Merge pull request #16062 from Shadowghost/perf-rebased

Query Performance Improvements

1 files changed, 33 insertions, 0 deletions

diff --git a/MediaBrowser.Controller/Persistence/INextUpService.cs b/MediaBrowser.Controller/Persistence/INextUpService.cs
new file mode 100644
index 0000000000..ade026d0da
--- /dev/null
+++ b/MediaBrowser.Controller/Persistence/INextUpService.cs
@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using MediaBrowser.Controller.Entities;
+
+namespace MediaBrowser.Controller.Persistence;
+
+/// <summary>
+/// Provides next-up episode query operations.
+/// </summary>
+public interface INextUpService
+{
+    /// <summary>
+    /// Gets the list of series presentation keys for next up.
+    /// </summary>
+    /// <param name="filter">The query.</param>
+    /// <param name="dateCutoff">The minimum date for a series to have been most recently watched.</param>
+    /// <returns>The list of keys.</returns>
+    IReadOnlyList<string> GetNextUpSeriesKeys(InternalItemsQuery filter, DateTime dateCutoff);
+
+    /// <summary>
+    /// Gets next up episodes for multiple series in a single batched query.
+    /// </summary>
+    /// <param name="filter">The query filter.</param>
+    /// <param name="seriesKeys">The series presentation unique keys to query.</param>
+    /// <param name="includeSpecials">Whether to include specials.</param>
+    /// <param name="includeWatchedForRewatching">Whether to include watched episodes for rewatching mode.</param>
+    /// <returns>A dictionary mapping series key to batch result.</returns>
+    IReadOnlyDictionary<string, NextUpEpisodeBatchResult> GetNextUpEpisodesBatch(
+        InternalItemsQuery filter,
+        IReadOnlyList<string> seriesKeys,
+        bool includeSpecials,
+        bool includeWatchedForRewatching);
+}