292 lines
9.7 KiB
Dart
292 lines
9.7 KiB
Dart
import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:mobile_scanner/mobile_scanner.dart';
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import '../theme/app_theme.dart';
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import '../widgets/sake_radar_chart.dart';
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class ScanARScreen extends StatefulWidget {
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const ScanARScreen({super.key});
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@override
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State<ScanARScreen> createState() => _ScanARScreenState();
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}
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class _ScanARScreenState extends State<ScanARScreen> with SingleTickerProviderStateMixin {
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final MobileScannerController _controller = MobileScannerController();
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bool _isScanning = true;
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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void _onDetect(BarcodeCapture capture) {
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if (!_isScanning) return;
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final List<Barcode> barcodes = capture.barcodes;
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for (final barcode in barcodes) {
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if (barcode.rawValue != null) {
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try {
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final Map<String, dynamic> data = jsonDecode(barcode.rawValue!);
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// Check for key fields to validate it's our QR
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if (data.containsKey('id') && data.containsKey('n')) {
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_isScanning = false; // Stop scanning logic
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// Show Card
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_showDigitalCard(data);
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break;
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}
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} catch (e) {
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// Not JSON or not our format
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}
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}
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}
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}
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void _showDigitalCard(Map<String, dynamic> data) async {
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// Play sound? (Optional)
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await showDialog(
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context: context,
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barrierDismissible: true,
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builder: (context) => _DigitalSakeCardDialog(data: data),
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);
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// Resume scanning after dialog closes
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if (mounted) {
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setState(() {
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_isScanning = true;
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});
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Stack(
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children: [
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MobileScanner(
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controller: _controller,
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onDetect: _onDetect,
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),
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// Overlay Design
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Container(
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decoration: BoxDecoration(
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border: Border.symmetric(
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horizontal: BorderSide(color: Colors.black.withValues(alpha: 0.5), width: 100),
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vertical: BorderSide(color: Colors.black.withValues(alpha: 0.5), width: 40),
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),
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),
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),
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Center(
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child: Container(
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width: 280,
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height: 280,
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decoration: BoxDecoration(
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border: Border.all(color: AppTheme.posimaiBlue.withValues(alpha: 0.8), width: 2),
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(
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color: AppTheme.posimaiBlue.withValues(alpha: 0.4),
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blurRadius: 20,
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spreadRadius: 2,
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),
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],
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),
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child: Stack(
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children: [
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// Corners
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Positioned(top: 0, left: 0, child: _Corner(isTop: true, isLeft: true)),
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Positioned(top: 0, right: 0, child: _Corner(isTop: true, isLeft: false)),
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Positioned(bottom: 0, left: 0, child: _Corner(isTop: false, isLeft: true)),
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Positioned(bottom: 0, right: 0, child: _Corner(isTop: false, isLeft: false)),
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// Center Animation (Scanner line) - simplified
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Center(
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child: Container(
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height: 2,
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color: Colors.white.withValues(alpha: 0.5),
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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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const Positioned(
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top: 60,
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left: 0,
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right: 0,
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child: Text(
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'銘柄カードのQRをスキャン',
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textAlign: TextAlign.center,
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style: TextStyle(
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color: Colors.white,
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fontSize: 18,
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fontWeight: FontWeight.bold,
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shadows: [Shadow(color: Colors.black, blurRadius: 4)],
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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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class _Corner extends StatelessWidget {
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final bool isTop;
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final bool isLeft;
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const _Corner({required this.isTop, required this.isLeft});
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@override
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Widget build(BuildContext context) {
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const double size = 32; // Slightly larger for rounded look
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const double thickness = 4;
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const double radius = 16;
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return Container(
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width: size,
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height: size,
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decoration: BoxDecoration(
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color: Colors.transparent,
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borderRadius: BorderRadius.only(
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topLeft: isTop && isLeft ? const Radius.circular(radius) : Radius.zero,
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topRight: isTop && !isLeft ? const Radius.circular(radius) : Radius.zero,
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bottomLeft: !isTop && isLeft ? const Radius.circular(radius) : Radius.zero,
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bottomRight: !isTop && !isLeft ? const Radius.circular(radius) : Radius.zero,
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),
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border: Border(
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top: isTop ? const BorderSide(color: Colors.white, width: thickness) : BorderSide.none,
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bottom: !isTop ? const BorderSide(color: Colors.white, width: thickness) : BorderSide.none,
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left: isLeft ? const BorderSide(color: Colors.white, width: thickness) : BorderSide.none,
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right: !isLeft ? const BorderSide(color: Colors.white, width: thickness) : BorderSide.none,
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),
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),
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);
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}
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}
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class _DigitalSakeCardDialog extends StatelessWidget {
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final Map<String, dynamic> data;
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const _DigitalSakeCardDialog({required this.data});
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@override
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Widget build(BuildContext context) {
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// Unpack data
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final name = data['n'] ?? '不明';
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final brewery = data['b'] ?? '不明';
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final prefecture = data['p']?.toString() ?? '不明';
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// Stats for chart
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final aroma = (data['s'] is num) ? -1 : 3; // 's' is sweetness in my QR?
