Fix --partition and --filter options not working due to assembly trimming (#1240)

.github/workflows/main.yml

@@ -99,7 +99,7 @@ jobs:
             # GUI assets aren't suffixed, unlike the CLI assets
             asset: DiscordChatExporter
 
-    runs-on: ubuntu-latest
+    runs-on: ${{ startsWith(matrix.rid, 'win-') && 'windows-latest' || startsWith(matrix.rid, 'osx-') && 'macos-latest' || 'ubuntu-latest' }}
     timeout-minutes: 10
 
     permissions:
@@ -197,7 +197,7 @@ jobs:
           path: ${{ matrix.app }}/
 
       - name: Set permissions
-        if: ${{ !startsWith(matrix.rid, 'win') }}
+        if: ${{ !startsWith(matrix.rid, 'win-') }}
         run: chmod +x ${{ matrix.app }}/${{ matrix.asset }}
 
       - name: Create package

Directory.Build.props

@@ -8,6 +8,7 @@
     <LangVersion>preview</LangVersion>
     <Nullable>enable</Nullable>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <ILLinkTreatWarningsAsErrors>false</ILLinkTreatWarningsAsErrors>
   </PropertyGroup>
 
 </Project>

DiscordChatExporter.Cli.Tests/DiscordChatExporter.Cli.Tests.csproj

@@ -20,7 +20,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="8.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="xunit" Version="2.8.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.0" PrivateAssets="all" />
   </ItemGroup>

DiscordChatExporter.Cli/DiscordChatExporter.Cli.csproj

@@ -3,8 +3,9 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <ApplicationIcon>..\favicon.ico</ApplicationIcon>
+    <PublishTrimmed>true</PublishTrimmed>
   </PropertyGroup>
-  
+
   <ItemGroup>
     <PackageReference Include="CliFx" Version="2.3.5" />
     <PackageReference Include="CSharpier.MsBuild" Version="0.28.2" PrivateAssets="all" />

DiscordChatExporter.Cli/Program.cs

@@ -1,3 +1,41 @@
-using CliFx;
+using System.Diagnostics.CodeAnalysis;
+using System.Threading.Tasks;
+using CliFx;
+using DiscordChatExporter.Cli.Commands;
+using DiscordChatExporter.Cli.Commands.Converters;
+using DiscordChatExporter.Core.Exporting.Filtering;
+using DiscordChatExporter.Core.Exporting.Partitioning;
 
-return await new CliApplicationBuilder().AddCommandsFromThisAssembly().Build().RunAsync(args);
+namespace DiscordChatExporter.Cli;
+
+public static class Program
+{
+    // Explicit references because CliFx relies on reflection and we're publishing with trimming enabled
+    [DynamicDependency(DynamicallyAccessedMemberTypes.All, typeof(ExportAllCommand))]
+    [DynamicDependency(DynamicallyAccessedMemberTypes.All, typeof(ExportChannelsCommand))]
+    [DynamicDependency(DynamicallyAccessedMemberTypes.All, typeof(ExportDirectMessagesCommand))]
+    [DynamicDependency(DynamicallyAccessedMemberTypes.All, typeof(ExportGuildCommand))]
+    [DynamicDependency(DynamicallyAccessedMemberTypes.All, typeof(GetChannelsCommand))]
+    [DynamicDependency(DynamicallyAccessedMemberTypes.All, typeof(GetDirectChannelsCommand))]
+    [DynamicDependency(DynamicallyAccessedMemberTypes.All, typeof(GetGuildsCommand))]
+    [DynamicDependency(DynamicallyAccessedMemberTypes.All, typeof(GuideCommand))]
+    [DynamicDependency(
+        DynamicallyAccessedMemberTypes.All,
+        typeof(ThreadInclusionModeBindingConverter)
+    )]
+    [DynamicDependency(DynamicallyAccessedMemberTypes.All, typeof(TruthyBooleanBindingConverter))]
+    [DynamicDependency(DynamicallyAccessedMemberTypes.All, typeof(PartitionLimit))]
+    [DynamicDependency(DynamicallyAccessedMemberTypes.All, typeof(MessageFilter))]
+    public static async Task<int> Main(string[] args) =>
+        await new CliApplicationBuilder()
+            .AddCommand<ExportAllCommand>()
+            .AddCommand<ExportChannelsCommand>()
+            .AddCommand<ExportDirectMessagesCommand>()
+            .AddCommand<ExportGuildCommand>()
+            .AddCommand<GetChannelsCommand>()
+            .AddCommand<GetDirectChannelsCommand>()
+            .AddCommand<GetGuildsCommand>()
+            .AddCommand<GuideCommand>()
+            .Build()
+            .RunAsync(args);
+}

