feat: CommunityToolkit.Mvvm

src/SiteMonitor/Program.cs

@@ -14,7 +14,7 @@ internal sealed class Program {
   ///   The logger.
   /// </summary>
   private static readonly ILog LOG = LogManager.GetLogger(typeof(Program));
-  
+
   // Initialization code. Don't use any Avalonia, third-party APIs or any
   // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
   // yet and stuff might break.
@@ -25,13 +25,13 @@ public static void Main(string[] args) {
 #else
       XmlConfigurator.Configure(new FileInfo("log4net.config"));
 #endif
-    
+
     LOG.Info("Started application");
 
     AppDomain.CurrentDomain.UnhandledException += (_, exceptArgs) => {
       LOG.Fatal("Unhandled exception", exceptArgs.ExceptionObject as Exception);
     };
-    
+
     BuildAvaloniaApp()
       .StartWithClassicDesktopLifetime(args);
   }

src/SiteMonitor/SiteMonitor.csproj

@@ -26,27 +26,28 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia" Version="11.3.6" />
-        <PackageReference Include="Avalonia.Desktop" Version="11.3.6" />
-        <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.6" />
-        <PackageReference Include="Avalonia.Fonts.Inter" Version="11.3.6" />
+        <PackageReference Include="Avalonia" Version="11.3.6"/>
+        <PackageReference Include="Avalonia.Desktop" Version="11.3.6"/>
+        <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.6"/>
+        <PackageReference Include="Avalonia.Fonts.Inter" Version="11.3.6"/>
         <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
         <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.3.1"/>
-        <PackageReference Include="Avalonia.ReactiveUI" Version="11.3.6" />
+        <PackageReference Include="Avalonia.ReactiveUI" Version="11.3.6"/>
+        <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0"/>
     </ItemGroup>
 
     <ItemGroup>
         <ProjectReference Include="..\nullinside-api\src\Nullinside.Api.Common\Nullinside.Api.Common.csproj"/>
     </ItemGroup>
 
     <ItemGroup>
-      <None Remove="log4net.config" />
-      <Content Include="log4net.config">
-        <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-      </Content>
-      <None Remove="log4net.debug.config" />
-      <Content Include="log4net.debug.config">
-        <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-      </Content>
+        <None Remove="log4net.config"/>
+        <Content Include="log4net.config">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </Content>
+        <None Remove="log4net.debug.config"/>
+        <Content Include="log4net.debug.config">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </Content>
     </ItemGroup>
 </Project>

src/SiteMonitor/ViewModels/MainWindowViewModel.cs

@@ -5,11 +5,11 @@
 using System.Net.NetworkInformation;
 using System.Threading;
 using System.Threading.Tasks;
-using System.Windows.Input;
 
 using Avalonia.Controls;
 
-using ReactiveUI;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
 
 using Renci.SshNet;
 
@@ -20,26 +20,32 @@ namespace SiteMonitor.ViewModels;
 /// <summary>
 ///   The view model for the main UI.
 /// </summary>
-public class MainWindowViewModel : ViewModelBase {
-  private bool _apiUp = true;
-  private string? _chatTimestamp;
-  private bool _isDisplayingAdvancedCommands;
-  private bool _isMinimized;
-  private bool _nullUp = true;
+public partial class MainWindowViewModel : ViewModelBase {
+  [ObservableProperty] private bool _apiUp = true;
+
+  [ObservableProperty] private string? _chatTimestamp;
+
+  [ObservableProperty] private bool _isDisplayingAdvancedCommands;
+
+  [ObservableProperty] private bool _isMinimized;
+
+  [ObservableProperty] private bool _nullUp = true;
+
   private string? _serverAddress;
-  private bool _serverUp = true;
+
+  [ObservableProperty] private bool _serverUp = true;
+
   private string? _sshPassword;
   private string? _sshUsername;
-  private bool _websiteUp = true;
+
+  [ObservableProperty] private bool _websiteUp = true;
+
   private WindowState _windowState;
 
   /// <summary>
   ///   Initializes a new instance of the <see cref="MainWindowViewModel" /> class.
   /// </summary>
   public MainWindowViewModel() {
-    OnShowCommandsCommand = ReactiveCommand.Create(OnShowCommands);
-    OnRestartCommand = ReactiveCommand.Create(OnRestart);
-    OnRestartImagesCommand = ReactiveCommand.Create(OnRestartImages);
     Task.Factory.StartNew(PingServer);
     Task.Factory.StartNew(PingSite);
     ServerAddress = Configuration.Instance.ServerAddress;
@@ -53,7 +59,7 @@ public MainWindowViewModel() {
   public string? ServerAddress {
     get => _serverAddress;
     set {
-      this.RaiseAndSetIfChanged(ref _serverAddress, value);
+      SetProperty(ref _serverAddress, value);
 
       try {
         Configuration.Instance.ServerAddress = value;
@@ -63,86 +69,25 @@ public string? ServerAddress {
     }
   }
 
