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Prisma/lib/features/artists/presentation/artists_screen.dart
T

894 lines
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Dart

import 'dart:convert';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.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 '../../settings/presentation/settings_controller.dart';
import 'artist_posts_screen.dart';
final artistProviderConfigsProvider =
FutureProvider<List<ContentProviderConfig>>((ref) async {
final result = await ref
.watch(providerManagerProvider)
.loadArtistConfigs(enabledOnly: true);
return result is Success<List<ContentProviderConfig>>
? result.data
: const [];
});
class ArtistsScreen extends ConsumerStatefulWidget {
const ArtistsScreen({super.key});
@override
ConsumerState<ArtistsScreen> createState() => _ArtistsScreenState();
}
class _ArtistsScreenState extends ConsumerState<ArtistsScreen> {
final _search = TextEditingController();
final _scroll = ScrollController();
String? _providerId;
var _page = 1;
var _loading = false;
var _hasMore = true;
Object? _error;
List<ArtistProfile> _artists = const [];
String? _selectedFavoriteArtistKey;
Future<void> _toggleFavoriteArtist(
AppSettings settings,
ArtistProfile artist,
) async {
final current = List<String>.from(settings.favoriteArtists);
final item = _FavoriteArtistItem(
id: artist.id,
service: artist.service,
providerId: artist.providerId,
name: artist.displayName,
avatarUrl: artist.avatarUrl,
);
final key = item.key;
final index = current.indexWhere((e) {
try {
final parsed =
_FavoriteArtistItem.fromJson(jsonDecode(e) as Map<String, dynamic>);
return parsed.key == key;
} catch (_) {
return false;
}
});
if (index >= 0) {
current.removeAt(index);
} else {
current.insert(0, jsonEncode(item.toJson()));
}
await ref.read(settingsControllerProvider.notifier).saveSettings(
settings.copyWith(favoriteArtists: current),
);
}
@override
void initState() {
super.initState();
_scroll.addListener(() {
if (_scroll.position.extentAfter < 500) _loadMore();
});
}
@override
void dispose() {
_search.dispose();
_scroll.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final configs = ref.watch(artistProviderConfigsProvider);
final settings =
ref.watch(appSettingsProvider).value ?? AppSettings.defaults;
final favoriteItems = settings.favoriteArtists
.map((e) {
try {
return _FavoriteArtistItem.fromJson(
jsonDecode(e) as Map<String, dynamic>);
} catch (_) {
return null;
}
})
.whereType<_FavoriteArtistItem>()
.toList();
final favoriteKeys = favoriteItems.map((e) => e.key).toSet();
final selectedFav = favoriteItems.firstWhere(
(e) => e.key == _selectedFavoriteArtistKey,
orElse: () => favoriteItems.isNotEmpty
? favoriteItems.first
: const _FavoriteArtistItem.empty(),
);
return AdaptiveScaffold(
title: 'Artists',
actions: [
IconButton(
tooltip: 'Refresh',
onPressed: () => _refresh(configs.valueOrNull ?? const []),
icon: const Icon(Icons.refresh_rounded),
),
],
body: configs.when(
loading: () => const Center(child: CircularProgressIndicator()),
error: (error, _) => ErrorView(message: error.toString()),
data: (items) {
if (items.isEmpty) {
return const EmptyView(
title: 'No artist providers',
message: 'Enable an artist provider (such as Pawchive) in Providers.',
);
}
_providerId ??= items.first.id;
if (_artists.isEmpty && !_loading && _error == null) {
WidgetsBinding.instance
.addPostFrameCallback((_) => _refresh(items));
}
return Column(
children: [
_ArtistsHeader(
searchController: _search,
providers: items,
selectedProviderId: _providerId,
onProviderChanged: (value) {
setState(() => _providerId = value);
_refresh(items);
},
onSearch: () => _refresh(items),
),
_FavoriteArtistsSection(
favorites: favoriteItems,
selectedKey: selectedFav.isEmpty ? null : selectedFav.key,
onSelect: (fav) =>
setState(() => _selectedFavoriteArtistKey = fav.key),
onOpenArtist: (fav) => context.push(
