From 27d898e59e5c225baa3db0ee114f1c4034b74e31 Mon Sep 17 00:00:00 2001
From: Shadowghost <Ghost_of_Stone@web.de>
Date: Sat, 29 Aug 2026 21:39:14 +0200
Subject: Count a season's episodes by the season they belong to

---
 Emby.Server.Implementations/Dto/DtoService.cs         | 5 +++--
 Emby.Server.Implementations/Library/LibraryManager.cs | 4 ++--
 2 files changed, 5 insertions(+), 4 deletions(-)

(limited to 'Emby.Server.Implementations')

diff --git a/Emby.Server.Implementations/Dto/DtoService.cs b/Emby.Server.Implementations/Dto/DtoService.cs
index 2462a754ae..a2d3e14439 100644
--- a/Emby.Server.Implementations/Dto/DtoService.cs
+++ b/Emby.Server.Implementations/Dto/DtoService.cs
@@ -192,7 +192,7 @@ namespace Emby.Server.Implementations.Dto
                 var folderIds = accessibleItems.OfType<Folder>().Select(f => f.Id).ToList();
                 if (folderIds.Count > 0)
                 {
-                    childCountBatch = _libraryManager.GetChildCountBatch(folderIds, user?.Id);
+                    childCountBatch = _libraryManager.GetChildCountBatch(folderIds, user);
                 }
             }
 
@@ -700,7 +700,8 @@ namespace Emby.Server.Implementations.Dto
                 return count;
             }
 
-            // Fall back to individual query for special cases (Series, Season, etc.)
+            // Only reached when no batch was computed: the batch holds an entry for every folder it
+            // was asked about, zero included.
             return folder.GetChildCount(user);
         }
 
diff --git a/Emby.Server.Implementations/Library/LibraryManager.cs b/Emby.Server.Implementations/Library/LibraryManager.cs
index dd8c883684..71e2129ff8 100644
--- a/Emby.Server.Implementations/Library/LibraryManager.cs
+++ b/Emby.Server.Implementations/Library/LibraryManager.cs
@@ -1745,9 +1745,9 @@ namespace Emby.Server.Implementations.Library
             return _countService.GetItemCountsForNameItem(kind, id, relatedItemKinds, query);
         }
 
-        public Dictionary<Guid, int> GetChildCountBatch(IReadOnlyList<Guid> parentIds, Guid? userId)
+        public Dictionary<Guid, int> GetChildCountBatch(IReadOnlyList<Guid> parentIds, User? user)
         {
-            return _countService.GetChildCountBatch(parentIds, userId);
+            return _countService.GetChildCountBatch(parentIds, user);
         }
 
         /// <inheritdoc/>
-- 
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