odoo_loyalty_app/lib/screens/promo_detail_screen.dart

102 lines
3.1 KiB
Dart

import 'dart:convert';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:flutter_html/flutter_html.dart';
import '../theme/app_theme.dart';
import '../utils/safe_cast.dart';
/// Promo detail screen — mirrors notification detail but for promo highlights.
/// Shows the promo image (full size), title, and rich HTML body content.
class PromoDetailScreen extends StatelessWidget {
final dynamic promo;
const PromoDetailScreen({super.key, required this.promo});
@override
Widget build(BuildContext context) {
final title = safeString(promo['name']) ?? 'Promo';
final bodyHtml = safeString(promo['body']) ?? '';
final base64Img = safeString(promo['image_128']);
return Scaffold(
appBar: AppBar(title: Text(title)),
body: SingleChildScrollView(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Promo image (full width)
if (base64Img != null && base64Img.isNotEmpty)
_buildPromoImage(base64Img),
Padding(
padding: const EdgeInsets.fromLTRB(20, 20, 20, 8),
child: Text(title, style: Theme.of(context).textTheme.titleLarge),
),
if (bodyHtml.isNotEmpty)
Padding(
padding: const EdgeInsets.symmetric(horizontal: 12),
child: Html(
data: bodyHtml,
style: {
'body': Style(
color: AppTheme.onSurface,
fontFamily: 'Manrope',
fontSize: FontSize(15),
lineHeight: const LineHeight(1.6),
),
'p': Style(margin: Margins.only(bottom: 12)),
'h1': Style(
color: AppTheme.onSurface,
fontSize: FontSize(22),
fontWeight: FontWeight.bold,
),
'h2': Style(
color: AppTheme.onSurface,
fontSize: FontSize(18),
fontWeight: FontWeight.bold,
),
'a': Style(color: AppTheme.secondary),
},
),
)
else
Padding(
padding: const EdgeInsets.all(20),
child: Text(
'No content available.',
style: Theme.of(context).textTheme.bodyMedium,
),
),
const SizedBox(height: 32),
],
),
),
);
}
Widget _buildPromoImage(String base64Img) {
try {
final Uint8List bytes = base64Decode(base64Img);
return Image.memory(
bytes,
width: double.infinity,
height: 220,
fit: BoxFit.cover,
);
} catch (_) {
return Container(
height: 220,
color: AppTheme.surfaceContainer,
child: const Center(
child: Icon(
Icons.local_offer_rounded,
size: 56,
color: AppTheme.outlineVariant,
),
),
);
}
}
}