Resend last known state on reconnect

debian/usr/sbin/foodoord_oben

@@ -24,6 +24,7 @@ class FoodoorMQTT:
         self.client.on_connect = self.on_connect
         self.client.on_message = self.on_message
 
+        self._last_state = None
         self._connect_lock = threading.Condition()
 
     def connect(self):
@@ -39,6 +40,8 @@ class FoodoorMQTT:
         self.client.loop_stop()
 
     def on_connect(self, client, userdata, flags, rc):
+        if self._last_state is not None:
+            self.send_state(self._last_state)
         with self._connect_lock:
             self._connect_lock.notify()
 
@@ -46,6 +49,7 @@ class FoodoorMQTT:
         print(f"MQTT-Server Message: {msg.topic} {msg.payload}")
 
     def send_state(self, locked: bool):
+        self._last_state = locked
         self.client.publish(f"foobar/{self.area}/foodoor/status", {
             False: "open",
             True: "closed",