FreeTLab
202bef3539
- Replace all hardcoded Color literals outside lib/tema with theme tokens (new static brand palette in PluriWaveTokens); media notification uses the brand color instead of the Material default purple - Favorite button on station cards grows to a 48dp target and becomes an independent semantics node for screen readers (Semantics container fix) - All flutter_animate call sites route through the PluriAnimate reduced-motion gate (zero direct .animate() left) - Locale-aware short dates via intl DateFormat (new lib/l10n/formato_fechas.dart) replacing the hardcoded DD/MM/YYYY; proper plural messages for the favorites counter; example stream URL as a localized key - all 13 locales - Rounded shimmer placeholders matching card radii; shimmer loading state in search instead of a bare spinner; rounded icon variants unified in settings; bottom-sheet conventions on the custom station form - Fix latent debug crash: vacation editor read AppLocalizations in initState - 11 new tests (121 total green), flutter analyze clean
413 lines
13 KiB
Dart
413 lines
13 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:shimmer/shimmer.dart' as shimmer;
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import '../estado/estado_busqueda.dart';
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import '../estado/estado_radio.dart';
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import '../l10n/gen/app_localizations.dart';
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import '../modelos/emisora.dart';
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import '../tema/pluri_animate.dart';
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import '../widgets/pluri_glass_surface.dart';
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import '../widgets/pluri_icon.dart';
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import '../widgets/pluri_layout.dart';
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import '../widgets/pluri_premium_widgets.dart';
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import 'package:pluriwave/widgets/tarjeta_emisora.dart';
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import 'reproducir_minimizado.dart';
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/// Pantalla principal: emisoras populares y por género.
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class PantallaInicio extends StatefulWidget {
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const PantallaInicio({super.key});
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@override
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State<PantallaInicio> createState() => _PantallaInicioState();
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}
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class _PantallaInicioState extends State<PantallaInicio> {
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static const _generos = [
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'pop',
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'rock',
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'jazz',
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'classical',
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'electronic',
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'news',
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'talk',
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'hip-hop',
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'country',
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'metal',
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'reggae',
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'latin',
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];
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String? _generoSeleccionado;
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@override
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Widget build(BuildContext context) {
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// S4-R5: no root watch on EstadoRadio. Every field is consumed through
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// context.select over identity-memoized getters, so audio buffer events
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// (which notify EstadoRadio) no longer rebuild this screen.
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final theme = Theme.of(context);
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final l10n = AppLocalizations.of(context);
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final error = context.select<EstadoRadio, String?>((e) => e.error);
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return RefreshIndicator(
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onRefresh: () => context.read<EstadoRadio>().cargarPopulares(),
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child: CustomScrollView(
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slivers: [
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SliverToBoxAdapter(child: _heroHeader(context, l10n)),
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SliverToBoxAdapter(child: _seccionCercanas(context, theme, l10n)),
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SliverToBoxAdapter(child: _seccionTendencias(context, theme, l10n)),
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SliverToBoxAdapter(child: _chipGeneros(context, theme, l10n)),
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if (error != null)
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SliverToBoxAdapter(
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child: _errorBanner(context, error, theme, l10n),
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),
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SliverPadding(
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padding: const EdgeInsets.fromLTRB(
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PluriLayout.horizontal,
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0,
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PluriLayout.horizontal,
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PluriLayout.bottomChromeInset,
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),
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sliver: _gridEmisoras(context, l10n),
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),
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],
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),
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);
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}
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Widget _heroHeader(BuildContext context, AppLocalizations l10n) {
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final totalEmisoras = context.select<EstadoRadio, int>(
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(e) => e.emisorasInicio.length,
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);
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return PluriScreenHeader(
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title: l10n.appTitle,
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subtitle: l10n.homeScreenSubtitle,
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glyph: PluriIconGlyph.home,
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primaryActionLabel: l10n.exploreStations,
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onPrimaryAction: () => context.read<EstadoRadio>().cargarPopulares(),
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trailing: Column(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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PluriStatusPill(
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icon: Icons.public_rounded,
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label: l10n.stationsCount(totalEmisoras),
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accent: Theme.of(context).colorScheme.secondary,
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),
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const SizedBox(height: 8),
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PluriStatusPill(icon: Icons.hd_rounded, label: l10n.qualityHd),
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],
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),
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);
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}
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Widget _seccionCercanas(
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BuildContext context,
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ThemeData theme,
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AppLocalizations l10n,
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) {
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// Nearby stations live in EstadoBusqueda (S4-R3).
