Release v44.0

Closes #165

app/Desktop/Common/SystemUtils.cs

@@ -0,0 +1,9 @@
+using System.Diagnostics;
+
+namespace DHT.Desktop.Common;
+
+static class SystemUtils {
+	public static void OpenUrl(string url) {
+		Process.Start(new ProcessStartInfo(url) { UseShellExecute = true });
+	}
+}

app/Desktop/Main/AboutWindowModel.cs

@@ -1,45 +1,41 @@
-using System.Diagnostics;
+using DHT.Desktop.Common;
 
 namespace DHT.Desktop.Main;
 
 sealed class AboutWindowModel {
 	public void ShowOfficialWebsite() {
-		OpenUrl("https://dht.chylex.com");
+		SystemUtils.OpenUrl(Program.Website);
 	}
 
 	public void ShowIssueTracker() {
-		OpenUrl("https://github.com/chylex/Discord-History-Tracker/issues");
+		SystemUtils.OpenUrl("https://github.com/chylex/Discord-History-Tracker/issues");
 	}
 	
 	public void ShowSourceCode() {
-		OpenUrl("https://github.com/chylex/Discord-History-Tracker");
+		SystemUtils.OpenUrl("https://github.com/chylex/Discord-History-Tracker");
 	}
 
 	public void ShowLibraryNetCore() {
-		OpenUrl("https://github.com/dotnet/core");
+		SystemUtils.OpenUrl("https://github.com/dotnet/core");
 	}
 
 	public void ShowLibraryAvalonia() {
-		OpenUrl("https://www.nuget.org/packages/Avalonia");
+		SystemUtils.OpenUrl("https://www.nuget.org/packages/Avalonia");
 	}
 
 	public void ShowLibraryCommunityToolkit() {
-		OpenUrl("https://github.com/CommunityToolkit/dotnet");
+		SystemUtils.OpenUrl("https://github.com/CommunityToolkit/dotnet");
 	}
 
 	public void ShowLibrarySqlite() {
-		OpenUrl("https://www.sqlite.org");
+		SystemUtils.OpenUrl("https://www.sqlite.org");
 	}
 
 	public void ShowLibrarySqliteAdoNet() {
-		OpenUrl("https://www.nuget.org/packages/Microsoft.Data.Sqlite");
+		SystemUtils.OpenUrl("https://www.nuget.org/packages/Microsoft.Data.Sqlite");
 	}
 
 	public void ShowLibraryRxNet() {
-		OpenUrl("https://github.com/dotnet/reactive");
+		SystemUtils.OpenUrl("https://github.com/dotnet/reactive");
-	}
-
-	private static void OpenUrl(string url) {
-		Process.Start(new ProcessStartInfo { FileName = url, UseShellExecute = true });
 	}
 }

app/Desktop/Main/Pages/ViewerPageModel.cs

@@ -1,6 +1,5 @@
 using System;
 using System.ComponentModel;
-using System.Diagnostics;
 using System.Threading.Tasks;
 using System.Web;
 using Avalonia.Controls;
@@ -52,10 +51,7 @@ sealed partial class ViewerPageModel : ObservableObject, IDisposable {
 			string serverUrl = "http://127.0.0.1:" + ServerConfiguration.Port;
 			string serverToken = ServerConfiguration.Token;
 			string sessionId = state.ViewerSessions.Register(new ViewerSession(FilterModel.CreateFilter())).ToString();
-			
+			SystemUtils.OpenUrl(serverUrl + "/viewer/?token=" + HttpUtility.UrlEncode(serverToken) + "&session=" + HttpUtility.UrlEncode(sessionId));
-			Process.Start(new ProcessStartInfo(serverUrl + "/viewer/?token=" + HttpUtility.UrlEncode(serverToken) + "&session=" + HttpUtility.UrlEncode(sessionId)) {
-				UseShellExecute = true
-			});
 		} catch (Exception e) {
 			await Dialog.ShowOk(window, "Open Viewer", "Could not open viewer: " + e.Message);
 		}

app/Desktop/Main/Screens/WelcomeScreen.axaml

@@ -22,20 +22,21 @@
             <Setter Property="HorizontalAlignment" Value="Center" />
             <Setter Property="VerticalAlignment" Value="Center" />
         </Style>
-        <Style Selector="Button">
+        <Style Selector="Grid#ButtonPanel > Button">
-            <Setter Property="Margin" Value="5 0" />
+            <Setter Property="HorizontalAlignment" Value="Stretch" />
         </Style>
     </UserControl.Styles>
 
