Surface/lib/screens/post/post_shuffle.dart
LittleSheep 9cc577adbe Programs, members
🐛 Fix web assets redirecting issue
2025-03-23 22:34:58 +08:00

128 lines
4.1 KiB
Dart

import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:flutter_card_swiper/flutter_card_swiper.dart';
import 'package:material_symbols_icons/symbols.dart';
import 'package:provider/provider.dart';
import 'package:styled_widget/styled_widget.dart';
import 'package:surface/providers/post.dart';
import 'package:surface/types/post.dart';
import 'package:surface/widgets/dialog.dart';
import 'package:surface/widgets/navigation/app_scaffold.dart';
import 'package:surface/widgets/post/post_item.dart';
class PostShuffleScreen extends StatefulWidget {
const PostShuffleScreen({super.key});
@override
State<PostShuffleScreen> createState() => _PostShuffleScreenState();
}
class _PostShuffleScreenState extends State<PostShuffleScreen> {
late final CardSwiperController _cardController = CardSwiperController();
bool _isBusy = false;
final List<SnPost> _posts = List.empty(growable: true);
Future<void> _fetchPosts() async {
_posts.clear();
setState(() => _isBusy = true);
try {
final pt = context.read<SnPostContentProvider>();
final result =
await pt.listPosts(take: 10, offset: _posts.length, isShuffle: true);
_posts.addAll(result.$1);
} catch (err) {
if (!mounted) return;
context.showErrorDialog(err);
} finally {
setState(() => _isBusy = false);
}
}
@override
void initState() {
super.initState();
_fetchPosts();
}
@override
void dispose() {
super.dispose();
_cardController.dispose();
}
@override
Widget build(BuildContext context) {
return AppScaffold(
appBar: AppBar(title: Text('postShuffle').tr()),
body: Stack(
children: [
Column(
children: [
if (_isBusy || _posts.isEmpty)
const Expanded(
child: Center(child: CircularProgressIndicator()))
else
Expanded(
child: CardSwiper(
controller: _cardController,
isLoop: false,
padding: EdgeInsets.zero,
cardsCount: _posts.length,
cardBuilder: (context, idx, _, __) {
final ele = _posts[idx];
return SingleChildScrollView(
child: Center(
child: Card(
color: Theme.of(context).colorScheme.surface,
child: OpenablePostItem(
key: ValueKey(ele),
data: ele,
maxWidth: 640,
onChanged: (ele) {
_posts[idx] = ele;
setState(() {});
},
onDeleted: () {
_fetchPosts();
},
).padding(all: 8),
).padding(
all: 24,
bottom:
MediaQuery.of(context).padding.bottom + 16 + 50,
),
),
);
},
onEnd: () {
_fetchPosts();
},
),
),
],
),
if (!_isBusy && _posts.isNotEmpty)
Positioned(
bottom: MediaQuery.of(context).padding.bottom + 16,
left: 16,
right: 16,
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
IconButton.filled(
icon: const Icon(Symbols.next_plan),
color: Theme.of(context).colorScheme.onPrimary,
onPressed: () {
_cardController.swipe(CardSwiperDirection.right);
},
),
],
),
),
],
),
);
}
}