Automate view initialization

DiscordChatExporter.Gui/ViewModels/Components/DashboardViewModel.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
-using System.Diagnostics;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -96,11 +95,12 @@ public partial class DashboardViewModel : ViewModelBase
 
     public ObservableCollection<ChannelConnection> SelectedChannels { get; } = [];
 
-    [RelayCommand]
-    private void Initialize()
+    public override Task InitializeAsync()
     {
         if (!string.IsNullOrWhiteSpace(_settingsService.LastToken))
             Token = _settingsService.LastToken;
+
+        return Task.CompletedTask;
     }
 
     [RelayCommand]

DiscordChatExporter.Gui/ViewModels/Dialogs/ExportSetupViewModel.cs

@@ -102,8 +102,7 @@ public partial class ExportSetupViewModel(
             ? MessageFilter.Parse(MessageFilterValue)
             : MessageFilter.Null;
 
-    [RelayCommand]
-    private void Initialize()
+    public override Task InitializeAsync()
     {
         // Persist preferences
         SelectedFormat = settingsService.LastExportFormat;
@@ -126,6 +125,8 @@ public partial class ExportSetupViewModel(
             || ShouldReuseAssets
             || !string.IsNullOrWhiteSpace(AssetsDirPath)
             || IsReverseMessageOrder;
+
+        return Task.CompletedTask;
     }
 
     [RelayCommand]

DiscordChatExporter.Gui/ViewModels/MainViewModel.cs

@@ -2,7 +2,6 @@
 using System.Diagnostics;
 using System.Threading.Tasks;
 using Avalonia;
-using CommunityToolkit.Mvvm.Input;
 using DiscordChatExporter.Gui.Framework;
 using DiscordChatExporter.Gui.Localization;
 using DiscordChatExporter.Gui.Services;
@@ -100,8 +99,7 @@ public partial class MainViewModel(
         }
     }
 
-    [RelayCommand]
-    private async Task InitializeAsync()
+    public override async Task InitializeAsync()
     {
         await ShowUkraineSupportMessageAsync();
         await ShowDevelopmentBuildMessageAsync();