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final busqueda = context.watch<EstadoBusqueda>();
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final pais = busqueda.paisCercanoDetectado;
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return Padding(
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padding: const EdgeInsets.fromLTRB(
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PluriLayout.horizontal,
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8,
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PluriLayout.horizontal,
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0,
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),
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child: PluriGlassSurface(
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padding: const EdgeInsets.all(12),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Expanded(
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child: Text(
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pais == null ? l10n.nearYou : l10n.nearYouInCountry(pais),
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style: theme.textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.w900,
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),
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),
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),
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TextButton.icon(
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onPressed:
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busqueda.cargandoCercanas
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? null
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: busqueda.cargarEmisorasCercanas,
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icon:
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busqueda.cargandoCercanas
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? const SizedBox(
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width: 16,
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height: 16,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: const Icon(Icons.my_location_rounded, size: 18),
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label: Text(l10n.detectAction),
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),
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],
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),
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if (busqueda.errorCercanas != null)
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Text(
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busqueda.errorCercanas!,
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style: theme.textTheme.bodySmall?.copyWith(
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color: theme.colorScheme.error,
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),
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),
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if (busqueda.cercanas.isNotEmpty) ...[
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const SizedBox(height: 8),
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SizedBox(
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height: 76,
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child: ListView.separated(
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scrollDirection: Axis.horizontal,
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itemCount: busqueda.cercanas.length,
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separatorBuilder: (_, __) => const SizedBox(width: 8),
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itemBuilder: (context, i) {
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final emisora = busqueda.cercanas[i];
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return SizedBox(
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width: 260,
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child: TarjetaEmisora(
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emisora: emisora,
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esCompacta: true,
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onTap: () => reproducirMinimizado(context, emisora),
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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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),
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);
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}
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Widget _seccionTendencias(
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BuildContext context,
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ThemeData theme,
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AppLocalizations l10n,
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) {
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final cargando = context.select<EstadoRadio, bool>(
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(e) => e.cargandoPopulares,
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);
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final tendencias = context.select<EstadoRadio, List<Emisora>>(
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(e) => e.tendencias,
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);
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return Padding(
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padding: const EdgeInsets.fromLTRB(
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PluriLayout.horizontal,
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8,
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PluriLayout.horizontal,
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0,
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),
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child: PluriGlassSurface(
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padding: const EdgeInsets.all(12),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(l10n.liveRadar, style: theme.textTheme.titleMedium),
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const SizedBox(height: 8),
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SizedBox(
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height: 56,
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child:
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cargando
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? ListView.separated(
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scrollDirection: Axis.horizontal,
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itemCount: 5,
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separatorBuilder: (_, __) => const SizedBox(width: 8),
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itemBuilder: (_, __) => _ChipShimmer(theme: theme),
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)
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: ListView.separated(
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scrollDirection: Axis.horizontal,
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itemCount: tendencias.length,
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separatorBuilder: (_, __) => const SizedBox(width: 8),
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itemBuilder: (context, i) {
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final e = tendencias[i];
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return ActionChip(
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avatar: const Icon(
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Icons.graphic_eq_rounded,
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size: 18,
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),
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label: Text(e.nombre, maxLines: 1),
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onPressed: () => reproducirMinimizado(context, e),
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).pluriFadeIn(
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context,
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delay: Duration(milliseconds: i * 50),
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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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}
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Widget _chipGeneros(
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BuildContext context,
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ThemeData theme,
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AppLocalizations l10n,
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) {
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return Padding(
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padding: const EdgeInsets.fromLTRB(
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PluriLayout.horizontal,
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16,
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PluriLayout.horizontal,
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8,
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),
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child: PluriGlassSurface(
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padding: const EdgeInsets.all(12),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(l10n.genresTitle, style: theme.textTheme.titleMedium),
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const SizedBox(height: 8),
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Wrap(
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spacing: 8,
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runSpacing: 4,
