implemented chat archive

app/lib/core/routing/routes.dart

@@ -1,5 +1,7 @@
 import 'package:bang_navigator/core/routing/dialog_page.dart';
 import 'package:bang_navigator/features/about/presentation/screens/about.dart';
+import 'package:bang_navigator/features/chat_archive/presentation/screens/detail.dart';
+import 'package:bang_navigator/features/chat_archive/presentation/screens/list.dart';
 import 'package:bang_navigator/features/search_browser/presentation/screens/browser.dart';
 import 'package:bang_navigator/features/settings/presentation/screens/settings.dart';
 import 'package:flutter/material.dart';
@@ -15,10 +17,6 @@ part 'routes.g.dart';
       name: 'AboutRoute',
       path: 'about',
     ),
-    TypedGoRoute<SettingsRoute>(
-      name: 'SettingsRoute',
-      path: 'settings',
-    ),
   ],
 )
 class KagiRoute extends GoRouteData {
@@ -30,6 +28,17 @@ class KagiRoute extends GoRouteData {
   }
 }
 
+class AboutRoute extends GoRouteData {
+  @override
+  Page<void> buildPage(BuildContext context, GoRouterState state) {
+    return DialogPage(builder: (_) => const AboutDialogScreen());
+  }
+}
+
+@TypedGoRoute<SettingsRoute>(
+  name: 'SettingsRoute',
+  path: '/settings',
+)
 class SettingsRoute extends GoRouteData {
   @override
   Widget build(BuildContext context, GoRouterState state) {
@@ -37,9 +46,30 @@ class SettingsRoute extends GoRouteData {
   }
 }
 
-class AboutRoute extends GoRouteData {
+@TypedGoRoute<ChatArchiveListRoute>(
+  name: 'ChatArchiveListRoute',
+  path: '/chat_archive',
+  routes: [
+    TypedGoRoute<ChatArchiveDetailRoute>(
+      name: 'ChatArchiveDetailRoute',
+      path: 'detail/:fileName',
+    ),
+  ],
+)
+class ChatArchiveListRoute extends GoRouteData {
   @override
-  Page<void> buildPage(BuildContext context, GoRouterState state) {
+  Widget build(BuildContext context, GoRouterState state) {
-    return DialogPage(builder: (_) => const AboutDialogScreen());
+    return const ChatArchiveListScreen();
+  }
+}
+
+class ChatArchiveDetailRoute extends GoRouteData {
+  final String fileName;
+
+  const ChatArchiveDetailRoute({required this.fileName});
+
+  @override
+  Widget build(BuildContext context, GoRouterState state) {
+    return ChatArchiveDetailScreen(fileName);
   }
 }

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

@@ -8,6 +8,8 @@ part of 'routes.dart';
 
 List<RouteBase> get $appRoutes => [
       $kagiRoute,
+      $settingsRoute,
+      $chatArchiveListRoute,
     ];
 
 RouteBase get $kagiRoute => GoRouteData.$route(
@@ -20,11 +22,6 @@ RouteBase get $kagiRoute => GoRouteData.$route(
           name: 'AboutRoute',
           factory: $AboutRouteExtension._fromState,
         ),
-        GoRouteData.$route(
-          path: 'settings',
-          name: 'SettingsRoute',
-          factory: $SettingsRouteExtension._fromState,
-        ),
       ],
     );
 
@@ -62,6 +59,12 @@ extension $AboutRouteExtension on AboutRoute {
   void replace(BuildContext context) => context.replace(location);
 }
 
+RouteBase get $settingsRoute => GoRouteData.$route(
+      path: '/settings',
+      name: 'SettingsRoute',
+      factory: $SettingsRouteExtension._fromState,
+    );
+
 extension $SettingsRouteExtension on SettingsRoute {
   static SettingsRoute _fromState(GoRouterState state) => SettingsRoute();
 
