381 lines
13 KiB
Dart
381 lines
13 KiB
Dart
import 'package:cached_network_image/cached_network_image.dart';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:lemmy_api_client/v3.dart';
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import 'package:url_launcher/url_launcher.dart' as ul;
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import '../hooks/stores.dart';
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import '../l10n/l10n.dart';
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import '../util/extensions/api.dart';
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import '../util/extensions/spaced.dart';
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import '../util/goto.dart';
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import '../util/more_icon.dart';
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import '../util/share.dart';
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import '../util/text_color.dart';
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import '../widgets/avatar.dart';
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import '../widgets/bottom_modal.dart';
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import '../widgets/fullscreenable_image.dart';
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import '../widgets/info_table_popup.dart';
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import '../widgets/markdown_text.dart';
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import '../widgets/reveal_after_scroll.dart';
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import '../widgets/sortable_infinite_list.dart';
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import 'communities_list.dart';
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import 'modlog_page.dart';
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import 'users_list.dart';
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/// Displays posts, comments, and general info about the given instance
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class InstancePage extends HookWidget {
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final String instanceHost;
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final Future<FullSiteView> siteFuture;
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final Future<List<CommunityView>> communitiesFuture;
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InstancePage({required this.instanceHost})
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: siteFuture = LemmyApiV3(instanceHost).run(const GetSite()),
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communitiesFuture = LemmyApiV3(instanceHost).run(const ListCommunities(
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type: PostListingType.local, sort: SortType.hot, limit: 6));
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final siteSnap = useFuture(siteFuture, initialData: null);
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final colorOnCard = textColorBasedOnBackground(theme.cardColor);
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final accStore = useAccountsStore();
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final scrollController = useScrollController();
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if (!siteSnap.hasData || siteSnap.data!.siteView == null) {
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return Scaffold(
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appBar: AppBar(),
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body: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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if (siteSnap.hasError) ...[
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const Icon(Icons.error),
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Padding(
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padding: const EdgeInsets.all(8),
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child: Text('ERROR: ${siteSnap.error}'),
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)
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] else if (siteSnap.hasData && siteSnap.data!.siteView == null)
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const Text('ERROR')
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else
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const CircularProgressIndicator(semanticsLabel: 'loading')
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],
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),
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),
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);
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}
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final site = siteSnap.data!;
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final siteView = site.siteView!;
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void _share() => share('https://$instanceHost', context: context);
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void _openMoreMenu() {
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showBottomModal(
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context: context,
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builder: (context) => Column(
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children: [
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ListTile(
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leading: const Icon(Icons.open_in_browser),
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title: const Text('Open in browser'),
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onTap: () async => await ul
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.canLaunch('https://${site.instanceHost}')
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? ul.launch('https://${site.instanceHost}')
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: ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text("can't open in browser"))),
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),
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ListTile(
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leading: const Icon(Icons.info_outline),
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title: const Text('Nerd stuff'),
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onTap: () {
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showInfoTablePopup(context: context, table: site.toJson());
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},
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),
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],
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),
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);
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}
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return Scaffold(
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body: DefaultTabController(
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length: 3,
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child: NestedScrollView(
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controller: scrollController,
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headerSliverBuilder: (context, innerBoxIsScrolled) => <Widget>[
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SliverAppBar(
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expandedHeight: 250,
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pinned: true,
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backgroundColor: theme.cardColor,
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title: RevealAfterScroll(
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after: 150,
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fade: true,
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scrollController: scrollController,
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child: Text(
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siteView.site.name,
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style: TextStyle(color: colorOnCard),
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),
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),
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actions: [
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IconButton(icon: const Icon(Icons.share), onPressed: _share),
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IconButton(icon: Icon(moreIcon), onPressed: _openMoreMenu),
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],
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flexibleSpace: FlexibleSpaceBar(
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background: Stack(children: [
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if (siteView.site.banner != null)
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FullscreenableImage(
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url: siteView.site.banner!,
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child: CachedNetworkImage(
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imageUrl: siteView.site.banner!,
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errorWidget: (_, __, ___) => const SizedBox.shrink(),
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),
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),
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SafeArea(
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child: Center(
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child: Column(
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children: [
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Padding(
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padding: const EdgeInsets.only(top: 40),
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child: siteView.site.icon == null
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? const SizedBox(height: 100, width: 100)
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: FullscreenableImage(
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url: siteView.site.icon!,
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child: CachedNetworkImage(
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width: 100,
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height: 100,
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imageUrl: siteView.site.icon!,
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errorWidget: (_, __, ___) =>
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const Icon(Icons.warning),
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),
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),
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),
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Text(siteView.site.name,
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style: theme.textTheme.headline6),
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Text(instanceHost, style: theme.textTheme.caption)
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],
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),
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),
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),
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]),
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),
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bottom: PreferredSize(
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preferredSize: const TabBar(tabs: []).preferredSize,
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child: Material(
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color: theme.cardColor,
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child: TabBar(
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tabs: [
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Tab(text: L10n.of(context)!.posts),
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Tab(text: L10n.of(context)!.comments),
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const Tab(text: 'About'),
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],
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),
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),
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),
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),
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],
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body: TabBarView(
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children: [
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InfinitePostList(
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fetcher: (page, batchSize, sort) =>
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LemmyApiV3(instanceHost).run(GetPosts(
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// TODO: switch between all and subscribed
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type: PostListingType.all,
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sort: sort,
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limit: batchSize,
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page: page,
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savedOnly: false,
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auth:
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accStore.defaultUserDataFor(instanceHost)?.jwt.raw,
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))),
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InfiniteCommentList(
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fetcher: (page, batchSize, sort) =>
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LemmyApiV3(instanceHost).run(GetComments(
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type: CommentListingType.all,
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sort: sort,
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limit: batchSize,
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page: page,
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savedOnly: false,
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auth:
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accStore.defaultUserDataFor(instanceHost)?.jwt.raw,
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))),
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_AboutTab(site,
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communitiesFuture: communitiesFuture,
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instanceHost: instanceHost),
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],
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),
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),
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),
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);
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}
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}
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class _AboutTab extends HookWidget {
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final FullSiteView site;
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final Future<List<CommunityView>> communitiesFuture;
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final String instanceHost;
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const _AboutTab(
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this.site, {
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required this.communitiesFuture,
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required this.instanceHost,
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});
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void goToBannedUsers(BuildContext context) {
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goTo(
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context,
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(_) => UsersListPage(
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users: site.banned.reversed.toList(),
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title: L10n.of(context)!.banned_users,
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),
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);
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}
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final commSnap = useFuture(communitiesFuture, initialData: null);
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final accStore = useAccountsStore();
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void goToCommunities() {
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goTo(
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context,
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(_) => CommunitiesListPage(
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fetcher: (page, batchSize, sortType) => LemmyApiV3(instanceHost).run(
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ListCommunities(
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type: PostListingType.local,
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sort: sortType,
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limit: batchSize,
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page: page,
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auth: accStore.defaultUserDataFor(instanceHost)?.jwt.raw,
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),
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),
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title: 'Communities of ${site.siteView?.site.name}',
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),
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);
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}
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final siteView = site.siteView;
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if (siteView == null) {
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return const SingleChildScrollView(
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child: Center(
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child: Padding(
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padding: EdgeInsets.all(16),
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child: Text('error'),
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)));
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}
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return SingleChildScrollView(
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child: SafeArea(
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top: false,
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child: Column(
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children: [
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if (siteView.site.description != null) ...[
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Padding(
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padding:
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const EdgeInsets.symmetric(horizontal: 15, vertical: 15),
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child: MarkdownText(
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siteView.site.description!,
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instanceHost: instanceHost,
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),
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),
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const _Divider(),
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],
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SizedBox(
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height: 32,
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child: ListView(
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scrollDirection: Axis.horizontal,
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padding: const EdgeInsets.symmetric(horizontal: 15),
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children: [
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Chip(
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label: Text(L10n.of(context)!
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.number_of_users_online(site.online))),
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Chip(
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label: Text(L10n.of(context)!
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.number_of_users(siteView.counts.users))),
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Chip(
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label:
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Text('${siteView.counts.communities} communities')),
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Chip(label: Text('${siteView.counts.posts} posts')),
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Chip(label: Text('${siteView.counts.comments} comments')),
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].spaced(8),
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),
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),
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const _Divider(),
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ListTile(
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title: Center(
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child: Text(
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'Trending communities:',
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style: theme.textTheme.headline6?.copyWith(fontSize: 18),
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),
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),
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),
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if (commSnap.hasData)
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for (final c in commSnap.data!)
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ListTile(
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onTap: () => goToCommunity.byId(
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context, c.instanceHost, c.community.id),
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title: Text(c.community.name),
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leading: Avatar(url: c.community.icon),
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)
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else if (commSnap.hasError)
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Padding(
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padding: const EdgeInsets.all(8),
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child: Text("Can't load communities, ${commSnap.error}"),
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)
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else
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const Padding(
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padding: EdgeInsets.symmetric(vertical: 10),
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child: CircularProgressIndicator(),
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),
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ListTile(
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title: const Center(child: Text('See all')),
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onTap: goToCommunities,
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),
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const _Divider(),
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ListTile(
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title: Center(
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child: Text(
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'Admins:',
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style: theme.textTheme.headline6?.copyWith(fontSize: 18),
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),
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),
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),
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for (final u in site.admins)
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ListTile(
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title: Text(u.person.originDisplayName),
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subtitle: u.person.bio != null
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? MarkdownText(u.person.bio!, instanceHost: instanceHost)
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: null,
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onTap: () => goToUser.fromPersonSafe(context, u.person),
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leading: Avatar(url: u.person.avatar),
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),
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const _Divider(),
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ListTile(
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title: Center(child: Text(L10n.of(context)!.banned_users)),
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onTap: () => goToBannedUsers(context),
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),
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ListTile(
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title: Center(child: Text(L10n.of(context)!.modlog)),
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onTap: () => goTo(
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context,
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(context) => ModlogPage.forInstance(instanceHost: instanceHost),
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),
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),
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],
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),
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),
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);
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}
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}
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class _Divider extends StatelessWidget {
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const _Divider();
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@override
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Widget build(BuildContext context) => const Padding(
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padding: EdgeInsets.symmetric(horizontal: 15, vertical: 10),
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child: Divider(),
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);
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}
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