feat: add DeleteAllUiClientsHandler and route for deleting all clients. Resolve issues with client closing websocket connection to DebugWebsocketSink

src/PepperDash.Essentials.MobileControl/WebApiHandlers/DeleteAllUiClientsHandler.cs

@@ -0,0 +1,43 @@
+using Crestron.SimplSharp.WebScripting;
+using Newtonsoft.Json;
+using PepperDash.Core;
+using PepperDash.Core.Web.RequestHandlers;
+using PepperDash.Essentials.Core.Web;
+using PepperDash.Essentials.WebSocketServer;
+using Serilog.Events;
+
+namespace PepperDash.Essentials.WebApiHandlers
+{
+    /// <summary>
+    /// Represents a DeleteAllUiClientsHandler
+    /// </summary>
+    public class DeleteAllUiClientsHandler : WebApiBaseRequestHandler
+    {
+        private readonly MobileControlWebsocketServer server;
+
+        /// <summary>
+        /// Essentials CWS API handler for the MC Direct Server
+        /// </summary>
+        /// <param name="directServer">Direct Server instance</param>
+        public DeleteAllUiClientsHandler(MobileControlWebsocketServer directServer) : base(true)
+        {
+            server = directServer;
+        }
+
+        /// <summary>
+        /// Deletes all clients from the Direct Server
+        /// </summary>
+        /// <param name="context">HTTP Context for this request</param>
+        protected override void HandleDelete(HttpCwsContext context)
+        {
+            server.RemoveAllTokens("confirm");
+
+            var res = context.Response;
+            res.StatusCode = 200;
+            res.ContentType = "application/json";
+            res.Headers.Add("Content-Type", "application/json");
+            res.Write(JsonConvert.SerializeObject(new { success = true }), false);
+            res.End();
+        }
+    }
+}