Add fast-path to getting just the SeriesPresentationUniqueKey for NextUp (#13687)

* Add more optimized query to calculate series that should be processed for next up

* Filter series based on last watched date

1 files changed, 9 insertions, 0 deletions

diff --git a/MediaBrowser.Controller/Library/ILibraryManager.cs b/MediaBrowser.Controller/Library/ILibraryManager.cs
index 47b1cb16e..03a28fd8c 100644
--- a/MediaBrowser.Controller/Library/ILibraryManager.cs
+++ b/MediaBrowser.Controller/Library/ILibraryManager.cs
@@ -566,6 +566,15 @@ namespace MediaBrowser.Controller.Library
         IReadOnlyList<BaseItem> GetItemList(InternalItemsQuery query, List<BaseItem> parents);
 
         /// <summary>
+        /// Gets the list of series presentation keys for next up.
+        /// </summary>
+        /// <param name="query">The query to use.</param>
+        /// <param name="parents">Items to use for query.</param>
+        /// <param name="dateCutoff">The minimum date for a series to have been most recently watched.</param>
+        /// <returns>List of series presentation keys.</returns>
+        IReadOnlyList<string> GetNextUpSeriesKeys(InternalItemsQuery query, IReadOnlyCollection<BaseItem> parents, DateTime dateCutoff);
+
+        /// <summary>
         /// Gets the items result.
         /// </summary>
         /// <param name="query">The query.</param>