feat: add remote pull and push

lib/app/app.dart

@@ -6,6 +6,7 @@ import 'app_lifecycle_lock.dart';
 import '../models/settings.dart';
 import '../viewmodels/admin_pin_view_model.dart';
 import '../viewmodels/pin_lock_view_model.dart';
+import '../viewmodels/remote_sync_view_model.dart';
 import '../viewmodels/settings_view_model.dart';
 import '../theme.dart';
 import '../l10n/app_localizations.dart';
@@ -31,6 +32,12 @@ class _KoolTabAppState extends State<KoolTabApp> {
         context.read<PinLockViewModel>().lock();
         context.read<AdminPinViewModel>().lock();
       },
+      onBackground: () {
+        context.read<RemoteSyncViewModel>().pause();
+      },
+      onForeground: () {
+        context.read<RemoteSyncViewModel>().resume();
+      },
       shouldLock: () =>
           context.read<SettingsViewModel>().settings.autoLockEnabled,
     );

lib/app/app_bootstrap.dart

@@ -7,6 +7,7 @@ import '../services/default_product_seeder.dart';
 import '../services/export_service.dart';
 import '../viewmodels/bar_screen_view_model.dart';
 import '../viewmodels/product_list_view_model.dart';
+import '../viewmodels/remote_sync_view_model.dart';
 
 class AppBootstrap extends StatefulWidget {
   final Widget child;
@@ -33,6 +34,8 @@ class _AppBootstrapState extends State<AppBootstrap> {
 
       DefaultExportService(database: database).uploadToServer();
 
+      context.read<RemoteSyncViewModel>().init();
+
       SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky);
     });
   }
@@ -41,4 +44,4 @@ class _AppBootstrapState extends State<AppBootstrap> {
   Widget build(BuildContext context) {
     return widget.child;
   }
-}
+}

lib/app/app_lifecycle_lock.dart

@@ -2,9 +2,16 @@ import 'package:flutter/material.dart';
 
 class AppLifecycleLockObserver extends WidgetsBindingObserver {
   final VoidCallback onLock;
+  final VoidCallback? onBackground;
+  final VoidCallback? onForeground;
   final bool Function()? shouldLock;
 
-  AppLifecycleLockObserver({required this.onLock, this.shouldLock});
+  AppLifecycleLockObserver({
+    required this.onLock,
+    this.onBackground,
+    this.onForeground,
+    this.shouldLock,
+  });
 
   @override
   void didChangeAppLifecycleState(AppLifecycleState state) {
@@ -14,8 +21,9 @@ class AppLifecycleLockObserver extends WidgetsBindingObserver {
       case AppLifecycleState.paused:
       case AppLifecycleState.detached:
         if (shouldLock?.call() ?? true) onLock();
+        onBackground?.call();
       case AppLifecycleState.resumed:
-        break;
+        onForeground?.call();
     }
   }
 }

lib/app/router.dart

@@ -14,6 +14,7 @@ import '../views/import_names_view.dart';
 import '../views/pin_lock_view.dart';
 import '../views/product_form_view.dart';
 import '../views/product_list_view.dart';
+import '../views/registration_view.dart';
 import '../views/settings_view.dart';
 import '../views/update_progress_view.dart';
 import '../utils/app_update_util.dart';
@@ -23,6 +24,7 @@ final RouteObserver<PageRoute> routeObserver = RouteObserver<PageRoute>();
 String? _redirectApp({
   required PinLockViewModel pinLockViewModel,
   required AdminPinViewModel adminPinViewModel,
+  required ValueNotifier<bool> isConfiguredNotifier,
   required GoRouterState state,
 }) {
   if (!pinLockViewModel.hasLoaded || !adminPinViewModel.hasLoaded) {
@@ -30,6 +32,18 @@ String? _redirectApp({
   }
 
   final location = state.uri.path;
+  final isConfigured = isConfiguredNotifier.value;
+
+  if (!isConfigured && location != '/register') {
+    return '/register';
+  }
+
+  if (isConfigured && location == '/register') {
+    return '/bar';
+  }
+
+  if (!isConfigured) return null;
+
   final goingToLock = location == '/lock';
   final goingToAdminLock = location == '/admin/lock';
   final mustBeOnLock = _mustBeOnLock(pinLockViewModel);
@@ -83,19 +97,31 @@ bool _isDebugShortcutArea(String location) {
 
 GoRouter createAppRouter(PinLockViewModel pinLockViewModel, {
   required AdminPinViewModel adminPinViewModel,
+  required ValueNotifier<bool> isConfiguredNotifier,
 }) {
   return GoRouter(
     initialLocation: '/bar',
     observers: [routeObserver, SentryNavigatorObserver()],
-    refreshListenable: Listenable.merge([pinLockViewModel, adminPinViewModel]),
+    refreshListenable: Listenable.merge([
+      pinLockViewModel,
+      adminPinViewModel,
+      isConfiguredNotifier,
+    ]),
     redirect: (_, state) =>
         _redirectApp(
           pinLockViewModel: pinLockViewModel,
           adminPinViewModel: adminPinViewModel,
+          isConfiguredNotifier: isConfiguredNotifier,
           state: state,
         ),
     routes: [
       GoRoute(path: '/', redirect: (context, state) => '/bar'),
+
+      GoRoute(
+        path: '/register',
+        builder: (context, state) => const RegistrationView(),
+      ),
+
       GoRoute(
         path: '/lock',
         builder: (context, state) =>
@@ -187,4 +213,4 @@ GoRouter createAppRouter(PinLockViewModel pinLockViewModel, {
       ),
     ],
   );
-}
+}