-  /// <summary>
-  ///   The timestamp of the last chat message that was received.
-  /// </summary>
-  public string? ChatTimestamp {
-    get => _chatTimestamp;
-    set => this.RaiseAndSetIfChanged(ref _chatTimestamp, value);
-  }
-
-  /// <summary>
-  ///   True if the server is online.
-  /// </summary>
-  public bool ServerUp {
-    get => _serverUp;
-    set => this.RaiseAndSetIfChanged(ref _serverUp, value);
-  }
-
-  /// <summary>
-  ///   True if the website is returning a 200.
-  /// </summary>
-  public bool WebsiteUp {
-    get => _websiteUp;
-    set => this.RaiseAndSetIfChanged(ref _websiteUp, value);
-  }
-
-  /// <summary>
-  ///   True if the API is online.
-  /// </summary>
-  public bool ApiUp {
-    get => _apiUp;
-    set => this.RaiseAndSetIfChanged(ref _apiUp, value);
-  }
-
-  /// <summary>
-  ///   True if the null API is online.
-  /// </summary>
-  public bool NullUp {
-    get => _nullUp;
-    set => this.RaiseAndSetIfChanged(ref _nullUp, value);
-  }
-
   /// <summary>
   ///   Sets the window to normal, minimized, maximized, etc.
   /// </summary>
   public WindowState WindowState {
     get => _windowState;
     set {
-      this.RaiseAndSetIfChanged(ref _windowState, value);
+      SetProperty(ref _windowState, value);
       IsMinimized = _windowState == WindowState.Minimized;
     }
   }
 
-  /// <summary>
-  ///   True if the application is minimized, false otherwise.
-  /// </summary>
-  public bool IsMinimized {
-    get => _isMinimized;
-    set => this.RaiseAndSetIfChanged(ref _isMinimized, value);
-  }
-
-  /// <summary>
-  ///   Shows the commands in the UI.
-  /// </summary>
-  public ICommand OnShowCommandsCommand { get; set; }
-
-  /// <summary>
-  ///   True if displaying advanced commands, false otherwise.
-  /// </summary>
-  public bool IsDisplayingAdvancedCommands {
-    get => _isDisplayingAdvancedCommands;
-    set => this.RaiseAndSetIfChanged(ref _isDisplayingAdvancedCommands, value);
-  }
-
   /// <summary>
   ///   The username to use for the SSH session for commands.
   /// </summary>
   public string? SshUsername {
     get => _sshUsername;
     set {
       Configuration.Instance.ServerUsername = value;
-      this.RaiseAndSetIfChanged(ref _sshUsername, value);
+      SetProperty(ref _sshUsername, value);
       try {
         Configuration.WriteConfiguration();
       }
@@ -157,7 +102,7 @@ public string? SshPassword {
     get => _sshPassword;
     set {
       Configuration.Instance.ServerPassword = value;
-      this.RaiseAndSetIfChanged(ref _sshPassword, value);
+      SetProperty(ref _sshPassword, value);
       try {
         Configuration.WriteConfiguration();
       }
@@ -168,16 +113,7 @@ public string? SshPassword {
   /// <summary>
   ///   Restarts the remote machine.
   /// </summary>
-  public ICommand OnRestartCommand { get; set; }
-
-  /// <summary>
-  ///   Restarts the remote docker images.
-  /// </summary>
-  public ICommand OnRestartImagesCommand { get; set; }
-
-  /// <summary>
-  ///   Restarts the remote machine.
-  /// </summary>
+  [RelayCommand]
   private async Task OnRestart() {
     using SshClient client = new(_serverAddress!, _sshUsername!, _sshPassword!);
     await client.ConnectAsync(CancellationToken.None).ConfigureAwait(false);
@@ -188,6 +124,7 @@ private async Task OnRestart() {
   /// <summary>
   ///   Restarts the docker images.
   /// </summary>
+  [RelayCommand]
   private async Task OnRestartImages() {
     await Task.Run(async () => {
       using SshClient client = new(_serverAddress!, _sshUsername!, _sshPassword!);
@@ -208,6 +145,7 @@ await Task.Run(async () => {
   /// <summary>
   ///   Handles showing the server commands.
   /// </summary>
+  [RelayCommand]
   private void OnShowCommands() {
     IsDisplayingAdvancedCommands = true;
   }

src/SiteMonitor/ViewModels/NewVersionWindowViewModel.cs

@@ -5,6 +5,8 @@
 using Avalonia.Controls;
 using Avalonia.Threading;
 
