combine shared code

Emby.Server.Implementations/Library/LibraryManager.cs

@@ -3209,5 +3209,10 @@ namespace Emby.Server.Implementations.Library
 
             return item is UserRootFolder || item.IsVisibleStandalone(user);
         }
+
+        public void LogMessage(string message)
+        {
+            _logger.LogInformation("(MJH) {Message}", message);
+        }
     }
 }

MediaBrowser.Controller/Entities/Video.cs

@@ -148,22 +148,7 @@ namespace MediaBrowser.Controller.Entities
         public override bool SupportsAddingToPlaylist => true;
 
         [JsonIgnore]
-        public int MediaSourceCount
-        {
-            get
-            {
-                if (!string.IsNullOrEmpty(PrimaryVersionId))
-                {
-                    var item = LibraryManager.GetItemById(PrimaryVersionId);
-                    if (item is Video video)
-                    {
-                        return video.MediaSourceCount;
-                    }
-                }
-
-                return LinkedAlternateVersions.Length + LocalAlternateVersions.Length + 1;
-            }
-        }
+        public int MediaSourceCount => GetMediaSourceCount((message) => LibraryManager.LogMessage(message));
 
         [JsonIgnore]
         public bool IsStacked => AdditionalParts.Length > 0;

MediaBrowser.Controller/Library/ILibraryManager.cs

@@ -621,5 +621,11 @@ namespace MediaBrowser.Controller.Library
         /// This exists so plugins can trigger a library scan.
         /// </remarks>
         void QueueLibraryScan();
+
+        /// <summary>
+        /// Logs a message.
+        /// </summary>
+        /// <param name="message">The message to log.</param>
+        void LogMessage(string message);
     }
 }