     <Panel Name="RootPanel">
-        <StackPanel Margin="42">
+        <StackPanel Margin="42 30">
-            <TextBlock Text="{Binding Version, StringFormat=Discord History Tracker v{0}}" FontSize="25" Margin="0 0 0 30" HorizontalAlignment="Center" />
+            <TextBlock Text="{Binding Version, StringFormat=Discord History Tracker v{0}}" FontSize="25" Margin="0 0 0 25" HorizontalAlignment="Center" />
-
+            
-            <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
+            <Grid Name="ButtonPanel" RowDefinitions="Auto,12,Auto,12,Auto" ColumnDefinitions="*,12,*" Margin="12 0" HorizontalAlignment="Stretch">
-                <Button Command="{Binding OpenOrCreateDatabase}" IsEnabled="{Binding IsOpenOrCreateDatabaseButtonEnabled}">Open or Create Database</Button>
+                <Button Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="3" Command="{Binding OpenOrCreateDatabase}" IsEnabled="{Binding IsOpenOrCreateDatabaseButtonEnabled}">Open or Create Database</Button>
-                <Button Command="{Binding ShowAboutDialog}">About</Button>
+                <Button Grid.Row="2" Grid.Column="0" Grid.ColumnSpan="3" Command="{Binding CheckUpdates}">Check For Updates</Button>
-                <Button Command="{Binding Exit}">Exit</Button>
+                <Button Grid.Row="4" Grid.Column="0" Command="{Binding ShowAboutDialog}">About</Button>
-            </StackPanel>
+                <Button Grid.Row="4" Grid.Column="2" Command="{Binding Exit}">Exit</Button>
+            </Grid>
         </StackPanel>
     </Panel>
 </UserControl>

app/Desktop/Main/Screens/WelcomeScreenModel.cs

@@ -1,6 +1,8 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Net;
+using System.Net.Http;
 using System.Threading.Tasks;
 using Avalonia.Controls;
 using CommunityToolkit.Mvvm.ComponentModel;
@@ -10,17 +12,20 @@ using DHT.Desktop.Dialogs.Progress;
 using DHT.Server.Data.Settings;
 using DHT.Server.Database;
 using DHT.Server.Database.Sqlite.Schema;
+using DHT.Utils.Logging;
 
 namespace DHT.Desktop.Main.Screens;
 
 sealed partial class WelcomeScreenModel : ObservableObject {
+	private static readonly Log Log = Log.ForType<WelcomeScreenModel>();
+
 	public string Version => Program.Version;
-	
+
 	[ObservableProperty(Setter = Access.Private)]
 	private bool isOpenOrCreateDatabaseButtonEnabled = true;
-	
+
-	public event EventHandler<IDatabaseFile>? DatabaseSelected; 
+	public event EventHandler<IDatabaseFile>? DatabaseSelected;
-	
+
 	private readonly Window window;
 
 	private string? dbFilePath;
@@ -46,28 +51,22 @@ sealed partial class WelcomeScreenModel : ObservableObject {
 
 	public async Task OpenOrCreateDatabaseFromPath(string path) {
 		dbFilePath = path;
-		
+
 		bool isNew = !File.Exists(path);
-		
+
 		var db = await DatabaseGui.TryOpenOrCreateDatabaseFromPath(path, window, new SchemaUpgradeCallbacks(window));
 		if (db == null) {
 			return;
 		}
-		
+
 		if (isNew && await Dialog.ShowYesNo(window, "Automatic Downloads", "Do you want to automatically download files hosted on Discord? You can change this later in the Downloads tab.") == DialogResult.YesNo.Yes) {
 			await db.Settings.Set(SettingsKey.DownloadsAutoStart, true);
 		}
-		
+
 		DatabaseSelected?.Invoke(this, db);
 	}
 
