486 lines
16 KiB
Dart
486 lines
16 KiB
Dart
import 'package:flutter/material.dart';
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import '../../../../app/theme/app_colors.dart';
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import '../../../../app/i18n/app_localizations.dart';
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import '../../../../core/services/redemption_service.dart';
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/// 核销管理页面
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///
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/// 扫码核销 + 手动输入券码 + 批量核销 + 核销记录
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class RedemptionPage extends StatelessWidget {
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const RedemptionPage({super.key});
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@override
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Widget build(BuildContext context) {
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return DefaultTabController(
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length: 2,
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child: Scaffold(
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appBar: AppBar(
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title: Text(context.t('redemption_title')),
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bottom: TabBar(
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tabs: [
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Tab(text: context.t('redemption_tab_scan')),
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Tab(text: context.t('redemption_tab_history')),
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],
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),
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),
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body: const TabBarView(
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children: [
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_ScanRedeemTab(),
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_RedeemHistoryTab(),
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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 _ScanRedeemTab extends StatefulWidget {
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const _ScanRedeemTab();
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@override
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State<_ScanRedeemTab> createState() => _ScanRedeemTabState();
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}
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class _ScanRedeemTabState extends State<_ScanRedeemTab> {
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final _manualCodeController = TextEditingController();
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final _redemptionService = RedemptionService();
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bool _isRedeeming = false;
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bool _isLoadingStats = true;
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TodayRedemptionStats? _todayStats;
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@override
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void initState() {
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super.initState();
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_loadTodayStats();
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}
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@override
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void dispose() {
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_manualCodeController.dispose();
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super.dispose();
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}
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Future<void> _loadTodayStats() async {
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try {
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final stats = await _redemptionService.getTodayStats();
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if (!mounted) return;
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setState(() {
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_todayStats = stats;
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_isLoadingStats = false;
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});
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} catch (e) {
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debugPrint('[RedemptionPage] loadTodayStats error: $e');
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if (!mounted) return;
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setState(() => _isLoadingStats = false);
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}
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}
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Future<void> _manualRedeem() async {
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final code = _manualCodeController.text.trim();
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if (code.isEmpty) return;
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setState(() => _isRedeeming = true);
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try {
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final result = await _redemptionService.manual(code);
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if (!mounted) return;
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setState(() => _isRedeeming = false);
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_manualCodeController.clear();
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_loadTodayStats();
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_showRedeemResult(context, result);
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} catch (e) {
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debugPrint('[RedemptionPage] manualRedeem error: $e');
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if (!mounted) return;
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setState(() => _isRedeeming = false);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('核销失败: $e'), backgroundColor: AppColors.error),
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);
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}
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}
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void _showRedeemResult(BuildContext context, RedemptionResult result) {
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showModalBottomSheet(
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context: context,
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builder: (ctx) => Container(
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padding: const EdgeInsets.all(24),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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result.status == 'completed' ? Icons.check_circle_rounded : Icons.error_rounded,
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color: result.status == 'completed' ? AppColors.success : AppColors.error,
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size: 56,
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),
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const SizedBox(height: 16),
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Text(context.t('redemption_confirm_title'), style: const TextStyle(fontSize: 20, fontWeight: FontWeight.w600)),
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const SizedBox(height: 8),
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Text(result.couponName, style: const TextStyle(color: AppColors.textSecondary)),
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if (result.amount > 0) ...[
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const SizedBox(height: 4),
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Text('\$${result.amount.toStringAsFixed(2)}', style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w600)),
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],
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const SizedBox(height: 24),
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SizedBox(
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width: double.infinity,
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child: ElevatedButton(
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onPressed: () => Navigator.pop(ctx),
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child: Text(context.t('redemption_confirm_button')),
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),
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),
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const SizedBox(height: 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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Future<void> _showBatchRedeem(BuildContext context) async {
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final batchController = TextEditingController();
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showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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builder: (ctx) => DraggableScrollableSheet(
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expand: false,
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initialChildSize: 0.6,
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builder: (_, controller) => StatefulBuilder(
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builder: (ctx, setLocalState) {
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bool isBatching = false;
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return Padding(
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padding: const EdgeInsets.all(24),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(context.t('redemption_batch'), style: const TextStyle(fontSize: 20, fontWeight: FontWeight.w600)),
