fix: send touchpanel key to client when client joins direct server

device interface system

src/Directory.Build.props

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <Version>2.15.1-local</Version>
+    <Version>2.18.2-local</Version>
     <InformationalVersion>$(Version)</InformationalVersion>
     <Authors>PepperDash Technology</Authors>
     <Company>PepperDash Technology</Company>

src/PepperDash.Essentials.MobileControl/MobileControlSystemController.cs

@@ -2174,6 +2174,7 @@ namespace PepperDash.Essentials
         {
             var clientId = content["clientId"].Value<string>();
             var roomKey = content["roomKey"].Value<string>();
+            var touchpanelKey = content.SelectToken("touchpanelKey");
 
             if (_roomCombiner == null)
             {
@@ -2185,6 +2186,8 @@ namespace PepperDash.Essentials
                 };
 
                 SendMessageObject(message);
+
+                SendDeviceInterfaces(clientId);
                 return;
             }
 
@@ -2196,7 +2199,10 @@ namespace PepperDash.Essentials
                     ClientId = clientId,
                     Content = roomKey
                 };
+
                 SendMessageObject(message);
+
+                SendDeviceInterfaces(clientId);
                 return;
             }
 
@@ -2214,6 +2220,8 @@ namespace PepperDash.Essentials
                 };
 
                 SendMessageObject(message);
+
+                SendDeviceInterfaces(clientId);
                 return;
             }
 
@@ -2227,6 +2235,50 @@ namespace PepperDash.Essentials
             };
 
             SendMessageObject(newMessage);
+
+            SendDeviceInterfaces(clientId);
+
+            SendTouchpanelKey(clientId, touchpanelKey);
+        }
+
+        private void SendTouchpanelKey(string clientId, JToken touchpanelKeyToken)
+        {
+            if (touchpanelKeyToken == null) { return; }
+
+            SendMessageObject(new MobileControlMessage
+            {
+                Type = "/system/touchpanelKey",
+                ClientId = clientId,
+                Content = touchpanelKeyToken.Value<string>()
+            });
+        }
+
+        private void SendDeviceInterfaces(string clientId)
+        {
+            this.LogDebug("Sending Device interfaces");
+            var devices = DeviceManager.GetDevices();
+            Dictionary<string, DeviceInterfaceInfo> deviceInterfaces = new Dictionary<string, DeviceInterfaceInfo>();
+
+            foreach (var device in devices)
+            {
+                var interfaces = device?.GetType().GetInterfaces().Select((i) => i.Name).ToList() ?? new List<string>();
+
+                deviceInterfaces.Add(device.Key, new DeviceInterfaceInfo
+                {
+                    Key = device.Key,
+                    Name = (device as IKeyName)?.Name ?? "",
+                    Interfaces = interfaces
+                });
+            }
+
+            var message = new MobileControlMessage
+            {
+                Type = "/system/deviceInterfaces",
+                ClientId = clientId,
+                Content = JToken.FromObject(new { deviceInterfaces })
+            };
+
+            SendMessageObject(message);
         }
 
         private void HandleUserCode(JToken content, Action<string, string> action = null)

src/PepperDash.Essentials.MobileControl/WebSocketServer/MobileControlWebsocketServer.cs

@@ -723,7 +723,7 @@ namespace PepperDash.Essentials.WebSocketServer
 
         private UiClient BuildUiClient(string roomKey, JoinToken token, string key)
         {
-            var c = new UiClient($"uiclient-{key}-{roomKey}-{token.Id}", token.Id, token.Token);
+            var c = new UiClient($"uiclient-{key}-{roomKey}-{token.Id}", token.Id, token.Token, token.TouchpanelKey);
             this.LogInformation("Constructing UiClient with key {key} and ID {id}", key, token.Id);
             c.Controller = _parent;
             c.RoomKey = roomKey;

src/PepperDash.Essentials.MobileControl/WebSocketServer/UiClient.cs

@@ -31,6 +31,11 @@ namespace PepperDash.Essentials.WebSocketServer
         /// </summary>
         public string Token { get; private set; }
 
+        /// <summary>
+        /// Touchpanel Key associated with this client
+        /// </summary>
+        public string TouchpanelKey { get; private set; }
+
         /// <summary>
         /// Gets or sets the mobile control system controller that handles this client's messages
         /// </summary>
@@ -75,11 +80,13 @@ namespace PepperDash.Essentials.WebSocketServer
         /// <param name="key">The unique key to identify this client</param>
         /// <param name="id">The client ID used by the client for this connection</param>
         /// <param name="token">The token associated with this client</param>
-        public UiClient(string key, string id, string token)
+        /// <param name="touchpanelKey">The touchpanel key associated with this client</param>
+        public UiClient(string key, string id, string token, string touchpanelKey = "")
         {
             Key = key;
             Id = id;
             Token = token;
+            TouchpanelKey = touchpanelKey;
         }
 
         /// <inheritdoc />
@@ -105,6 +112,7 @@ namespace PepperDash.Essentials.WebSocketServer
                 {
                     clientId = Id,
                     roomKey = RoomKey,
+                    touchpanelKey = string.IsNullOrEmpty(TouchpanelKey) ? TouchpanelKey : string.Empty,
                 })
             };