Add cover control with up / stop / down

This allows the user to move covers with the Sia app.

1 files changed, 12 insertions, 0 deletions

diff --git a/lib/data.dart b/lib/data.dart
index a2e26b3..14e6811 100644
--- a/lib/data.dart
+++ b/lib/data.dart
@@ -221,4 +221,16 @@ class AppState with ChangeNotifier {
         return null;
     }
   }
+
+  void publish(String topic, String payload, MqttQos qos) {
+    final MqttClientPayloadBuilder builder = MqttClientPayloadBuilder();
+    builder.addString(payload);
+
+    _client.publishMessage(
+      '$topicPrefix/$topic',
+      qos,
+      builder.payload!,
+      retain: false,
+    );
+  }
 }