Release v46.0

app/Desktop/Main/AboutWindow.axaml

@@ -3,12 +3,12 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:main="clr-namespace:DHT.Desktop.Main"
-        mc:Ignorable="d" d:DesignWidth="480" d:DesignHeight="360"
+        mc:Ignorable="d" d:DesignWidth="510" d:DesignHeight="375"
         x:Class="DHT.Desktop.Main.AboutWindow"
         x:DataType="main:AboutWindowModel"
         Title="About Discord History Tracker"
         Icon="avares://DiscordHistoryTracker/Resources/icon.ico"
-        Width="480" Height="360" CanResize="False"
+        Width="510" Height="375" CanResize="False"
         WindowStartupLocation="CenterOwner">
 
     <Design.DataContext>
@@ -16,10 +16,6 @@
     </Design.DataContext>
 
     <Window.Styles>
-        <Style Selector="StackPanel">
-            <Setter Property="Orientation" Value="Horizontal" />
-            <Setter Property="Spacing" Value="5" />
-        </Style>
         <Style Selector="TextBlock">
             <Setter Property="TextWrapping" Value="Wrap" />
             <Setter Property="VerticalAlignment" Value="Center" />
@@ -33,44 +29,45 @@
 
     <StackPanel Orientation="Vertical" Margin="20" Spacing="12">
 
-        <TextBlock VerticalAlignment="Center">
-            Discord History Tracker was created by chylex and released under the MIT license.
-        </TextBlock>
+        <StackPanel Orientation="Vertical" Spacing="3">
+            <TextBlock TextWrapping="Wrap">Discord History Tracker was created by chylex.</TextBlock>
+            <TextBlock>It is available under the MIT license.</TextBlock>
+        </StackPanel>
 
-        <StackPanel>
+        <StackPanel Orientation="Horizontal" Spacing="8">
             <Button Command="{Binding ShowOfficialWebsite}">Official Website</Button>
             <Button Command="{Binding ShowIssueTracker}">Issue Tracker</Button>
             <Button Command="{Binding ShowSourceCode}">Source Code</Button>
         </StackPanel>
 
-        <Grid RowDefinitions="Auto,5,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto" ColumnDefinitions="175,125,*" Margin="0 10 0 0">
+        <Grid RowDefinitions="Auto,5,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto" ColumnDefinitions="*,115,95" Margin="0 10 0 0">
             <TextBlock Grid.Row="0" Grid.Column="0" FontWeight="Bold">Third-Party Software</TextBlock>
             <TextBlock Grid.Row="0" Grid.Column="1" FontWeight="Bold">License</TextBlock>
             <TextBlock Grid.Row="0" Grid.Column="2" FontWeight="Bold">Link</TextBlock>
 
-            <TextBlock Grid.Row="2" Grid.Column="0">.NET 8</TextBlock>
+            <TextBlock Grid.Row="2" Grid.Column="0">.NET</TextBlock>
             <TextBlock Grid.Row="2" Grid.Column="1">MIT</TextBlock>
             <Button Grid.Row="2" Grid.Column="2" Command="{Binding ShowLibraryNetCore}">GitHub</Button>
 
             <TextBlock Grid.Row="3" Grid.Column="0">Avalonia</TextBlock>
             <TextBlock Grid.Row="3" Grid.Column="1">MIT</TextBlock>
-            <Button Grid.Row="3" Grid.Column="2" Command="{Binding ShowLibraryAvalonia}">NuGet</Button>
+            <Button Grid.Row="3" Grid.Column="2" Command="{Binding ShowLibraryAvalonia}">GitHub</Button>
 
-            <TextBlock Grid.Row="4" Grid.Column="0">MVVM Toolkit</TextBlock>
+            <TextBlock Grid.Row="4" Grid.Column="0">Rx.NET</TextBlock>
             <TextBlock Grid.Row="4" Grid.Column="1">MIT</TextBlock>
-            <Button Grid.Row="4" Grid.Column="2" Command="{Binding ShowLibraryCommunityToolkit}">GitHub</Button>
+            <Button Grid.Row="4" Grid.Column="2" Command="{Binding ShowLibraryRxNet}">GitHub</Button>
 
             <TextBlock Grid.Row="5" Grid.Column="0">SQLite</TextBlock>
             <TextBlock Grid.Row="5" Grid.Column="1">Public Domain</TextBlock>
-            <Button Grid.Row="5" Grid.Column="2" Command="{Binding ShowLibrarySqlite}">Official Website</Button>
+            <Button Grid.Row="5" Grid.Column="2" Command="{Binding ShowLibrarySqlite}">Website</Button>
 
