665 lines
20 KiB
Dart
665 lines
20 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:get/get.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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import 'package:qr_flutter/qr_flutter.dart';
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import 'dart:async';
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import '../../core/models/chit_group.dart';
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import '../../core/models/group_member.dart';
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import '../../core/services/api_service.dart';
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/// UPI QR Payment Dialog
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/// Shows QR code for direct UPI payment + auto-checks for payment confirmation
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class UPIQRPaymentDialog extends StatefulWidget {
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final ChitGroup group;
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final GroupMember member;
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final int month;
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final int year;
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const UPIQRPaymentDialog({
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super.key,
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required this.group,
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required this.member,
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required this.month,
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required this.year,
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});
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@override
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State<UPIQRPaymentDialog> createState() => _UPIQRPaymentDialogState();
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}
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class _UPIQRPaymentDialogState extends State<UPIQRPaymentDialog> {
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final _apiService = ApiService();
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bool _isLoading = true;
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bool _isCheckingStatus = false;
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String? _error;
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String? _qrCodeData;
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String? _upiId;
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String? _upiReference;
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double? _amount;
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Timer? _statusCheckTimer;
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int _checkCount = 0;
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static const int _maxChecks = 60; // Check for 5 minutes (60 x 5 seconds)
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@override
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void initState() {
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super.initState();
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_loadQRCode();
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}
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@override
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void dispose() {
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_statusCheckTimer?.cancel();
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super.dispose();
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}
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Future<void> _loadQRCode() async {
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try {
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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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final response = await _apiService.get(
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'/payments/phonepe/qr/${widget.group.id}/${widget.month}/${widget.year}',
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);
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if (response['success'] == true) {
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final data = response['data'];
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setState(() {
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_qrCodeData = data['qr_code_data'];
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_upiId = data['upi_id'];
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_upiReference = data['upi_reference'];
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_amount = double.tryParse(data['amount'].toString()) ?? 0.0;
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_isLoading = false;
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});
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// Start checking for payment status
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_startStatusChecking();
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} else {
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setState(() {
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_error = response['message'] ?? 'Failed to load QR code';
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_isLoading = false;
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});
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}
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} catch (e) {
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setState(() {
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_error = 'Error loading QR code: $e';
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_isLoading = false;
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});
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}
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}
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void _startStatusChecking() {
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_statusCheckTimer = Timer.periodic(
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const Duration(seconds: 5),
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(timer) async {
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if (_checkCount >= _maxChecks || !mounted) {
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timer.cancel();
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return;
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}
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_checkCount++;
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await _checkPaymentStatus();
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},
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);
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}
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Future<void> _checkPaymentStatus() async {
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if (_isCheckingStatus || _upiReference == null) return;
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try {
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setState(() {
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_isCheckingStatus = true;
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});
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final response = await _apiService.get(
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'/payments/phonepe/status/$_upiReference',
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);
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if (response['success'] == true && response['data']['status'] == 'success') {
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// Payment confirmed!