'/artists/${fav.providerId}/${fav.service}/${fav.id}?name=${Uri.encodeComponent(fav.name)}',
),
onRemoveFavorite: (fav) async {
final updated = List<String>.from(settings.favoriteArtists)
..removeWhere((e) {
try {
return _FavoriteArtistItem.fromJson(
jsonDecode(e) as Map<String, dynamic>)
.key ==
fav.key;
} catch (_) {
return false;
}
});
await ref
.read(settingsControllerProvider.notifier)
.saveSettings(
settings.copyWith(favoriteArtists: updated));
},
),
Expanded(
child: _error != null
? ErrorView(
message: _friendlyArtistError(_error),
onRetry: () => _refresh(items),
)
: _artists.isEmpty && !_loading
? const EmptyView(
title: 'No artists',
message: 'Try another name or provider.',
)
: LayoutBuilder(
builder: (context, constraints) {
final columns = Responsive.isMobile(context)
? 1
: constraints.maxWidth >= 1100
? 3
: constraints.maxWidth >= 760
? 2
: 1;
return GridView.builder(
controller: _scroll,
padding:
const EdgeInsets.fromLTRB(16, 10, 16, 18),
gridDelegate:
SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: columns,
crossAxisSpacing: 12,
mainAxisSpacing: 12,
mainAxisExtent:
Responsive.isMobile(context) ? 88 : 104,
),
itemCount: _artists.length + (_loading ? 1 : 0),
itemBuilder: (context, index) {
if (index >= _artists.length) {
return const _ArtistSkeletonCard();
}
final artist = _artists[index];
final isFav = favoriteKeys.contains(
'${artist.providerId}:${artist.service}:${artist.id}');
return _ArtistCard(
artist: artist,
isFavorite: isFav,
onToggleFavorite: () =>
_toggleFavoriteArtist(settings, artist),
onTap: () => context.push(
'/artists/${artist.providerId}/${artist.service}/${artist.id}?name=${Uri.encodeComponent(artist.displayName)}',
),
);
},
);
},
),
),
],
);
},
),
);
}
String _friendlyArtistError(Object? error) {
final message = error.toString();
if (message.contains('HandshakeException') ||
message.contains('artist works are unavailable')) {
return 'Artist API is unavailable right now. Try refresh or another provider.';
}
return message;
}
Future<void> _refresh(List<ContentProviderConfig> configs) async {
if (configs.isEmpty) return;
setState(() {
_page = 1;
_hasMore = true;
_artists = const [];
_error = null;
});
await _loadMore();
}
Future<void> _loadMore() async {
if (_loading || !_hasMore || _providerId == null) return;
setState(() => _loading = true);
try {
final manager = ref.read(providerManagerProvider);
final providers = await manager.activeArtistProviders();
if (providers is! Success<List<ArtistProvider>>) return;
final provider = providers.data.firstWhere(
(item) => (item as ContentProvider).id == _providerId,
);
final next = await provider.searchArtists(
_search.text.trim(),
page: _page,
limit: 30,
);
if (!mounted) return;
setState(() {
_artists = [..._artists, ...next];
_page++;
_hasMore = next.isNotEmpty;
});
} catch (error) {
if (!mounted) return;
setState(() => _error = error);
} finally {
if (mounted) setState(() => _loading = false);
}
}
}
class _ArtistsHeader extends StatelessWidget {
const _ArtistsHeader({
required this.searchController,
required this.providers,
required this.selectedProviderId,
required this.onProviderChanged,
required this.onSearch,
});
final TextEditingController searchController;
final List<ContentProviderConfig> providers;
final String? selectedProviderId;
final ValueChanged<String?> onProviderChanged;
final VoidCallback onSearch;
@override
Widget build(BuildContext context) {
final scheme = Theme.of(context).colorScheme;
return Padding(
padding: const EdgeInsets.fromLTRB(16, 12, 16, 6),
child: DecoratedBox(
decoration: BoxDecoration(
color: scheme.surfaceContainerHighest.withValues(alpha: 0.72),
borderRadius: BorderRadius.circular(18),
border: Border.all(color: scheme.outlineVariant),
),
child: Padding(
padding: const EdgeInsets.all(10),
child: Column(
children: [
Row(
children: [
Expanded(
child: TextField(
controller: searchController,