@@ -78,3 +81,54 @@ extension $SettingsRouteExtension on SettingsRoute {
 
   void replace(BuildContext context) => context.replace(location);
 }
+
+RouteBase get $chatArchiveListRoute => GoRouteData.$route(
+      path: '/chat_archive',
+      name: 'ChatArchiveListRoute',
+      factory: $ChatArchiveListRouteExtension._fromState,
+      routes: [
+        GoRouteData.$route(
+          path: 'detail/:fileName',
+          name: 'ChatArchiveDetailRoute',
+          factory: $ChatArchiveDetailRouteExtension._fromState,
+        ),
+      ],
+    );
+
+extension $ChatArchiveListRouteExtension on ChatArchiveListRoute {
+  static ChatArchiveListRoute _fromState(GoRouterState state) =>
+      ChatArchiveListRoute();
+
+  String get location => GoRouteData.$location(
+        '/chat_archive',
+      );
+
+  void go(BuildContext context) => context.go(location);
+
+  Future<T?> push<T>(BuildContext context) => context.push<T>(location);
+
+  void pushReplacement(BuildContext context) =>
+      context.pushReplacement(location);
+
+  void replace(BuildContext context) => context.replace(location);
+}
+
+extension $ChatArchiveDetailRouteExtension on ChatArchiveDetailRoute {
+  static ChatArchiveDetailRoute _fromState(GoRouterState state) =>
+      ChatArchiveDetailRoute(
+        fileName: state.pathParameters['fileName']!,
+      );
+
+  String get location => GoRouteData.$location(
+        '/chat_archive/detail/${Uri.encodeComponent(fileName)}',
+      );
+
+  void go(BuildContext context) => context.go(location);
+
+  Future<T?> push<T>(BuildContext context) => context.push<T>(location);
+
+  void pushReplacement(BuildContext context) =>
+      context.pushReplacement(location);
+
+  void replace(BuildContext context) => context.replace(location);
+}

app/lib/features/chat_archive/data/repositories/chat_archive_file.dart

@@ -0,0 +1,61 @@
+import 'package:path/path.dart' as path;
+import 'package:path_provider/path_provider.dart' as path_provider;
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:universal_io/io.dart';
+import 'package:watcher/watcher.dart';
+
+part 'chat_archive_file.g.dart';
+
+@Riverpod()
+class ChatArchiveFileRepository extends _$ChatArchiveFileRepository {
+  final Future<Directory> _archiveDirectoryFuture;
+
+  ChatArchiveFileRepository()
+      : _archiveDirectoryFuture =
+            path_provider.getApplicationDocumentsDirectory().then(
+                  (documentDirectory) => Directory(
+                    path.join(documentDirectory.path, 'archive', 'chat'),
+                  ).create(recursive: true),
+                );
+
+  Future<List<FileSystemEntity>> list() {
+    return _archiveDirectoryFuture.then((value) => value.list().toList());
+  }
+
+  Future<void> write(String fileName, String contents) async {
+    final directory = await _archiveDirectoryFuture;
+    final file = File(path.join(directory.path, fileName));
+
+    await file.writeAsString(contents, flush: true);
+  }
+
+  Future<String?> read(String fileName) async {
+    final directory = await _archiveDirectoryFuture;
+    final file = File(path.join(directory.path, fileName));
+
+    if (!await file.exists()) {
+      return null;
+    }
+
+    return file.readAsString();
+  }
+
+  Future<void> delete(String fileName) async {
+    final directory = await _archiveDirectoryFuture;
+    final file = File(path.join(directory.path, fileName));
+
+    if (await file.exists()) {
+      await file.delete();
+    }
+  }
+
+  @override
+  Raw<Stream<WatchEvent>> build() async* {
+    final watcher = DirectoryWatcher(
+      await _archiveDirectoryFuture
+          .then((archiveDirectory) => archiveDirectory.absolute.path),
+    );
+
+    yield* watcher.events;
+  }
+}

