diff --git a/Presence.Desktop/App.axaml b/Presence.Desktop/App.axaml
new file mode 100644
index 0000000..eea6afa
--- /dev/null
+++ b/Presence.Desktop/App.axaml
@@ -0,0 +1,15 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Presence.Desktop/App.axaml.cs b/Presence.Desktop/App.axaml.cs
new file mode 100644
index 0000000..2640ca7
--- /dev/null
+++ b/Presence.Desktop/App.axaml.cs
@@ -0,0 +1,37 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Markup.Xaml;
+using Microsoft.Extensions.DependencyInjection;
+using Presence.Desktop.DI;
+using Presence.Desktop.ViewModels;
+using Presence.Desktop.Views;
+
+namespace Presence.Desktop
+{
+ public partial class App : Application
+ {
+ public override void Initialize()
+ {
+ AvaloniaXamlLoader.Load(this);
+ }
+
+ public override void OnFrameworkInitializationCompleted()
+ {
+ var serviceCollection = new ServiceCollection();
+ serviceCollection.AddCommonService();
+ var services = serviceCollection.BuildServiceProvider();
+ var mainViewModel = services.GetRequiredService();
+
+ if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+ {
+ desktop.MainWindow = new MainWindow
+ {
+ DataContext = mainViewModel,
+ };
+ }
+
+ base.OnFrameworkInitializationCompleted();
+ }
+
+ }
+}
\ No newline at end of file
diff --git a/Presence.Desktop/Assets/avalonia-logo.ico b/Presence.Desktop/Assets/avalonia-logo.ico
new file mode 100644
index 0000000..da8d49f
Binary files /dev/null and b/Presence.Desktop/Assets/avalonia-logo.ico differ
diff --git a/Presence.Desktop/DI/ServiceCollectionExtensions.cs b/Presence.Desktop/DI/ServiceCollectionExtensions.cs
new file mode 100644
index 0000000..ee4d117
--- /dev/null
+++ b/Presence.Desktop/DI/ServiceCollectionExtensions.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+using data;
+using data.Repository;
+using domain.Service;
+using domain.UseCase;
+using Microsoft.Extensions.DependencyInjection;
+using Presence.Desktop.ViewModels;
+
+namespace Presence.Desktop.DI
+{
+ public static class ServiceCollectionExtensions
+ {
+ public static void AddCommonService(this IServiceCollection collection)
+ {
+ collection
+ .AddDbContext()
+ .AddSingleton()
+ .AddTransient()
+ .AddTransient();
+ }
+ }
+}
diff --git a/Presence.Desktop/Presence.Desktop.csproj b/Presence.Desktop/Presence.Desktop.csproj
new file mode 100644
index 0000000..92a908c
--- /dev/null
+++ b/Presence.Desktop/Presence.Desktop.csproj
@@ -0,0 +1,34 @@
+
+
+ WinExe
+ net8.0
+ enable
+ true
+ app.manifest
+ true
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ None
+ All
+
+
+
+
+
+
+
+
+
+
diff --git a/Presence.Desktop/Program.cs b/Presence.Desktop/Program.cs
new file mode 100644
index 0000000..9d4a474
--- /dev/null
+++ b/Presence.Desktop/Program.cs
@@ -0,0 +1,24 @@
+using Avalonia;
+using Avalonia.ReactiveUI;
+using System;
+
+namespace Presence.Desktop
+{
+ internal sealed class 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.
+ [STAThread]
+ public static void Main(string[] args) => BuildAvaloniaApp()
+ .StartWithClassicDesktopLifetime(args);
+
+ // Avalonia configuration, don't remove; also used by visual designer.
+ public static AppBuilder BuildAvaloniaApp()
+ => AppBuilder.Configure()
+ .UsePlatformDetect()
+ .WithInterFont()
+ .LogToTrace()
+ .UseReactiveUI();
+ }
+}
diff --git a/Presence.Desktop/ViewLocator.cs b/Presence.Desktop/ViewLocator.cs
new file mode 100644
index 0000000..74b8a57
--- /dev/null
+++ b/Presence.Desktop/ViewLocator.cs
@@ -0,0 +1,32 @@
+using Avalonia.Controls;
+using Avalonia.Controls.Templates;
+using Presence.Desktop.ViewModels;
+using System;
+
+namespace Presence.Desktop
+{
+ public class ViewLocator : IDataTemplate
+ {
+
+ public Control? Build(object? param)
+ {
+ if (param is null)
+ return null;
+
+ var name = param.GetType().FullName!.Replace("ViewModel", "View", StringComparison.Ordinal);
+ var type = Type.GetType(name);
+
+ if (type != null)
+ {
+ return (Control)Activator.CreateInstance(type)!;
+ }
+
+ return new TextBlock { Text = "Not Found: " + name };
+ }
+
+ public bool Match(object? data)
+ {
+ return data is ViewModelBase;
+ }
+ }
+}
diff --git a/Presence.Desktop/ViewModels/MainWindowViewModel.cs b/Presence.Desktop/ViewModels/MainWindowViewModel.cs
new file mode 100644
index 0000000..f92cbe7
--- /dev/null
+++ b/Presence.Desktop/ViewModels/MainWindowViewModel.cs
@@ -0,0 +1,15 @@
+using domain.UseCase;
+
+namespace Presence.Desktop.ViewModels
+{
+ public class MainWindowViewModel : ViewModelBase
+ {
+ private readonly IGroupUseCase _groupService;
+ public MainWindowViewModel(IGroupUseCase groupService)
+ {
+ _groupService = groupService;
+ }
+
+ public string Greeting { get; } = "Welcome to Avalonia!";
+ }
+}
diff --git a/Presence.Desktop/ViewModels/ViewModelBase.cs b/Presence.Desktop/ViewModels/ViewModelBase.cs
new file mode 100644
index 0000000..66c82c5
--- /dev/null
+++ b/Presence.Desktop/ViewModels/ViewModelBase.cs
@@ -0,0 +1,8 @@
+using ReactiveUI;
+
+namespace Presence.Desktop.ViewModels
+{
+ public class ViewModelBase : ReactiveObject
+ {
+ }
+}
diff --git a/Presence.Desktop/Views/MainWindow.axaml b/Presence.Desktop/Views/MainWindow.axaml
new file mode 100644
index 0000000..a158e7f
--- /dev/null
+++ b/Presence.Desktop/Views/MainWindow.axaml
@@ -0,0 +1,20 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/Presence.Desktop/Views/MainWindow.axaml.cs b/Presence.Desktop/Views/MainWindow.axaml.cs
new file mode 100644
index 0000000..2619e70
--- /dev/null
+++ b/Presence.Desktop/Views/MainWindow.axaml.cs
@@ -0,0 +1,12 @@
+using Avalonia.Controls;
+
+namespace Presence.Desktop.Views
+{
+ public partial class MainWindow : Window
+ {
+ public MainWindow()
+ {
+ InitializeComponent();
+ }
+ }
+}
\ No newline at end of file
diff --git a/Presence.Desktop/app.manifest b/Presence.Desktop/app.manifest
new file mode 100644
index 0000000..9c877cb
--- /dev/null
+++ b/Presence.Desktop/app.manifest
@@ -0,0 +1,18 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+