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const SizedBox(height: 8),
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Text(context.t('redemption_batch_desc'), style: const TextStyle(color: AppColors.textSecondary)),
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const SizedBox(height: 16),
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Expanded(
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child: TextField(
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controller: batchController,
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maxLines: null,
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expands: true,
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textAlignVertical: TextAlignVertical.top,
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decoration: InputDecoration(
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hintText: context.t('redemption_batch_hint'),
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border: const OutlineInputBorder(),
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),
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),
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),
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const SizedBox(height: 16),
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SizedBox(
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width: double.infinity,
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child: ElevatedButton(
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onPressed: isBatching
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? null
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: () async {
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final text = batchController.text.trim();
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if (text.isEmpty) return;
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final codes = text
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.split(RegExp(r'[\n,;]+'))
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.map((c) => c.trim())
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.where((c) => c.isNotEmpty)
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.toList();
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if (codes.isEmpty) return;
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setLocalState(() => isBatching = true);
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try {
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final result = await _redemptionService.batch(codes);
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if (!mounted) return;
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Navigator.pop(ctx);
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_loadTodayStats();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('成功: ${result.successCount}, 失败: ${result.failCount}'),
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backgroundColor: result.failCount == 0 ? AppColors.success : AppColors.warning,
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),
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);
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} catch (e) {
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debugPrint('[RedemptionPage] batch error: $e');
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setLocalState(() => isBatching = false);
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('批量核销失败: $e'), backgroundColor: AppColors.error),
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);
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}
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}
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},
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child: isBatching
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(strokeWidth: 2, color: Colors.white),
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)
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: Text(context.t('redemption_batch')),
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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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@override
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Widget build(BuildContext context) {
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return SingleChildScrollView(
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padding: const EdgeInsets.all(20),
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child: Column(
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children: [
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// Scan Area
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Container(
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height: 260,
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decoration: BoxDecoration(
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color: AppColors.gray900,
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borderRadius: BorderRadius.circular(16),
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),
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child: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Container(
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width: 160,
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height: 160,
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decoration: BoxDecoration(
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border: Border.all(color: AppColors.primary, width: 2),
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borderRadius: BorderRadius.circular(12),
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),
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child: const Icon(Icons.qr_code_scanner_rounded, color: AppColors.primary, size: 64),
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),
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const SizedBox(height: 16),
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Text(context.t('redemption_scan_hint'), style: const TextStyle(color: Colors.white70, fontSize: 14)),
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],
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),
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),
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),
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const SizedBox(height: 20),
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// Manual Input
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Row(
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children: [
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Expanded(
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child: TextField(
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controller: _manualCodeController,
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enabled: !_isRedeeming,
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decoration: InputDecoration(
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hintText: context.t('redemption_manual_hint'),
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prefixIcon: const Icon(Icons.keyboard_rounded),
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),
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),
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),
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const SizedBox(width: 12),
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SizedBox(
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height: 52,
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child: ElevatedButton(
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onPressed: _isRedeeming ? null : _manualRedeem,
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child: _isRedeeming
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(strokeWidth: 2, color: Colors.white),
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)
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: Text(context.t('redemption_redeem')),
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),
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),
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],
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),
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const SizedBox(height: 20),
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// Batch Redeem
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OutlinedButton.icon(
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onPressed: () => _showBatchRedeem(context),
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icon: const Icon(Icons.list_alt_rounded),
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label: Text(context.t('redemption_batch')),
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style: OutlinedButton.styleFrom(
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minimumSize: const Size(double.infinity, 48),
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),
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),
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const SizedBox(height: 24),
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// Today Stats
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: AppColors.surface,
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: AppColors.borderLight),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(context.t('redemption_today_title'), style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w600)),
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const SizedBox(height: 12),
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_isLoadingStats
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? const Center(child: CircularProgressIndicator())
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: Row(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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children: [
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_StatItem(
