Split BaseItemRepository and IItemRepository

1 files changed, 50 insertions, 0 deletions

diff --git a/MediaBrowser.Controller/Persistence/ILinkedChildrenService.cs b/MediaBrowser.Controller/Persistence/ILinkedChildrenService.cs
new file mode 100644
index 0000000000..d0cddf54a6
--- /dev/null
+++ b/MediaBrowser.Controller/Persistence/ILinkedChildrenService.cs
@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using MediaBrowser.Controller.Entities.Audio;
+using LinkedChildType = MediaBrowser.Controller.Entities.LinkedChildType;
+
+namespace MediaBrowser.Controller.Persistence;
+
+/// <summary>
+/// Provides linked children query and manipulation operations.
+/// </summary>
+public interface ILinkedChildrenService
+{
+    /// <summary>
+    /// Gets the IDs of linked children for the specified parent.
+    /// </summary>
+    /// <param name="parentId">The parent item ID.</param>
+    /// <param name="childType">Optional child type filter.</param>
+    /// <returns>List of child item IDs.</returns>
+    IReadOnlyList<Guid> GetLinkedChildrenIds(Guid parentId, int? childType = null);
+
+    /// <summary>
+    /// Gets all artist matches from the database.
+    /// </summary>
+    /// <param name="artistNames">The names of the artists.</param>
+    /// <returns>A map of the artist name and the potential matches.</returns>
+    IReadOnlyDictionary<string, MusicArtist[]> FindArtists(IReadOnlyList<string> artistNames);
+
+    /// <summary>
+    /// Gets parent IDs that reference the specified child with LinkedChildType.Manual.
+    /// </summary>
+    /// <param name="childId">The child item ID.</param>
+    /// <returns>List of parent IDs that reference the child.</returns>
+    IReadOnlyList<Guid> GetManualLinkedParentIds(Guid childId);
+
+    /// <summary>
+    /// Updates LinkedChildren references from one child to another.
+    /// </summary>
+    /// <param name="fromChildId">The child ID to re-route from.</param>
+    /// <param name="toChildId">The child ID to re-route to.</param>
+    /// <returns>List of parent item IDs whose LinkedChildren were modified.</returns>
+    IReadOnlyList<Guid> RerouteLinkedChildren(Guid fromChildId, Guid toChildId);
+
+    /// <summary>
+    /// Creates or updates a LinkedChild entry.
+    /// </summary>
+    /// <param name="parentId">The parent item ID.</param>
+    /// <param name="childId">The child item ID.</param>
+    /// <param name="childType">The type of linked child relationship.</param>
+    void UpsertLinkedChild(Guid parentId, Guid childId, LinkedChildType childType);
+}