feat: check for updates

Author: DerStimmler

CrossLaunch/Features/GitHub/GitHubRelease.cs

@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace CrossLaunch.Features.GitHub;
+
+public record GitHubRelease
+{
+  [JsonPropertyName("tag_name")]
+  public required string TagName { get; init; }
+}

CrossLaunch/Features/GitHub/GitHubService.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Net.Http;
+using System.Net.Http.Json;
+using System.Threading.Tasks;
+using CrossLaunch.Utils;
+using Serilog;
+
+namespace CrossLaunch.Features.GitHub;
+
+public class GitHubService
+{
+  private readonly HttpClient _http;
+
+  public GitHubService()
+  {
+    _http = new HttpClient { BaseAddress = new Uri("https://api.github.com") };
+
+    _http.DefaultRequestHeaders.UserAgent.ParseAdd("Mozilla/5.0");
+  }
+
+  public async Task<string?> GetLatestReleaseVersion(string owner, string repo)
+  {
+    try
+    {
+      var response = await _http.GetAsync($"repos/{owner}/{repo}/releases/latest");
+
+      if (!response.IsSuccessStatusCode)
+        return null;
+
+      var release = await response.Content.ReadFromJsonAsync<GitHubRelease>(
+        CustomJsonSerializerContext.Default.GitHubRelease
+      );
+
+      return release?.TagName.Replace("v", string.Empty);
+    }
+    catch (Exception e)
+    {
+      Log.Error(e, "Latest release version of {Owner}/{Repo} could not be fetched", owner, repo);
+      return null;
+    }
+  }
+}

CrossLaunch/GameSelection.axaml.cs

@@ -35,7 +35,7 @@ public GameSelection()
 
     _gameService = new GameService();
 
-    Foo();
+    Load();
   }
 
   public bool IsGameRunning
@@ -56,7 +56,7 @@ public ObservableCollection<GameItemVm> Items
     set => SetValue(ItemsProperty, value);
   }
 
-  private async void Foo()
+  private async void Load()
   {
     var games = await _gameService.GetGames();
 

CrossLaunch/MainWindow.axaml

@@ -10,7 +10,8 @@
         WindowState="Maximized"
         TransparencyLevelHint="AcrylicBlur"
         Background="Transparent"
-        ExtendClientAreaToDecorationsHint="True">
+        ExtendClientAreaToDecorationsHint="True"
+        x:DataType="crossLaunch:MainWindow">
   <Panel>
     <ExperimentalAcrylicBorder IsHitTestVisible="False">
       <ExperimentalAcrylicBorder.Material>
@@ -21,14 +22,22 @@
           MaterialOpacity="0.65" />
       </ExperimentalAcrylicBorder.Material>
     </ExperimentalAcrylicBorder>
-    <Grid RowDefinitions="Auto,*" Margin="40,50,40,40">
-      <StackPanel Grid.Row="0" Orientation="Horizontal" Margin="20,0,20,20" VerticalAlignment="Center">
+    <Grid RowDefinitions="Auto,*,Auto" Margin="40,50,40,40">
+      <StackPanel Grid.Row="0" Margin="20,0,20,20" VerticalAlignment="Center" Orientation="Horizontal">
         <Image Source="Assets/Images/CrossLaunch-Logo7_80x80.png" Width="80" Height="80" />
         <TextBlock FontWeight="Bold" FontSize="36" TextAlignment="Center" Padding="20" Foreground="White">
           CrossLaunch
         </TextBlock>
       </StackPanel>
       <crossLaunch:GameSelection Grid.Row="1" IsHitTestVisible="True" />
+      <Grid Grid.Row="2" ColumnDefinitions="*,*" Margin="20,0,20,0" VerticalAlignment="Bottom">
+        <TextBlock Grid.Column="0" Text="{Binding CurrentVersion}" VerticalAlignment="Bottom" Foreground="LightGray"
+                   FontSize="18" HorizontalAlignment="Left" />
+        <HyperlinkButton Grid.Column="1" IsVisible="{Binding IsUpdateAvailable}"
+                         Content="{Binding LatestVersion, StringFormat= 'Update available: \{0\}'}"
+                         NavigateUri="https://github.com/DerStimmler/CrossLaunch/releases/latest"
+                         HorizontalAlignment="Right" VerticalAlignment="Bottom" Foreground="LightGray" FontSize="18" />
+      </Grid>
     </Grid>
   </Panel>
 </Window>

CrossLaunch/MainWindow.axaml.cs

@@ -1,11 +1,72 @@
+using System;
+using System.Reflection;
+using Avalonia;
 using Avalonia.Controls;
+using CrossLaunch.Features.GitHub;
 
 namespace CrossLaunch;
 
 public partial class MainWindow : Window
 {
+  private readonly GitHubService _gitHubService;
+
   public MainWindow()
   {
     InitializeComponent();
+    DataContext = this;
+
+    _gitHubService = new GitHubService();
+
+    Load();
+  }
+
+  private async void Load()
+  {
+    var currentVersion = Assembly.GetExecutingAssembly().GetName().Version?.ToString() ?? string.Empty;
+    currentVersion = currentVersion[..currentVersion.LastIndexOf('.')];
+    CurrentVersion = $"v{currentVersion}";
+
+    var latestVersion = await _gitHubService.GetLatestReleaseVersion("DerStimmler", "CrossLaunch");
+
+    if (latestVersion is null)
+    {
+      IsUpdateAvailable = false;
+      return;
+    }
+
+    LatestVersion = $"v{latestVersion}";
+
+    if (latestVersion != currentVersion)
+      IsUpdateAvailable = true;
+  }
+
+  public static readonly StyledProperty<bool> IsUpdateAvailableProperty = AvaloniaProperty.Register<MainWindow, bool>(
+    nameof(IsUpdateAvailable)
+  );
+
+  public bool IsUpdateAvailable
+  {
+    get => GetValue(IsUpdateAvailableProperty);
+    set => SetValue(IsUpdateAvailableProperty, value);
+  }
+
+  public static readonly StyledProperty<string> CurrentVersionProperty = AvaloniaProperty.Register<MainWindow, string>(
+    nameof(CurrentVersion)
+  );
+
+  public string CurrentVersion
+  {
+    get => GetValue(CurrentVersionProperty);
+    set => SetValue(CurrentVersionProperty, value);
+  }
+
+  public static readonly StyledProperty<string> LatestVersionProperty = AvaloniaProperty.Register<MainWindow, string>(
+    nameof(LatestVersion)
+  );
+
+  public string LatestVersion
+  {
+    get => GetValue(LatestVersionProperty);
+    set => SetValue(LatestVersionProperty, value);
   }
 }

CrossLaunch/Utils/CustomJsonSerializerContext.cs

@@ -1,11 +1,13 @@
 using System.Collections.Generic;
 using System.Text.Json.Serialization;
 using CrossLaunch.Features.Epic;
+using CrossLaunch.Features.GitHub;
 
 namespace CrossLaunch.Utils;
 
 [JsonSourceGenerationOptions(WriteIndented = true)]
 [JsonSerializable(typeof(EgDataItem))]
+[JsonSerializable(typeof(GitHubRelease))]
 [JsonSerializable(typeof(EpicManifest))]
 [JsonSerializable(typeof(List<EgDataItem>))]
 public partial class CustomJsonSerializerContext : JsonSerializerContext { }