update

DiscordFoobarStatus.Client/DiscordClient.cs

@@ -0,0 +1,66 @@
+using System;
+using Discord;
+using DiscordFoobarStatus.Core.Models;
+using Microsoft.Extensions.Logging;
+
+namespace DiscordFoobarStatus.Client
+{
+    internal class DiscordClient : IDisposable, IDiscordClient
+    {
+        private readonly Discord.Discord _client;
+        private readonly ILogger<DiscordClient> _logger;
+
+        public DiscordClient(ILogger<DiscordClient> logger)
+        {
+            _client = new Discord.Discord(DiscordConstants.ClientId, (ulong)CreateFlags.NoRequireDiscord);
+            _logger = logger;
+        }
+
+        public void Dispose()
+        {
+            ((IDisposable)_client).Dispose();
+        }
+
+        public void RunCallbacks() => _client.RunCallbacks();
+
+        public void UpdateActivity(ActivitySetDto data)
+        {
+            var activity = new Activity()
+            {
+                State = data.State!,
+                Details = data.Details!
+            };
+
+            if (data.Thumbnail != null)
+            {
+                activity.Assets = new() { LargeImage = data.Thumbnail };
+                if (data.ThumbnailText != null)
+                    activity.Assets.LargeText = data.ThumbnailText;
+            }
+
+            if (data.StartTimestamp != null)
+                activity.Timestamps = new() { Start = data.StartTimestamp.Value };
+            else if (data.EndTimestamp != null)
+                activity.Timestamps = new() { End = data.EndTimestamp.Value };
+
+            _client.GetActivityManager().UpdateActivity(activity, x =>
+            {
+                if (x == Result.Ok)
+                    _logger.LogInformation("Updated activity to {Activity}", data);
+                else
+                    _logger.LogError("Failed to update activity with error {Error}", x);
+            });
+        }
+
+        public void ClearActivity()
+        {
+            _client.GetActivityManager().ClearActivity(x =>
+            {
+                if (x == Result.Ok)
+                    _logger.LogInformation("Cleared activity");
+                else
+                    _logger.LogError("Failed to clear activity with error {Error}", x);
+            });
+        }
+    }
+}

DiscordFoobarStatus.Client/DiscordConstants.cs

@@ -0,0 +1,7 @@
+namespace DiscordFoobarStatus.Client
+{
+    internal static class DiscordConstants
+    {
+        public const long ClientId = 962359979371802686;
+    }
+}

DiscordFoobarStatus.Client/DiscordFoobarStatus.Client.csproj

@@ -0,0 +1,33 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net5.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWindowsForms>true</UseWindowsForms>
+    <Platforms>x86</Platforms>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
+    <Optimize>False</Optimize>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x86'">
+    <Optimize>False</Optimize>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="6.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="6.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="6.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.EventSource" Version="6.0.0" />
+    <PackageReference Include="Serilog.Extensions.Hosting" Version="4.2.0" />
+    <PackageReference Include="Serilog.Sinks.RollingFile" Version="3.3.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\DiscordFoobarStatus.Core\DiscordFoobarStatus.Core.csproj" />
+    <ProjectReference Include="..\DiscordFoobarStatus.DiscordSdk\DiscordFoobarStatus.DiscordSdk.csproj" />
+  </ItemGroup>
+
+</Project>

DiscordFoobarStatus.Client/IDiscordClient.cs

@@ -0,0 +1,11 @@
+using DiscordFoobarStatus.Core.Models;
+
+namespace DiscordFoobarStatus.Client
+{
+    public interface IDiscordClient
+    {
+        void ClearActivity();
+        void RunCallbacks();
+        void UpdateActivity(ActivitySetDto data);
+    }
+}

