Merge pull request #17576 from obiwantoby/perf/batch-mediasourcecount-dto

Bugfix: #17547 | Batching MediaSourceCount into one call
2026-08-10 16:15:54 -04:00
parent c210ea87f2 505a6ebf8f
commit 35e86416af
6 changed files with 164 additions and 12 deletions
@@ -59,6 +59,25 @@ public class LinkedChildrenService : ILinkedChildrenService
            .ToArray();
    }

+    /// <inheritdoc/>
+    public IReadOnlySet<Guid> GetItemIdsWithAlternateVersions(IReadOnlyList<Guid> itemIds)
+    {
+        if (itemIds.Count == 0)
+        {
+            return new HashSet<Guid>();
+        }
+
+        using var dbContext = _dbProvider.CreateDbContext();
+
+        return dbContext.LinkedChildren
+            .Where(lc => lc.ChildType == DbLinkedChildType.LocalAlternateVersion
+                || lc.ChildType == DbLinkedChildType.LinkedAlternateVersion)
+            .WhereOneOrMany(itemIds as IList<Guid> ?? itemIds.ToList(), lc => lc.ParentId)
+            .Select(lc => lc.ParentId)
+            .Distinct()
+            .ToHashSet();
+    }
+
    /// <inheritdoc/>
    public IReadOnlyDictionary<string, MusicArtist[]> FindArtists(IReadOnlyList<string> artistNames)
    {