app/lib/features/chat_archive/data/repositories/chat_archive_file.g.dart

@@ -0,0 +1,28 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'chat_archive_file.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$chatArchiveFileRepositoryHash() =>
+    r'50268506cf0c23ba1724ece6c9f44cb87be6299f';
+
+/// See also [ChatArchiveFileRepository].
+@ProviderFor(ChatArchiveFileRepository)
+final chatArchiveFileRepositoryProvider = AutoDisposeNotifierProvider<
+    ChatArchiveFileRepository, Raw<Stream<WatchEvent>>>.internal(
+  ChatArchiveFileRepository.new,
+  name: r'chatArchiveFileRepositoryProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$chatArchiveFileRepositoryHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef _$ChatArchiveFileRepository
+    = AutoDisposeNotifier<Raw<Stream<WatchEvent>>>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member

app/lib/features/chat_archive/domain/entities/chat_entity.dart

@@ -0,0 +1,23 @@
+class ChatEntity {
+  static final _namePattern = RegExp(r"^(.*?) - (.*?)\.md$");
+
+  final String fileName;
+
+  final String? name;
+  final DateTime? dateTime;
+
+  ChatEntity._(this.fileName, {this.name, this.dateTime});
+
+  factory ChatEntity.fromFileName(String fileName) {
+    final match = _namePattern.firstMatch(fileName);
+
+    return ChatEntity._(
+      fileName,
+      name: match?.group(1),
+      dateTime: (match != null) ? DateTime.tryParse(match.group(2)!) : null,
+    );
+  }
+
+  @override
+  String toString() => name ?? fileName;
+}

app/lib/features/chat_archive/domain/repositories/chat_archive.dart

@@ -0,0 +1,72 @@
+import 'package:bang_navigator/features/chat_archive/data/repositories/chat_archive_file.dart';
+import 'package:bang_navigator/features/chat_archive/domain/entities/chat_entity.dart';
+import 'package:bang_navigator/features/kagi/data/services/chat.dart';
+import 'package:exceptions/exceptions.dart';
+import 'package:path/path.dart' as path;
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:rxdart/rxdart.dart';
+
+part 'chat_archive.g.dart';
+
+@Riverpod()
+class ChatArchiveRepository extends _$ChatArchiveRepository {
+  Future<List<ChatEntity>> _listArchivedChats() async {
+    final files =
+        await ref.read(chatArchiveFileRepositoryProvider.notifier).list();
+
+    return files
+        .where((file) => path.extension(file.path) == '.md')
+        .map((file) => ChatEntity.fromFileName(path.basename(file.path)))
+        .toList();
+  }
+
+  Future<Result<void>> archiveChat(String fileName, Uri url) async {
+    final contentsResult =
+        await ref.read(kagiChatServiceProvider.notifier).downloadChat(url);
+
+    return contentsResult.flatMapAsync(
+      (contents) => ref
+          .read(chatArchiveFileRepositoryProvider.notifier)
+          .write(fileName, contents),
+    );
+  }
+
+  Future<Result<String>> readChat(String fileName) async {
+    final contentsResult = await Result.fromAsync(
+      () => ref.read(chatArchiveFileRepositoryProvider.notifier).read(fileName),
+    );
+
+    return contentsResult.fold(
+      (value) => (value == null)
+          ? Result.failure(
+              ErrorMessage(
+                source: 'Chat Archive',
+                message: 'Chat $fileName not found',
+              ),
+            )
+          : Result.success(value),
+      onFailure: Result.failure,
+    );
+  }
+
+  @override
+  Stream<List<ChatEntity>> build() async* {
+    final fileRepository = ref.watch(chatArchiveFileRepositoryProvider);
+
+    yield* ConcatStream([
+      _listArchivedChats().asStream(),
+      fileRepository.asyncMap(
+        (_) => _listArchivedChats(),
+      ),
+    ]);
+  }
+}
+
+@Riverpod()
+Future<String> readArchivedChat(
+    ReadArchivedChatRef ref, String fileName) async {
+  final result =
+      await ref.read(chatArchiveRepositoryProvider.notifier).readChat(fileName);
+
+  return result.value;
+}