+using CommunityToolkit.Mvvm.ComponentModel;
+
 using Nullinside.Api.Common.Desktop;
 
 using ReactiveUI;
@@ -16,11 +18,11 @@ namespace SiteMonitor.ViewModels;
 /// <summary>
 ///   The view model for the <seealso cref="NewVersionWindow" /> class.
 /// </summary>
-public class NewVersionWindowViewModel : ViewModelBase {
+public partial class NewVersionWindowViewModel : ViewModelBase {
   /// <summary>
   ///   True if updating the application currently, false otherwise.
   /// </summary>
-  private bool _isUpdating;
+  [ObservableProperty] private bool _isUpdating;
 
   /// <summary>
   ///   The local version of the software.
@@ -35,7 +37,7 @@ public class NewVersionWindowViewModel : ViewModelBase {
   /// <summary>
   ///   The version of the application on the GitHub server.
   /// </summary>
-  private string? _serverVersion;
+  [ObservableProperty] private string? _serverVersion;
 
   /// <summary>
   ///   Initializes a new instance of the <see cref="NewVersionWindowViewModel" /> class.
@@ -66,22 +68,6 @@ public string? LocalVersion {
     set => _localVersion = value;
   }
 
-  /// <summary>
-  ///   The version of the software on the GitHub server.
-  /// </summary>
-  public string? ServerVersion {
-    get => _serverVersion;
-    set => this.RaiseAndSetIfChanged(ref _serverVersion, value);
-  }
-
-  /// <summary>
-  ///   True if updating the application currently, false otherwise.
-  /// </summary>
-  public bool IsUpdating {
-    get => _isUpdating;
-    set => this.RaiseAndSetIfChanged(ref _isUpdating, value);
-  }
-
   /// <summary>
   ///   A command to update the software.
   /// </summary>

src/SiteMonitor/ViewModels/ViewModelBase.cs

@@ -1,9 +1,9 @@
-using ReactiveUI;
+using CommunityToolkit.Mvvm.ComponentModel;
 
 namespace SiteMonitor.ViewModels;
 
 /// <summary>
 ///   A base class for all view models.
 /// </summary>
-public class ViewModelBase : ReactiveObject {
+public class ViewModelBase : ObservableObject {
 }

src/SiteMonitor/Views/MainWindow.axaml

@@ -44,7 +44,7 @@
             <StackPanel Grid.Row="2">
                 <Button HorizontalAlignment="Right"
                         IsVisible="{Binding !IsDisplayingAdvancedCommands}"
-                        Command="{Binding OnShowCommandsCommand}">
+                        Command="{Binding ShowCommandsCommand}">
                     Show Advanced Commands
                 </Button>
                 <StackPanel IsVisible="{Binding IsDisplayingAdvancedCommands}">
@@ -81,11 +81,11 @@
                     </Grid>
                     <StackPanel Orientation="Horizontal">
                         <Button HorizontalAlignment="Right"
-                                Command="{Binding OnRestartCommand}">
+                                Command="{Binding RestartCommand}">
                             Restart Computer
                         </Button>
                         <Button HorizontalAlignment="Right"
-                                Command="{Binding OnRestartImagesCommand}">
+                                Command="{Binding RestartImagesCommand}">
                             Restart Services
                         </Button>
                     </StackPanel>

src/SiteMonitor/Views/MainWindow.axaml.cs

@@ -1,3 +1,10 @@
+#if !DEBUG
+using Avalonia.Threading;
+
+using SiteMonitor.ViewModels;
+#else
+using Avalonia;
+#endif
 using System;
 using System.Linq;
 using System.Threading.Tasks;
@@ -8,14 +15,6 @@
 using Microsoft.Extensions.DependencyInjection;
 
 using Nullinside.Api.Common.Desktop;
-#if !DEBUG
-using Avalonia.Threading;
-
-using SiteMonitor.ViewModels;
-
-#else
-using Avalonia;
-#endif
 
 
 namespace SiteMonitor.Views;