execute method

Implementation

@override
Future<bool?> execute(
    String caller, String propertyOrFunction, List<dynamic> arguments) async {
  var function = propertyOrFunction.toLowerCase().trim();
  switch (function) {
    case "write":
    case "publish":
      String? topic = toStr(elementAt(arguments, 0));
      String? message = toStr(elementAt(arguments, 1));
      if (mqtt != null && topic != null && message != null) {
        mqtt!.publish(topic, message);
      }
      return true;

    case "read":
    case "subscribe":
      String? topic = toStr(elementAt(arguments, 0));
      if (!isNullOrEmpty(topic)) mqtt?.subscribe(topic!);
      return true;

    case "unsubscribe":
      String? topic = toStr(elementAt(arguments, 0));
      if (mqtt != null && topic != null) mqtt!.unsubscribe(topic);
      return true;

    case "connect":
      return await start();

    case "disconnect":
      return await stop();
  }
  return super.execute(caller, propertyOrFunction, arguments);
}