app/lib/features/chat_archive/domain/repositories/chat_archive.g.dart

@@ -0,0 +1,176 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'chat_archive.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$readArchivedChatHash() => r'e7d646a0ea22fe24d96e97f86c1d46fe83818508';
+
+/// Copied from Dart SDK
+class _SystemHash {
+  _SystemHash._();
+
+  static int combine(int hash, int value) {
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + value);
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + ((0x0007ffff & hash) << 10));
+    return hash ^ (hash >> 6);
+  }
+
+  static int finish(int hash) {
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
+    // ignore: parameter_assignments
+    hash = hash ^ (hash >> 11);
+    return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
+  }
+}
+
+/// See also [readArchivedChat].
+@ProviderFor(readArchivedChat)
+const readArchivedChatProvider = ReadArchivedChatFamily();
+
+/// See also [readArchivedChat].
+class ReadArchivedChatFamily extends Family<AsyncValue<String>> {
+  /// See also [readArchivedChat].
+  const ReadArchivedChatFamily();
+
+  /// See also [readArchivedChat].
+  ReadArchivedChatProvider call(
+    String fileName,
+  ) {
+    return ReadArchivedChatProvider(
+      fileName,
+    );
+  }
+
+  @override
+  ReadArchivedChatProvider getProviderOverride(
+    covariant ReadArchivedChatProvider provider,
+  ) {
+    return call(
+      provider.fileName,
+    );
+  }
+
+  static const Iterable<ProviderOrFamily>? _dependencies = null;
+
+  @override
+  Iterable<ProviderOrFamily>? get dependencies => _dependencies;
+
+  static const Iterable<ProviderOrFamily>? _allTransitiveDependencies = null;
+
+  @override
+  Iterable<ProviderOrFamily>? get allTransitiveDependencies =>
+      _allTransitiveDependencies;
+
+  @override
+  String? get name => r'readArchivedChatProvider';
+}
+
+/// See also [readArchivedChat].
+class ReadArchivedChatProvider extends AutoDisposeFutureProvider<String> {
+  /// See also [readArchivedChat].
+  ReadArchivedChatProvider(
+    String fileName,
+  ) : this._internal(
+          (ref) => readArchivedChat(
+            ref as ReadArchivedChatRef,
+            fileName,
+          ),
+          from: readArchivedChatProvider,
+          name: r'readArchivedChatProvider',
+          debugGetCreateSourceHash:
+              const bool.fromEnvironment('dart.vm.product')
+                  ? null
+                  : _$readArchivedChatHash,
+          dependencies: ReadArchivedChatFamily._dependencies,
+          allTransitiveDependencies:
+              ReadArchivedChatFamily._allTransitiveDependencies,
+          fileName: fileName,
+        );
+
+  ReadArchivedChatProvider._internal(
+    super._createNotifier, {
+    required super.name,
+    required super.dependencies,
+    required super.allTransitiveDependencies,
+    required super.debugGetCreateSourceHash,
+    required super.from,
+    required this.fileName,
+  }) : super.internal();
+
+  final String fileName;
+
+  @override
+  Override overrideWith(
+    FutureOr<String> Function(ReadArchivedChatRef provider) create,
+  ) {
+    return ProviderOverride(
+      origin: this,
+      override: ReadArchivedChatProvider._internal(
+        (ref) => create(ref as ReadArchivedChatRef),
+        from: from,
+        name: null,
+        dependencies: null,
+        allTransitiveDependencies: null,
+        debugGetCreateSourceHash: null,
+        fileName: fileName,
+      ),
+    );
+  }
+
+  @override
+  AutoDisposeFutureProviderElement<String> createElement() {
+    return _ReadArchivedChatProviderElement(this);
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return other is ReadArchivedChatProvider && other.fileName == fileName;
+  }
+
+  @override
+  int get hashCode {
+    var hash = _SystemHash.combine(0, runtimeType.hashCode);
+    hash = _SystemHash.combine(hash, fileName.hashCode);
+
+    return _SystemHash.finish(hash);
+  }
+}
+
+mixin ReadArchivedChatRef on AutoDisposeFutureProviderRef<String> {
+  /// The parameter `fileName` of this provider.
+  String get fileName;
+}
+
+class _ReadArchivedChatProviderElement
+    extends AutoDisposeFutureProviderElement<String> with ReadArchivedChatRef {
+  _ReadArchivedChatProviderElement(super.provider);
+
+  @override
+  String get fileName => (origin as ReadArchivedChatProvider).fileName;
+}
+
+String _$chatArchiveRepositoryHash() =>
+    r'c53b0d2704953a205c12357642237e15e8ffd3b1';
+
+/// See also [ChatArchiveRepository].
+@ProviderFor(ChatArchiveRepository)
+final chatArchiveRepositoryProvider = AutoDisposeStreamNotifierProvider<
+    ChatArchiveRepository, List<ChatEntity>>.internal(
+  ChatArchiveRepository.new,
+  name: r'chatArchiveRepositoryProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$chatArchiveRepositoryHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef _$ChatArchiveRepository = AutoDisposeStreamNotifier<List<ChatEntity>>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member