DiscordChatExporter.Core/DiscordChatExporter.Core.csproj

@@ -9,7 +9,7 @@
     <PackageReference Include="RazorBlade" Version="0.6.0" />
     <PackageReference Include="Superpower" Version="3.0.0" />
     <PackageReference Include="WebMarkupMin.Core" Version="2.16.0" />
-    <PackageReference Include="YoutubeExplode" Version="6.3.14" />
+    <PackageReference Include="YoutubeExplode" Version="6.3.16" />
   </ItemGroup>
 
 </Project>

DiscordChatExporter.Gui/DiscordChatExporter.Gui.csproj

@@ -4,6 +4,8 @@
     <OutputType>WinExe</OutputType>
     <AssemblyName>DiscordChatExporter</AssemblyName>
     <ApplicationIcon>..\favicon.ico</ApplicationIcon>
+    <PublishTrimmed>true</PublishTrimmed>
+    <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
   </PropertyGroup>
 
   <ItemGroup>
@@ -15,7 +17,7 @@
     <PackageReference Include="Avalonia" Version="11.0.10" />
     <PackageReference Include="Avalonia.Desktop" Version="11.0.10" />
     <PackageReference Include="Avalonia.Diagnostics" Version="11.0.10" Condition="'$(Configuration)' == 'Debug'" />
-    <PackageReference Include="Cogwheel" Version="2.0.4" />
+    <PackageReference Include="Cogwheel" Version="2.1.0" />
     <PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.2" />
     <PackageReference Include="CSharpier.MsBuild" Version="0.28.2" PrivateAssets="all" />
     <PackageReference Include="Deorcify" Version="1.0.2" PrivateAssets="all" />
@@ -24,7 +26,7 @@
     <PackageReference Include="Material.Avalonia" Version="3.6.0" />
     <PackageReference Include="Material.Icons.Avalonia" Version="2.1.9" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
-    <PackageReference Include="Onova" Version="2.6.11" />
+    <PackageReference Include="Onova" Version="2.6.12" />
   </ItemGroup>
 
   <ItemGroup>

DiscordChatExporter.Gui/Framework/ViewManager.cs

@@ -1,25 +1,31 @@
-using System;
+using Avalonia.Controls;
-using Avalonia.Controls;
 using Avalonia.Controls.Templates;
+using DiscordChatExporter.Gui.ViewModels;
+using DiscordChatExporter.Gui.ViewModels.Components;
+using DiscordChatExporter.Gui.ViewModels.Dialogs;
+using DiscordChatExporter.Gui.Views;
+using DiscordChatExporter.Gui.Views.Components;
+using DiscordChatExporter.Gui.Views.Dialogs;
 
 namespace DiscordChatExporter.Gui.Framework;
 
 public partial class ViewManager
 {
+    private Control? TryCreateView(ViewModelBase viewModel) =>
+        viewModel switch
+        {
+            MainViewModel => new MainView(),
+            DashboardViewModel => new DashboardView(),
+            ExportSetupViewModel => new ExportSetupView(),
+            MessageBoxViewModel => new MessageBoxView(),
+            SettingsViewModel => new SettingsView(),
+            _ => null
+        };
+
     public Control? TryBindView(ViewModelBase viewModel)
     {
-        var name = viewModel
+        var view = TryCreateView(viewModel);
-            .GetType()
+        if (view is null)
-            .FullName?.Replace("ViewModel", "View", StringComparison.Ordinal);
-
-        if (string.IsNullOrWhiteSpace(name))
-            return null;
-
-        var type = Type.GetType(name);
-        if (type is null)
-            return null;
-
-        if (Activator.CreateInstance(type) is not Control view)
             return null;
 
         view.DataContext ??= viewModel;

