9 files changed, 295 insertions, 0 deletions
diff --git a/MediaBrowser.Model/SyncPlay/GroupInfoView.cs b/MediaBrowser.Model/SyncPlay/GroupInfoView.cs
new file mode 100644
index 000000000..f4c685998
--- /dev/null
+++ b/MediaBrowser.Model/SyncPlay/GroupInfoView.cs
@@ -0,0 +1,42 @@
+#nullable disable
+
+using System.Collections.Generic;
+
+namespace MediaBrowser.Model.SyncPlay
+{
+    /// <summary>
+    /// Class GroupInfoView.
+    /// </summary>
+    public class GroupInfoView
+    {
+        /// <summary>
+        /// Gets or sets the group identifier.
+        /// </summary>
+        /// <value>The group identifier.</value>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the playing item id.
+        /// </summary>
+        /// <value>The playing item id.</value>
+        public string PlayingItemId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the playing item name.
+        /// </summary>
+        /// <value>The playing item name.</value>
+        public string PlayingItemName { get; set; }
+
+        /// <summary>
+        /// Gets or sets the position ticks.
+        /// </summary>
+        /// <value>The position ticks.</value>
+        public long PositionTicks { get; set; }
+
+        /// <summary>
+        /// Gets or sets the participants.
+        /// </summary>
+        /// <value>The participants.</value>
+        public IReadOnlyList<string> Participants { get; set; }
+    }
+}
diff --git a/MediaBrowser.Model/SyncPlay/GroupUpdate.cs b/MediaBrowser.Model/SyncPlay/GroupUpdate.cs
new file mode 100644
index 000000000..8c7208211
--- /dev/null
+++ b/MediaBrowser.Model/SyncPlay/GroupUpdate.cs
@@ -0,0 +1,28 @@
+#nullable disable
+
+namespace MediaBrowser.Model.SyncPlay
+{
+    /// <summary>
+    /// Class GroupUpdate.
+    /// </summary>
+    public class GroupUpdate<T>
+    {
+        /// <summary>
+        /// Gets or sets the group identifier.
+        /// </summary>
+        /// <value>The group identifier.</value>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the update type.
+        /// </summary>
+        /// <value>The update type.</value>
+        public GroupUpdateType Type { get; set; }
+
+        /// <summary>
+        /// Gets or sets the data.
+        /// </summary>
+        /// <value>The data.</value>
+        public T Data { get; set; }
+    }
+}
diff --git a/MediaBrowser.Model/SyncPlay/GroupUpdateType.cs b/MediaBrowser.Model/SyncPlay/GroupUpdateType.cs
new file mode 100644
index 000000000..89d245787
--- /dev/null
+++ b/MediaBrowser.Model/SyncPlay/GroupUpdateType.cs
@@ -0,0 +1,53 @@
+namespace MediaBrowser.Model.SyncPlay
+{
+    /// <summary>
+    /// Enum GroupUpdateType.
+    /// </summary>
+    public enum GroupUpdateType
+    {
+        /// <summary>
+        /// The user-joined update. Tells members of a group about a new user.
+        /// </summary>
+        UserJoined,
+        /// <summary>
+        /// The user-left update. Tells members of a group that a user left.
+        /// </summary>
+        UserLeft,
+        /// <summary>
+        /// The group-joined update. Tells a user that the group has been joined.
+        /// </summary>
+        GroupJoined,
+        /// <summary>
+        /// The group-left update. Tells a user that the group has been left.
+        /// </summary>
+        GroupLeft,
+        /// <summary>
+        /// The group-wait update. Tells members of the group that a user is buffering.
+        /// </summary>
+        GroupWait,
+        /// <summary>
+        /// The prepare-session update. Tells a user to load some content.
+        /// </summary>
+        PrepareSession,
+        /// <summary>
+        /// The not-in-group error. Tells a user that they don't belong to a group.
+        /// </summary>
+        NotInGroup,
+        /// <summary>
+        /// The group-does-not-exist error. Sent when trying to join a non-existing group.
+        /// </summary>
+        GroupDoesNotExist,
+        /// <summary>
+        /// The create-group-denied error. Sent when a user tries to create a group without required permissions.
+        /// </summary>
+        CreateGroupDenied,
+        /// <summary>
+        /// The join-group-denied error. Sent when a user tries to join a group without required permissions.
+        /// </summary>
+        JoinGroupDenied,
+        /// <summary>
+        /// The library-access-denied error. Sent when a user tries to join a group without required access to the library.
+        /// </summary>
+        LibraryAccessDenied
+    }
+}
diff --git a/MediaBrowser.Model/SyncPlay/JoinGroupRequest.cs b/MediaBrowser.Model/SyncPlay/JoinGroupRequest.cs
new file mode 100644
index 000000000..d67b6bd55
--- /dev/null
+++ b/MediaBrowser.Model/SyncPlay/JoinGroupRequest.cs
@@ -0,0 +1,22 @@
+using System;
+
+namespace MediaBrowser.Model.SyncPlay
+{
+    /// <summary>
+    /// Class JoinGroupRequest.
+    /// </summary>
+    public class JoinGroupRequest
+    {
+        /// <summary>
+        /// Gets or sets the Group id.
+        /// </summary>
+        /// <value>The Group id to join.</value>
+        public Guid GroupId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the playing item id.
+        /// </summary>
+        /// <value>The client's currently playing item id.</value>
+        public Guid PlayingItemId { get; set; }
+    }
+}
diff --git a/MediaBrowser.Model/SyncPlay/PlaybackRequest.cs b/MediaBrowser.Model/SyncPlay/PlaybackRequest.cs
new file mode 100644
index 000000000..9de23194e
--- /dev/null
+++ b/MediaBrowser.Model/SyncPlay/PlaybackRequest.cs
@@ -0,0 +1,34 @@
+using System;
+
+namespace MediaBrowser.Model.SyncPlay
+{
+    /// <summary>
+    /// Class PlaybackRequest.