textInputAction: TextInputAction.search,
decoration: const InputDecoration(
prefixIcon: Icon(Icons.search_rounded),
hintText: 'Search artists',
border: InputBorder.none,
filled: false,
),
onSubmitted: (_) => onSearch(),
),
),
IconButton.filledTonal(
tooltip: 'Search',
onPressed: onSearch,
icon: const Icon(Icons.arrow_forward_rounded),
),
],
),
const SizedBox(height: 8),
SizedBox(
height: 36,
child: ListView.separated(
scrollDirection: Axis.horizontal,
itemCount: providers.length,
separatorBuilder: (_, __) => const SizedBox(width: 8),
itemBuilder: (context, index) {
final provider = providers[index];
return ChoiceChip(
selected: provider.id == selectedProviderId,
avatar: const Icon(Icons.person_search_rounded, size: 16),
label: Text(provider.name),
onSelected: (_) => onProviderChanged(provider.id),
);
},
),
),
],
),
),
),
);
}
}
class _ArtistCard extends StatelessWidget {
const _ArtistCard({
required this.artist,
required this.onTap,
required this.isFavorite,
required this.onToggleFavorite,
});
final ArtistProfile artist;
final VoidCallback onTap;
final bool isFavorite;
final VoidCallback onToggleFavorite;
@override
Widget build(BuildContext context) {
final scheme = Theme.of(context).colorScheme;
return Material(
color: scheme.surfaceContainerHighest.withValues(alpha: 0.78),
borderRadius: BorderRadius.circular(18),
clipBehavior: Clip.antiAlias,
child: InkWell(
onTap: onTap,
child: Padding(
padding: const EdgeInsets.all(12),
child: Row(
children: [
_ArtistAvatar(artist: artist),
const SizedBox(width: 12),
Expanded(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
artist.displayName,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: Theme.of(context).textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w700,
),
),
const SizedBox(height: 6),
Wrap(
spacing: 6,
runSpacing: 4,
crossAxisAlignment: WrapCrossAlignment.center,
children: [
_MiniBadge(artist.service),
if (artist.postCount != null)
_MiniBadge('${artist.postCount} posts'),
],
),
if (artist.updatedAt != null) ...[
const SizedBox(height: 5),
Text(
'Updated ${artist.updatedAt!.toLocal().toString().split('.').first}',
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: scheme.onSurfaceVariant,
),
),
],
],
),
),
const SizedBox(width: 4),
IconButton(
tooltip: isFavorite ? 'В избранном' : 'В избранное',
onPressed: onToggleFavorite,
icon: Icon(
isFavorite ? Icons.star_rounded : Icons.star_outline_rounded,
color: isFavorite ? Colors.amber : scheme.onSurfaceVariant,
),
),
const Icon(Icons.chevron_right_rounded),
],
),
),
),
);
}
}
class _FavoriteArtistItem {
const _FavoriteArtistItem({
required this.id,
required this.service,
required this.providerId,
required this.name,
this.avatarUrl,
});
const _FavoriteArtistItem.empty()
: id = '',
service = '',
providerId = '',
name = '',
avatarUrl = null;
final String id;
final String service;
final String providerId;
final String name;
final String? avatarUrl;
bool get isEmpty => id.isEmpty;
String get key => '$providerId:$service:$id';
Map<String, dynamic> toJson() => {
'id': id,
'service': service,
'providerId': providerId,
'name': name,
'avatarUrl': avatarUrl,
};
factory _FavoriteArtistItem.fromJson(Map<String, dynamic> json) =>
_FavoriteArtistItem(
id: (json['id'] ?? '').toString(),
service: (json['service'] ?? '').toString(),
providerId: (json['providerId'] ?? '').toString(),
name: (json['name'] ?? '').toString(),
avatarUrl: json['avatarUrl'] as String?,
);
}
class _FavoriteArtistsSection extends ConsumerWidget {
const _FavoriteArtistsSection({
required this.favorites,
required this.selectedKey,
required this.onSelect,
required this.onOpenArtist,
required this.onRemoveFavorite,
});
final List<_FavoriteArtistItem> favorites;
final String? selectedKey;
final ValueChanged<_FavoriteArtistItem> onSelect;
final ValueChanged<_FavoriteArtistItem> onOpenArtist;
final ValueChanged<_FavoriteArtistItem> onRemoveFavorite;