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label: context.t('redemption_today_count'),
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value: '${_todayStats?.count ?? 0}',
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),
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_StatItem(
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label: context.t('redemption_today_amount'),
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value: '\$${_todayStats?.totalAmount.toStringAsFixed(0) ?? '0'}',
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),
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_StatItem(
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label: context.t('redemption_today_stores'),
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value: '--',
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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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class _RedeemHistoryTab extends StatefulWidget {
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const _RedeemHistoryTab();
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@override
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State<_RedeemHistoryTab> createState() => _RedeemHistoryTabState();
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}
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class _RedeemHistoryTabState extends State<_RedeemHistoryTab> {
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final _redemptionService = RedemptionService();
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bool _isLoading = true;
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String? _error;
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List<RedemptionRecord> _records = [];
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@override
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void initState() {
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super.initState();
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_loadHistory();
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}
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Future<void> _loadHistory() async {
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setState(() {
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_isLoading = true;
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_error = null;
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});
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try {
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final result = await _redemptionService.getHistory();
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if (!mounted) return;
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setState(() {
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_records = result.items;
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_isLoading = false;
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});
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} catch (e) {
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debugPrint('[RedemptionPage] loadHistory error: $e');
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if (!mounted) return;
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setState(() {
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_isLoading = false;
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_error = e.toString();
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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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if (_isLoading) {
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return const Center(child: CircularProgressIndicator());
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}
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if (_error != null) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Icon(Icons.error_outline, size: 48, color: AppColors.textTertiary),
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const SizedBox(height: 16),
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Text(_error!, style: const TextStyle(color: AppColors.textSecondary)),
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const SizedBox(height: 16),
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ElevatedButton(
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onPressed: _loadHistory,
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child: Text(context.t('retry')),
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),
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],
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),
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);
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}
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if (_records.isEmpty) {
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return const Center(
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child: Text('暂无核销记录', style: TextStyle(color: AppColors.textSecondary)),
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);
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}
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return RefreshIndicator(
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onRefresh: _loadHistory,
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child: ListView.separated(
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padding: const EdgeInsets.all(20),
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itemCount: _records.length,
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separatorBuilder: (_, __) => const Divider(height: 1),
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itemBuilder: (context, index) {
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final record = _records[index];
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final success = record.status == 'completed';
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return ListTile(
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contentPadding: const EdgeInsets.symmetric(vertical: 8),
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leading: Container(
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width: 40,
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height: 40,
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decoration: BoxDecoration(
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color: success ? AppColors.successLight : AppColors.errorLight,
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borderRadius: BorderRadius.circular(10),
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),
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child: Icon(
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success ? Icons.check_rounded : Icons.close_rounded,
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color: success ? AppColors.success : AppColors.error,
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size: 20,
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),
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),
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title: Text(record.couponName, style: const TextStyle(fontWeight: FontWeight.w500)),
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subtitle: Text(
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'${record.method} · \$${record.amount.toStringAsFixed(2)}',
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style: const TextStyle(fontSize: 12, color: AppColors.textSecondary),
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),
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trailing: Text(
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_formatTime(record.createdAt),
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style: const TextStyle(fontSize: 11, color: AppColors.textTertiary),
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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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String _formatTime(DateTime dt) {
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final now = DateTime.now();
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final diff = now.difference(dt);
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if (diff.inMinutes < 60) return '${diff.inMinutes}分钟前';
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if (diff.inHours < 24) return '${diff.inHours}小时前';
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if (diff.inDays < 7) return '${diff.inDays}天前';
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return '${dt.month}/${dt.day}';
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}
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}
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class _StatItem extends StatelessWidget {
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final String label;
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final String value;
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const _StatItem({required this.label, required this.value});
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@override
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Widget build(BuildContext context) {
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return Column(
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children: [
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Text(value, style: const TextStyle(fontSize: 20, fontWeight: FontWeight.w700, color: AppColors.primary)),
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const SizedBox(height: 4),
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Text(label, style: const TextStyle(fontSize: 12, color: AppColors.textTertiary)),
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],
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);
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}
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}
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