+    /// </summary>
+    public class PlaybackRequest
+    {
+        /// <summary>
+        /// Gets or sets the request type.
+        /// </summary>
+        /// <value>The request type.</value>
+        public PlaybackRequestType Type { get; set; }
+
+        /// <summary>
+        /// Gets or sets when the request has been made by the client.
+        /// </summary>
+        /// <value>The date of the request.</value>
+        public DateTime? When { get; set; }
+
+        /// <summary>
+        /// Gets or sets the position ticks.
+        /// </summary>
+        /// <value>The position ticks.</value>
+        public long? PositionTicks { get; set; }
+
+        /// <summary>
+        /// Gets or sets the ping time.
+        /// </summary>
+        /// <value>The ping time.</value>
+        public long? Ping { get; set; }
+    }
+}
diff --git a/MediaBrowser.Model/SyncPlay/PlaybackRequestType.cs b/MediaBrowser.Model/SyncPlay/PlaybackRequestType.cs
new file mode 100644
index 000000000..f1e175fde
--- /dev/null
+++ b/MediaBrowser.Model/SyncPlay/PlaybackRequestType.cs
@@ -0,0 +1,33 @@
+namespace MediaBrowser.Model.SyncPlay
+{
+    /// <summary>
+    /// Enum PlaybackRequestType
+    /// </summary>
+    public enum PlaybackRequestType
+    {
+        /// <summary>
+        /// A user is requesting a play command for the group.
+        /// </summary>
+        Play = 0,
+        /// <summary>
+        /// A user is requesting a pause command for the group.
+        /// </summary>
+        Pause = 1,
+        /// <summary>
+        /// A user is requesting a seek command for the group.
+        /// </summary>
+        Seek = 2,
+        /// <summary>
+        /// A user is signaling that playback is buffering.
+        /// </summary>
+        Buffering = 3,
+        /// <summary>
+        /// A user is signaling that playback resumed.
+        /// </summary>
+        BufferingDone = 4,
+        /// <summary>
+        /// A user is reporting its ping.
+        /// </summary>
+        UpdatePing = 5
+    }
+}
diff --git a/MediaBrowser.Model/SyncPlay/SendCommand.cs b/MediaBrowser.Model/SyncPlay/SendCommand.cs
new file mode 100644
index 000000000..0f0be0152
--- /dev/null
+++ b/MediaBrowser.Model/SyncPlay/SendCommand.cs
@@ -0,0 +1,40 @@
+#nullable disable
+
+namespace MediaBrowser.Model.SyncPlay
+{
+    /// <summary>
+    /// Class SendCommand.
+    /// </summary>
+    public class SendCommand
+    {
+        /// <summary>
+        /// Gets or sets the group identifier.
+        /// </summary>
+        /// <value>The group identifier.</value>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the UTC time when to execute the command.
+        /// </summary>
+        /// <value>The UTC time when to execute the command.</value>
+        public string When { get; set; }
+
+        /// <summary>
+        /// Gets or sets the position ticks.
+        /// </summary>
+        /// <value>The position ticks.</value>
+        public long? PositionTicks { get; set; }
+
+        /// <summary>
+        /// Gets or sets the command.
+        /// </summary>
+        /// <value>The command.</value>
+        public SendCommandType Command { get; set; }
+
+        /// <summary>
+        /// Gets or sets the UTC time when this command has been emitted.
+        /// </summary>
+        /// <value>The UTC time when this command has been emitted.</value>
+        public string EmittedAt { get; set; }
+    }
+}
diff --git a/MediaBrowser.Model/SyncPlay/SendCommandType.cs b/MediaBrowser.Model/SyncPlay/SendCommandType.cs
new file mode 100644
index 000000000..113719871
--- /dev/null
+++ b/MediaBrowser.Model/SyncPlay/SendCommandType.cs
@@ -0,0 +1,21 @@
+namespace MediaBrowser.Model.SyncPlay
+{
+    /// <summary>
+    /// Enum SendCommandType.
+    /// </summary>
+    public enum SendCommandType
+    {
+        /// <summary>
+        /// The play command. Instructs users to start playback.
+        /// </summary>
+        Play = 0,
+        /// <summary>
+        /// The pause command. Instructs users to pause playback.
+        /// </summary>
+        Pause = 1,
+        /// <summary>
+        /// The seek command. Instructs users to seek to a specified time.
+        /// </summary>
+        Seek = 2
+    }
+}
diff --git a/MediaBrowser.Model/SyncPlay/UtcTimeResponse.cs b/MediaBrowser.Model/SyncPlay/UtcTimeResponse.cs
new file mode 100644
index 000000000..8ec5eaab3
--- /dev/null
+++ b/MediaBrowser.Model/SyncPlay/UtcTimeResponse.cs
@@ -0,0 +1,22 @@
+#nullable disable
+
+namespace MediaBrowser.Model.SyncPlay
+{
+    /// <summary>
+    /// Class UtcTimeResponse.
+    /// </summary>
+    public class UtcTimeResponse
+    {
+        /// <summary>
+        /// Gets or sets the UTC time when request has been received.
+        /// </summary>
+        /// <value>The UTC time when request has been received.</value>
+        public string RequestReceptionTime { get; set; }
+
+        /// <summary>
+        /// Gets or sets the UTC time when response has been sent.
+        /// </summary>
+        /// <value>The UTC time when response has been sent.</value>
+        public string ResponseTransmissionTime { get; set; }
+    }
+}