Merge pull request #9641 from Daaiid/fix_compiler_warnings

Fix compiler warnings for Emby.Server.Implementations

Emby.Server.Implementations/Data/SqliteItemRepository.cs

@@ -205,7 +205,7 @@ namespace Emby.Server.Implementations.Data
         private static readonly string _mediaAttachmentSaveColumnsSelectQuery =
             $"select {string.Join(',', _mediaAttachmentSaveColumns)} from mediaattachments where ItemId=@ItemId";
 
-        private static readonly string _mediaAttachmentInsertPrefix;
+        private static readonly string _mediaAttachmentInsertPrefix = BuildMediaAttachmentInsertPrefix();
 
         private static readonly BaseItemKind[] _programTypes = new[]
         {
@@ -296,21 +296,6 @@ namespace Emby.Server.Implementations.Data
             { BaseItemKind.Year, typeof(Year).FullName }
         };
 
-        static SqliteItemRepository()
-        {
-            var queryPrefixText = new StringBuilder();
-            queryPrefixText.Append("insert into mediaattachments (");
-            foreach (var column in _mediaAttachmentSaveColumns)
-            {
-                queryPrefixText.Append(column)
-                    .Append(',');
-            }
-
-            queryPrefixText.Length -= 1;
-            queryPrefixText.Append(") values ");
-            _mediaAttachmentInsertPrefix = queryPrefixText.ToString();
-        }
-
         /// <summary>
         /// Initializes a new instance of the <see cref="SqliteItemRepository"/> class.
         /// </summary>
@@ -5879,6 +5864,21 @@ AND Type = @InternalPersonType)");
             return item;
         }
 
+        private static string BuildMediaAttachmentInsertPrefix()
+        {
+            var queryPrefixText = new StringBuilder();
+            queryPrefixText.Append("insert into mediaattachments (");
+            foreach (var column in _mediaAttachmentSaveColumns)
+            {
+                queryPrefixText.Append(column)
+                    .Append(',');
+            }
+
+            queryPrefixText.Length -= 1;
+            queryPrefixText.Append(") values ");
+            return queryPrefixText.ToString();
+        }
+
 #nullable enable
 
         private readonly struct QueryTimeLogger : IDisposable

Emby.Server.Implementations/Sorting/AlbumArtistComparer.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Linq;
 using Jellyfin.Data.Enums;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Audio;
@@ -9,37 +8,35 @@ using MediaBrowser.Model.Querying;
 namespace Emby.Server.Implementations.Sorting
 {
     /// <summary>
-    /// Class AlbumArtistComparer.
+    /// Allows comparing artists of albums. Only the first artist of each album is considered.
     /// </summary>
     public class AlbumArtistComparer : IBaseItemComparer
     {
         /// <summary>
-        /// Gets the name.
+        /// Gets the item type this comparer compares.
         /// </summary>
-        /// <value>The name.</value>
         public ItemSortBy Type => ItemSortBy.AlbumArtist;
 
         /// <summary>
-        /// Compares the specified x.
+        /// Compares the specified arguments on their primary artist.
         /// </summary>
-        /// <param name="x">The x.</param>
-        /// <param name="y">The y.</param>
-        /// <returns>System.Int32.</returns>
+        /// <param name="x">First item to compare.</param>
+        /// <param name="y">Second item to compare.</param>
+        /// <returns>Zero if equal, else negative or positive number to indicate order.</returns>
         public int Compare(BaseItem? x, BaseItem? y)
         {
-            return string.Compare(GetValue(x), GetValue(y), StringComparison.OrdinalIgnoreCase);
+            return string.Compare(GetFirstAlbumArtist(x), GetFirstAlbumArtist(y), StringComparison.OrdinalIgnoreCase);
         }
 
-        /// <summary>
-        /// Gets the value.
-        /// </summary>
-        /// <param name="x">The x.</param>
-        /// <returns>System.String.</returns>
-        private static string? GetValue(BaseItem? x)
+        private static string? GetFirstAlbumArtist(BaseItem? x)
         {
-            var audio = x as IHasAlbumArtist;
+            if (x is IHasAlbumArtist audio
+                && audio.AlbumArtists.Count != 0)
+            {
+                return audio.AlbumArtists[0];
+            }
 
-            return audio?.AlbumArtists.FirstOrDefault();
+            return null;
         }
     }
 }