DiscordChatExporter.Gui/Services/SettingsService.cs

@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Text.Json.Serialization;
 using Cogwheel;
 using CommunityToolkit.Mvvm.ComponentModel;
 using DiscordChatExporter.Core.Exporting;
@@ -8,57 +9,126 @@ using DiscordChatExporter.Gui.Models;
 
 namespace DiscordChatExporter.Gui.Services;
 
+// Can't use [ObservableProperty] here because System.Text.Json's source generator doesn't see
+// the generated properties.
 [INotifyPropertyChanged]
 public partial class SettingsService()
-    : SettingsBase(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Settings.dat"))
+    : SettingsBase(
+        Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Settings.dat"),
+        SerializerContext.Default
+    )
 {
-    [ObservableProperty]
     private bool _isUkraineSupportMessageEnabled = true;
+    public bool IsUkraineSupportMessageEnabled
+    {
+        get => _isUkraineSupportMessageEnabled;
+        set => SetProperty(ref _isUkraineSupportMessageEnabled, value);
+    }
 
-    [ObservableProperty]
     private ThemeVariant _theme;
+    public ThemeVariant Theme
+    {
+        get => _theme;
+        set => SetProperty(ref _theme, value);
+    }
 
-    [ObservableProperty]
     private bool _isAutoUpdateEnabled = true;
+    public bool IsAutoUpdateEnabled
+    {
+        get => _isAutoUpdateEnabled;
+        set => SetProperty(ref _isAutoUpdateEnabled, value);
+    }
 
-    [ObservableProperty]
     private bool _isTokenPersisted = true;
+    public bool IsTokenPersisted
+    {
+        get => _isTokenPersisted;
+        set => SetProperty(ref _isTokenPersisted, value);
+    }
 
-    [ObservableProperty]
     private ThreadInclusionMode _threadInclusionMode;
+    public ThreadInclusionMode ThreadInclusionMode
+    {
+        get => _threadInclusionMode;
+        set => SetProperty(ref _threadInclusionMode, value);
+    }
 
-    [ObservableProperty]
     private string? _locale;
+    public string? Locale
+    {
+        get => _locale;
+        set => SetProperty(ref _locale, value);
+    }
 
-    [ObservableProperty]
     private bool _isUtcNormalizationEnabled;
+    public bool IsUtcNormalizationEnabled
+    {
+        get => _isUtcNormalizationEnabled;
+        set => SetProperty(ref _isUtcNormalizationEnabled, value);
+    }
 
-    [ObservableProperty]
     private int _parallelLimit = 1;
+    public int ParallelLimit
+    {
+        get => _parallelLimit;
+        set => SetProperty(ref _parallelLimit, value);
+    }
 
-    [ObservableProperty]
     private string? _lastToken;
+    public string? LastToken
+    {
+        get => _lastToken;
+        set => SetProperty(ref _lastToken, value);
+    }
 
-    [ObservableProperty]
     private ExportFormat _lastExportFormat = ExportFormat.HtmlDark;
+    public ExportFormat LastExportFormat
+    {
+        get => _lastExportFormat;
+        set => SetProperty(ref _lastExportFormat, value);
+    }
 
-    [ObservableProperty]
     private string? _lastPartitionLimitValue;
+    public string? LastPartitionLimitValue
+    {
+        get => _lastPartitionLimitValue;
+        set => SetProperty(ref _lastPartitionLimitValue, value);
+    }
 
-    [ObservableProperty]
     private string? _lastMessageFilterValue;
+    public string? LastMessageFilterValue
+    {
+        get => _lastMessageFilterValue;
+        set => SetProperty(ref _lastMessageFilterValue, value);
+    }
 
-    [ObservableProperty]
     private bool _lastShouldFormatMarkdown = true;
+    public bool LastShouldFormatMarkdown
+    {
+        get => _lastShouldFormatMarkdown;
+        set => SetProperty(ref _lastShouldFormatMarkdown, value);
+    }
 
-    [ObservableProperty]
     private bool _lastShouldDownloadAssets;
+    public bool LastShouldDownloadAssets
+    {
+        get => _lastShouldDownloadAssets;
+        set => SetProperty(ref _lastShouldDownloadAssets, value);
+    }
 
-    [ObservableProperty]
     private bool _lastShouldReuseAssets;
+    public bool LastShouldReuseAssets
+    {
+        get => _lastShouldReuseAssets;
+        set => SetProperty(ref _lastShouldReuseAssets, value);
+    }
 
