Merge pull request #17571 from obiwantoby/perf/batch-people-dto

Batch people lookups when building item DTOs

2 files changed, 14 insertions, 0 deletions

diff --git a/MediaBrowser.Controller/Library/ILibraryManager.cs b/MediaBrowser.Controller/Library/ILibraryManager.cs
index 6d85a1e401..5eae6e103f 100644
--- a/MediaBrowser.Controller/Library/ILibraryManager.cs
+++ b/MediaBrowser.Controller/Library/ILibraryManager.cs
@@ -606,6 +606,13 @@ namespace MediaBrowser.Controller.Library
         IReadOnlyDictionary<Guid, IReadOnlyList<string>> GetPeopleNamesByItems(IReadOnlyList<Guid> itemIds, IReadOnlyList<string> personTypes);
 
         /// <summary>
+        /// Gets the people for multiple items in a single query, keyed by item id.
+        /// </summary>
+        /// <param name="itemIds">The item IDs.</param>
+        /// <returns>A dictionary mapping each item ID to its people. Items with no people are omitted.</returns>
+        IReadOnlyDictionary<Guid, IReadOnlyList<PersonInfo>> GetPeopleByItems(IReadOnlyList<Guid> itemIds);
+
+        /// <summary>
         /// Queries the items.
         /// </summary>
         /// <param name="query">The query.</param>
diff --git a/MediaBrowser.Controller/Persistence/IPeopleRepository.cs b/MediaBrowser.Controller/Persistence/IPeopleRepository.cs
index e2833dc722..9811241d31 100644
--- a/MediaBrowser.Controller/Persistence/IPeopleRepository.cs
+++ b/MediaBrowser.Controller/Persistence/IPeopleRepository.cs
@@ -40,4 +40,11 @@ public interface IPeopleRepository
     /// <param name="personTypes">The person types to include (e.g. "Actor", "Director").</param>
     /// <returns>A dictionary mapping each item ID to its distinct people names, ordered by cast list order. Items with no matching people are omitted.</returns>
     IReadOnlyDictionary<Guid, IReadOnlyList<string>> GetPeopleNamesByItems(IReadOnlyList<Guid> itemIds, IReadOnlyList<string> personTypes);
+
+    /// <summary>
+    /// Gets the people for multiple items in a single query, keyed by item id.
+    /// </summary>
+    /// <param name="itemIds">The item IDs to get people for.</param>
+    /// <returns>A dictionary mapping each item ID to its people (with role, type and sort order), ordered by cast list order. Items with no people are omitted.</returns>
+    IReadOnlyDictionary<Guid, IReadOnlyList<PersonInfo>> GetPeopleByItems(IReadOnlyList<Guid> itemIds);
 }