feat: add IAudioCodecInfoMessenger for messaging bridge implementation

src/PepperDash.Essentials.Devices.Common/AudioCodec/Interfaces/IAudioCodecPhonebook.cs

@@ -0,0 +1,15 @@
+
+
+
+using System.Collections.Generic;
+using PepperDash.Essentials.Devices.Common.Codec;
+
+namespace PepperDash.Essentials.Devices.Common.AudioCodec;
+
+public interface IAudioCodecPhonebook : IHasDialer
+{
+    /// <summary>
+    /// Gets the list of phonebook entries for the device.
+    /// </summary>
+    List<CodecPhonebookEntry> PhonebookEntries { get; }
+}

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

@@ -0,0 +1,71 @@
+using System;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using PepperDash.Core;
+using PepperDash.Core.Logging;
+using PepperDash.Essentials.Core;
+using PepperDash.Essentials.Devices.Common.AudioCodec;
+
+namespace PepperDash.Essentials.AppServer.Messengers
+{
+    /// <summary>
+    /// Provides a messaging bridge for devices implementing <see cref="IAudioCodecInfo"/>
+    /// </summary>
+    public class IAudioCodecInfoMessenger : MessengerBase
+    {
+        private readonly IAudioCodecInfo _codecInfo;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="IAudioCodecInfoMessenger"/> class.
+        /// </summary>
+        /// <param name="key"></param>
+        /// <param name="messagePath"></param>
+        /// <param name="device"></param>
+        /// <exception cref="ArgumentNullException"></exception>
+        public IAudioCodecInfoMessenger(string key, string messagePath, EssentialsDevice device)
+            : base(key, messagePath, device)
+        {
+            _codecInfo = device as IAudioCodecInfo ?? throw new ArgumentNullException(nameof(device));
+        }
+
+        /// <inheritdoc />
+        protected override void RegisterActions()
+        {
+            base.RegisterActions();
+
+            AddAction("/fullStatus", (id, content) => SendFullStatus(id));
+
+            AddAction("/codecInfoStatus", (id, content) => SendFullStatus(id));
+        }
+
+        private void SendFullStatus(string id = null)
+        {
+            try
+            {
+                var state = new IAudioCodecInfoStateMessage
+                {
+                    PhoneNumber = _codecInfo.CodecInfo?.PhoneNumber
+                };
+
+                Task.Run(() => PostStatusMessage(state, id));
+            }
+            catch (Exception ex)
+            {
+                this.LogError(ex, "Error sending audio codec info full status");
+            }
+        }
+    }
+
+    /// <summary>
+    /// State message for <see cref="IAudioCodecInfo"/>
+    /// </summary>
+    public class IAudioCodecInfoStateMessage : DeviceStateMessageBase
+    {
+        /// <summary>
+        /// Gets or sets the phone number of the audio codec
+        /// </summary>
+        [JsonProperty("phoneNumber", NullValueHandling = NullValueHandling.Ignore)]
+        public string PhoneNumber { get; set; }
+    }
+}