Files
packet/lib/presentation/pages/captura_page.dart
tzzrgit dac0c51483 PACKET v1.0.0 - Initial release
App móvil Flutter para capturar contenido multimedia, etiquetarlo con hashes y enviarlo a backends configurables.

Features:
- Captura de fotos, audio, video y archivos
- Sistema de etiquetas con bibliotecas externas (HST)
- Packs de etiquetas predefinidos
- Cola de reintentos (hasta 20 contenedores)
- Soporte GPS
- Hash SHA-256 auto-generado por contenedor
- Persistencia SQLite local
- Múltiples destinos configurables

Stack: Flutter 3.38.5, flutter_bloc, sqflite, dio

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-21 18:10:27 +01:00

312 lines
12 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import '../bloc/captura/captura_cubit.dart';
import '../bloc/captura/captura_state.dart';
import '../bloc/etiquetas/etiquetas_cubit.dart';
import '../bloc/app/app_cubit.dart';
import '../bloc/app/app_state.dart';
import '../widgets/audio_recorder.dart';
import '../../core/utils/hash_utils.dart';
class CapturaPage extends StatelessWidget {
const CapturaPage({super.key});
@override
Widget build(BuildContext context) {
return BlocBuilder<CapturaCubit, CapturaState>(
builder: (context, state) {
return Scaffold(
body: SingleChildScrollView(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
// Hash section
Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
const Icon(Icons.tag, size: 20),
const SizedBox(width: 8),
const Text('Hash', style: TextStyle(fontWeight: FontWeight.bold)),
const Spacer(),
IconButton(
icon: const Icon(Icons.copy, size: 20),
onPressed: () {
Clipboard.setData(ClipboardData(text: state.contenedor.hash));
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Hash copiado')),
);
},
),
IconButton(
icon: const Icon(Icons.refresh, size: 20),
onPressed: () => context.read<CapturaCubit>().regenerateHash(),
),
],
),
Text(
HashUtils.truncateHash(state.contenedor.hash, length: 32),
style: Theme.of(context).textTheme.bodySmall?.copyWith(
fontFamily: 'monospace',
),
),
],
),
),
),
const SizedBox(height: 16),
// Title & Description
TextField(
decoration: const InputDecoration(
labelText: 'Título (opcional)',
prefixIcon: Icon(Icons.title),
),
onChanged: (v) => context.read<CapturaCubit>().setTitulo(v),
),
const SizedBox(height: 12),
TextField(
decoration: const InputDecoration(
labelText: 'Descripción (opcional)',
prefixIcon: Icon(Icons.description),
),
maxLines: 2,
onChanged: (v) => context.read<CapturaCubit>().setDescripcion(v),
),
const SizedBox(height: 16),
// Capture buttons
Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('Capturar', style: TextStyle(fontWeight: FontWeight.bold)),
const SizedBox(height: 12),
Wrap(
spacing: 12,
runSpacing: 12,
children: [
_CaptureButton(
icon: Icons.camera_alt,
label: 'Foto',
onPressed: () => context.read<CapturaCubit>().capturePhoto(),
),
AudioRecorderButton(
onRecorded: (bytes, name) {
context.read<CapturaCubit>().addAudioFile(bytes, name);
},
),
_CaptureButton(
icon: Icons.videocam,
label: 'Video',
onPressed: () => context.read<CapturaCubit>().captureVideo(),
),
_CaptureButton(
icon: Icons.attach_file,
label: 'Archivo',
onPressed: () => context.read<CapturaCubit>().pickFile(),
),
_CaptureButton(
icon: state.contenedor.gps != null
? Icons.location_on
: Icons.location_off,
label: 'GPS',
onPressed: () {
if (state.contenedor.gps != null) {
context.read<CapturaCubit>().clearGps();
} else {
context.read<CapturaCubit>().captureGps();
}
},
selected: state.contenedor.gps != null,
),
],
),
],
),
),
),
const SizedBox(height: 16),
// Attached files
if (state.contenedor.archivos.isNotEmpty) ...[
Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Archivos (${state.contenedor.archivos.length})',
style: const TextStyle(fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
...state.contenedor.archivos.asMap().entries.map((e) {
final archivo = e.value;
return ListTile(
leading: Icon(_getFileIcon(archivo.tipo)),
title: Text(archivo.nombre),
subtitle: Text(archivo.sizeFormatted),
trailing: IconButton(
icon: const Icon(Icons.close),
onPressed: () =>
context.read<CapturaCubit>().removeArchivo(e.key),
),
);
}),
],
),
),
),
const SizedBox(height: 16),
],
// Etiquetas summary
BlocBuilder<EtiquetasCubit, dynamic>(
builder: (context, etState) {
final seleccionadas = (etState as dynamic).seleccionadas as List<String>;
if (seleccionadas.isEmpty) {
return const SizedBox.shrink();
}
return Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Etiquetas (${seleccionadas.length})',
style: const TextStyle(fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
runSpacing: 8,
children: seleccionadas
.map((h) => Chip(
label: Text(HashUtils.truncateHash(h)),
onDeleted: () =>
context.read<EtiquetasCubit>().removeEtiqueta(h),
))
.toList(),
),
],
),
),
);
},
),
// GPS info
if (state.contenedor.gps != null) ...[
const SizedBox(height: 16),
Card(
child: ListTile(
leading: const Icon(Icons.location_on, color: Colors.green),
title: const Text('Ubicación'),
subtitle: Text(state.contenedor.gps!.toString()),
),
),
],
const SizedBox(height: 24),
// Send button
BlocBuilder<AppCubit, AppState>(
builder: (context, appState) {
final destino = appState.destinoActivo;
return FilledButton.icon(
onPressed: destino != null && state.status != CapturaStatus.sending
? () {
final etiquetas = context
.read<EtiquetasCubit>()
.state
.seleccionadas;
context.read<CapturaCubit>().setEtiquetas(etiquetas);
context.read<CapturaCubit>().enviar(destino);
}
: null,
icon: state.status == CapturaStatus.sending
? const SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(strokeWidth: 2),
)
: const Icon(Icons.send),
label: Text(state.status == CapturaStatus.sending
? 'Enviando...'
: 'Enviar'),
);
},
),
if (state.status == CapturaStatus.error && state.errorMessage != null)
Padding(
padding: const EdgeInsets.only(top: 16),
child: Text(
state.errorMessage!,
style: TextStyle(color: Theme.of(context).colorScheme.error),
),
),
],
),
),
);
},
);
}
IconData _getFileIcon(dynamic tipo) {
switch (tipo.toString()) {
case 'FileType.image':
return Icons.image;
case 'FileType.audio':
return Icons.audiotrack;
case 'FileType.video':
return Icons.videocam;
default:
return Icons.insert_drive_file;
}
}
}
class _CaptureButton extends StatelessWidget {
final IconData icon;
final String label;
final VoidCallback onPressed;
final bool selected;
const _CaptureButton({
required this.icon,
required this.label,
required this.onPressed,
this.selected = false,
});
@override
Widget build(BuildContext context) {
return FilledButton.tonal(
onPressed: onPressed,
style: FilledButton.styleFrom(
backgroundColor: selected ? Theme.of(context).colorScheme.primaryContainer : null,
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(icon, size: 18),
const SizedBox(width: 4),
Text(label),
],
),
);
}
}