4 files changed, 57 insertions, 38 deletions
diff --git a/MediaBrowser.Model/SyncPlay/GroupUpdate.cs b/MediaBrowser.Model/SyncPlay/GroupUpdate.cs
index 6f159d653..ec67d7ea8 100644
--- a/MediaBrowser.Model/SyncPlay/GroupUpdate.cs
+++ b/MediaBrowser.Model/SyncPlay/GroupUpdate.cs
@@ -1,42 +1,30 @@
 using System;
 
-namespace MediaBrowser.Model.SyncPlay
+namespace MediaBrowser.Model.SyncPlay;
+
+/// <summary>
+/// Group update without data.
+/// </summary>
+public abstract class GroupUpdate
 {
     /// <summary>
-    /// Class GroupUpdate.
+    /// Initializes a new instance of the <see cref="GroupUpdate"/> class.
     /// </summary>
-    /// <typeparam name="T">The type of the data of the message.</typeparam>
-    public class GroupUpdate<T>
+    /// <param name="groupId">The group identifier.</param>
+    protected GroupUpdate(Guid groupId)
     {
-        /// <summary>
-        /// Initializes a new instance of the <see cref="GroupUpdate{T}"/> class.
-        /// </summary>
-        /// <param name="groupId">The group identifier.</param>
-        /// <param name="type">The update type.</param>
-        /// <param name="data">The update data.</param>
-        public GroupUpdate(Guid groupId, GroupUpdateType type, T data)
-        {
-            GroupId = groupId;
-            Type = type;
-            Data = data;
-        }
-
-        /// <summary>
-        /// Gets the group identifier.
-        /// </summary>
-        /// <value>The group identifier.</value>
-        public Guid GroupId { get; }
+        GroupId = groupId;
+    }
 
-        /// <summary>
-        /// Gets the update type.
-        /// </summary>
-        /// <value>The update type.</value>
-        public GroupUpdateType Type { get; }
+    /// <summary>
+    /// Gets the group identifier.
+    /// </summary>
+    /// <value>The group identifier.</value>
+    public Guid GroupId { get; }
 
-        /// <summary>
-        /// Gets the update data.
-        /// </summary>
-        /// <value>The update data.</value>
-        public T Data { get; }
-    }
+    /// <summary>
+    /// Gets the update type.
+    /// </summary>
+    /// <value>The update type.</value>
+    public GroupUpdateType Type { get; init; }
 }
diff --git a/MediaBrowser.Model/SyncPlay/GroupUpdateOfT.cs b/MediaBrowser.Model/SyncPlay/GroupUpdateOfT.cs
new file mode 100644
index 000000000..25cd44461
--- /dev/null
+++ b/MediaBrowser.Model/SyncPlay/GroupUpdateOfT.cs
@@ -0,0 +1,31 @@
+#pragma warning disable SA1649
+
+using System;
+
+namespace MediaBrowser.Model.SyncPlay;
+
+/// <summary>
+/// Class GroupUpdate.
+/// </summary>
+/// <typeparam name="T">The type of the data of the message.</typeparam>
+public class GroupUpdate<T> : GroupUpdate
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="GroupUpdate{T}"/> class.
+    /// </summary>
+    /// <param name="groupId">The group identifier.</param>
+    /// <param name="type">The update type.</param>
+    /// <param name="data">The update data.</param>
+    public GroupUpdate(Guid groupId, GroupUpdateType type, T data)
+        : base(groupId)
+    {
+        Data = data;
+        Type = type;
+    }
+
+    /// <summary>
+    /// Gets the update data.
+    /// </summary>
+    /// <value>The update data.</value>
+    public T Data { get; }
+}
diff --git a/MediaBrowser.Model/SyncPlay/PlayQueueUpdate.cs b/MediaBrowser.Model/SyncPlay/PlayQueueUpdate.cs
index cce99c77d..376d926c9 100644
--- a/MediaBrowser.Model/SyncPlay/PlayQueueUpdate.cs
+++ b/MediaBrowser.Model/SyncPlay/PlayQueueUpdate.cs
@@ -19,7 +19,7 @@ namespace MediaBrowser.Model.SyncPlay
         /// <param name="isPlaying">The playing item status.</param>
         /// <param name="shuffleMode">The shuffle mode.</param>
         /// <param name="repeatMode">The repeat mode.</param>
-        public PlayQueueUpdate(PlayQueueUpdateReason reason, DateTime lastUpdate, IReadOnlyList<QueueItem> playlist, int playingItemIndex, long startPositionTicks, bool isPlaying, GroupShuffleMode shuffleMode, GroupRepeatMode repeatMode)
+        public PlayQueueUpdate(PlayQueueUpdateReason reason, DateTime lastUpdate, IReadOnlyList<SyncPlayQueueItem> playlist, int playingItemIndex, long startPositionTicks, bool isPlaying, GroupShuffleMode shuffleMode, GroupRepeatMode repeatMode)
         {
             Reason = reason;
             LastUpdate = lastUpdate;
@@ -47,7 +47,7 @@ namespace MediaBrowser.Model.SyncPlay
         /// Gets the playlist.
         /// </summary>
         /// <value>The playlist.</value>
-        public IReadOnlyList<QueueItem> Playlist { get; }
+        public IReadOnlyList<SyncPlayQueueItem> Playlist { get; }
 
         /// <summary>
         /// Gets the playing item index in the playlist.
diff --git a/MediaBrowser.Model/SyncPlay/QueueItem.cs b/MediaBrowser.Model/SyncPlay/SyncPlayQueueItem.cs
index a6dcc109e..da81fecbd 100644
--- a/MediaBrowser.Model/SyncPlay/QueueItem.cs
+++ b/MediaBrowser.Model/SyncPlay/SyncPlayQueueItem.cs
@@ -5,13 +5,13 @@ namespace MediaBrowser.Model.SyncPlay
     /// <summary>
     /// Class QueueItem.
     /// </summary>
-    public class QueueItem
+    public class SyncPlayQueueItem
     {
         /// <summary>
-        /// Initializes a new instance of the <see cref="QueueItem"/> class.
+        /// Initializes a new instance of the <see cref="SyncPlayQueueItem"/> class.
         /// </summary>
         /// <param name="itemId">The item identifier.</param>
-        public QueueItem(Guid itemId)
+        public SyncPlayQueueItem(Guid itemId)
         {
             ItemId = itemId;
         }