Prompt on app close when local node is running

lib/app.dart

@@ -89,6 +89,7 @@ class _PeyaAppState extends ConsumerState<PeyaApp> {
     _didInit = true;
     final tray = ref.read(trayServiceProvider);
     final windowLifecycle = ref.read(windowLifecycleServiceProvider);
+    windowLifecycle.onBeforeClose = _handleAppCloseRequest;
     await tray.init();
     await windowLifecycle.init();
     ref.read(syncSchedulerProvider);
@@ -233,7 +234,10 @@ class _PeyaAppState extends ConsumerState<PeyaApp> {
       },
       onSyncNow: () => ref.read(walletControllerProvider.notifier).syncNow(),
       onQuit: () async {
-        await ref.read(walletRepositoryProvider).closeWallet();
+        final shouldClose = await _handleAppCloseRequest();
+        if (!shouldClose) {
+          return;
+        }
         await tray.dispose();
         await windowManager.setPreventClose(false);
         await windowManager.close();
@@ -241,6 +245,62 @@ class _PeyaAppState extends ConsumerState<PeyaApp> {
     );
   }
 
+  Future<bool> _handleAppCloseRequest() async {
+    final config = ref.read(appConfigControllerProvider);
+    final localNodeService = ref.read(localNodeServiceProvider);
+    final shouldPromptForLocalNode = config.nodeConfig.mode == NodeMode.local &&
+        await localNodeService.isRunning(
+          config: LocalNodeConfig(extraArgs: config.localNodeArgs),
+        );
+    var shouldStopLocalNode = false;
+    if (shouldPromptForLocalNode) {
+      final l10n = AppLocalizations.of(context);
+      if (l10n == null || !mounted) {
+        return false;
+      }
+      final decision = await showDialog<bool?>(
+        context: context,
+        builder: (dialogContext) {
+          return AlertDialog(
+            title: Text(l10n.closeWalletNodeDialogTitle),
+            content: Text(l10n.closeWalletNodeDialogBody),
+            actions: [
+              TextButton(
+                onPressed: () => Navigator.of(dialogContext).pop(null),
+                child: Text(l10n.cancelAction),
+              ),
+              TextButton(
+                onPressed: () => Navigator.of(dialogContext).pop(false),
+                child: Text(l10n.closeWalletKeepNodeAction),
+              ),
+              ElevatedButton(
+                onPressed: () => Navigator.of(dialogContext).pop(true),
+                child: Text(l10n.closeWalletStopNodeAction),
+              ),
+            ],
+          );
+        },
+      );
+      if (decision == null) {
+        return false;
+      }
+      shouldStopLocalNode = decision;
+    }
+    if (shouldStopLocalNode) {
+      final stopped = await localNodeService.stop();
+      if (!stopped) {
+        if (mounted) {
+          _scaffoldMessengerKey.currentState?.showSnackBar(
+            SnackBar(content: Text(context.l10n.localNodeStopFailure)),
+          );
+        }
+        return false;
+      }
+    }
+    await ref.read(walletRepositoryProvider).closeWallet();
+    return true;
+  }
+
   void _showErrorSnackBar(String message) {
     WidgetsBinding.instance.addPostFrameCallback((_) {
       if (!mounted) {

lib/services/window_lifecycle_service.dart

@@ -10,12 +10,11 @@ class WindowLifecycleService with WindowListener {
   WindowLifecycleService({
     required this.trayService,
     required this.readConfig,
-    required this.onBeforeClose,
   });
 
   final TrayService trayService;
   final AppConfig Function() readConfig;
-  final Future<void> Function()? onBeforeClose;
+  Future<bool> Function()? onBeforeClose;
 
   bool _initialized = false;
   bool _isClosing = false;
@@ -42,7 +41,11 @@ class WindowLifecycleService with WindowListener {
     }
     _isClosing = true;
     if (onBeforeClose != null) {
-      await onBeforeClose!();
+      final shouldContinue = await onBeforeClose!();
+      if (!shouldContinue) {
+        _isClosing = false;
+        return;
+      }
     }
     await windowManager.setPreventClose(false);
     await windowManager.close();

lib/state/providers.dart

@@ -80,7 +80,6 @@ final windowLifecycleServiceProvider = Provider<WindowLifecycleService>((ref) {
   return WindowLifecycleService(
     trayService: tray,
     readConfig: () => ref.read(appConfigControllerProvider),
-    onBeforeClose: () => ref.read(walletRepositoryProvider).closeWallet(),
   );
 });