-	private sealed class SchemaUpgradeCallbacks : ISchemaUpgradeCallbacks {
+	private sealed class SchemaUpgradeCallbacks(Window window) : ISchemaUpgradeCallbacks {
-		private readonly Window window;
-		
-		public SchemaUpgradeCallbacks(Window window) {
-			this.window = window;
-		}
-
 		public async Task<bool> CanUpgrade() {
 			return DialogResult.YesNo.Yes == await DatabaseGui.ShowCanUpgradeDatabaseDialog(window);
 		}
@@ -80,20 +79,12 @@ sealed partial class WelcomeScreenModel : ObservableObject {
 				await doUpgrade(reporter);
 				await Task.Delay(TimeSpan.FromMilliseconds(600));
 			}
-			
+
 			await new ProgressDialog { DataContext = new ProgressDialogModel("Upgrading Database", StartUpgrade, progressItems: 3) }.ShowProgressDialog(window);
 		}
 
-		private sealed class ProgressReporter : ISchemaUpgradeCallbacks.IProgressReporter {
+		private sealed class ProgressReporter(int versionSteps, IReadOnlyList<IProgressCallback> callbacks) : ISchemaUpgradeCallbacks.IProgressReporter {
-			private readonly IReadOnlyList<IProgressCallback> callbacks;
-			
-			private readonly int versionSteps;
 			private int versionProgress = 0;
-			
-			public ProgressReporter(int versionSteps, IReadOnlyList<IProgressCallback> callbacks) {
-				this.callbacks = callbacks;
-				this.versionSteps = versionSteps;
-			}
 
 			public async Task NextVersion() {
 				await callbacks[0].Update("Upgrading schema version...", versionProgress++, versionSteps);
@@ -118,6 +109,53 @@ sealed partial class WelcomeScreenModel : ObservableObject {
 		}
 	}
 
+	public async Task CheckUpdates() {
+		Version? latestVersion = await ProgressDialog.ShowIndeterminate<Version?>(window, "Check Updates", "Checking for updates...", async _ => {
+			var client = new HttpClient(new SocketsHttpHandler {
+				AutomaticDecompression = DecompressionMethods.None,
+				AllowAutoRedirect = false,
+				UseCookies = false
+			});
+
+			client.Timeout = TimeSpan.FromSeconds(30);
+			client.MaxResponseContentBufferSize = 1024;
+			client.DefaultRequestHeaders.UserAgent.ParseAdd("DiscordHistoryTracker/" + Program.Version);
+
+			string response;
+			try {
+				response = await client.GetStringAsync(Program.Website + "/version");
+			} catch (TaskCanceledException e) when (e.InnerException is TimeoutException) {
+				await Dialog.ShowOk(window, "Check Updates", "Request timed out.");
+				return null;
+			} catch (Exception e) {
+				Log.Error(e);
+				await Dialog.ShowOk(window, "Check Updates", "Error checking for updates: " + e.Message);
+				return null;
+			}
+
+			if (!System.Version.TryParse(response, out var latestVersion)) {
+				await Dialog.ShowOk(window, "Check Updates", "Server returned an invalid response.");
+				return null;
+			}
+
+			return latestVersion;
+		});
+
+		if (latestVersion == null) {
+			return;
+		}
+		
+		if (Program.AssemblyVersion >= latestVersion) {
+			await Dialog.ShowOk(window, "Check Updates", "You are using the latest version.");
+			return;
+		}
+		
+		if (await Dialog.ShowYesNo(window, "Check Updates", "A newer version is available: v" + Program.VersionToString(latestVersion) + "\nVisit the official website and close the app?") == DialogResult.YesNo.Yes) {
+			SystemUtils.OpenUrl(Program.Website);
+			Exit();
+		}
+	}
+
 	public async Task ShowAboutDialog() {
 		await new AboutWindow { DataContext = new AboutWindowModel() }.ShowDialog(window);
 	}