app/lib/features/chat_archive/presentation/screens/detail.dart

@@ -0,0 +1,138 @@
+import 'package:bang_navigator/core/routing/routes.dart';
+import 'package:bang_navigator/features/chat_archive/data/repositories/chat_archive_file.dart';
+import 'package:bang_navigator/features/chat_archive/domain/entities/chat_entity.dart';
+import 'package:bang_navigator/features/chat_archive/domain/repositories/chat_archive.dart';
+import 'package:bang_navigator/features/chat_archive/utils/markdown_to_text.dart';
+import 'package:bang_navigator/features/settings/data/repositories/settings_repository.dart';
+import 'package:bang_navigator/features/web_view/presentation/controllers/switch_new_tab.dart';
+import 'package:bang_navigator/presentation/widgets/failure_widget.dart';
+import 'package:bang_navigator/utils/ui_helper.dart' as ui_helper;
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:flutter_markdown/flutter_markdown.dart';
+import 'package:flutter_material_design_icons/flutter_material_design_icons.dart';
+import 'package:go_router/go_router.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:skeletonizer/skeletonizer.dart';
+
+class ChatArchiveDetailScreen extends HookConsumerWidget {
+  final String fileName;
+
+  const ChatArchiveDetailScreen(this.fileName, {super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final chatAsync = ref.watch(readArchivedChatProvider(fileName));
+
+    final entity = useMemoized(() => ChatEntity.fromFileName(fileName));
+
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(entity.toString()),
+        actions: [
+          MenuAnchor(
+            builder: (context, controller, child) {
+              return IconButton(
+                onPressed: () {
+                  if (controller.isOpen) {
+                    controller.close();
+                  } else {
+                    controller.open();
+                  }
+                },
+                icon: const Icon(Icons.more_vert),
+              );
+            },
+            menuChildren: [
+              MenuItemButton(
+                onPressed: () async {
+                  if (chatAsync.valueOrNull != null) {
+                    await Clipboard.setData(
+                      ClipboardData(
+                        text: await Future.microtask(
+                          () => markdownToText(chatAsync.valueOrNull!),
+                        ),
+                      ),
+                    );
+                  }
+                },
+                leadingIcon: const Icon(MdiIcons.textLong),
+                child: const Text('Copy as plain text'),
+              ),
+              MenuItemButton(
+                onPressed: () async {
+                  if (chatAsync.valueOrNull != null) {
+                    await Clipboard.setData(
+                      ClipboardData(
+                        text: chatAsync.valueOrNull!,
+                      ),
+                    );
+                  }
+                },
+                // ignore: deprecated_member_use
+                leadingIcon: const Icon(MdiIcons.languageMarkdown),
+                child: const Text('Copy as markdown'),
+              ),
+              const Divider(),
+              MenuItemButton(
+                onPressed: () async {
+                  await ref
+                      .read(chatArchiveFileRepositoryProvider.notifier)
+                      .delete(fileName);
+
+                  if (context.mounted) {
+                    context.pop();
+                  }
+                },
+                leadingIcon: const Icon(Icons.delete),
+                child: const Text('Delete'),
+              ),
+            ],
+          ),
+        ],
+      ),
+      body: Skeletonizer(
+        enabled: chatAsync.isLoading,
+        child: chatAsync.when(
+          data: (data) => Markdown(
+            data: data,
+            selectable: true,
+            onTapLink: (text, href, title) async {
+              if (href != null) {
+                if (Uri.parse(href) case final Uri url) {
+                  final launchExternal = ref
+                          .read(settingsRepositoryProvider)
+                          .valueOrNull
+                          ?.launchUrlExternal ??
+                      false;
+
+                  if (launchExternal) {
+                    await ui_helper.launchUrlFeedback(context, Uri.parse(href));
+                  } else {
+                    await ref
+                        .read(switchNewTabControllerProvider.notifier)
+                        .add(url);
+
+                    if (context.mounted) {
+                      context.go(KagiRoute().location);
+                    }
+                  }
+                }
+              }
+            },
+          ),
+          error: (error, stackTrace) {
+            return FailureWidget(
+              title: error.toString(),
+              onRetry: () => ref.refresh(readArchivedChatProvider(fileName)),
+            );
+          },
+          loading: () => const Bone.multiText(
+            lines: 10,
+          ),
+        ),
+      ),
+    );
+  }
+}

