From 4ebce3907062ade1937440628eebd665440b338d Mon Sep 17 00:00:00 2001
From: Shadowghost <Ghost_of_Stone@web.de>
Date: Sun, 3 May 2026 23:43:01 +0200
Subject: Implement Similarity providers

---
 .../SimilarItems/AudioSimilarItemsProvider.cs      | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Emby.Server.Implementations/Library/SimilarItems/AudioSimilarItemsProvider.cs

(limited to 'Emby.Server.Implementations/Library/SimilarItems/AudioSimilarItemsProvider.cs')

diff --git a/Emby.Server.Implementations/Library/SimilarItems/AudioSimilarItemsProvider.cs b/Emby.Server.Implementations/Library/SimilarItems/AudioSimilarItemsProvider.cs
new file mode 100644
index 0000000000..1cc670b8ee
--- /dev/null
+++ b/Emby.Server.Implementations/Library/SimilarItems/AudioSimilarItemsProvider.cs
@@ -0,0 +1,55 @@
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Jellyfin.Data.Enums;
+using Jellyfin.Database.Implementations.Enums;
+using MediaBrowser.Controller.Dto;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Configuration;
+
+namespace Emby.Server.Implementations.Library.SimilarItems;
+
+/// <summary>
+/// Provides similar items for audio tracks.
+/// </summary>
+public class AudioSimilarItemsProvider : ILocalSimilarItemsProvider<Audio>
+{
+    private readonly ILibraryManager _libraryManager;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="AudioSimilarItemsProvider"/> class.
+    /// </summary>
+    /// <param name="libraryManager">The library manager.</param>
+    public AudioSimilarItemsProvider(ILibraryManager libraryManager)
+    {
+        _libraryManager = libraryManager;
+    }
+
+    /// <inheritdoc/>
+    public string Name => "Local Genre/Tag";
+
+    /// <inheritdoc/>
+    public MetadataPluginType Type => MetadataPluginType.LocalSimilarityProvider;
+
+    /// <inheritdoc/>
+    public Task<IReadOnlyList<BaseItem>> GetSimilarItemsAsync(Audio item, SimilarItemsQuery query, CancellationToken cancellationToken)
+    {
+        var internalQuery = new InternalItemsQuery(query.User)
+        {
+            Genres = item.Genres,
+            Tags = item.Tags,
+            Limit = query.Limit,
+            DtoOptions = query.DtoOptions ?? new DtoOptions(),
+            ExcludeItemIds = [.. query.ExcludeItemIds],
+            ExcludeArtistIds = [.. query.ExcludeArtistIds],
+            IncludeItemTypes = [BaseItemKind.Audio],
+            EnableGroupByMetadataKey = false,
+            EnableTotalRecordCount = true,
+            OrderBy = [(ItemSortBy.Random, SortOrder.Ascending)]
+        };
+
+        return Task.FromResult(_libraryManager.GetItemList(internalQuery));
+    }
+}
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