Made Veadotube redemptions more user friendly

Veadotube/Handlers/FetchStatesHandler.cs

@@ -0,0 +1,34 @@
+using System.Text.Json;
+using Serilog;
+
+namespace TwitchChatTTS.Veadotube.Handlers
+{
+    public class FetchStatesHandler : IVeadotubeMessageHandler
+    {
+        private readonly JsonSerializerOptions _options;
+        private readonly ILogger _logger;
+
+        public string Name => "list";
+
+        public FetchStatesHandler(JsonSerializerOptions options, ILogger logger)
+        {
+            _options = options;
+            _logger = logger;
+        }
+
+        public Task Handle(VeadoSocketClient client, VeadoPayloadMessage message)
+        {
+            _logger.Information("Triggered Veadotube handler.");
+            var payload = JsonSerializer.Deserialize<VeadoNodeStateListMessage>(message.Payload.ToString()!, _options);
+            if (payload == null)
+            {
+                _logger.Warning("Invalid message received from Veadotube for listing states.");
+                return Task.CompletedTask;
+            }
+
+            var states = payload.States.ToDictionary(s => s.Name, s => s.Id);
+            client.UpdateState(states);
+            return Task.CompletedTask;
+        }
+    }
+}

Veadotube/Handlers/IVeadotubeMessageHandler.cs

@@ -0,0 +1,8 @@
+namespace TwitchChatTTS.Veadotube.Handlers
+{
+    public interface IVeadotubeMessageHandler
+    {
+        string Name { get; }
+        Task Handle(VeadoSocketClient client, VeadoPayloadMessage message);
+    }
+}