app/lib/features/chat_archive/presentation/screens/list.dart

@@ -0,0 +1,60 @@
+import 'package:bang_navigator/core/routing/routes.dart';
+import 'package:bang_navigator/features/chat_archive/domain/repositories/chat_archive.dart';
+import 'package:bang_navigator/presentation/widgets/failure_widget.dart';
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:skeletonizer/skeletonizer.dart';
+
+class ChatArchiveListScreen extends HookConsumerWidget {
+  const ChatArchiveListScreen({super.key});
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final chatsAsync = ref.watch(chatArchiveRepositoryProvider);
+
+    return Scaffold(
+      appBar: AppBar(title: const Text('Chat Archive')),
+      body: SafeArea(
+        child: Skeletonizer(
+          enabled: chatsAsync.isLoading,
+          child: chatsAsync.when(
+            data: (chats) {
+              return ListView.builder(
+                itemCount: chats.length,
+                itemBuilder: (context, index) {
+                  final chat = chats[index];
+
+                  return ListTile(
+                    title: Text(chat.toString()),
+                    subtitle: (chat.dateTime != null)
+                        ? Text(chat.dateTime.toString())
+                        : null,
+                    onTap: () async {
+                      await context.push(
+                        ChatArchiveDetailRoute(fileName: chat.fileName)
+                            .location,
+                      );
+                    },
+                  );
+                },
+              );
+            },
+            error: (error, stackTrace) {
+              return FailureWidget(
+                title: error.toString(),
+                onRetry: () => ref.refresh(chatArchiveRepositoryProvider),
+              );
+            },
+            loading: () => ListView.builder(
+              itemCount: 3,
+              itemBuilder: (context, index) => const ListTile(
+                title: Bone.text(),
+                subtitle: Bone.text(),
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

app/lib/features/chat_archive/utils/markdown_to_text.dart

@@ -0,0 +1,9 @@
+import 'package:html/parser.dart' as html_parser;
+import 'package:markdown/markdown.dart' as md;
+
+String markdownToText(String markdown) {
+  final html = md.markdownToHtml(markdown);
+  final document = html_parser.parse(html);
+
+  return document.body?.text ?? '';
+}