             <TextBlock Grid.Row="6" Grid.Column="0">Microsoft.Data.Sqlite</TextBlock>
             <TextBlock Grid.Row="6" Grid.Column="1">Apache-2.0</TextBlock>
             <Button Grid.Row="6" Grid.Column="2" Command="{Binding ShowLibrarySqliteAdoNet}">NuGet</Button>
 
-            <TextBlock Grid.Row="7" Grid.Column="0">Rx.NET</TextBlock>
+            <TextBlock Grid.Row="7" Grid.Column="0">PropertyChanged.SourceGenerator</TextBlock>
             <TextBlock Grid.Row="7" Grid.Column="1">MIT</TextBlock>
-            <Button Grid.Row="7" Grid.Column="2" Command="{Binding ShowLibraryRxNet}">GitHub</Button>
+            <Button Grid.Row="7" Grid.Column="2" Command="{Binding ShowLibraryPropertyChangedSourceGenerator}">GitHub</Button>
         </Grid>
 
     </StackPanel>

app/Desktop/Main/AboutWindowModel.cs

@@ -20,11 +20,11 @@ sealed class AboutWindowModel {
 	}
 	
 	public void ShowLibraryAvalonia() {
-		SystemUtils.OpenUrl("https://www.nuget.org/packages/Avalonia");
+		SystemUtils.OpenUrl("https://github.com/AvaloniaUI/Avalonia");
 	}
 	
-	public void ShowLibraryCommunityToolkit() {
-		SystemUtils.OpenUrl("https://github.com/CommunityToolkit/dotnet");
+	public void ShowLibraryPropertyChangedSourceGenerator() {
+		SystemUtils.OpenUrl("https://github.com/canton7/PropertyChanged.SourceGenerator");
 	}
 	
 	public void ShowLibrarySqlite() {

app/Desktop/Main/Pages/DownloadsPage.axaml

@@ -35,7 +35,7 @@
             <Button Command="{Binding OnClickToggleDownload}" Content="{Binding ToggleDownloadButtonText}" IsEnabled="{Binding IsToggleDownloadButtonEnabled}" />
             <Button Command="{Binding OnClickRetryFailed}" IsEnabled="{Binding IsRetryFailedOnDownloadsButtonEnabled}">Retry Failed</Button>
             <Button Command="{Binding OnClickDeleteOrphaned}">Delete Orphaned</Button>
-            <Button Command="{Binding OnClickExportAll}" IsEnabled="{Binding HasSuccessfulDownloads}">Export All</Button>
+            <Button Command="{Binding OnClickExportAll}" IsEnabled="{Binding HasSuccessfulDownloads}">Export All...</Button>
         </WrapPanel>
         <StackPanel Orientation="Vertical" Spacing="20" Margin="0 10 0 0">
             <controls:DownloadItemFilterPanel DataContext="{Binding FilterModel}" IsEnabled="{Binding !$parent[UserControl].((pages:DownloadsPageModel)DataContext).IsDownloading}" />

app/Directory.Build.props

@@ -21,12 +21,13 @@
   <PropertyGroup>
     <SuppressTrimAnalysisWarnings>false</SuppressTrimAnalysisWarnings>
     <PublishTrimmed>true</PublishTrimmed>
-    <TrimMode>partial</TrimMode>
+    <TrimMode>full</TrimMode>
     <EnableUnsafeBinaryFormatterSerialization>false</EnableUnsafeBinaryFormatterSerialization>
     <EnableUnsafeUTF7Encoding>false</EnableUnsafeUTF7Encoding>
     <EventSourceSupport>false</EventSourceSupport>
     <HttpActivityPropagationSupport>false</HttpActivityPropagationSupport>
     <JsonSerializerIsReflectionEnabledByDefault>false</JsonSerializerIsReflectionEnabledByDefault>
+    <XmlResolverIsNetworkingEnabledByDefault>false</XmlResolverIsNetworkingEnabledByDefault>
   </PropertyGroup>
   
   <PropertyGroup>

app/Server/Database/Export/SnowflakeJsonSerializer.cs

@@ -1,16 +1,20 @@
 using System;
+using System.Buffers.Text;
+using System.Diagnostics;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
 namespace DHT.Server.Database.Export;
 
 sealed class SnowflakeJsonSerializer : JsonConverter<Snowflake> {
+	private const int MaxUlongStringLength = 20;
+	
 	public override Snowflake Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) {
 		return new Snowflake(ulong.Parse(reader.GetString()!));
 	}
 	
 	public override void Write(Utf8JsonWriter writer, Snowflake value, JsonSerializerOptions options) {
-		writer.WriteStringValue(value.Id.ToString());
+		writer.WriteStringValue(Format(value, stackalloc byte[MaxUlongStringLength]));
 	}
 	
