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

Batch people lookups when building item DTOs

1 files changed, 7 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>