Refactoring

lib/content_views/approach_area_page.dart

@@ -10,6 +10,7 @@ import 'package:stadtbote/popups/tasks_popups/zip_popup.dart';
 import 'package:stadtbote/protocoll_messages/zip_message.dart';
 import 'package:stadtbote/tools/constants.dart';
 import 'package:stadtbote/tools/message_service.dart';
+import 'package:stadtbote/tools/messages/PublishPayloadMessage.dart';
 import 'package:stadtbote/tools/messages/ranking_updated.dart';
 import 'package:stadtbote/tools/mqtt_core.dart';
 
@@ -190,10 +191,7 @@ class _ApproachAreaPageState extends State<ApproachAreaPage> {
       setPosMessage.track!.pos!.acc = position.accuracy.toInt();
     }
 
-    var json = jsonEncode(setPosMessage.toJson());
-    Util.logInfo(json);
-
-    MqttCore.instance.publishMessage("set_zip", jsonEncode(setPosMessage.toJson()));
+    MessageService().publish<PublishPayloadMessage>(Constants.messageTopicPublishPayload, arguments: PublishPayloadMessage(topic: "rank", message: setPosMessage.toJson()));
   }
 
   _initMessages() {