app/Desktop/Program.cs

@@ -9,17 +9,18 @@ namespace DHT.Desktop;
 
 static class Program {
 	public static string Version { get; }
+	public static Version AssemblyVersion { get; }
 	public static CultureInfo Culture { get; }
 	public static ResourceLoader Resources { get; }
 	public static Arguments Arguments { get; }
 
+	public const string Website = "https://dht.chylex.com";
+	
 	static Program() {
 		var assembly = Assembly.GetExecutingAssembly();
 
-		Version = assembly.GetName().Version?.ToString() ?? "";
+		AssemblyVersion = assembly.GetName().Version ?? new Version(0, 0, 0, 0);
-		while (Version.EndsWith(".0")) {
+		Version = VersionToString(AssemblyVersion);
-			Version = Version[..^2];
-		}
 
 		Culture = CultureInfo.CurrentCulture;
 		CultureInfo.CurrentCulture = CultureInfo.InvariantCulture;
@@ -30,6 +31,16 @@ static class Program {
 		Resources = new ResourceLoader(assembly);
 		Arguments = new Arguments(Environment.GetCommandLineArgs());
 	}
+	
+	public static string VersionToString(Version version) {
+		string versionStr = version.ToString();
+		
+		while (versionStr.EndsWith(".0")) {
+			versionStr = versionStr[..^2];
+		}
+		
+		return versionStr;
+	}
 
 	public static void Main(string[] args) {
 		if (Arguments.Console && OperatingSystem.IsWindows()) {

app/Resources/Tracker/scripts/discord.js

@@ -117,24 +117,25 @@ class DISCORD {
 		}
 	}
 	
+	static getMessagesFromSelectedChannel() {
+		const channelId = this.#getCurrentlySelectedChannelId();
+		return channelId ? this.#getMessages(channelId) : null;
+	}
+	
 	/**
 	 * Calls the provided function with a list of messages whenever the currently loaded messages change.
+	 * @param callback {function(server: ?DiscordGuild, channel: DiscordChannel, messages: Array<DiscordMessage>, hasMoreBefore: boolean)}
 	 */
 	static setupMessageCallback(callback) {
 		const previousMessages = new Set();
 		
 		const onMessageElementsChanged = force => {
-			const channelId = this.#getCurrentlySelectedChannelId();
+			const messages = this.getMessagesFromSelectedChannel();
-			if (!channelId) {
-				return false;
-			}
-			
-			const messages = this.#getMessages(channelId);
 			if (!messages || !messages.ready || messages.loadingMore) {
 				return false;
 			}
 			
-			const channel = this.#channelStore.getChannel(channelId);
+			const channel = this.#channelStore.getChannel(messages.channelId);
 			if (!channel) {
 				return false;
 			}

app/Resources/Tracker/scripts/state.js

@@ -286,7 +286,7 @@ const STATE = (function() {
 				}
 				
 				if (msg.reactions.length > 0) {
-					obj.reactions = msg.reactions.map(reaction => {
+					obj.reactions = msg.reactions.filter(reaction => reaction.count > 0).map(reaction => {
 						const emoji = reaction.emoji;
 						
 						const mapped = {

app/Resources/Tracker/scripts/types.js

@@ -73,6 +73,7 @@
 /**
  * @name MessageData
  * @type {Object}
+ * @property {String} channelId
  * @property {Boolean} ready
  * @property {Boolean} loadingMore
  * @property {Boolean} hasMoreAfter

app/Version.cs

@@ -8,5 +8,5 @@ using DHT.Utils;
 namespace DHT.Utils;
 
 static class Version {
-	public const string Tag = "43.1.0.0";
+	public const string Tag = "44.0.0.0";
 }