 	public override Snowflake ReadAsPropertyName(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) {
@@ -18,6 +22,14 @@ sealed class SnowflakeJsonSerializer : JsonConverter<Snowflake> {
 	}
 	
 	public override void WriteAsPropertyName(Utf8JsonWriter writer, Snowflake value, JsonSerializerOptions options) {
-		writer.WritePropertyName(value.Id.ToString());
+		writer.WritePropertyName(Format(value, stackalloc byte[MaxUlongStringLength]));
+	}
+	
+	private static ReadOnlySpan<byte> Format(Snowflake value, Span<byte> destination) {
+		if (!Utf8Formatter.TryFormat(value.Id, destination, out int bytesWritten)) {
+			Debug.Fail("Failed to format Snowflake value.");
+		}
+		
+		return destination[..bytesWritten];
 	}
 }

app/Server/Database/Export/ViewerJson.cs

@@ -30,7 +30,7 @@ static class ViewerJson {
 		public required string Name { get; init; }
 		
 		[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
-		public string? Parent { get; init; }
+		public Snowflake? Parent { get; init; }
 		
 		[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
 		public int? Position { get; init; }
@@ -55,7 +55,7 @@ static class ViewerJson {
 		public long? Te { get; init; }
 		
 		[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
-		public string? R { get; init; }
+		public Snowflake? R { get; init; }
 		
 		[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
 		public JsonMessageAttachment[]? A { get; init; }
@@ -80,7 +80,7 @@ static class ViewerJson {
 	
 	public sealed class JsonMessageReaction {
 		[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
-		public string? Id { get; init; }
+		public Snowflake? Id { get; init; }
 		
 		[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
 		public string? N { get; init; }

app/Server/Database/Export/ViewerJsonExport.cs

@@ -2,13 +2,15 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Runtime.CompilerServices;
 using System.Text.Json;
 using System.Threading;
+using System.Threading.Channels;
 using System.Threading.Tasks;
 using DHT.Server.Data;
 using DHT.Server.Data.Filters;
 using DHT.Utils.Logging;
+using Channel = System.Threading.Channels.Channel;
+using DiscordChannel = DHT.Server.Data.Channel;
 
 namespace DHT.Server.Database.Export;
 
@@ -18,12 +20,12 @@ static class ViewerJsonExport {
 	public static async Task GetMetadata(Stream stream, IDatabaseFile db, MessageFilter? filter = null, CancellationToken cancellationToken = default) {
 		Perf perf = Log.Start();
 		
-		var includedChannels = new List<Channel>();
+		var includedChannels = new List<DiscordChannel>();
 		var includedServerIds = new HashSet<ulong>();
 		
 		HashSet<ulong>? channelIdFilter = filter?.ChannelIds;
 		
-		await foreach (Channel channel in db.Channels.Get(cancellationToken)) {
+		await foreach (DiscordChannel channel in db.Channels.Get(cancellationToken)) {
 			if (channelIdFilter == null || channelIdFilter.Contains(channel.Id)) {
 				includedChannels.Add(channel);
 				includedServerIds.Add(channel.Server);
@@ -53,11 +55,30 @@ static class ViewerJsonExport {
 		
 		ReadOnlyMemory<byte> newLine = "\n"u8.ToArray();
 		
-		await foreach (ViewerJson.JsonMessage message in GenerateMessageList(db, filter, cancellationToken)) {
-			await JsonSerializer.SerializeAsync(stream, message, ViewerJsonMessageContext.Default.JsonMessage, cancellationToken);
+		Channel<Message> channel = Channel.CreateBounded<Message>(new BoundedChannelOptions(32) {
+			SingleWriter = true,
+			SingleReader = true,
+			AllowSynchronousContinuations = true,
+			FullMode = BoundedChannelFullMode.Wait,
+		});
+		
+		Task writerTask = Task.Run(async () => {
+			try {
+				await foreach (Message message in db.Messages.Get(filter, cancellationToken)) {
+					await channel.Writer.WriteAsync(message, cancellationToken);
+				}
+			} finally {
+				channel.Writer.Complete();
+			}
+		}, cancellationToken);
+		
+		await foreach (Message message in channel.Reader.ReadAllAsync(cancellationToken)) {
+			await JsonSerializer.SerializeAsync(stream, ToJsonMessage(message), ViewerJsonMessageContext.Default.JsonMessage, cancellationToken);
 			await stream.WriteAsync(newLine, cancellationToken);
 		}
 		