@override
Widget build(BuildContext context, WidgetRef ref) {
if (favorites.isEmpty) {
return Container(
margin: const EdgeInsets.fromLTRB(16, 4, 16, 8),
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 10),
decoration: BoxDecoration(
color: Theme.of(context)
.colorScheme
.surfaceContainerHighest
.withValues(alpha: 0.4),
borderRadius: BorderRadius.circular(14),
border: Border.all(
color: Theme.of(context)
.colorScheme
.outlineVariant
.withValues(alpha: 0.3),
),
),
child: Row(
children: [
const Icon(Icons.star_rounded, color: Colors.amber, size: 22),
const SizedBox(width: 10),
Expanded(
child: Text(
'Нажмите звёздочку ★ на карточке автора, чтобы добавить его в любимые и смотреть его медиа здесь.',
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurfaceVariant,
),
),
),
],
),
);
}
final selected = favorites.firstWhere(
(f) => f.key == selectedKey,
orElse: () => favorites.first,
);
return Container(
margin: const EdgeInsets.fromLTRB(16, 4, 16, 10),
decoration: BoxDecoration(
color: Theme.of(context)
.colorScheme
.surfaceContainerHighest
.withValues(alpha: 0.45),
borderRadius: BorderRadius.circular(20),
border: Border.all(
color: Theme.of(context)
.colorScheme
.outlineVariant
.withValues(alpha: 0.35),
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.fromLTRB(14, 10, 14, 4),
child: Row(
children: [
const Icon(Icons.star_rounded, color: Colors.amber, size: 20),
const SizedBox(width: 6),
Text(
'Любимые авторы (${favorites.length})',
style: Theme.of(context).textTheme.titleSmall?.copyWith(
fontWeight: FontWeight.bold,
),
),
const Spacer(),
TextButton(
onPressed: () => onOpenArtist(selected),
style: TextButton.styleFrom(
visualDensity: VisualDensity.compact,
padding: const EdgeInsets.symmetric(horizontal: 8),
),
child: const Row(
mainAxisSize: MainAxisSize.min,
children: [
Text('Все работы', style: TextStyle(fontSize: 12)),
SizedBox(width: 2),
Icon(Icons.arrow_forward_rounded, size: 14),
],
),
),
],
),
),
SizedBox(
height: 84,
child: ListView.separated(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
scrollDirection: Axis.horizontal,
itemCount: favorites.length,
separatorBuilder: (_, __) => const SizedBox(width: 10),
itemBuilder: (context, index) {
final fav = favorites[index];
final isSelected = fav.key == selected.key;
return InkWell(
borderRadius: BorderRadius.circular(14),
onTap: () => onSelect(fav),
child: AnimatedContainer(
duration: const Duration(milliseconds: 200),
padding:
const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: isSelected
? Theme.of(context)
.colorScheme
.primaryContainer
.withValues(alpha: 0.6)
: Colors.transparent,
borderRadius: BorderRadius.circular(14),
border: Border.all(
color: isSelected
? Theme.of(context).colorScheme.primary
: Colors.transparent,
width: 1.5,
),
),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
SizedBox(
width: 44,
height: 44,
child: ClipOval(
child: fav.avatarUrl != null &&
fav.avatarUrl!.isNotEmpty
? CachedNetworkImage(
imageUrl: fav.avatarUrl!,
fit: BoxFit.cover,
placeholder: (_, __) => const CircleAvatar(
child:
Icon(Icons.person_rounded, size: 20),
),
errorWidget: (_, __, ___) =>
const CircleAvatar(
child:
Icon(Icons.person_rounded, size: 20),
),
)
: CircleAvatar(
child: Text(
fav.name.isNotEmpty
? fav.name[0].toUpperCase()
: '?',
style: const TextStyle(
fontWeight: FontWeight.bold),
),
),
),
),
const SizedBox(height: 4),
SizedBox(
width: 68,
child: Text(
fav.name,
maxLines: 1,
overflow: TextOverflow.ellipsis,
textAlign: TextAlign.center,
style: TextStyle(
fontSize: 11,
fontWeight: isSelected
? FontWeight.bold
: FontWeight.normal,
),
),
),
],
),
),
);
},
),
),
_FavoriteArtistMediaStrip(artist: selected),
],
),
);
}
}
class _FavoriteArtistMediaStrip extends ConsumerWidget {
const _FavoriteArtistMediaStrip({required this.artist});
final _FavoriteArtistItem artist;
@override
Widget build(BuildContext context, WidgetRef ref) {
