feat: discard disarm request after timeout

feat: Is Connected command

src/CasaBot/CasaBotApp/Controllers/BotController.cs

@@ -11,6 +11,8 @@ namespace CasaBotApp.Controllers;
 
 public class BotController : IController
 {
+    private const string MESSAGE_DISSARMING = "Disarming the door sensor 🔓";
+    private const string MESSAGE_DISARM_ERROR = "Alarm is not connected 🚷";
     private readonly BotHandler _botHandler;
     private readonly ILogger<BotController> _logger;
     private readonly AutoScanApp _autoScanApp;
@@ -103,8 +105,16 @@ public class BotController : IController
     [BotCommand("/disarm", "Disarm the Door Sensor")]
     public async Task Disarm(TextMessage msg, BotCommand ctx)
     {
-        await ctx.Responder(msg, "Disarming the door sensor");
         _controlServer.RequestDisarm();
+        
+        await ctx.Responder(msg, 
+            _controlServer.IsConnected() ? MESSAGE_DISSARMING : MESSAGE_DISARM_ERROR);
+    }
+    
+    [BotCommand("/status", "Get the status of the alarm")]
+    public async Task Status(TextMessage msg, BotCommand ctx)
+    {
+        await ctx.Responder(msg, _controlServer.IsConnected() ? "Alarm is connected 🟢" : "Alarm is not connected 🔴");
     }
 
     private void HandleReply()

src/CasaBot/ControlServer/ControlServer.cs

@@ -13,6 +13,8 @@ public class ControlServer : IControlServer
     private readonly Dictionary<long, SensorEvent> _events = new();
     private Func<SensorEvent, Task>? _onEventRecived;
     private bool _disarmRequestPending;
+    private DateTime _disarmRequestTime;
+    private DateTime _lastContactTime;
 
     public ControlServer(ILogger<ControlServer> logger, IOptions<ControlServerOptions> options)
     {
@@ -37,7 +39,13 @@ public class ControlServer : IControlServer
         while (!ct.IsCancellationRequested)
         {
             var ctx = await _httpListener.GetContextAsync();
-            // _logger.LogDebug("Got a request");
+            
+            //Check if the disarm request is from the last 5 minutes
+            if (_disarmRequestPending && (DateTime.Now - _disarmRequestTime).TotalMinutes > 5)
+            {
+                _disarmRequestPending = false;
+                _logger.LogWarning("Disarm request timed out");
+            }
             
             var request = ctx.Request;
             var response = ctx.Response;
@@ -53,6 +61,7 @@ public class ControlServer : IControlServer
             var eventDataString = eventData ?? string.Empty;
             var sensorEvent = new SensorEvent(eventId, eventTypeEnum, eventDataString);
             
+            _lastContactTime = DateTime.Now;
 
             if (sensorEvent.Type == EventType.Update)
             {
@@ -186,6 +195,13 @@ public class ControlServer : IControlServer
     public void RequestDisarm()
     {
         _disarmRequestPending = true;
+        _disarmRequestTime = DateTime.Now;
+    }
+
+    public bool IsConnected()
+    {
+        //Check if the last contact time was less than 5 minutes ago
+        return (DateTime.Now - _lastContactTime).TotalMinutes < 1;
     }
 
 }

src/CasaBot/ControlServer/IControlServer.cs

@@ -7,4 +7,5 @@ public interface IControlServer : IHostedService
     public void OnEvent(Func<SensorEvent, Task> onEventRecived);
     public void AuthorizeEvent(long eventId);
     public void RequestDisarm();
+    public bool IsConnected();
 }