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children:
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_generos.map((g) {
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final seleccionado = _generoSeleccionado == g;
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return FilterChip(
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label: Text(_genreName(l10n, g)),
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selected: seleccionado,
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onSelected: (_) {
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setState(() {
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_generoSeleccionado = seleccionado ? null : g;
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});
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if (!seleccionado) {
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context.read<EstadoBusqueda>().buscar(tag: g);
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} else {
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context.read<EstadoRadio>().cargarPopulares();
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}
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},
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);
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}).toList(),
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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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Widget _errorBanner(
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BuildContext context,
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String error,
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ThemeData theme,
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AppLocalizations l10n,
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) {
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return Padding(
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padding: const EdgeInsets.all(16),
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child: PluriGlassSurface(
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padding: const EdgeInsets.all(12),
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child: Row(
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children: [
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Icon(Icons.wifi_off, color: theme.colorScheme.error),
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const SizedBox(width: 8),
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Expanded(child: Text(error)),
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TextButton(
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onPressed: () => context.read<EstadoRadio>().cargarPopulares(),
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child: Text(l10n.retryAction),
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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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Widget _gridEmisoras(BuildContext context, AppLocalizations l10n) {
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final porGenero = _generoSeleccionado != null;
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final emisoras =
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porGenero
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? context.select<EstadoBusqueda, List<Emisora>>((b) => b.resultados)
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: context.select<EstadoRadio, List<Emisora>>(
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(e) => e.emisorasInicio,
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);
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final cargando =
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context.select<EstadoRadio, bool>((e) => e.cargandoPopulares) ||
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(porGenero && context.select<EstadoBusqueda, bool>((b) => b.cargando));
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if (cargando) {
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return SliverGrid(
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delegate: SliverChildBuilderDelegate(
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(_, __) => const TarjetaEmisoraShimmer(),
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childCount: 12,
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),
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gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 2,
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childAspectRatio: 0.78,
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crossAxisSpacing: 12,
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mainAxisSpacing: 12,
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),
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);
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}
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if (emisoras.isEmpty) {
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return SliverFillRemaining(
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child: PluriEmptyState(
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glyph: PluriIconGlyph.home,
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title: l10n.noStationsAvailable,
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subtitle: l10n.noStationsAvailableSubtitle,
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),
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);
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}
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return SliverGrid(
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delegate: SliverChildBuilderDelegate(
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(context, i) => TarjetaEmisora(
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emisora: emisoras[i],
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onTap: () => reproducirMinimizado(context, emisoras[i]),
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).pluriFadeSlideIn(
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context,
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delay: Duration(milliseconds: i * 30),
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beginY: 0.1,
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),
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childCount: emisoras.length,
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),
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gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 2,
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childAspectRatio: 0.78,
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crossAxisSpacing: 12,
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mainAxisSpacing: 12,
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),
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);
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}
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}
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String _genreName(AppLocalizations l10n, String tag) => switch (tag) {
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'pop' => l10n.genrePop,
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'rock' => l10n.genreRock,
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'jazz' => l10n.genreJazz,
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'classical' => l10n.genreClassical,
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'electronic' => l10n.genreElectronic,
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'news' => l10n.genreNews,
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'talk' => l10n.genreTalk,
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'hip-hop' => l10n.genreHipHop,
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'country' => l10n.genreCountry,
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'metal' => l10n.genreMetal,
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'reggae' => l10n.genreReggae,
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'latin' => l10n.genreLatin,
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_ => tag,
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};
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class _ChipShimmer extends StatelessWidget {
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final ThemeData theme;
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const _ChipShimmer({required this.theme});
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@override
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Widget build(BuildContext context) {
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return shimmer.Shimmer.fromColors(
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baseColor: theme.colorScheme.surfaceContainerHighest,
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highlightColor: theme.colorScheme.surface,
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child: Container(
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width: 120,
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height: 56,
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decoration: BoxDecoration(
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color: theme.colorScheme.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(20),
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),
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),
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);
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}
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}
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