lemmur-app-android/lib/pages/instance.dart

439 lines
15 KiB
Dart

import 'package:cached_network_image/cached_network_image.dart';
import 'package:esys_flutter_share/esys_flutter_share.dart';
import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:intl/intl.dart';
import 'package:lemmy_api_client/lemmy_api_client.dart';
import 'package:url_launcher/url_launcher.dart' as ul;
import '../util/api_extensions.dart';
import '../util/goto.dart';
import '../util/text_color.dart';
import '../widgets/badge.dart';
import '../widgets/bottom_modal.dart';
import '../widgets/fullscreenable_image.dart';
import '../widgets/markdown_text.dart';
import 'communities_list.dart';
import 'users_list.dart';
class InstancePage extends HookWidget {
final String instanceUrl;
final Future<FullSiteView> siteFuture;
final Future<List<CommunityView>> communitiesFuture;
void _share() =>
Share.text('Share instance', 'https://$instanceUrl', 'text/plain');
InstancePage({@required this.instanceUrl})
: assert(instanceUrl != null),
siteFuture = LemmyApi(instanceUrl).v1.getSite(),
communitiesFuture =
LemmyApi(instanceUrl).v1.listCommunities(sort: SortType.hot);
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
final siteSnap = useFuture(siteFuture);
final colorOnCard = textColorBasedOnBackground(theme.cardColor);
if (!siteSnap.hasData) {
return Scaffold(
appBar: AppBar(
iconTheme: theme.iconTheme,
brightness: theme.brightness,
backgroundColor: theme.cardColor,
elevation: 0,
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
if (siteSnap.hasError) ...[
Icon(Icons.error),
Padding(
padding: const EdgeInsets.all(8),
child: Text('ERROR: ${siteSnap.error}'),
)
] else
CircularProgressIndicator(semanticsLabel: 'loading')
],
),
),
);
}
final site = siteSnap.data;
void _openMoreMenu(BuildContext c) {
showModalBottomSheet(
backgroundColor: Colors.transparent,
context: c,
builder: (context) => BottomModal(
child: Column(
children: [
ListTile(
leading: Icon(Icons.open_in_browser),
title: Text('Open in browser'),
onTap: () async => await ul.canLaunch('https://$instanceUrl')
? ul.launch('https://$instanceUrl')
: Scaffold.of(context).showSnackBar(
SnackBar(content: Text("can't open in browser"))),
),
ListTile(
leading: Icon(Icons.info_outline),
title: Text('Nerd stuff'),
onTap: () {
showDialog(
context: context,
child: SimpleDialog(
contentPadding: const EdgeInsets.symmetric(
horizontal: 20,
vertical: 15,
),
children: [
Table(
children: [
TableRow(children: [
Text('url:'),
Text(instanceUrl),
]),
TableRow(children: [
Text('creator:'),
Text('@${site.site.creatorName}')
]),
TableRow(children: [
Text('version:'),
Text(site.version),
]),
TableRow(children: [
Text('enableDownvotes:'),
Text(site.site.enableDownvotes.toString()),
]),
TableRow(children: [
Text('enableNsfw:'),
Text(site.site.enableNsfw.toString()),
]),
TableRow(children: [
Text('published:'),
Text(DateFormat.yMMMMd()
.format(site.site.published)),
]),
TableRow(children: [
Text('updated:'),
Text(DateFormat.yMMMMd()
.format(site.site.updated)),
]),
],
),
]));
},
),
],
),
),
);
}
return Scaffold(
body: DefaultTabController(
length: 3,
child: NestedScrollView(
headerSliverBuilder: (context, innerBoxIsScrolled) => <Widget>[
SliverAppBar(
brightness: theme.brightness,
expandedHeight: 200,
floating: false,
pinned: true,
elevation: 0,
backgroundColor: theme.cardColor,
iconTheme: theme.iconTheme,
title: Text(
site.site.name,
style: TextStyle(color: colorOnCard),
),
actions: [
IconButton(icon: Icon(Icons.share), onPressed: _share),
IconButton(
icon: Icon(Icons.more_vert),
onPressed: () => _openMoreMenu(context)),
],
flexibleSpace: FlexibleSpaceBar(
background: Stack(children: [
if (site.site.banner != null)
FullscreenableImage(
url: site.site.banner,
child: CachedNetworkImage(imageUrl: site.site.banner),
),
SafeArea(
child: Center(
child: Column(
children: [
Padding(
padding: const EdgeInsets.only(top: 40),
child: FullscreenableImage(
url: site.site.icon,
child: CachedNetworkImage(
width: 100,
height: 100,
imageUrl: site.site.icon),
),
),
Text(site.site.name,
style: theme.textTheme.headline6),
Text(instanceUrl, style: theme.textTheme.caption)
],
),
),
),
]),
),
),
SliverPersistentHeader(
delegate: _SliverAppBarDelegate(
TabBar(
labelColor: theme.textTheme.bodyText1.color,
unselectedLabelColor: Colors.grey,
tabs: [
Tab(text: 'Posts'),
Tab(text: 'Comments'),
Tab(text: 'About'),
],
),
),
pinned: true,
),
],
body: TabBarView(
children: [
ListView(
children: [
Center(child: Text('posts go here')),