+		await writerTask;
+		
 		perf.Step("Generate and serialize messages to JSON");
 		perf.End();
 	}
@@ -93,14 +114,14 @@ static class ViewerJsonExport {
 		return servers;
 	}
 	
-	private static Dictionary<Snowflake, ViewerJson.JsonChannel> GenerateChannelList(List<Channel> includedChannels) {
+	private static Dictionary<Snowflake, ViewerJson.JsonChannel> GenerateChannelList(List<DiscordChannel> includedChannels) {
 		var channels = new Dictionary<Snowflake, ViewerJson.JsonChannel>();
 		
-		foreach (Channel channel in includedChannels) {
+		foreach (DiscordChannel channel in includedChannels) {
 			channels[channel.Id] = new ViewerJson.JsonChannel {
 				Server = channel.Server,
 				Name = channel.Name,
-				Parent = channel.ParentId?.ToString(),
+				Parent = channel.ParentId,
 				Position = channel.Position,
 				Topic = channel.Topic,
 				Nsfw = channel.Nsfw,
@@ -110,40 +131,38 @@ static class ViewerJsonExport {
 		return channels;
 	}
 	
-	private static async IAsyncEnumerable<ViewerJson.JsonMessage> GenerateMessageList(IDatabaseFile db, MessageFilter? filter, [EnumeratorCancellation] CancellationToken cancellationToken) {
-		await foreach (Message message in db.Messages.Get(filter, cancellationToken)) {
-			yield return new ViewerJson.JsonMessage {
-				Id = message.Id,
-				C = message.Channel,
-				U = message.Sender,
-				T = message.Timestamp,
-				M = string.IsNullOrEmpty(message.Text) ? null : message.Text,
-				Te = message.EditTimestamp,
-				R = message.RepliedToId?.ToString(),
+	private static ViewerJson.JsonMessage ToJsonMessage(Message message) {
+		return new ViewerJson.JsonMessage {
+			Id = message.Id,
+			C = message.Channel,
+			U = message.Sender,
+			T = message.Timestamp,
+			M = string.IsNullOrEmpty(message.Text) ? null : message.Text,
+			Te = message.EditTimestamp,
+			R = message.RepliedToId,
+			
+			A = message.Attachments.IsEmpty ? null : message.Attachments.Select(static attachment => {
+				var a = new ViewerJson.JsonMessageAttachment {
+					Url = attachment.DownloadUrl,
+					Name = Uri.TryCreate(attachment.NormalizedUrl, UriKind.Absolute, out Uri? uri) ? Path.GetFileName(uri.LocalPath) : attachment.NormalizedUrl,
+				};
 				
-				A = message.Attachments.IsEmpty ? null : message.Attachments.Select(static attachment => {
-					var a = new ViewerJson.JsonMessageAttachment {
-						Url = attachment.DownloadUrl,
-						Name = Uri.TryCreate(attachment.NormalizedUrl, UriKind.Absolute, out Uri? uri) ? Path.GetFileName(uri.LocalPath) : attachment.NormalizedUrl,
-					};
-					
-					if (attachment is { Width: not null, Height: not null }) {
-						a.Width = attachment.Width;
-						a.Height = attachment.Height;
-					}
-					
-					return a;
-				}).ToArray(),
+				if (attachment is { Width: not null, Height: not null }) {
+					a.Width = attachment.Width;
+					a.Height = attachment.Height;
+				}
 				
-				E = message.Embeds.IsEmpty ? null : message.Embeds.Select(static embed => embed.Json).ToArray(),
-				
-				Re = message.Reactions.IsEmpty ? null : message.Reactions.Select(static reaction => new ViewerJson.JsonMessageReaction {
-					Id = reaction.EmojiId?.ToString(),
-					N = reaction.EmojiName,
-					A = reaction.EmojiFlags.HasFlag(EmojiFlags.Animated),
-					C = reaction.Count,
-				}).ToArray(),
-			};
-		}
+				return a;
+			}).ToArray(),
+			
+			E = message.Embeds.IsEmpty ? null : message.Embeds.Select(static embed => embed.Json).ToArray(),
+			
+			Re = message.Reactions.IsEmpty ? null : message.Reactions.Select(static reaction => new ViewerJson.JsonMessageReaction {
+				Id = reaction.EmojiId,
+				N = reaction.EmojiName,
+				A = reaction.EmojiFlags.HasFlag(EmojiFlags.Animated),
+				C = reaction.Count,
+			}).ToArray(),
+		};
 	}
 }

app/Version.cs

@@ -8,5 +8,5 @@ using DHT.Utils;
 namespace DHT.Utils;
 
 static class Version {
-	public const string Tag = "45.0.0.0";
+	public const string Tag = "46.0.0.0";
 }