fix: 使用 CommunityToolkit.Mvvm

ViewModels/SettingsViewModel.cs

@@ -1,18 +1,28 @@
 using CloudPrint.Client.Models;
-using CloudPrint.Client.Infrastructure;
 using CloudPrint.Client.Services;
 using CloudPrint.Client.Services.Abstractions;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
 using System.IO;
 
 namespace CloudPrint.Client.ViewModels;
 
-public sealed class SettingsViewModel : ObservableObject
+public sealed partial class SettingsViewModel : ObservableObject
 {
     private readonly ISettingsService _settingsService;
     private readonly IPrintBackendClient _backendClient;
     private readonly IAppLogger _appLogger;
-    private string _statusMessage = "设置就绪";
-    private string _adminPassword = string.Empty;
+
+    [ObservableProperty]
+    private string statusMessage = "设置就绪";
+
+    [ObservableProperty]
+    private string adminPassword = string.Empty;
+
+    [ObservableProperty]
+    [NotifyPropertyChangedFor(nameof(AdminLoginStatus))]
+    [NotifyCanExecuteChangedFor(nameof(LogoutAdminCommand))]
+    private bool isAdminLoggedIn;
 
     public SettingsViewModel()
         : this(new JsonSettingsService().Load(), new JsonSettingsService(), new GrpcService(), new FileAppLogger())
@@ -25,11 +35,6 @@ public sealed class SettingsViewModel : ObservableObject
         _settingsService = settingsService;
         _backendClient = backendClient;
         _appLogger = appLogger;
-        SaveCommand = new RelayCommand(Save);
-        SelectLibraryRootCommand = new RelayCommand(SelectLibraryRoot);
-        LoginAdminCommand = new AsyncRelayCommand(LoginAdminAsync);
-        LogoutAdminCommand = new RelayCommand(LogoutAdmin, () => IsAdminLoggedIn);
-        OpenLogDirectoryCommand = new RelayCommand(OpenLogDirectory);
 
         if (!string.IsNullOrWhiteSpace(Settings.AdminAccessToken))
         {
@@ -40,47 +45,18 @@ public sealed class SettingsViewModel : ObservableObject
 
     public ClientSettings Settings { get; }
 
-    public string StatusMessage
-    {
-        get => _statusMessage;
-        private set => SetProperty(ref _statusMessage, value);
-    }
-
-    public RelayCommand SaveCommand { get; }
-    public RelayCommand SelectLibraryRootCommand { get; }
-    public AsyncRelayCommand LoginAdminCommand { get; }
-    public RelayCommand LogoutAdminCommand { get; }
-    public RelayCommand OpenLogDirectoryCommand { get; }
     public string LogDirectory => _appLogger.LogDirectory;
 
-    private bool _isAdminLoggedIn;
-    public bool IsAdminLoggedIn
-    {
-        get => _isAdminLoggedIn;
-        private set
-        {
-            if (SetProperty(ref _isAdminLoggedIn, value))
-            {
-                OnPropertyChanged(nameof(AdminLoginStatus));
-                LogoutAdminCommand.RaiseCanExecuteChanged();
-            }
-        }
-    }
-
     public string AdminLoginStatus => IsAdminLoggedIn ? $"已登录：{Settings.AdminUsername}" : "未登录";
 
-    public string AdminPassword
-    {
-        get => _adminPassword;
-        set => SetProperty(ref _adminPassword, value);
-    }
-
+    [RelayCommand]
     private void Save()
     {
         _settingsService.Save(Settings);
         StatusMessage = "设置已保存";
     }
 
+    [RelayCommand]
     private async Task LoginAdminAsync()
     {
         try
@@ -106,6 +82,9 @@ public sealed class SettingsViewModel : ObservableObject
         }
     }
 
+    private bool CanLogoutAdmin() => IsAdminLoggedIn;
+
+    [RelayCommand(CanExecute = nameof(CanLogoutAdmin))]
     private void LogoutAdmin()
     {
         _backendClient.LogoutAdmin();
@@ -124,6 +103,7 @@ public sealed class SettingsViewModel : ObservableObject
         }
     }
 
+    [RelayCommand]
     private void SelectLibraryRoot()
     {
         using var dialog = new System.Windows.Forms.FolderBrowserDialog
@@ -142,6 +122,7 @@ public sealed class SettingsViewModel : ObservableObject
         }
     }
 
+    [RelayCommand]
     private void OpenLogDirectory()
     {
         Directory.CreateDirectory(_appLogger.LogDirectory);
@@ -152,4 +133,4 @@ public sealed class SettingsViewModel : ObservableObject
         };
         System.Diagnostics.Process.Start(startInfo);
     }
-}
+}