],
),
ListView(
children: [
Center(child: Text('comments go here')),
],
),
_AboutTab(site,
communitiesFuture: communitiesFuture,
instanceUrl: instanceUrl),
],
),
),
),
);
}
}
class _SliverAppBarDelegate extends SliverPersistentHeaderDelegate {
_SliverAppBarDelegate(this._tabBar);
final TabBar _tabBar;
@override
double get minExtent => _tabBar.preferredSize.height;
@override
double get maxExtent => _tabBar.preferredSize.height;
@override
Widget build(
BuildContext context, double shrinkOffset, bool overlapsContent) {
final theme = Theme.of(context);
return Container(child: _tabBar, color: theme.cardColor);
}
@override
bool shouldRebuild(_SliverAppBarDelegate oldDelegate) => false;
}
class _AboutTab extends HookWidget {
final FullSiteView site;
final Future<List<CommunityView>> communitiesFuture;
final String instanceUrl;
const _AboutTab(this.site,
{@required this.communitiesFuture, @required this.instanceUrl})
: assert(communitiesFuture != null),
assert(instanceUrl != null);
void goToUser(int id) {
print('GO TO USER $id');
}
void goToModLog() {
print('GO TO MODLOG');
}
void goToBannedUsers(BuildContext c) {
Navigator.of(c).push(MaterialPageRoute(
builder: (_) => UsersListPage(
users: site.banned.reversed.toList(), title: 'Banned users'),
));
}
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
final commSnap = useFuture(communitiesFuture);
void goToCommunities() {
Navigator.of(context).push(MaterialPageRoute(
builder: (_) => CommunitiesListPage(
communities: commSnap.data,
title: 'Communities of ${site.site.name}'),
));
}
return SingleChildScrollView(
child: SafeArea(
top: false,
child: Column(
children: [
Padding(
padding: const EdgeInsets.symmetric(horizontal: 15, vertical: 15),
child: MarkdownText(
site.site.description,
instanceUrl: instanceUrl,
),
),
_Divider(),
SizedBox(
height: 25,
child: ListView(
scrollDirection: Axis.horizontal,
children: [
SizedBox(width: 7),
_Badge('X users online'),
_Badge('${site.site.numberOfUsers} users'),
_Badge('${site.site.numberOfCommunities} communities'),
_Badge('${site.site.numberOfPosts} posts'),
_Badge('${site.site.numberOfComments} comments'),
SizedBox(width: 15),
],
),
),
_Divider(),
ListTile(
title: Center(
child: Text(
'Trending communities:',
style: theme.textTheme.headline6.copyWith(fontSize: 18),
),
),
),
if (commSnap.hasData)
...commSnap.data.getRange(0, 6).map((e) => ListTile(
onTap: () =>
goToCommunity.byId(context, e.instanceUrl, e.id),
title: Text(e.name),
leading: e.icon != null
? CachedNetworkImage(
height: 50,
width: 50,
imageUrl: e.icon,
imageBuilder: (context, imageProvider) => Container(
decoration: BoxDecoration(
shape: BoxShape.circle,
image: DecorationImage(
fit: BoxFit.cover,
image: imageProvider,
),
),
))
: SizedBox(width: 50),
))
else if (commSnap.hasError)
Padding(
padding: const EdgeInsets.all(8.0),
child: Text("Can't load communities, ${commSnap.error}"),
)
else
Padding(
padding: const EdgeInsets.symmetric(vertical: 10),
child: CircularProgressIndicator(),
),
ListTile(
title: Center(child: Text('See all')),
onTap: goToCommunities,
),
_Divider(),
ListTile(
title: Center(
child: Text(
'Admins:',
style: theme.textTheme.headline6.copyWith(fontSize: 18),
),
),
),
...site.admins.map((e) => ListTile(
title: Text((e.preferredUsername == null ||
e.preferredUsername.isEmpty)
? '@${e.name}'
: e.preferredUsername),
subtitle: e.bio != null
? MarkdownText(e.bio, instanceUrl: instanceUrl)
: null,
onTap: () => goToUser(e.id),
leading: e.avatar != null
? CachedNetworkImage(
height: 50,
width: 50,
imageUrl: e.avatar,
imageBuilder: (context, imageProvider) => Container(
decoration: BoxDecoration(
shape: BoxShape.circle,
image: DecorationImage(
fit: BoxFit.cover, image: imageProvider),
),
))
: SizedBox(width: 50),
)),
_Divider(),
ListTile(
title: Center(child: Text('Banned users')),
onTap: () => goToBannedUsers(context),
),
ListTile(
title: Center(child: Text('Modlog')),
onTap: goToModLog,
),
SizedBox(height: 20),
],
),
),
);
}
}
class _Badge extends StatelessWidget {
final String text;
_Badge(this.text);
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
return Padding(
padding: const EdgeInsets.only(left: 8),
child: Badge(
child: Text(
text,
style:
TextStyle(color: textColorBasedOnBackground(theme.accentColor)),
),
// TODO: change border radius
),
);
}
}
class _Divider extends StatelessWidget {
@override
Widget build(BuildContext context) => Padding(
padding: const EdgeInsets.symmetric(horizontal: 15, vertical: 10),
child: Divider(),
);
}