1 files changed, 47 insertions, 0 deletions
diff --git a/Emby.Server.Implementations/Sorting/AlbumArtistComparer.cs b/Emby.Server.Implementations/Sorting/AlbumArtistComparer.cs
new file mode 100644
index 000000000..cd3834080
--- /dev/null
+++ b/Emby.Server.Implementations/Sorting/AlbumArtistComparer.cs
@@ -0,0 +1,47 @@
+using System.Linq;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Sorting;
+using MediaBrowser.Model.Querying;
+using System;
+
+namespace Emby.Server.Implementations.Sorting
+{
+    /// <summary>
+    /// Class AlbumArtistComparer
+    /// </summary>
+    public class AlbumArtistComparer : IBaseItemComparer
+    {
+        /// <summary>
+        /// Compares the specified x.
+        /// </summary>
+        /// <param name="x">The x.</param>
+        /// <param name="y">The y.</param>
+        /// <returns>System.Int32.</returns>
+        public int Compare(BaseItem x, BaseItem y)
+        {
+            return string.Compare(GetValue(x), GetValue(y), StringComparison.CurrentCultureIgnoreCase);
+        }
+
+        /// <summary>
+        /// Gets the value.
+        /// </summary>
+        /// <param name="x">The x.</param>
+        /// <returns>System.String.</returns>
+        private string GetValue(BaseItem x)
+        {
+            var audio = x as IHasAlbumArtist;
+
+            return audio != null ? audio.AlbumArtists.FirstOrDefault() : null;
+        }
+
+        /// <summary>
+        /// Gets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name
+        {
+            get { return ItemSortBy.AlbumArtist; }
+        }
+    }
+}