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Initial Flutter booru app

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RarDog
2026-05-23 11:46:52 +03:00
commit 63da741295
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lib/features/feed/presentation/feed_screen.dart
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import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import '../../../app/app.dart';
import '../../../app/responsive.dart';
import '../../../backend/backend.dart';
import '../../../core/utils/result.dart';
import '../../../shared/widgets/adaptive_scaffold.dart';
import '../../../shared/widgets/empty_view.dart';
import '../../../shared/widgets/error_view.dart';
import '../../../shared/widgets/post_card.dart';
import '../../../shared/widgets/post_masonry_grid.dart';
import '../../collections/presentation/collection_form_dialog.dart';
import 'feed_controller.dart';
import 'widgets/feed_toolbar.dart';
class FeedScreen extends ConsumerStatefulWidget {
const FeedScreen({this.initialQuery, super.key});
final String? initialQuery;
@override
ConsumerState<FeedScreen> createState() => _FeedScreenState();
}
class _FeedScreenState extends ConsumerState<FeedScreen> {
final _scrollController = ScrollController();
bool _usedInitialQuery = false;
@override
void initState() {
super.initState();
_scrollController.addListener(() {
if (_scrollController.position.extentAfter < 800) {
ref.read(feedControllerProvider.notifier).loadNextPage();
}
});
}
@override
void dispose() {
_scrollController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final feed = ref.watch(feedControllerProvider);
final settings =
ref.watch(appSettingsProvider).value ?? AppSettings.defaults;
if (!_usedInitialQuery && (widget.initialQuery?.isNotEmpty ?? false)) {
_usedInitialQuery = true;
WidgetsBinding.instance.addPostFrameCallback((_) {
ref.read(feedControllerProvider.notifier).search(widget.initialQuery!);
});
}
return Shortcuts(
shortcuts: {
LogicalKeySet(LogicalKeyboardKey.keyR): const _RefreshIntent(),
},
child: Actions(
actions: {
_RefreshIntent: CallbackAction<_RefreshIntent>(
onInvoke: (_) {
ref.read(feedControllerProvider.notifier).refresh();
return null;
},
),
},
child: AdaptiveScaffold(
title: 'Feed',
body: feed.when(
loading: () => const Center(child: CircularProgressIndicator()),
error: (error, _) => ErrorView(
message: error.toString(),
onRetry: () =>
ref.read(feedControllerProvider.notifier).loadInitial(),
),
data: (state) => Column(
children: [
FeedToolbar(
selectedTags: state.selectedTags,
selectedProviderIds: state.selectedProviderIds,
topPeriodFilter: state.topPeriodFilter,
tagSuggestions: state.tagSuggestions,
providers: state.providers,
rating: state.ratingFilter,
onSearchChanged: (query) => ref
.read(feedControllerProvider.notifier)
.updateTagSuggestions(query),
onSuggestionTap: (query) =>
ref.read(feedControllerProvider.notifier).search(query),
onTopPeriodChanged: (period) => ref
.read(feedControllerProvider.notifier)
.setTopPeriod(period),
onSearch: (query) =>
ref.read(feedControllerProvider.notifier).search(query),
onRefresh: () =>
ref.read(feedControllerProvider.notifier).refresh(),
onClearFilters: () =>
ref.read(feedControllerProvider.notifier).clearFilters(),
onQuickProviderToggle: (providerId) {
if (providerId == '__all__') {
ref
.read(feedControllerProvider.notifier)
.setProviders([]);
return;
}
final selected =
state.selectedProviderIds.contains(providerId)
? state.selectedProviderIds
.where((id) => id != providerId)
.toList()
: [...state.selectedProviderIds, providerId];
ref
.read(feedControllerProvider.notifier)
.setProviders(selected);
},
onProviderFilter: () async {
final selected = await showProviderFilterSheet(
context,
providers: state.providers,
selectedIds: state.selectedProviderIds,
);
if (selected != null) {
await ref
.read(feedControllerProvider.notifier)
.setProviders(selected);
}
},
onRatingFilter: () async {
final rating = await showRatingFilterSheet(
context, state.ratingFilter);
await ref
.read(feedControllerProvider.notifier)
.setRating(rating);
},
),
Expanded(
child: state.posts.isEmpty && !state.isLoadingMore
? const EmptyView(
title: 'No posts yet',
message: 'Try another tag or check providers.',
)
: RefreshIndicator(
onRefresh: () => ref
.read(feedControllerProvider.notifier)
.refresh(),
child: PostMasonryGrid(
controller: _scrollController,
posts: state.posts,
columns: Responsive.columnsFor(
context,
mobileColumns: settings.mobileColumns,
desktopColumns: settings.desktopColumns,
),
blurExplicit: settings.blurExplicitContent,
showBadges: settings.showPostBadges,
nsfwEnabled: settings.nsfwEnabled,
loading: state.isLoadingMore,
onOpen: (post) => context.push(
'/post/${post.providerId}/${post.id}',
extra: post,
),
onFavorite: (post) => ref
.read(favoriteServiceProvider)
.addFavorite(post),
onAddToCollection: (post) =>
_addToCollection(context, ref, post),
),
),
),
],
),
),
),
),
);
}
Future<void> _addToCollection(
BuildContext context,
WidgetRef ref,
Post post,
) async {
final result = await ref.read(collectionServiceProvider).getCollections();
final collections =
result is Success<List<Collection>> ? result.data : <Collection>[];
if (!context.mounted) return;
await showAddToCollectionPicker(
context,
collections: collections,
onSelected: (collection) {
ref
.read(collectionServiceProvider)
.addPostToCollection(collection.id, post);
},
onCreate: () => showCollectionFormDialog(context, ref),
);
}
}
class _RefreshIntent extends Intent {
const _RefreshIntent();
}