neon: Refactor server status handling

packages/neon/lib/src/neon.dart

@@ -57,7 +57,6 @@ import 'package:xdg_directories/xdg_directories.dart' as xdg;
 
 part 'app.dart';
 part 'pages/home/home.dart';
-part 'pages/home/widgets/server_status.dart';
 part 'pages/login/login.dart';
 part 'pages/settings/account_specific_settings.dart';
 part 'pages/settings/nextcloud_app_specific_settings.dart';

packages/neon/lib/src/pages/home/home.dart

@@ -65,10 +65,12 @@ class _HomePageState extends State<HomePage> {
                     if (!mounted) {
                       return;
                     }
-                    await _showUnsupportedVersion(
+                    await _showProblem(
+                      AppLocalizations.of(context).errorUnsupportedVersion(
                         id == 'core'
                             ? AppLocalizations.of(context).coreName
                             : appsResult.data!.singleWhere((final a) => a.id == id).name(context),
+                      ),
                     );
                   }
                 } catch (e, s) {
@@ -81,13 +83,32 @@ class _HomePageState extends State<HomePage> {
         }
       }
     });
+
+    unawaited(_checkMaintenanceMode());
   }
 
-  Future _showUnsupportedVersion(final String appName) async {
+  Future _checkMaintenanceMode() async {
+    try {
+      final status = await widget.account.client.core.getStatus();
+      if (status.maintenance) {
+        if (!mounted) {
+          return;
+        }
+        await _showProblem(
+          AppLocalizations.of(context).errorServerInMaintenanceMode,
+        );
+      }
+    } catch (e) {
+      debugPrint(e.toString());
+      ExceptionWidget.showSnackbar(context, e);
+    }
+  }
+
+  Future _showProblem(final String title) async {
     await showDialog(
       context: context,
       builder: (final context) => AlertDialog(
-        title: Text(AppLocalizations.of(context).errorUnsupportedVersion(appName)),
+        title: Text(title),
         actions: [
           ElevatedButton(
             style: ElevatedButton.styleFrom(
@@ -508,9 +529,6 @@ class _HomePageState extends State<HomePage> {
                                     Expanded(
                                       child: Column(
                                         children: [
-                                          ServerStatus(
-                                            account: widget.account,
-                                          ),
                                           ExceptionWidget(
                                             appsError,
                                             onRetry: () {

packages/neon/lib/src/pages/home/widgets/server_status.dart

@@ -1,35 +0,0 @@
-part of '../../../neon.dart';
-
-class ServerStatus extends StatefulWidget {
-  const ServerStatus({
-    required this.account,
-    super.key,
-  });
-
-  final Account account;
-
-  @override
-  State<ServerStatus> createState() => _ServerStatusState();
-}
-
-class _ServerStatusState extends State<ServerStatus> {
-  @override
-  void initState() {
-    super.initState();
-
-    WidgetsBinding.instance.addPostFrameCallback((final _) async {
-      try {
-        final status = await widget.account.client.core.getStatus();
-        if (status.maintenance && mounted) {
-          ExceptionWidget.showSnackbar(context, AppLocalizations.of(context).errorServerInMaintenanceMode);
-        }
-      } catch (e) {
-        debugPrint(e.toString());
-        ExceptionWidget.showSnackbar(context, e);
-      }
-    });
-  }
-
-  @override
-  Widget build(final BuildContext context) => Container();
-}