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// Wait, toQrJson: s=sweetness, y=body, a=alcohol.
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// Radar Chart needs: aroma, bitterness, sweetness, acidity, body.
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// We only have S, Y, A. (Sweetness, Body, Alcohol).
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// We'll map them visually or just show what we have.
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// A proper implementation plan would fetch the full data if available, but offline we only use QR data.
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// Let's map:
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// Sweetness -> Sweetness
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// Body -> Body
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// Alcohol -> Bitterness? (High alcohol often behaves like dry/bitter)
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// Aroma -> Default 3
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// Acidity -> Default 3
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// Or just show stars.
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// The user praised the Radar Chart, so let's try to populate it even partially.
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final sweetness = (data['s'] as num?)?.toInt() ?? 3;
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final body = (data['y'] as num?)?.toInt() ?? 3;
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final alcohol = (data['a'] as num?)?.toInt() ?? 3;
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final radarData = {
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'aroma': 3,
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'bitterness': alcohol, // Proxy
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'sweetness': sweetness,
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'acidity': 3,
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'body': body,
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};
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return Dialog(
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backgroundColor: Colors.transparent,
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elevation: 0,
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child: TweenAnimationBuilder<double>(
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duration: const Duration(milliseconds: 500),
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curve: Curves.elasticOut,
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tween: Tween(begin: 0.5, end: 1.0),
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builder: (context, scale, child) {
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return Transform.scale(scale: scale, child: child);
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},
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child: Container(
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width: 320,
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padding: const EdgeInsets.all(24),
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decoration: BoxDecoration(
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gradient: const LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [Color(0xFFE3F2FD), Color(0xFFF3E5F5)], // Light Blue to Light Purple
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),
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borderRadius: BorderRadius.circular(20),
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boxShadow: [
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BoxShadow(color: Colors.black.withValues(alpha: 0.2), blurRadius: 20, spreadRadius: 5),
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],
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border: Border.all(color: Colors.white, width: 2),
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// Badge
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
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decoration: BoxDecoration(
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color: AppTheme.posimaiBlue,
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borderRadius: BorderRadius.circular(20),
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),
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child: const Text('New Discovery!', style: TextStyle(color: Colors.white, fontWeight: FontWeight.bold, fontSize: 12)),
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),
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const SizedBox(height: 16),
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// Name
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Text(
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name,
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style: const TextStyle(fontSize: 22, fontWeight: FontWeight.bold, height: 1.2),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 8),
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Text(
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'$brewery / $prefecture',
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style: const TextStyle(fontSize: 14, color: Colors.grey),
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),
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const SizedBox(height: 20),
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// Chart
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SizedBox(
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height: 180,
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child: SakeRadarChart(
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tasteStats: radarData,
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primaryColor: AppTheme.posimaiBlue,
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),
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),
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const SizedBox(height: 24),
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// Actions
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ElevatedButton.icon(
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onPressed: () => Navigator.pop(context),
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icon: const Icon(Icons.check),
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label: const Text('閉じる'),
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style: ElevatedButton.styleFrom(
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backgroundColor: AppTheme.posimaiBlue,
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foregroundColor: Colors.white,
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minimumSize: const Size(double.infinity, 48),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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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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