Refactoring

lib/popups/infos_popup.dart

@@ -1,28 +1,57 @@
 import 'package:flutter/material.dart';
 import 'package:stadtbote/main.dart';
 import 'package:stadtbote/model/session_status.dart';
+import 'package:stadtbote/tools/constants.dart';
+import 'package:stadtbote/tools/message_service.dart';
 import 'package:stadtbote/tools/mqtt_core.dart';
 import 'package:stadtbote/tools/util.dart';
 
 void showInfosPopup(BuildContext context, SessionStatus? status) async {
-  var version = await Util.getAppVersion();
+  final int version = await Util.getAppVersion();
 
-  var text = "Versionsnummer: a$version\n";
-  text += "Verbindungsstatus: ${MqttCore.instance.connectionState == ConnectionStateEnum.connected ? "Verbunden" : "NICHT verbunden"}\n";
-  text += "GPS-Status: ${MyApp.currentPosition != null ? MyApp.currentPosition!.timestamp.toString() : "Unbekannt"}\n";
-  text += "\n";
-  text += "User Status:\n";
-  if (status != null) {
-    text += "cr_id: ${status.crId}\n";
-    text += "cust_id: ${status.custId}\n";
-    text += "sid: ${status.sid}\n";
-    text += "vht_id: ${status.vhtId}\n";
-    text += "server_version: ${status.serverVersion}\n";
-    text += "server_instance: ${status.serverInstance}\n";
-  } else {
-    text += "Keine Informationen gefunden";
+  late String connectedString = "Bitte warten...";
+
+  Future.delayed(const Duration(seconds: 2), () async {
+    MessageService().publish<RequestConnectionStatusMessage>(Constants.messageTopicRequestConnectionStatus, arguments: RequestConnectionStatusMessage());
+  });
+
+  void unsubscribeMessages() {
+    MessageService().unsubscribe(Constants.messageTopicCurrentConnectionStatus, version);
+    MessageService().unsubscribe(Constants.messageTopicConnectionStatusChanged, version);
   }
 
+  await showDialog(
+      // ignore: use_build_context_synchronously
+      context: context,
+      builder: (BuildContext context) {
+        // ignore: deprecated_member_use
+        return WillPopScope(
+            onWillPop: () async {
+              unsubscribeMessages();
+
+              return true;
+            },
+            child: AlertDialog(
+                contentPadding: EdgeInsets.zero,
+                shadowColor: Colors.transparent,
+                backgroundColor: Colors.white,
+                content: StatefulBuilder(builder: (BuildContext context, StateSetter setState) {
+                  var text = "Versionsnummer: a$version\n";
+                  text += "Verbindungsstatus: $connectedString\n";
+                  text += "GPS-Status: ${MyApp.currentPosition != null ? MyApp.currentPosition!.timestamp.toString() : "Unbekannt"}\n";
+                  text += "\n";
+                  text += "User Status:\n";
+                  if (status != null) {
+                    text += "cr_id: ${status.crId}\n";
+                    text += "cust_id: ${status.custId}\n";
+                    text += "sid: ${status.sid}\n";
+                    text += "vht_id: ${status.vhtId}\n";
+                    text += "server_version: ${status.serverVersion}\n";
+                    text += "server_instance: ${status.serverInstance}\n";
+                  } else {
+                    text += "Keine Informationen gefunden";
+                  }
+
   await showDialog(
       context: context,
       builder: (BuildContext context) {