implemented user backups

app/lib/core/routing/routes.browser.dart

@@ -73,6 +73,18 @@ part of 'routes.dart';
       path: 'profiles',
       routes: [
         TypedGoRoute<EditProfileRoute>(name: 'ProfileEditScreen', path: 'edit'),
+        TypedGoRoute<ProfileBackupListRoute>(
+          name: 'ProfileBackupListRoute',
+          path: 'backup_list',
+        ),
+        TypedGoRoute<RestoreProfileRoute>(
+          name: 'RestoreProfileRoute',
+          path: 'restore',
+        ),
+        TypedGoRoute<BackupProfileRoute>(
+          name: 'BackupProfileRoute',
+          path: 'backup',
+        ),
         TypedGoRoute<CreateProfileRoute>(
           name: 'CreateProfileRoute',
           path: 'create',
@@ -303,6 +315,37 @@ class EditProfileRoute extends GoRouteData with $EditProfileRoute {
   }
 }
 
+class BackupProfileRoute extends GoRouteData with $BackupProfileRoute {
+  final String profile;
+
+  const BackupProfileRoute({required this.profile});
+
+  @override
+  Widget build(BuildContext context, GoRouterState state) {
+    return ProfileBackupScreen(
+      profile: Profile.fromJson(jsonDecode(profile) as Map<String, dynamic>),
+    );
+  }
+}
+
+class RestoreProfileRoute extends GoRouteData with $RestoreProfileRoute {
+  final String backupFilePath;
+
+  const RestoreProfileRoute({required this.backupFilePath});
+
+  @override
+  Widget build(BuildContext context, GoRouterState state) {
+    return ProfileRestoreScreen(backupFile: File(backupFilePath));
+  }
+}
+
+class ProfileBackupListRoute extends GoRouteData with $ProfileBackupListRoute {
+  @override
+  Widget build(BuildContext context, GoRouterState state) {
+    return const ProfileBackupListScreen();
+  }
+}
+
 class BookmarkListRoute extends GoRouteData with $BookmarkListRoute {
   final String entryGuid;
 

app/lib/core/routing/routes.dart

@@ -18,6 +18,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 import 'dart:convert';
+import 'dart:io';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_mozilla_components/flutter_mozilla_components.dart';
@@ -64,8 +65,11 @@ import 'package:weblibre/features/settings/presentation/screens/web_engine_harde
 import 'package:weblibre/features/settings/presentation/screens/web_engine_settings.dart';
 import 'package:weblibre/features/tor/presentation/screens/tor_proxy.dart';
 import 'package:weblibre/features/user/domain/presentation/dialogs/select_profile.dart';
+import 'package:weblibre/features/user/domain/presentation/screens/profile_backup.dart';
+import 'package:weblibre/features/user/domain/presentation/screens/profile_backup_list.dart';
 import 'package:weblibre/features/user/domain/presentation/screens/profile_edit.dart';
 import 'package:weblibre/features/user/domain/presentation/screens/profile_list.dart';
+import 'package:weblibre/features/user/domain/presentation/screens/profile_restore.dart';
 import 'package:weblibre/features/web_feed/presentation/add_feed_dialog.dart';
 import 'package:weblibre/features/web_feed/presentation/screens/feed_article.dart';
 import 'package:weblibre/features/web_feed/presentation/screens/feed_article_list.dart';

app/lib/core/routing/routes.g.dart

@@ -457,6 +457,21 @@ RouteBase get $browserRoute => GoRouteData.$route(
           name: 'ProfileEditScreen',
           factory: $EditProfileRoute._fromState,
         ),
+        GoRouteData.$route(
+          path: 'backup_list',
+          name: 'ProfileBackupListRoute',
+          factory: $ProfileBackupListRoute._fromState,
+        ),
+        GoRouteData.$route(
+          path: 'restore',
+          name: 'RestoreProfileRoute',
+          factory: $RestoreProfileRoute._fromState,
+        ),
+        GoRouteData.$route(
+          path: 'backup',
+          name: 'BackupProfileRoute',
+          factory: $BackupProfileRoute._fromState,
+        ),
         GoRouteData.$route(
           path: 'create',
           name: 'CreateProfileRoute',
@@ -880,6 +895,81 @@ mixin $EditProfileRoute on GoRouteData {
   void replace(BuildContext context) => context.replace(location);
 }
 
+mixin $ProfileBackupListRoute on GoRouteData {
+  static ProfileBackupListRoute _fromState(GoRouterState state) =>
+      ProfileBackupListRoute();
+
+  @override
+  String get location => GoRouteData.$location('/browser/profiles/backup_list');
+
+  @override
+  void go(BuildContext context) => context.go(location);
+
+  @override
+  Future<T?> push<T>(BuildContext context) => context.push<T>(location);
+
+  @override
+  void pushReplacement(BuildContext context) =>
+      context.pushReplacement(location);
+
+  @override
+  void replace(BuildContext context) => context.replace(location);
+}
+
+mixin $RestoreProfileRoute on GoRouteData {
+  static RestoreProfileRoute _fromState(GoRouterState state) =>
+      RestoreProfileRoute(
+        backupFilePath: state.uri.queryParameters['backup-file-path']!,
+      );
+
+  RestoreProfileRoute get _self => this as RestoreProfileRoute;
+
+  @override
+  String get location => GoRouteData.$location(
+    '/browser/profiles/restore',
+    queryParams: {'backup-file-path': _self.backupFilePath},
+  );
+
+  @override
+  void go(BuildContext context) => context.go(location);
+
+  @override
+  Future<T?> push<T>(BuildContext context) => context.push<T>(location);
+
+  @override
+  void pushReplacement(BuildContext context) =>
+      context.pushReplacement(location);
+
+  @override
+  void replace(BuildContext context) => context.replace(location);
+}
+
+mixin $BackupProfileRoute on GoRouteData {
+  static BackupProfileRoute _fromState(GoRouterState state) =>
+      BackupProfileRoute(profile: state.uri.queryParameters['profile']!);
+
+  BackupProfileRoute get _self => this as BackupProfileRoute;
+
+  @override
+  String get location => GoRouteData.$location(
+    '/browser/profiles/backup',
+    queryParams: {'profile': _self.profile},
+  );
+
+  @override
+  void go(BuildContext context) => context.go(location);
+
+  @override
+  Future<T?> push<T>(BuildContext context) => context.push<T>(location);
+
+  @override
+  void pushReplacement(BuildContext context) =>
+      context.pushReplacement(location);
+
+  @override
+  void replace(BuildContext context) => context.replace(location);
+}
+
 mixin $CreateProfileRoute on GoRouteData {
   static CreateProfileRoute _fromState(GoRouterState state) =>
       CreateProfileRoute();