GUI: double-clicking a child-less server auto-opens export setup

Co-authored-by: Tyrrrz <1935960+Tyrrrz@users.noreply.github.com>

DiscordChatExporter.Core/Discord/Data/MessageReference.cs

@@ -9,7 +9,8 @@ public record MessageReference(
     MessageReferenceKind Kind,
     Snowflake? MessageId,
     Snowflake? ChannelId,
-    Snowflake? GuildId)
+    Snowflake? GuildId
+)
 {
     public static MessageReference Parse(JsonElement json)
     {

DiscordChatExporter.Core/Discord/Data/MessageSnapshot.cs

@@ -15,7 +15,8 @@ public record MessageSnapshot(
     string Content,
     IReadOnlyList<Attachment> Attachments,
     IReadOnlyList<Embed> Embeds,
-    IReadOnlyList<Sticker> Stickers)
+    IReadOnlyList<Sticker> Stickers
+)
 {
     public static MessageSnapshot Parse(JsonElement json)
     {
@@ -23,37 +24,35 @@ public record MessageSnapshot(
             json.GetPropertyOrNull("timestamp")?.GetDateTimeOffsetOrNull()
             ?? DateTimeOffset.MinValue;
 
-        var editedTimestamp = json
+        var editedTimestamp = json.GetPropertyOrNull("edited_timestamp")?.GetDateTimeOffsetOrNull();
-            .GetPropertyOrNull("edited_timestamp")
-            ?.GetDateTimeOffsetOrNull();
 
         var content = json.GetPropertyOrNull("content")?.GetStringOrNull() ?? "";
 
         var attachments =
-            json
+            json.GetPropertyOrNull("attachments")
-                .GetPropertyOrNull("attachments")
                 ?.EnumerateArrayOrNull()
                 ?.Select(Attachment.Parse)
                 .ToArray()
             ?? [];
 
         var embeds =
-            json
+            json.GetPropertyOrNull("embeds")?.EnumerateArrayOrNull()?.Select(Embed.Parse).ToArray()
-                .GetPropertyOrNull("embeds")
-                ?.EnumerateArrayOrNull()
-                ?.Select(Embed.Parse)
-                .ToArray()
             ?? [];
 
         var stickers =
-            json
+            json.GetPropertyOrNull("sticker_items")
-                .GetPropertyOrNull("sticker_items")
                 ?.EnumerateArrayOrNull()
                 ?.Select(Sticker.Parse)
                 .ToArray()
             ?? [];
 
-        return new MessageSnapshot(timestamp,
+        return new MessageSnapshot(
-            editedTimestamp, content, attachments, embeds, stickers);
+            timestamp,
+            editedTimestamp,
+            content,
+            attachments,
+            embeds,
+            stickers
+        );
     }
 }

DiscordChatExporter.Core/Exporting/JsonMessageWriter.cs

@@ -553,7 +553,7 @@ internal class JsonMessageWriter(Stream stream, ExportContext context)
 
             _writer.WriteString(
                 "timestamp",
-                    Context.NormalizeDate(message.ForwardedMessage.Timestamp)
+                Context.NormalizeDate(message.ForwardedMessage.Timestamp)
             );
 
             _writer.WriteString(

DiscordChatExporter.Core/Exporting/PlainTextMessageWriter.cs

@@ -239,9 +239,9 @@ internal class PlainTextMessageWriter(Stream stream, ExportContext context)
             );
         }
 
-            await _writer.WriteLineAsync(
+        await _writer.WriteLineAsync(
-                $"Originally sent: {Context.FormatDate(forwardedMessage.Timestamp)}"
+            $"Originally sent: {Context.FormatDate(forwardedMessage.Timestamp)}"
-            );
+        );
 
         await WriteAttachmentsAsync(forwardedMessage.Attachments, cancellationToken);
         await WriteEmbedsAsync(forwardedMessage.Embeds, cancellationToken);

DiscordChatExporter.Gui/ViewModels/Components/DashboardViewModel.cs

@@ -223,6 +223,54 @@ public partial class DashboardViewModel : ViewModelBase
         }
     }
 
+    [RelayCommand]
+    private async Task ShowSetupIfSingleChannelAsync()
+    {
+        // Wait for any in-progress channel loading to complete
+        if (IsBusy)
+        {
+            var tcs = new TaskCompletionSource();
+
+            void Handler(object? _, System.ComponentModel.PropertyChangedEventArgs e)
+            {
+                if (e.PropertyName == nameof(IsBusy) && !IsBusy)
+                    tcs.TrySetResult();
+            }
+
+            PropertyChanged += Handler;
+
+            // Re-check after subscribing to avoid missing the transition
+            if (!IsBusy)
+            {
+                PropertyChanged -= Handler;
+            }
+            else
+            {
+                try
+                {
+                    await tcs.Task;
+                }
+                finally
+                {
+                    PropertyChanged -= Handler;
+                }
+            }
+        }
+
+        // Only auto-export when there is exactly one child-less (non-category) channel
+        if (
+            AvailableChannels is not { Count: 1 }
+            || AvailableChannels[0].Children.Count != 0
+            || AvailableChannels[0].Channel.IsCategory
+        )
+            return;
+
+        SelectedChannels.Clear();
+        SelectedChannels.Add(AvailableChannels[0]);
+
+        await ExportAsync();
+    }
+
     private bool CanExport() =>
         !IsBusy && _discord is not null && SelectedGuild is not null && SelectedChannels.Any();
 

DiscordChatExporter.Gui/Views/Components/DashboardView.axaml

@@ -99,6 +99,7 @@
                     BorderThickness="0,0,1,0"
                     Grid.Column="0">
                     <ListBox
+                        DoubleTapped="AvailableGuildsListBox_OnDoubleTapped"
                         ItemsSource="{Binding AvailableGuilds}"
                         ScrollViewer.VerticalScrollBarVisibility="Hidden"
                         SelectedItem="{Binding SelectedGuild}"

DiscordChatExporter.Gui/Views/Components/DashboardView.axaml.cs

@@ -1,5 +1,6 @@
 using System.Linq;
 using Avalonia.Controls;
+using Avalonia.Input;
 using Avalonia.Interactivity;
 using DiscordChatExporter.Core.Discord.Data;
 using DiscordChatExporter.Gui.Framework;
@@ -22,6 +23,9 @@ public partial class DashboardView : UserControl<DashboardViewModel>
         SelectionChangedEventArgs args
     ) => DataContext.PullChannelsCommand.Execute(null);
 
+    private void AvailableGuildsListBox_OnDoubleTapped(object? sender, TappedEventArgs args) =>
+        DataContext.ShowSetupIfSingleChannelCommand.Execute(null);
+
     private void AvailableChannelsTreeView_OnSelectionChanged(
         object? sender,
         SelectionChangedEventArgs args