BPASmartClient/FryPot_DosingSystem/ViewModel/MainViewModel.cs

using BPASmartClient.Helper;
using FryPot_DosingSystem.Control;
using FryPot_DosingSystem.Model;
using FryPot_DosingSystem.View;
using Microsoft.Toolkit.Mvvm.ComponentModel;
using Microsoft.Toolkit.Mvvm.Input;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Forms;

namespace FryPot_DosingSystem.ViewModel
{
    internal class MainViewModel : ObservableObject
    {
        public ObservableCollection<ActionMenu> menus { get; set; } = new ObservableCollection<ActionMenu>();

        public RelayCommand Login { get; set; }
        public RelayCommand PasswordChange { get; set; }

        public RelayCommand ExitLogin { get; set; }
        public RelayCommand<object> TogglePag { get; set; }
        public bool UserManagement { get { return _mUserManagement; } set { _mUserManagement = value; OnPropertyChanged(); } }
        private bool _mUserManagement;
        /// <summary>
        /// 当前登陆信息
        /// </summary>
        private UserInfo _currentLoginAccount;
        public UserInfo CurrentLoginAccount { get { return _currentLoginAccount; } set { _currentLoginAccount = value; OnPropertyChanged(); } }
        /// <summary>
        /// 不同权限显示不同菜单
        /// </summary>
        public ObservableCollection<ActionMenu> DisplayMenus { get; set; } = new ObservableCollection<ActionMenu>();
        public FrameworkElement MyWindow { get { return _mMyWindow; } set { _mMyWindow = value; OnPropertyChanged(); } }
        private FrameworkElement _mMyWindow;

        public string WindowTitleName { get { return _mWindowTitleName; } set { _mWindowTitleName = value; OnPropertyChanged(); } }
        private string _mWindowTitleName;
        /// <summary>
        /// 开机自启
        /// </summary>
        public bool AutoStart { get { return SystemHelper.GetInstance.IsAutoStart(); } set { SystemHelper.GetInstance.AutoStart(value); OnPropertyChanged(); } }

        private bool _status;
        /// <summary>
        /// 设备初始化状态
        /// </summary>
        public bool Status
        {
            get { return _status; }
            set
            {
                if (value)
                {
                    ActionManage.GetInstance.Send("StartPlcInite");
                }
                else
                {
                    ActionManage.GetInstance.Send("EndPlcInite");
                }
                _status = value;
                OnPropertyChanged();
            }
        }

        private Authority authority;
        public Authority Authority
        {
            get { return authority; }
            set
            {
                var res = menus.Where(p => Array.FindIndex(p.Authority, au => au == value) >= 0).ToList();
                if (res != null && res.Count > 0)
                {
                    DisplayMenus.Clear();
                    res.ForEach(p => DisplayMenus.Add(p));
                    DoNavChanged(res[0].CommandParameter);
                }
                authority = value;
            }
        }
        public MainViewModel()
        {
            LogViewModel model = LogViewModel.GetInstance;
            DeviceOperate deviceOperate = DeviceOperate.GetInstance;//开启实时PLC数据读取
            DosingLogicControl logigControl = DosingLogicControl.GetInstance;//开启逻辑控制任务程序
            TogglePag = new RelayCommand<object>(DoNavChanged);
            Login = new RelayCommand(() =>
            {
                ActionManage.GetInstance.CancelRegister("ContentUpdate");
                ActionManage.GetInstance.Register(new Func<object>(() => { return "注册"; }), "ContentUpdate");
                DoNavChanged("AdministratorLoginView.用户登陆");
                UserManagement = false;
            });
            PasswordChange = new RelayCommand(() =>
            {
                ActionManage.GetInstance.CancelRegister("ContentUpdate");
                ActionManage.GetInstance.Register(new Func<object>(() => { return "修改"; }), "ContentUpdate");
                ActionManage.GetInstance.CancelRegister("LoginInfo");
                ActionManage.GetInstance.Register(new Func<object>(() => { return CurrentLoginAccount; }), "LoginInfo");
                DoNavChanged("AdministratorLoginView.密码修改");
                UserManagement = false;
            });
            ExitLogin = new RelayCommand(() =>
            {
                //DoNavChanged("LoginView.退出登录");
                CurrentLoginAccount = null;
                Authority = Authority.观察员;
                UserManagement = false;
            });
            LoginInfoConfig.GetInstance.Init();//用户数据初始化
            LoginRegister();
            MenusDefaultInit();
            Authority = Authority.管理员;
        }

        private void MenusDefaultInit()
        {
            menus.Add(new ActionMenu() { MenuName = "配方设置", CommandParameter = "RecipeSetView.配方设置", Authority = new Authority[] { Authority.管理员, Authority.技术员 } });
            menus.Add(new ActionMenu() { MenuName = "配方下发", CommandParameter = "RecipeSendDownView.配方下发", Authority = new Authority[] { Authority.管理员, Authority.技术员, Authority.操作员 } });
            menus.Add(new ActionMenu() { MenuName = "设备列表", CommandParameter = "DeviceListVIew.设备列表", Authority = new Authority[] { Authority.管理员, Authority.技术员, Authority.操作员, Authority.观察员 } });
            menus.Add(new ActionMenu() { MenuName = "状态监测", CommandParameter = "HardWareStatusView.状态监测", Authority = new Authority[] { Authority.管理员, Authority.技术员, Authority.操作员, Authority.观察员 } });
            menus.Add(new ActionMenu() { MenuName = "日志信息", CommandParameter = "LogView.日志信息", Authority = new Authority[] { Authority.管理员, Authority.技术员, Authority.操作员, Authority.观察员 } });
            menus.Add(new ActionMenu() { MenuName = "报警记录", CommandParameter = "", Authority = new Authority[] { Authority.管理员, Authority.技术员, Authority.操作员, Authority.观察员 } });

        }

        public void DoNavChanged(object obj)
        {
            if (obj != null && obj is string stobj)
            {
                var strs = stobj.Split('.');
                if (strs != null && strs.Length == 2)
                {
                    Type type = Type.GetType($"FryPot_DosingSystem.View.{strs[0]}");
                    var res = type?.GetConstructor(System.Type.EmptyTypes)?.Invoke(null);
                    if (res != null && res is FrameworkElement fe) MyWindow = fe;
                    WindowTitleName = strs[1];
                }
            }
        }
        /// <summary>
        /// 登陆验证
        /// </summary>
        private void LoginRegister()
        {
            ActionManage.GetInstance.Register(new Func<object, object>((o) =>
            {
                if (o != null && o is string str)
                {
                    var strs = str.Split("-=");
                    if (strs != null && strs.Length == 3)
                    {
                        var us = Global.userManager.userInfos.FirstOrDefault(p => p.UserName == strs[0] && p.Password == strs[1] && strs[2] == p.Authority.ToString());
                        if (us != null)
                        {
                            Authority = us.Authority;
                            CurrentLoginAccount = us;//记录当前登陆信息
                            return string.Empty;
                        }
                    }
                }
                return "用户名或密码错误";
            }), "LoginDosingSystem");
        }
    }
}