DiscordFoobarStatus.Client/Music.cs

@@ -0,0 +1,89 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Text.Json;
+using System.Windows.Forms;
+using DiscordFoobarStatus.Core.Interop;
+using DiscordFoobarStatus.Core.Models;
+using Microsoft.Extensions.Logging;
+
+namespace DiscordFoobarStatus.Client
+{
+    public partial class Music : Form
+    {
+        private readonly IDiscordClient _discordClient;
+        private readonly ILogger<Music> _logger;
+
+        private readonly MessageIds _messageIds = new();
+
+        protected override bool ShowWithoutActivation => true;
+
+        public Music(IDiscordClient discordClient, ILogger<Music> logger)
+        {
+            _discordClient = discordClient;
+            _logger = logger;
+
+            InitializeComponent();
+
+            FormBorderStyle = FormBorderStyle.FixedToolWindow;
+            ShowInTaskbar = false;
+            StartPosition = FormStartPosition.Manual;
+            Location = new(-2000, -2000);
+            Size = new(1, 1);
+        }
+
+        protected override void WndProc(ref Message m)
+        {
+            try
+            {
+                if (m.Msg == User32.WM_COPYDATA)
+                    HandleCopyData(ref m);
+                else if (m.Msg == _messageIds.Shutdown)
+                    HandleShutdown();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Failed to handle message {MessageType}", m.Msg);
+            }
+
+            base.WndProc(ref m);
+        }
+
+        private void HandleCopyData(ref Message m)
+        {
+            var copyData = Marshal.PtrToStructure<CopyData>(m.LParam);
+            var raw = copyData.AsUnicodeString;
+            if (raw == null)
+                throw new ArgumentException("Missing payload", nameof(m));
+
+            if (copyData.dwData == (IntPtr)_messageIds.UpdateActivity)
+            {
+                _logger.LogInformation("Received UpdateActivity message");
+                var dto = JsonSerializer.Deserialize<ActivitySetDto>(raw) ?? throw new JsonException("Null payload");
+                _discordClient.UpdateActivity(dto);
+            }
+            else
+            {
+                throw new ArgumentOutOfRangeException(nameof(m), copyData.dwData, "Unknown message type");
+            }
+        }
+
+        private void HandleShutdown()
+        {
+            _logger.LogInformation("Received Shutdown message");
+            _discordClient.ClearActivity();
+            Close();
+        }
+
+        private void CallbackLoopTimer_Tick(object sender, EventArgs e)
+        {
+            try
+            {
+                _discordClient.RunCallbacks();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Failed to run Discord callbacks");
+            }
+        }
+    }
+}

DiscordFoobarStatus.Client/Music.resx

@@ -0,0 +1,66 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <metadata name="CallbackLoopTimer.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+  <metadata name="$this.TrayHeight" type="System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>139</value>
+  </metadata>
+</root>

DiscordFoobarStatus.Client/Program.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Reflection;
+using System.Windows.Forms;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Serilog;
+using Serilog.Events;
+
+namespace DiscordFoobarStatus.Client
+{
+    internal class Program
+    {
+        /// <summary>
+        ///  The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        public static void Main()
+        {
+            using var host = CreateHostBuilder().Build();
+            var logger = host.Services.GetRequiredService<ILoggerFactory>().CreateLogger<Program>();
+            try
+            {
+                logger.LogInformation("Starting process {ProcessId}", Process.GetCurrentProcess().Id);
+
+                Application.SetHighDpiMode(HighDpiMode.SystemAware);
+                Application.EnableVisualStyles();
+                Application.SetCompatibleTextRenderingDefault(false);
+                Application.Run(host.Services.GetRequiredService<Music>());
+
+                logger.LogInformation("Shutting down process {ProcessId}", Process.GetCurrentProcess().Id);
+            }
+            catch (Exception ex)
+            {
+                logger.LogError(ex, "Fatal error");
+                throw;
+            }
+        }
+
+        private static IHostBuilder CreateHostBuilder()
+        {
+            return Host.CreateDefaultBuilder()
+                .ConfigureServices(services => services.AddClientServices())
+                .UseSerilog((_, config) =>
+                {
+                    config.WriteTo.RollingFile(
+                        "logs/log-{Date}.txt",
+                        LogEventLevel.Information,
+                        fileSizeLimitBytes: 1024 * 1024 * 10,
+                        retainedFileCountLimit: 3);
+                });
+        }
+    }
+}