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_statusCheckTimer?.cancel();
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if (mounted) {
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Get.snackbar(
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'Payment Confirmed!',
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'Your payment has been received and recorded',
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backgroundColor: Colors.green.shade100,
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colorText: Colors.green.shade800,
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icon: Icon(Icons.check_circle, color: Colors.green.shade600),
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duration: const Duration(seconds: 4),
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);
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Navigator.of(context).pop(true); // Return success
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}
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}
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} catch (e) {
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// Silently fail - will check again
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print('Status check error: $e');
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} finally {
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if (mounted) {
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setState(() {
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_isCheckingStatus = false;
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});
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}
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}
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}
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void _copyToClipboard(String text, String label) {
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Clipboard.setData(ClipboardData(text: text));
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Get.snackbar(
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'Copied!',
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'$label copied to clipboard',
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backgroundColor: Colors.blue.shade50,
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colorText: Colors.blue.shade900,
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duration: const Duration(seconds: 2),
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snackPosition: SnackPosition.BOTTOM,
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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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final monthNames = [
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'January', 'February', 'March', 'April', 'May', 'June',
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'July', 'August', 'September', 'October', 'November', 'December'
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];
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return Dialog(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(16.r),
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),
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child: Container(
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width: double.infinity,
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constraints: BoxConstraints(
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maxWidth: 450.w,
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maxHeight: 0.9.sh,
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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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// Header
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Container(
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padding: EdgeInsets.all(20.w),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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colors: [
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const Color(0xFF5F259F),
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const Color(0xFF7E3BB4),
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],
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),
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borderRadius: BorderRadius.only(
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topLeft: Radius.circular(16.r),
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topRight: Radius.circular(16.r),
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),
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),
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child: Row(
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children: [
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Container(
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padding: EdgeInsets.all(8.w),
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decoration: BoxDecoration(
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color: Colors.white.withOpacity(0.2),
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borderRadius: BorderRadius.circular(8.r),
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),
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child: Icon(
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Icons.qr_code_2,
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color: Colors.white,
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size: 24.w,
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),
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),
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SizedBox(width: 12.w),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'Pay via UPI',
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style: TextStyle(
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fontSize: 18.sp,
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fontWeight: FontWeight.w600,
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color: Colors.white,
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),
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),
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Text(
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'Scan QR or use UPI ID',
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style: TextStyle(
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fontSize: 14.sp,
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color: Colors.white.withOpacity(0.9),
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),
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),
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],
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),
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),
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IconButton(
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onPressed: () => Navigator.of(context).pop(),
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icon: Icon(
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Icons.close,
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size: 24.w,
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color: Colors.white,
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),
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),
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],
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),
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),
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// Content
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Flexible(
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child: SingleChildScrollView(
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padding: EdgeInsets.all(20.w),
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child: _isLoading
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? _buildLoadingState()
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: _error != null
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? _buildErrorState()
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: _buildQRContent(monthNames),
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),
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),
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// Footer with status
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if (!_isLoading && _error == null)
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Container(
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padding: EdgeInsets.all(16.w),
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decoration: BoxDecoration(
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color: _isCheckingStatus
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? Colors.orange.shade50
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: Colors.blue.shade50,
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border: Border(
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top: BorderSide(color: Colors.grey.shade200),
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),
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),
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child: Row(
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children: [
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if (_isCheckingStatus)
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SizedBox(
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width: 16.w,
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height: 16.h,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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valueColor: AlwaysStoppedAnimation<Color>(
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Colors.orange.shade600,
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),
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),
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)
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else
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Icon(
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Icons.info_outline,
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size: 16.w,
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color: Colors.blue.shade700,
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),
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SizedBox(width: 8.w),
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Expanded(
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child: Text(
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_isCheckingStatus
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? 'Checking for payment...'
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: 'Payment will be auto-detected once completed',
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style: TextStyle(
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fontSize: 12.sp,
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color: _isCheckingStatus
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? Colors.orange.shade800
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: Colors.blue.shade700,
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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 _buildLoadingState() {
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return Center(
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child: Padding(
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padding: EdgeInsets.all(40.w),
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child: Column(
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children: [
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CircularProgressIndicator(
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valueColor: AlwaysStoppedAnimation<Color>(
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const Color(0xFF5F259F),
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),
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),
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SizedBox(height: 16.h),
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Text(
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'Generating QR Code...',
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style: TextStyle(
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fontSize: 14.sp,