-    [ObservableProperty]
     private string? _lastAssetsDirPath;
+    public string? LastAssetsDirPath
+    {
+        get => _lastAssetsDirPath;
+        set => SetProperty(ref _lastAssetsDirPath, value);
+    }
 
     public override void Save()
     {
@@ -72,3 +142,9 @@ public partial class SettingsService()
         LastToken = lastToken;
     }
 }
+
+public partial class SettingsService
+{
+    [JsonSerializable(typeof(SettingsService))]
+    private partial class SerializerContext : JsonSerializerContext;
+}

DiscordChatExporter.Gui/Services/UpdateService.cs

@@ -9,18 +9,20 @@ namespace DiscordChatExporter.Gui.Services;
 
 public class UpdateService(SettingsService settingsService) : IDisposable
 {
-    private readonly IUpdateManager _updateManager = new UpdateManager(
+    private readonly IUpdateManager? _updateManager = OperatingSystem.IsWindows()
-        new GithubPackageResolver(
+        ? new UpdateManager(
-            "Tyrrrz",
+            new GithubPackageResolver(
-            "DiscordChatExporter",
+                "Tyrrrz",
-            // Examples:
+                "DiscordChatExporter",
-            // DiscordChatExporter.win-arm64.zip
+                // Examples:
-            // DiscordChatExporter.win-x64.zip
+                // DiscordChatExporter.win-arm64.zip
-            // DiscordChatExporter.linux-x64.zip
+                // DiscordChatExporter.win-x64.zip
-            $"DiscordChatExporter.{RuntimeInformation.RuntimeIdentifier}.zip"
+                // DiscordChatExporter.linux-x64.zip
-        ),
+                $"DiscordChatExporter.{RuntimeInformation.RuntimeIdentifier}.zip"
-        new ZipPackageExtractor()
+            ),
-    );
+            new ZipPackageExtractor()
+        )
+        : null;
 
     private Version? _updateVersion;
     private bool _updatePrepared;
@@ -28,6 +30,9 @@ public class UpdateService(SettingsService settingsService) : IDisposable
 
     public async ValueTask<Version?> CheckForUpdatesAsync()
     {
+        if (_updateManager is null)
+            return null;
+
         if (!settingsService.IsAutoUpdateEnabled)
             return null;
 
@@ -37,6 +42,9 @@ public class UpdateService(SettingsService settingsService) : IDisposable
 
     public async ValueTask PrepareUpdateAsync(Version version)
     {
+        if (_updateManager is null)
+            return;
+
         if (!settingsService.IsAutoUpdateEnabled)
             return;
 
@@ -57,11 +65,10 @@ public class UpdateService(SettingsService settingsService) : IDisposable
 
     public void FinalizeUpdate(bool needRestart)
     {
-        if (!settingsService.IsAutoUpdateEnabled)
+        if (_updateManager is null)
             return;
 
-        // Onova only works on Windows currently
+        if (!settingsService.IsAutoUpdateEnabled)
-        if (!OperatingSystem.IsWindows())
             return;
 
         if (_updateVersion is null || !_updatePrepared || _updaterLaunched)
@@ -82,5 +89,5 @@ public class UpdateService(SettingsService settingsService) : IDisposable
         }
     }
 
-    public void Dispose() => _updateManager.Dispose();
+    public void Dispose() => _updateManager?.Dispose();
 }

