Fix IsPlayed filter and setting BoxSet played/unplayed

Jellyfin.Server.Implementations/Item/BaseItemRepository.cs

@@ -3323,6 +3323,33 @@ public sealed class BaseItemRepository
                     baseQuery = baseQuery.Where(s => !playedSeriesIdList.Contains(s.Id));
                 }
             }
+            else if (filter.IncludeItemTypes.Length == 1 && filter.IncludeItemTypes[0] == BaseItemKind.BoxSet)
+            {
+                var boxSetIds = baseQuery.Select(e => e.Id).ToList();
+                var userId = filter.User!.Id;
+                var playedBoxSetIds = new List<Guid>(boxSetIds.Count);
+                foreach (var boxSetId in boxSetIds)
+                {
+                    var descendantIds = DescendantQueryHelper.GetAllDescendantIds(context, boxSetId);
+                    var leafItems = context.BaseItems
+                        .Where(e => descendantIds.Contains(e.Id) && !e.IsFolder && !e.IsVirtualItem);
+
+                    if (leafItems.Any()
+                        && leafItems.All(f => f.UserData!.Any(ud => ud.UserId == userId && ud.Played)))
+                    {
+                        playedBoxSetIds.Add(boxSetId);
+                    }
+                }
+
+                if (filter.IsPlayed.Value)
+                {
+                    baseQuery = baseQuery.Where(s => playedBoxSetIds.Contains(s.Id));
+                }
+                else
+                {
+                    baseQuery = baseQuery.Where(s => !playedBoxSetIds.Contains(s.Id));
+                }
+            }
             else
             {
                 var playedItemIds = context.UserData

MediaBrowser.Controller/Entities/Movies/BoxSet.cs

@@ -194,6 +194,34 @@ namespace MediaBrowser.Controller.Entities.Movies
             return true;
         }
 
+        public override void MarkPlayed(User user, DateTime? datePlayed, bool resetPosition)
+        {
+            if (IsLegacyBoxSet)
+            {
+                base.MarkPlayed(user, datePlayed, resetPosition);
+                return;
+            }
+
+            foreach (var item in GetLinkedChildren(user))
+            {
+                item.MarkPlayed(user, datePlayed, resetPosition);
+            }
+        }
+
+        public override void MarkUnplayed(User user)
+        {
+            if (IsLegacyBoxSet)
+            {
+                base.MarkUnplayed(user);
+                return;
+            }
+
+            foreach (var item in GetLinkedChildren(user))
+            {
+                item.MarkUnplayed(user);
+            }
+        }
+
         public override bool IsVisibleStandalone(User user)
         {
             if (IsLegacyBoxSet)

MediaBrowser.Controller/Entities/UserViewBuilder.cs

@@ -539,6 +539,15 @@ namespace MediaBrowser.Controller.Entities
                 }
             }
 
+            if (query.IsPlayed.HasValue)
+            {
+                userData ??= userDataManager.GetUserData(user, item);
+                if (item.IsPlayed(user, userData) != query.IsPlayed.Value)
+                {
+                    return false;
+                }
+            }
+
             if (query.IsLocked.HasValue)
             {
                 var val = query.IsLocked.Value;