final query = ArtistWorkQuery(
providerId: artist.providerId,
service: artist.service,
artistId: artist.id,
artistName: artist.name,
);
final asyncPosts = ref.watch(artistPostsProvider(query));
return Padding(
padding: const EdgeInsets.fromLTRB(12, 4, 12, 10),
child: asyncPosts.when(
loading: () => const SizedBox(
height: 90,
child: Center(
child: SizedBox(
width: 22,
height: 22,
child: CircularProgressIndicator(strokeWidth: 2),
),
),
),
error: (_, __) => const SizedBox.shrink(),
data: (posts) {
if (posts.isEmpty) {
return const SizedBox(
height: 36,
child: Center(
child: Text('Нет доступных фото или видео',
style: TextStyle(fontSize: 12)),
),
);
}
return SizedBox(
height: 96,
child: ListView.separated(
scrollDirection: Axis.horizontal,
itemCount: posts.length.clamp(0, 15),
separatorBuilder: (_, __) => const SizedBox(width: 8),
itemBuilder: (context, index) {
final post = posts[index];
final isVideo = MediaUrlSelector.isVideo(post);
return InkWell(
borderRadius: BorderRadius.circular(12),
onTap: () => context.push(
'/post/${post.providerId}/${post.id}',
extra: PostNavigationContext(
currentPost: post,
posts: posts,
),
),
child: ClipRRect(
borderRadius: BorderRadius.circular(12),
child: Stack(
children: [
SizedBox(
width: 96,
height: 96,
child: CachedNetworkImage(
imageUrl: post.previewUrl.isNotEmpty
? post.previewUrl
: post.sampleUrl,
fit: BoxFit.cover,
placeholder: (_, __) => ColoredBox(
color: Theme.of(context)
.colorScheme
.surfaceContainerHighest,
),
errorWidget: (_, __, ___) => ColoredBox(
color: Theme.of(context)
.colorScheme
.surfaceContainerHighest,
child: const Icon(Icons.broken_image_rounded,
size: 24),
),
),
),
if (isVideo)
Positioned(
bottom: 6,
right: 6,
child: Container(
padding: const EdgeInsets.all(4),
decoration: BoxDecoration(
color: Colors.black.withValues(alpha: 0.7),
shape: BoxShape.circle,
),
child: const Icon(Icons.play_arrow_rounded,
color: Colors.white, size: 14),
),
),
],
),
),
);
},
),
);
},
),
);
}
}
class _ArtistAvatar extends StatelessWidget {
const _ArtistAvatar({required this.artist});
final ArtistProfile artist;
@override
Widget build(BuildContext context) {
final name = artist.displayName.trim();
final initials = name.isEmpty ? '?' : name.characters.first.toUpperCase();
final fallback = DecoratedBox(
decoration: BoxDecoration(
gradient: LinearGradient(
colors: [
Theme.of(context).colorScheme.primaryContainer,
Theme.of(context).colorScheme.tertiaryContainer,
],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
shape: BoxShape.circle,
),
child: Center(
child: Text(
initials,
style: Theme.of(context).textTheme.titleLarge?.copyWith(
fontWeight: FontWeight.w800,
),
),
),
);
return SizedBox(
width: 56,
height: 56,
child: ClipOval(
child: artist.avatarUrl == null
? fallback
: CachedNetworkImage(
imageUrl: artist.avatarUrl!,
fit: BoxFit.cover,
placeholder: (_, __) => fallback,
errorWidget: (_, __, ___) => fallback,
),
),
);
}
}
class _MiniBadge extends StatelessWidget {
const _MiniBadge(this.label);
final String label;
@override
Widget build(BuildContext context) {
final scheme = Theme.of(context).colorScheme;
return DecoratedBox(
decoration: BoxDecoration(
color: scheme.surface.withValues(alpha: 0.72),
borderRadius: BorderRadius.circular(999),
border: Border.all(color: scheme.outlineVariant),
),
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
child: Text(
label,
style: Theme.of(context).textTheme.labelSmall?.copyWith(
fontWeight: FontWeight.w700,
),
),
),
);
}
}
class _ArtistSkeletonCard extends StatelessWidget {
const _ArtistSkeletonCard();
@override
Widget build(BuildContext context) {
final scheme = Theme.of(context).colorScheme;
return DecoratedBox(
decoration: BoxDecoration(
color: scheme.surfaceContainerHighest.withValues(alpha: 0.5),
borderRadius: BorderRadius.circular(18),
),
child: const Center(child: CircularProgressIndicator()),
);
}
}