fix: add IHasInputsMessenger

In order to match up with how existing front-end apps are expecting to
recieve data for devices that implement the `IHasInputs<T>` interface,
there is now an IHasInputsMessengers that is implemented for devices
that implement `IHasInputs<string>`, `IHasInputs<int>` or
`IHasInputs<byte>` interfaces.

src/PepperDash.Essentials.MobileControl.Messengers/Messengers/IHasInputsMessenger.cs

@@ -0,0 +1,101 @@
+using Newtonsoft.Json;
+using PepperDash.Core;
+using PepperDash.Core.Logging;
+using PepperDash.Essentials.Core.DeviceTypeInterfaces;
+using System;
+using System.Collections.Generic;
+
+namespace PepperDash.Essentials.AppServer.Messengers
+{
+    public class IHasInputsMessenger<TKey> : MessengerBase
+    {        
+        private readonly IHasInputs<TKey> itemDevice;        
+
+
+        /// <summary>
+        /// Constructs a messenger for a device that implements IHasInputs<typeparamref name="TKey"/>
+        /// </summary>
+        /// <param name="key"></param>
+        /// <param name="messagePath"></param>
+        /// <param name="device"></param>
+        public IHasInputsMessenger(string key, string messagePath, IHasInputs<TKey> device) : base(key, messagePath, device)
+        {
+            itemDevice = device;            
+        }
+
+        protected override void RegisterActions()
+        {
+            base.RegisterActions();
+
+            AddAction("/fullStatus", (id, context) =>
+            {
+                SendFullStatus();
+            });
+
+            itemDevice.Inputs.ItemsUpdated += (sender, args) =>
+            {
+                SendFullStatus();
+            };
+
+            itemDevice.Inputs.CurrentItemChanged += (sender, args) =>
+            {
+                SendFullStatus();
+            };
+
+            foreach (var input in itemDevice.Inputs.Items)
+            {
+                var key = input.Key;
+                var localItem = input.Value;
+
+                AddAction($"/{key}", (id, content) =>
+                {
+                    localItem.Select();
+                });
+
+                localItem.ItemUpdated += (sender, args) =>
+                {
+                    SendFullStatus();
+                };
+            }
+        }
+
+        private void SendFullStatus()
+        {
+            try
+            {
+                this.LogInformation("Sending full status");
+
+                var stateObject = new IHasInputsStateMessage<TKey>
+                {
+                    Inputs = new Inputs<TKey>
+                    {
+                        Items = itemDevice.Inputs.Items,
+                        CurrentItem = itemDevice.Inputs.CurrentItem
+                    }
+                };
+
+                PostStatusMessage(stateObject);
+            }
+            catch (Exception e)
+            {
+                this.LogError("Error sending full status: {0}", e.Message);
+            }
+        }
+    }
+
+    public class IHasInputsStateMessage<TKey> : DeviceStateMessageBase
+    {
+        [JsonProperty("inputs")]
+        public Inputs<TKey> Inputs { get; set; }
+    }
+
+    public class Inputs<TKey>
+    {
+        [JsonProperty("items")]
+        public Dictionary<TKey, ISelectableItem> Items { get; set; }
+
+        [JsonProperty("currentItem")]
+        public TKey CurrentItem { get; set; }
+    }
+
+}

src/PepperDash.Essentials.MobileControl/MobileControlSystemController.cs

@@ -763,11 +763,10 @@ namespace PepperDash.Essentials
                     {
                         this.LogVerbose("Adding InputsMessenger<string> for {deviceKey}", device.Key);
 
-                        var messenger = new ISelectableItemsMessenger<string>(
+                        var messenger = new IHasInputsMessenger<string>(
                             $"{device.Key}-inputs-{Key}",
                             $"/device/{device.Key}",
-                            stringInputs,
-                            "inputs"
+                            stringInputs
                         );
 
                         AddDefaultDeviceMessenger(messenger);
@@ -779,11 +778,10 @@ namespace PepperDash.Essentials
                     {
                         this.LogVerbose("Adding InputsMessenger for {deviceKey}", device.Key);
 
-                        var messenger = new ISelectableItemsMessenger<byte>(
+                        var messenger = new IHasInputsMessenger<byte>(
                             $"{device.Key}-inputs-{Key}",
                             $"/device/{device.Key}",
-                            byteInputs,
-                            "inputs"
+                            byteInputs
                         );
 
                         AddDefaultDeviceMessenger(messenger);
@@ -795,11 +793,10 @@ namespace PepperDash.Essentials
                     {
                         this.LogVerbose("Adding InputsMessenger for {deviceKey}", device.Key);
 
-                        var messenger = new ISelectableItemsMessenger<int>(
+                        var messenger = new IHasInputsMessenger<int>(
                             $"{device.Key}-inputs-{Key}",
                             $"/device/{device.Key}",
-                            intInputs,
-                            "inputs"
+                            intInputs
                         );
 
                         AddDefaultDeviceMessenger(messenger);