DiscordChatExporter.Gui/Views/Components/DashboardView.axaml

@@ -9,11 +9,8 @@
     xmlns:materialIcons="clr-namespace:Material.Icons.Avalonia;assembly=Material.Icons.Avalonia"
     xmlns:materialStyles="clr-namespace:Material.Styles.Controls;assembly=Material.Styles"
     x:Name="UserControl"
+    x:DataType="components:DashboardViewModel"
     Loaded="UserControl_OnLoaded">
-    <Design.DataContext>
-        <components:DashboardViewModel />
-    </Design.DataContext>
-
     <DockPanel>
         <!--  Header  -->
         <StackPanel
@@ -95,126 +92,6 @@
                     </Style>
                 </Style>
             </Panel.Styles>
-            <!--  Placeholder / usage instructions  -->
-            <Panel IsVisible="{Binding !AvailableGuilds.Count}">
-                <ScrollViewer HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto">
-                    <TextBlock
-                        Margin="32,16"
-                        FontSize="14"
-                        FontWeight="Light"
-                        LineHeight="23">
-                        <!--  User token  -->
-                        <InlineUIContainer>
-                            <materialIcons:MaterialIcon
-                                Width="18"
-                                Height="18"
-                                Margin="0,-2,0,0"
-                                Foreground="{DynamicResource PrimaryHueMidBrush}"
-                                Kind="Account" />
-                        </InlineUIContainer>
-                        <Run Text="" />
-                        <Run
-                            FontSize="16"
-                            FontWeight="SemiBold"
-                            Text="To get the token for your personal account:" />
-                        <LineBreak />
-
-                        <Run Text="*  Automating user accounts is technically against TOS —" />
-                        <Run FontWeight="SemiBold" Text="use at your own risk" /><Run Text="!" />
-                        <LineBreak />
-
-                        <Run Text="1. Open Discord in your" />
-                        <controls:HyperLink Command="{Binding OpenDiscordCommand}" Text="web browser" />
-                        <Run Text="and login" />
-                        <LineBreak />
-
-                        <Run Text="2. Open any server or direct message channel" />
-                        <LineBreak />
-
-                        <Run Text="3. Press" />
-                        <Run FontWeight="SemiBold" Text="Ctrl+Shift+I" />
-                        <Run Text="to show developer tools" />
-                        <LineBreak />
-
-                        <Run Text="4. Navigate to the" />
-                        <Run FontWeight="SemiBold" Text="Network" />
-                        <Run Text="tab" />
-                        <LineBreak />
-
-                        <Run Text="5. Press" />
-                        <Run FontWeight="SemiBold" Text="Ctrl+R" />
-                        <Run Text="to reload" />
-                        <LineBreak />
-
-                        <Run Text="6. Switch between random channels to trigger network requests" />
-                        <LineBreak />
-
-                        <Run Text="7. Search for a request that starts with" />
-                        <Run FontWeight="SemiBold" Text="messages" />
-                        <LineBreak />
-
-                        <Run Text="8. Select the" />
-                        <Run FontWeight="SemiBold" Text="Headers" />
-                        <Run Text="tab on the right" />
-                        <LineBreak />
-
-                        <Run Text="9. Scroll down to the" />
-                        <Run FontWeight="SemiBold" Text="Request Headers" />
-                        <Run Text="section" />
-                        <LineBreak />
-
-                        <Run Text="10. Copy the value of the" />
-                        <Run FontWeight="SemiBold" Text="authorization" />
-                        <Run Text="header" />
-                        <LineBreak />
-                        <LineBreak />
-
-                        <!--  Bot token  -->
-                        <InlineUIContainer>
-                            <materialIcons:MaterialIcon
-                                Width="18"
-                                Height="18"
-                                Margin="0,-2,0,0"
-                                Foreground="{DynamicResource PrimaryHueMidBrush}"
-                                Kind="Robot" />
-                        </InlineUIContainer>
-                        <Run Text="" />
-                        <Run
-                            FontSize="16"
-                            FontWeight="SemiBold"
-                            Text="To get the token for your bot:" />
-                        <LineBreak />
-
-                        <Run Text="1. Open Discord" />
-                        <controls:HyperLink Command="{Binding OpenDiscordDeveloperPortalCommand}" Text="developer portal" />
-                        <LineBreak />
-
-                        <Run Text="2. Open your application's settings" />
-                        <LineBreak />
-
-                        <Run Text="3. Navigate to the" />
-                        <Run FontWeight="SemiBold" Text="Bot" />
-                        <Run Text="section on the left" />
-                        <LineBreak />
-
-                        <Run Text="4. Under" />
-                        <Run FontWeight="SemiBold" Text="Token" />
-                        <Run Text="click" />
-                        <Run FontWeight="SemiBold" Text="Copy" />
-                        <LineBreak />
-
-                        <Run Text="*  Your bot needs to have the" />
-                        <Run FontWeight="SemiBold" Text="Message Content Intent" />
-                        <Run Text="enabled to read messages" />
-                        <LineBreak />
-                        <LineBreak />
-
-                        <Run Text="If you have questions or issues, please refer to the" />
-                        <controls:HyperLink Command="{Binding ShowHelpCommand}" Text="documentation" />
-                    </TextBlock>
-                </ScrollViewer>
-            </Panel>
-
             <!--  Guilds and channels  -->
             <Grid ColumnDefinitions="Auto,*" IsVisible="{Binding !!AvailableGuilds.Count}">
                 <!--  Guilds  -->
@@ -339,6 +216,126 @@
                 </Border>
             </Grid>
 
