Add interface to obtain versioning info

Dalamud/Plugin/DalamudPluginInterface.cs

@@ -16,18 +16,15 @@ using Dalamud.Game.Text;
 using Dalamud.Game.Text.Sanitizer;
 using Dalamud.Interface;
 using Dalamud.Interface.Internal;
-using Dalamud.Interface.Internal.Windows.PluginInstaller;
-using Dalamud.Interface.Internal.Windows.SelfTest;
-using Dalamud.Interface.Internal.Windows.Settings;
 using Dalamud.IoC.Internal;
 using Dalamud.Plugin.Internal;
 using Dalamud.Plugin.Internal.AutoUpdate;
 using Dalamud.Plugin.Internal.Types;
 using Dalamud.Plugin.Internal.Types.Manifest;
 using Dalamud.Plugin.Ipc;
-using Dalamud.Plugin.Ipc.Exceptions;
 using Dalamud.Plugin.Ipc.Internal;
-using Dalamud.Plugin.Services;
+using Dalamud.Plugin.VersionInfo;
+using Dalamud.Utility;
 
 using Serilog;
 
@@ -204,11 +201,7 @@ internal sealed class DalamudPluginInterface : IDalamudPluginInterface, IDisposa
         return true;
     }
 
-    /// <summary>
-    /// Gets the plugin the given assembly is part of.
-    /// </summary>
-    /// <param name="assembly">The assembly to check.</param>
-    /// <returns>The plugin the given assembly is part of, or null if this is a shared assembly or if this information cannot be determined.</returns>
+    /// <inheritdoc/>
     public IExposedPlugin? GetPlugin(Assembly assembly)
         => AssemblyLoadContext.GetLoadContext(assembly) switch
         {
@@ -216,11 +209,7 @@ internal sealed class DalamudPluginInterface : IDalamudPluginInterface, IDisposa
             var context => this.GetPlugin(context),
         };
 
-    /// <summary>
-    /// Gets the plugin that loads in the given context.
-    /// </summary>
-    /// <param name="context">The context to check.</param>
-    /// <returns>The plugin that loads in the given context, or null if this isn't a plugin's context or if this information cannot be determined.</returns>
+    /// <inheritdoc/>
     public IExposedPlugin? GetPlugin(AssemblyLoadContext context)
         => Service<PluginManager>.Get().InstalledPlugins.FirstOrDefault(p => p.LoadsIn(context)) switch
         {
@@ -228,6 +217,12 @@ internal sealed class DalamudPluginInterface : IDalamudPluginInterface, IDisposa
             var p => new ExposedPlugin(p),
         };
 
+    /// <inheritdoc/>
+    public IDalamudVersionInfo GetDalamudVersion()
+    {
+        return new DalamudVersionInfo(Versioning.GetAssemblyVersionParsed(), Versioning.GetActiveTrack());
+    }
+
     #region IPC
 
     /// <inheritdoc/>

Dalamud/Plugin/IDalamudPluginInterface.cs

@@ -15,7 +15,7 @@ using Dalamud.Plugin.Internal.Types.Manifest;
 using Dalamud.Plugin.Ipc;
 using Dalamud.Plugin.Ipc.Exceptions;
 using Dalamud.Plugin.Ipc.Internal;
-using Dalamud.Plugin.Services;
+using Dalamud.Plugin.VersionInfo;
 
 namespace Dalamud.Plugin;
 
@@ -194,6 +194,12 @@ public interface IDalamudPluginInterface : IServiceProvider
     /// <returns>The plugin that loads in the given context, or null if this isn't a plugin's context or if this information cannot be determined.</returns>
     IExposedPlugin? GetPlugin(AssemblyLoadContext context);
 
+    /// <summary>
+    /// Gets information about the version of Dalamud this plugin is loaded into.
+    /// </summary>
+    /// <returns>Class containing version information.</returns>
+    IDalamudVersionInfo GetDalamudVersion();
+
     /// <inheritdoc cref="DataShare.GetOrCreateData{T}"/>
     T GetOrCreateData<T>(string tag, Func<T> dataGenerator) where T : class;
 

Dalamud/Plugin/VersionInfo/DalamudVersionInfo.cs

@@ -0,0 +1,11 @@
+namespace Dalamud.Plugin.VersionInfo;
+
+/// <inheritdoc />
+internal class DalamudVersionInfo(Version version, string? track) : IDalamudVersionInfo
+{
+    /// <inheritdoc/>
+    public Version Version { get; } = version;
+
+    /// <inheritdoc/>
+    public string? BetaTrack { get; } = track;
+}

Dalamud/Plugin/VersionInfo/IDalamudVersionInfo.cs

@@ -0,0 +1,19 @@
+namespace Dalamud.Plugin.VersionInfo;
+
+/// <summary>
+/// Interface exposing various information related to Dalamud versioning.
+/// </summary>
+public interface IDalamudVersionInfo
+{
+    /// <summary>
+    /// Gets the Dalamud version.
+    /// </summary>
+    Version Version { get; }
+
+    /// <summary>
+    /// Gets the currently used beta track.
+    /// Please don't tell users to switch branches. They have it bad enough, fix your things instead.
+    /// Null if this build wasn't launched from XIVLauncher.
+    /// </summary>
+    string? BetaTrack { get; }
+}