From b188071931a15ec4db8eb96fe1e24d98f4e48068 Mon Sep 17 00:00:00 2001
From: Shadowghost <Shadowghost@users.noreply.github.com>
Date: Tue, 15 Sep 2026 11:15:53 -0400
Subject: Backport pull request #17898 from jellyfin/release-12.z

Populate missing tags array in Filters2

Original-merge: 3d52fbe84e78d6447465bb831039dabb6142ca67

Merged-by: crobibero <cody@robibe.ro>

Backported-by: Cody Robibero <cody@robibe.ro>
---
 MediaBrowser.Controller/Library/ILibraryManager.cs     | 7 +++++++
 MediaBrowser.Controller/Persistence/IItemRepository.cs | 7 +++++++
 2 files changed, 14 insertions(+)

(limited to 'MediaBrowser.Controller')

diff --git a/MediaBrowser.Controller/Library/ILibraryManager.cs b/MediaBrowser.Controller/Library/ILibraryManager.cs
index ac6df54949..82de3546f0 100644
--- a/MediaBrowser.Controller/Library/ILibraryManager.cs
+++ b/MediaBrowser.Controller/Library/ILibraryManager.cs
@@ -832,6 +832,13 @@ namespace MediaBrowser.Controller.Library
         /// <returns>Aggregated filter values.</returns>
         QueryFiltersLegacy GetQueryFiltersLegacy(InternalItemsQuery query);
 
+        /// <summary>
+        /// Gets a list of all distinct tags of the matching items.
+        /// </summary>
+        /// <param name="query">The query filter.</param>
+        /// <returns>List of tags.</returns>
+        IReadOnlyList<string> GetTagNames(InternalItemsQuery query);
+
         /// <summary>
         /// Gets a list of all language codes of the provided stream type.
         /// </summary>
diff --git a/MediaBrowser.Controller/Persistence/IItemRepository.cs b/MediaBrowser.Controller/Persistence/IItemRepository.cs
index d44fe57bed..3cf06b897c 100644
--- a/MediaBrowser.Controller/Persistence/IItemRepository.cs
+++ b/MediaBrowser.Controller/Persistence/IItemRepository.cs
@@ -128,6 +128,13 @@ public interface IItemRepository
     /// <returns>List of language codes.</returns>
     public IReadOnlyList<string> GetMediaStreamLanguages(InternalItemsQuery filter, MediaStreamType mediaStreamType);
 
+    /// <summary>
+    /// Gets all distinct tags of the matching base items.
+    /// </summary>
+    /// <param name="filter">The query filter.</param>
+    /// <returns>The list of tags.</returns>
+    IReadOnlyList<string> GetTagNames(InternalItemsQuery filter);
+
     /// <summary>
     /// Gets all artist names.
     /// </summary>
-- 
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