app/lib/features/kagi/data/services/chat.dart

@@ -0,0 +1,32 @@
+import 'package:bang_navigator/core/http_error_handler.dart';
+import 'package:bang_navigator/features/settings/data/repositories/settings_repository.dart';
+import 'package:exceptions/exceptions.dart';
+import 'package:http/http.dart' as http;
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'chat.g.dart';
+
+@Riverpod(keepAlive: true)
+class KagiChatService extends _$KagiChatService {
+  late http.Client _client;
+
+  @override
+  void build() {
+    _client = http.Client();
+  }
+
+  Future<Result<String>> downloadChat(Uri url) {
+    final kagiSession =
+        ref.read(settingsRepositoryProvider).valueOrNull?.kagiSession;
+
+    return Result.fromAsync(
+      () async {
+        final response = await _client
+            .get(url.replace(queryParameters: {'token': kagiSession}));
+
+        return response.body;
+      },
+      exceptionHandler: handleHttpError,
+    );
+  }
+}

app/lib/features/kagi/data/services/chat.g.dart

@@ -0,0 +1,26 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'chat.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$kagiChatServiceHash() => r'80ead208a1d7ca0da98bd20f11c99efd0d682c8f';
+
+/// See also [KagiChatService].
+@ProviderFor(KagiChatService)
+final kagiChatServiceProvider =
+    NotifierProvider<KagiChatService, void>.internal(
+  KagiChatService.new,
+  name: r'kagiChatServiceProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$kagiChatServiceHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef _$KagiChatService = Notifier<void>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member

app/lib/features/search_browser/presentation/screens/browser.dart

@@ -25,7 +25,6 @@ import 'package:flutter_material_design_icons/flutter_material_design_icons.dart
 import 'package:go_router/go_router.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:share_plus/share_plus.dart';
-import 'package:url_launcher/url_launcher.dart';
 
 class KagiScreen extends HookConsumerWidget {
   const KagiScreen({super.key});
@@ -208,6 +207,14 @@ class KagiScreen extends HookConsumerWidget {
                 child: const Text('Summarizer'),
               ),
               const Divider(),
+              MenuItemButton(
+                onPressed: () async {
+                  await context.push(ChatArchiveListRoute().location);
+                },
+                leadingIcon: const Icon(MdiIcons.archive),
+                child: const Text('Chat Archive'),
+              ),
+              const Divider(),
               MenuItemButton(
                 onPressed: () async {
                   await context.push(AboutRoute().location);

app/lib/features/settings/data/repositories/settings_repository.g.dart

@@ -7,7 +7,7 @@ part of 'settings_repository.dart';
 // **************************************************************************
 
 String _$settingsRepositoryHash() =>
-    r'1e1dc6c76bdcaf742335bf8e11a584093ec13f33';
+    r'2b715f29915e541cec5c7c0993c8099944989f48';
 
 /// See also [SettingsRepository].
 @ProviderFor(SettingsRepository)

app/lib/features/settings/presentation/controllers/save_settings.dart

@@ -3,7 +3,7 @@ import 'package:riverpod_annotation/riverpod_annotation.dart';
 
 part 'save_settings.g.dart';
 
-@riverpod
+@Riverpod()
 class SaveSettingsController extends _$SaveSettingsController {
   @override
   FutureOr<void> build() {}

app/lib/features/settings/presentation/controllers/save_settings.g.dart

@@ -7,7 +7,7 @@ part of 'save_settings.dart';
 // **************************************************************************
 
 String _$saveSettingsControllerHash() =>
-    r'861664dc6e526737adff645597b141c2ba9d97c1';
+    r'f03cbb1a3a04f974560f5b6f0312fcc54ec25c54';
 
 /// See also [SaveSettingsController].
 @ProviderFor(SaveSettingsController)

app/lib/features/web_view/presentation/widgets/web_view.dart

@@ -1,6 +1,8 @@
 import 'dart:async';
 
