserList>()
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.First(u => u.UserName == "admin");
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App.DbConnectionFail = false;
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DBConnectionStatus = true;
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stop();
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}
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catch (Exception ex)
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{
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next();
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}
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});
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}
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public bool KeepAlive => false;
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public void OnNavigatedTo(NavigationContext navigationContext)
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{
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DBConnectionStatus = !App.DbConnectionFail;
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CheckDBConnect();
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}
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public bool IsNavigationTarget(NavigationContext navigationContext)
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{
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return true;
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}
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public void OnNavigatedFrom(NavigationContext navigationContext)
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{
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}
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}
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}
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