148 lines
4.5 KiB
Dart
148 lines
4.5 KiB
Dart
/*
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* Copyright (c) 2024-2025 Fabian Freund.
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*
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* This file is part of WebLibre
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* (see https://weblibre.eu).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import 'package:nullability/nullability.dart';
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import 'package:riverpod/riverpod.dart';
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import 'package:riverpod_annotation/riverpod_annotation.dart';
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import 'package:weblibre/core/logger.dart';
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import 'package:weblibre/data/models/web_page_info.dart';
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import 'package:weblibre/domain/services/generic_website.dart';
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import 'package:weblibre/extensions/ref_cache.dart';
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import 'package:weblibre/features/geckoview/domain/entities/states/tab.dart';
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import 'package:weblibre/features/geckoview/domain/providers/selected_tab.dart';
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import 'package:weblibre/features/geckoview/domain/providers/tab_state.dart';
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import 'package:weblibre/features/geckoview/features/tabs/domain/repositories/container.dart';
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import 'package:weblibre/features/geckoview/features/tabs/domain/repositories/tab.dart';
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import 'package:weblibre/features/tor/domain/services/tor_proxy.dart';
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part 'website_title.g.dart';
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const _supportedFetchSchemes = {'http', 'https'};
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@Riverpod()
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class CompletePageInfo extends _$CompletePageInfo {
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@override
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AsyncValue<WebPageInfo> build(TabState cached) {
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ref.cacheFor(const Duration(minutes: 2));
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if (cached.isPageInfoComplete ||
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!_supportedFetchSchemes.contains(cached.url.scheme)) {
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return AsyncData(cached);
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}
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ref.listen(
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fireImmediately: true,
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pageInfoProvider(cached.url, isImageRequest: false),
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(previous, next) {
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if (next.hasValue) {
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final current = stateOrNull?.value ?? cached;
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state = AsyncData(
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current.copyWith(
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//Cached is preferred as this comes from gecko and is more likely to be correct compared to manual request
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favicon: current.favicon ?? next.value!.favicon,
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feeds: current.feeds ?? next.value!.feeds,
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title: current.title.whenNotEmpty ?? next.value!.title,
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),
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);
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} else {
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state = next;
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}
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},
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onError: (error, stackTrace) {
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logger.e(
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'Error listening to pageInfoProvider',
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error: error,
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stackTrace: stackTrace,
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);
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},
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);
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ref.listen(
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fireImmediately: true,
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tabStateProvider(cached.id).select((value) => value?.title.whenNotEmpty),
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(previous, next) {
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if (next != null) {
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final current = stateOrNull?.value ?? cached;
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state = AsyncData(current.copyWith.title(next));
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}
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},
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);
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ref.listen(
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fireImmediately: true,
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tabStateProvider(cached.id).select((value) => value?.favicon),
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(previous, next) {
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if (next != null) {
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final current = stateOrNull?.value ?? cached;
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state = AsyncData(current.copyWith.favicon(next));
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}
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},
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);
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return AsyncData(cached);
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}
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}
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@Riverpod()
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Future<WebPageInfo> pageInfo(
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Ref ref,
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Uri url, {
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required bool isImageRequest,
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}) async {
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final link = ref.cacheFor(const Duration(minutes: 2));
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final tabId = ref.read(selectedTabProvider);
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int? proxyPort;
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if (tabId != null) {
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final containerId = await ref
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.read(tabDataRepositoryProvider.notifier)
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.getContainerTabId(tabId);
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final containerData = await containerId.mapNotNull(
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(containerId) => ref
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.read(containerRepositoryProvider.notifier)
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.getContainerData(containerId),
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);
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if (containerData?.metadata.useProxy == true) {
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proxyPort = await ref.read(torProxyServiceProvider.future);
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if (proxyPort == null) {
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throw Exception('Could not proxy request');
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}
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}
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}
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final result = await ref
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.watch(genericWebsiteServiceProvider.notifier)
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.fetchPageInfo(
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url: url,
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isImageRequest: isImageRequest,
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proxyPort: proxyPort,
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);
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if (!result.isSuccess) {
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link.close();
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}
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return result.value;
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}
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