diff options
Diffstat (limited to 'Jellyfin.Server.Implementations/Item/NextUpService.cs')
| -rw-r--r-- | Jellyfin.Server.Implementations/Item/NextUpService.cs | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/Jellyfin.Server.Implementations/Item/NextUpService.cs b/Jellyfin.Server.Implementations/Item/NextUpService.cs index 725b4cfaac..f478daef23 100644 --- a/Jellyfin.Server.Implementations/Item/NextUpService.cs +++ b/Jellyfin.Server.Implementations/Item/NextUpService.cs @@ -98,7 +98,7 @@ public class NextUpService : INextUpService .Where(e => e.UserData!.Any(ud => ud.UserId == userId && ud.Played)); lastWatchedBase = _queryHelpers.ApplyAccessFiltering(context, lastWatchedBase, filter); - // Use lightweight projection + client-side grouping to avoid correlated scalar subquery + // Use lightweight projection + client-side dedup to avoid the correlated scalar subquery // per group that EF generates for GroupBy+OrderByDescending+FirstOrDefault. var allPlayedLite = lastWatchedBase .Select(e => new @@ -110,15 +110,11 @@ public class NextUpService : INextUpService }) .ToList(); - var lastWatchedInfo = new Dictionary<string, Guid>(); - foreach (var group in allPlayedLite.GroupBy(e => e.SeriesPresentationUniqueKey)) - { - var lastWatched = group - .OrderByDescending(e => e.ParentIndexNumber) - .ThenByDescending(e => e.IndexNumber) - .First(); - lastWatchedInfo[group.Key!] = lastWatched.Id; - } + var lastWatchedInfo = allPlayedLite + .OrderByDescending(e => e.ParentIndexNumber) + .ThenByDescending(e => e.IndexNumber) + .DistinctBy(e => e.SeriesPresentationUniqueKey) + .ToDictionary(e => e.SeriesPresentationUniqueKey!, e => e.Id); Dictionary<string, Guid> lastWatchedByDateInfo = new(); if (includeWatchedForRewatching) @@ -144,11 +140,10 @@ public class NextUpService : INextUpService (e, ud) => new { EpisodeId = e.Id, e.SeriesPresentationUniqueKey, ud.LastPlayedDate }) .ToList(); - foreach (var group in playedWithDates.GroupBy(x => x.SeriesPresentationUniqueKey)) - { - var mostRecent = group.OrderByDescending(x => x.LastPlayedDate).First(); - lastWatchedByDateInfo[group.Key!] = mostRecent.EpisodeId; - } + lastWatchedByDateInfo = playedWithDates + .OrderByDescending(x => x.LastPlayedDate) + .DistinctBy(x => x.SeriesPresentationUniqueKey) + .ToDictionary(x => x.SeriesPresentationUniqueKey!, x => x.EpisodeId); } var allLastWatchedIds = lastWatchedInfo.Values |