 import 'package:bang_navigator/core/logger.dart';
+import 'package:bang_navigator/features/chat_archive/domain/entities/chat_entity.dart';
+import 'package:bang_navigator/features/chat_archive/domain/repositories/chat_archive.dart';
 import 'package:bang_navigator/features/search_browser/domain/entities/modes.dart';
 import 'package:bang_navigator/features/search_browser/domain/entities/sheet.dart';
 import 'package:bang_navigator/features/search_browser/domain/providers.dart';
@@ -10,6 +12,7 @@ import 'package:bang_navigator/features/settings/data/repositories/settings_repo
 import 'package:bang_navigator/features/web_view/domain/entities/web_view_page.dart';
 import 'package:bang_navigator/features/web_view/presentation/controllers/switch_new_tab.dart';
 import 'package:bang_navigator/features/web_view/presentation/widgets/web_page_dialog.dart';
+import 'package:bang_navigator/features/web_view/utils/download_helper.dart';
 import 'package:bang_navigator/features/web_view/utils/favicon_helper.dart';
 import 'package:bang_navigator/utils/platform_util.dart' as platform_util;
 import 'package:bang_navigator/utils/ui_helper.dart' as ui_helper;
@@ -328,18 +331,40 @@ class _WebViewState extends ConsumerState<WebView> {
           onTitleChanged: (controller, title) {
             widget.updatePage((page) => page.copyWith.title(title));
           },
+          onDownloadStartRequest: (controller, downloadStartRequest) async {
+            final fileName = getDispositionFileName(
+              downloadStartRequest.contentDisposition!,
+            );
 
-          // onDownloadStartRequest: (controller, downloadStartRequest) {
+            if (fileName != null) {
-          // final regex = RegExp(
+              final entity = ChatEntity.fromFileName(fileName);
-          //   r"filename\*=UTF-8''([\w%\-\.]+)(?:; ?|$)",
+              if (entity.name != null) {
-          //   caseSensitive: false,
+                final fileWrite = await ref
-          // );
+                    .read(chatArchiveRepositoryProvider.notifier)
+                    .archiveChat(fileName, downloadStartRequest.url);
 
-          // final math =
+                fileWrite.map(
-          //     regex.firstMatch(downloadStartRequest.contentDisposition!);
+                  onSuccess: (_) {
-
+                    ScaffoldMessenger.of(context).showSnackBar(
-          // print(math);
+                      SnackBar(
-          // },
+                        backgroundColor: Colors.green,
+                        content: Text(
+                          'Conversation "$entity" saved successfully!',
+                          style: const TextStyle(color: Colors.white),
+                        ),
+                      ),
+                    );
+                  },
+                  onFailure: (errorMessage) {
+                    ui_helper.showErrorMessage(
+                      context,
+                      errorMessage.toString(),
+                    );
+                  },
+                );
+              }
+            }
+          },
         ),
         HookBuilder(
           builder: (context) {

app/pubspec.lock

@@ -676,7 +676,7 @@ packages:
     source: hosted
     version: "1.2.0"
   markdown:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: markdown
       sha256: ef2a1298144e3f985cc736b22e0ccdaf188b5b3970648f2d9dc13efd1d9df051
@@ -740,7 +740,7 @@ packages:
     source: hosted
     version: "3.0.0"
   path:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path
       sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
@@ -748,7 +748,7 @@ packages:
     source: hosted
     version: "1.9.0"
   path_provider:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path_provider
       sha256: c9e7d3a4cd1410877472158bee69963a4579f78b68c65a2b7d40d1a7a88bb161
@@ -1217,7 +1217,7 @@ packages:
     source: hosted
     version: "14.2.3"
   watcher:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: watcher
       sha256: "3d2ad6751b3c16cf07c7fca317a1413b3f26530319181b37e3b9039b84fc01d8"

app/pubspec.yaml

@@ -29,8 +29,11 @@ dependencies:
   html: ^0.15.4
   http: ^1.2.1
   logger: ^2.2.0
+  markdown: ^7.2.2
   mime: ^1.0.5
   package_info_plus: ^8.0.0
+  path: ^1.9.0
+  path_provider: ^2.1.3
   riverpod: ^2.5.1
   riverpod_annotation: ^2.3.5
   rxdart: ^0.27.7
@@ -42,6 +45,7 @@ dependencies:
   universal_io: ^2.2.2
   uri_to_file: ^1.0.0
   url_launcher: ^6.2.5
+  watcher: ^1.1.0
 
 dev_dependencies:
   build_runner: ^2.4.9