+            <!--  Placeholder / usage instructions  -->
+            <Panel IsVisible="{Binding !AvailableGuilds.Count}">
+                <ScrollViewer HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto">
+                    <TextBlock
+                        Margin="32,16"
+                        FontSize="14"
+                        FontWeight="Light"
+                        LineHeight="23">
+                        <!--  User token  -->
+                        <InlineUIContainer>
+                            <materialIcons:MaterialIcon
+                                Width="18"
+                                Height="18"
+                                Margin="0,-2,0,0"
+                                Foreground="{DynamicResource PrimaryHueMidBrush}"
+                                Kind="Account" />
+                        </InlineUIContainer>
+                        <Run Text="" />
+                        <Run
+                            FontSize="16"
+                            FontWeight="SemiBold"
+                            Text="To get the token for your personal account:" />
+                        <LineBreak />
+
+                        <Run Text="*  Automating user accounts is technically against TOS —" />
+                        <Run FontWeight="SemiBold" Text="use at your own risk" /><Run Text="!" />
+                        <LineBreak />
+
+                        <Run Text="1. Open Discord in your" />
+                        <controls:HyperLink Command="{Binding OpenDiscordCommand}" Text="web browser" />
+                        <Run Text="and login" />
+                        <LineBreak />
+
+                        <Run Text="2. Open any server or direct message channel" />
+                        <LineBreak />
+
+                        <Run Text="3. Press" />
+                        <Run FontWeight="SemiBold" Text="Ctrl+Shift+I" />
+                        <Run Text="to show developer tools" />
+                        <LineBreak />
+
+                        <Run Text="4. Navigate to the" />
+                        <Run FontWeight="SemiBold" Text="Network" />
+                        <Run Text="tab" />
+                        <LineBreak />
+
+                        <Run Text="5. Press" />
+                        <Run FontWeight="SemiBold" Text="Ctrl+R" />
+                        <Run Text="to reload" />
+                        <LineBreak />
+
+                        <Run Text="6. Switch between random channels to trigger network requests" />
+                        <LineBreak />
+
+                        <Run Text="7. Search for a request that starts with" />
+                        <Run FontWeight="SemiBold" Text="messages" />
+                        <LineBreak />
+
+                        <Run Text="8. Select the" />
+                        <Run FontWeight="SemiBold" Text="Headers" />
+                        <Run Text="tab on the right" />
+                        <LineBreak />
+
+                        <Run Text="9. Scroll down to the" />
+                        <Run FontWeight="SemiBold" Text="Request Headers" />
+                        <Run Text="section" />
+                        <LineBreak />
+
+                        <Run Text="10. Copy the value of the" />
+                        <Run FontWeight="SemiBold" Text="authorization" />
+                        <Run Text="header" />
+                        <LineBreak />
+                        <LineBreak />
+
+                        <!--  Bot token  -->
+                        <InlineUIContainer>
+                            <materialIcons:MaterialIcon
+                                Width="18"
+                                Height="18"
+                                Margin="0,-2,0,0"
+                                Foreground="{DynamicResource PrimaryHueMidBrush}"
+                                Kind="Robot" />
+                        </InlineUIContainer>
+                        <Run Text="" />
+                        <Run
+                            FontSize="16"
+                            FontWeight="SemiBold"
+                            Text="To get the token for your bot:" />
+                        <LineBreak />
+
+                        <Run Text="1. Open Discord" />
+                        <controls:HyperLink Command="{Binding OpenDiscordDeveloperPortalCommand}" Text="developer portal" />
+                        <LineBreak />
+
+                        <Run Text="2. Open your application's settings" />
+                        <LineBreak />
+
+                        <Run Text="3. Navigate to the" />
+                        <Run FontWeight="SemiBold" Text="Bot" />
+                        <Run Text="section on the left" />
+                        <LineBreak />
+
+                        <Run Text="4. Under" />
+                        <Run FontWeight="SemiBold" Text="Token" />
+                        <Run Text="click" />
+                        <Run FontWeight="SemiBold" Text="Copy" />
+                        <LineBreak />
+
+                        <Run Text="*  Your bot needs to have the" />
+                        <Run FontWeight="SemiBold" Text="Message Content Intent" />
+                        <Run Text="enabled to read messages" />
+                        <LineBreak />
+                        <LineBreak />
+
+                        <Run Text="If you have questions or issues, please refer to the" />
+                        <controls:HyperLink Command="{Binding ShowHelpCommand}" Text="documentation" />
+                    </TextBlock>
+                </ScrollViewer>
+            </Panel>
+
             <!--  Export button  -->
             <Button
                 Width="56"

