项目要求更改

CapMachine.Wpf/ViewModels/UserManageViewModel.cs

@@ -5,6 +5,7 @@ using CapMachine.Wpf.Services;
 using Masuit.Tools;
 using Prism.Commands;
 using Prism.Events;
+using Prism.Regions;
 using Prism.Services.Dialogs;
 using System;
 using System.Collections.Generic;
@@ -17,19 +18,21 @@ namespace CapMachine.Wpf.ViewModels
 {
     public class UserManageViewModel : NavigationViewModel
     {
-        public UserManageViewModel(IEventAggregator eventAggregator, IFreeSql freeSql, ConfigService configService, IDialogService dialogService)
+        public UserManageViewModel(IEventAggregator eventAggregator, IFreeSql freeSql, ConfigService configService, IDialogService dialogService, IRegionManager regionManager)
         {
             //事件服务
             _EventAggregator = eventAggregator;
             FreeSql = freeSql;
             ConfigService = configService;
             DialogService = dialogService;
+            RegionManager = regionManager;
             CurUserDto = new UserDto() { IsEnable = true };
         }
         private IEventAggregator _EventAggregator { get; set; }
         public IFreeSql FreeSql { get; }
         public ConfigService ConfigService { get; }
         public IDialogService DialogService { get; }
+        public IRegionManager RegionManager { get; }
 
 
 
@@ -81,18 +84,30 @@ namespace CapMachine.Wpf.ViewModels
                 if (ListUser.FirstOrDefault().Password == CurUserDto.Password.Trim())
                 {
                     MessageBox.Show("登录成功！", "提示");
-                    CurUserDto.Level = ListUser.FirstOrDefault().Level;
+
+                    var loginUser = ListUser.FirstOrDefault();
+                    CurUserDto.Id = loginUser.Id;
+                    CurUserDto.Name = loginUser.Name;
+                    CurUserDto.Level = loginUser.Level;
+                    CurUserDto.IsEnable = loginUser.IsEnable;
                     CurUserDto.Password = "";
                     ConfigService.CurUserDto = CurUserDto;
+                    ConfigService.IsUserLoggedIn = true;
+                    _UserManageCmd?.RaiseCanExecuteChanged();
+                    RegionManager.RequestNavigate("MainViewContentRegion", "MonitorView");
 
                 }
                 else
                 {
+                    ConfigService.IsUserLoggedIn = false;
+                    _UserManageCmd?.RaiseCanExecuteChanged();
                     MessageBox.Show("密码错误！", "提示");
                 }
             }
             else
             {
+                ConfigService.IsUserLoggedIn = false;
+                _UserManageCmd?.RaiseCanExecuteChanged();
                 MessageBox.Show("当前用户不存在！", "提示");
             }
 
@@ -115,19 +130,36 @@ namespace CapMachine.Wpf.ViewModels
             {
                 if (_UserManageCmd == null)
                 {
-                    _UserManageCmd = new DelegateCommand(() => UserManageCmdMethod());
+                    _UserManageCmd = new DelegateCommand(() => UserManageCmdMethod(), () => CanUserManage());
                 }
                 return _UserManageCmd;
             }
         }
 
+        /// <summary>
+        /// 判断当前用户是否可以进行用户管理
+        /// </summary>
+        /// <returns>true可管理，false不可管理</returns>
+        private bool CanUserManage()
+        {
+            return ConfigService.IsUserLoggedIn &&
+                   ConfigService.CurUserDto != null &&
+                   ConfigService.CurUserDto.Level == "管理员";
+        }
+
         /// <summary>
         /// 用户管理
         /// </summary>
         /// <exception cref="NotImplementedException"></exception>
         private void UserManageCmdMethod()
         {
-            if (CurUserDto != null && CurUserDto.Level == "管理员")
+            if (!ConfigService.IsUserLoggedIn)
+            {
+                MessageBox.Show("请先登录后再进行用户管理！", "提示");
+                return;
+            }
+
+            if (ConfigService.CurUserDto != null && ConfigService.CurUserDto.Level == "管理员")
             {
                 ShowDialogExpInfo();
             }
@@ -157,5 +189,15 @@ namespace CapMachine.Wpf.ViewModels
 
             });
         }
+
+        /// <summary>
+        /// 导航到当前页面时刷新用户管理按钮状态
+        /// </summary>
+        /// <param name="navigationContext">导航上下文</param>
+        public override void OnNavigatedTo(NavigationContext navigationContext)
+        {
+            _UserManageCmd?.RaiseCanExecuteChanged();
+            base.OnNavigatedTo(navigationContext);
+        }
     }
 }