DiscordChatExporter.Gui/Views/Controls/HyperLink.axaml

@@ -1,13 +1,14 @@
 <UserControl
     x:Class="DiscordChatExporter.Gui.Views.Controls.HyperLink"
     xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:controls="clr-namespace:DiscordChatExporter.Gui.Views.Controls">
     <TextBlock
         x:Name="TextBlock"
         Cursor="Hand"
         Foreground="{DynamicResource MaterialSecondaryDarkBrush}"
         PointerReleased="TextBlock_OnPointerReleased"
-        Text="{Binding $parent[UserControl].Text, Mode=OneWay}">
+        Text="{Binding $parent[controls:HyperLink].Text, Mode=OneWay}">
         <TextBlock.Styles>
             <Style Selector="TextBlock">
                 <Style Selector="^:pointerover">

DiscordChatExporter.Gui/Views/Dialogs/ExportSetupView.axaml

@@ -10,11 +10,8 @@
     xmlns:utils="clr-namespace:DiscordChatExporter.Gui.Utils"
     x:Name="UserControl"
     Width="380"
+    x:DataType="dialogs:ExportSetupViewModel"
     Loaded="UserControl_OnLoaded">
-    <Design.DataContext>
-        <dialogs:ExportSetupViewModel />
-    </Design.DataContext>
-
     <Grid RowDefinitions="Auto,*,Auto">
         <!--  Guild/channel info  -->
         <Grid
@@ -40,7 +37,7 @@
                 FontWeight="Light"
                 IsVisible="{Binding !IsSingleChannel}"
                 TextTrimming="CharacterEllipsis">
-                <Run Text="{Binding Channels.Count, Mode=OneWay}" />
+                <Run Text="{Binding Channels.Count, FallbackValue=0, Mode=OneWay}" />
                 <Run Text="channels selected" />
             </TextBlock>
 

DiscordChatExporter.Gui/Views/Dialogs/MessageBoxView.axaml

@@ -4,11 +4,8 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:dialogs="clr-namespace:DiscordChatExporter.Gui.ViewModels.Dialogs"
     xmlns:system="clr-namespace:System;assembly=System.Runtime"
-    Width="500">
+    Width="500"
-    <Design.DataContext>
+    x:DataType="dialogs:MessageBoxViewModel">
-        <dialogs:MessageBoxViewModel />
-    </Design.DataContext>
-
     <Grid RowDefinitions="Auto,*,Auto">
         <!--  Title  -->
         <TextBlock

DiscordChatExporter.Gui/Views/Dialogs/SettingsView.axaml

@@ -4,11 +4,8 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:converters="clr-namespace:DiscordChatExporter.Gui.Converters"
     xmlns:dialogs="clr-namespace:DiscordChatExporter.Gui.ViewModels.Dialogs"
-    Width="380">
+    Width="380"
-    <Design.DataContext>
+    x:DataType="dialogs:SettingsViewModel">
-        <dialogs:SettingsViewModel />
-    </Design.DataContext>
-
     <Grid RowDefinitions="Auto,*,Auto">
         <TextBlock
             Grid.Row="0"

DiscordChatExporter.Gui/Views/MainView.axaml

@@ -10,13 +10,10 @@
     Height="625"
     MinWidth="600"
     MinHeight="400"
+    x:DataType="viewModels:MainViewModel"
     Icon="/favicon.ico"
     RenderOptions.BitmapInterpolationMode="HighQuality"
     WindowStartupLocation="CenterScreen">
-    <Design.DataContext>
-        <viewModels:MainViewModel />
-    </Design.DataContext>
-
     <dialogHostAvalonia:DialogHost
         x:Name="DialogHost"
         CloseOnClickAway="False"