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color: Colors.grey.shade600,
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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 _buildErrorState() {
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return Center(
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child: Padding(
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padding: EdgeInsets.all(20.w),
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child: Column(
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children: [
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Icon(
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Icons.error_outline,
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size: 48.w,
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color: Colors.red.shade400,
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),
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SizedBox(height: 16.h),
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Text(
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_error!,
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 14.sp,
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color: Colors.red.shade700,
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),
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),
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SizedBox(height: 16.h),
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ElevatedButton.icon(
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onPressed: _loadQRCode,
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icon: Icon(Icons.refresh, size: 20.w),
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label: Text('Retry'),
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.red.shade600,
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foregroundColor: Colors.white,
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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 _buildQRContent(List<String> monthNames) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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// Payment Details
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Container(
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padding: EdgeInsets.all(16.w),
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decoration: BoxDecoration(
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color: Colors.grey.shade50,
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borderRadius: BorderRadius.circular(12.r),
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border: Border.all(color: Colors.grey.shade200),
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),
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child: Column(
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children: [
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_buildInfoRow('Group', widget.group.name),
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_buildInfoRow('Month', '${monthNames[widget.month - 1]} ${widget.year}'),
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Divider(height: 16.h),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'Amount',
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style: TextStyle(
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fontSize: 16.sp,
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fontWeight: FontWeight.w700,
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color: Colors.grey.shade800,
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),
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),
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Text(
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'₹${_amount?.toStringAsFixed(2)}',
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style: TextStyle(
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fontSize: 24.sp,
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fontWeight: FontWeight.w800,
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color: Colors.green.shade700,
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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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SizedBox(height: 24.h),
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// QR Code
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Container(
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padding: EdgeInsets.all(16.w),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(12.r),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.1),
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blurRadius: 8.r,
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offset: Offset(0, 2.h),
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),
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],
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),
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child: Column(
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children: [
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QrImageView(
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data: _qrCodeData!,
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version: QrVersions.auto,
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size: 200.w,
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backgroundColor: Colors.white,
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),
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SizedBox(height: 12.h),
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Text(
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'Scan with any UPI app',
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style: TextStyle(
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fontSize: 14.sp,
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color: Colors.grey.shade600,
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fontWeight: FontWeight.w500,
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),
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),
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],
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),
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),
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SizedBox(height: 24.h),
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// UPI ID
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Container(
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padding: EdgeInsets.all(12.w),
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decoration: BoxDecoration(
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color: Colors.blue.shade50,
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borderRadius: BorderRadius.circular(8.r),
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border: Border.all(color: Colors.blue.shade200),
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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(
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'Or pay using UPI ID',
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style: TextStyle(
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fontSize: 14.sp,
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fontWeight: FontWeight.w600,
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color: Colors.blue.shade900,
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),
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),
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SizedBox(height: 8.h),
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Row(
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children: [
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Expanded(
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child: SelectableText(
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_upiId!,
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style: TextStyle(
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fontSize: 16.sp,
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fontWeight: FontWeight.w700,
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color: Colors.blue.shade700,
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fontFamily: 'monospace',
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),
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),
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),
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IconButton(
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onPressed: () => _copyToClipboard(_upiId!, 'UPI ID'),
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icon: Icon(Icons.copy, size: 20.w),
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style: IconButton.styleFrom(
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backgroundColor: Colors.blue.shade100,
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),
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tooltip: 'Copy UPI ID',
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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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SizedBox(height: 16.h),
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// Reference Number
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Container(
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padding: EdgeInsets.all(12.w),
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decoration: BoxDecoration(
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color: Colors.orange.shade50,
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borderRadius: BorderRadius.circular(8.r),
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border: Border.all(color: Colors.orange.shade200),
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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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Row(
|
|
children: [
|
|
Icon(
|
|
Icons.warning_amber_rounded,
|
|
size: 18.w,
|
|
color: Colors.orange.shade700,
|
|
),
|
|
SizedBox(width: 8.w),
|
|
Text(
|
|
'Important: Add this reference',
|
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style: TextStyle(
|
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fontSize: 14.sp,
|
|
fontWeight: FontWeight.w600,
|
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color: Colors.orange.shade900,
|
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),
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),
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],
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),
|
|
SizedBox(height: 8.h),
|
|
Row(
|
|
children: [
|
|
Expanded(
|
|
child: SelectableText(
|
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_upiReference!,
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style: TextStyle(
|
|
fontSize: 14.sp,
|
|
fontWeight: FontWeight.w700,
|
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color: Colors.orange.shade700,
|
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fontFamily: 'monospace',
|
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),
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),
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),
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IconButton(
|
|
onPressed: () => _copyToClipboard(_upiReference!, 'Reference'),
|
|
icon: Icon(Icons.copy, size: 20.w),
|
|
style: IconButton.styleFrom(
|
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backgroundColor: Colors.orange.shade100,
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),
|
|
tooltip: 'Copy Reference',
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),
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],
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),
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|
SizedBox(height: 4.h),
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Text(
|
|
'Add this in remarks/note for auto-matching',
|
|
style: TextStyle(
|
|
fontSize: 12.sp,
|
|
color: Colors.orange.shade700,
|
|
),
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),
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],
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),
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),
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|
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SizedBox(height: 24.h),
|
|
|
|
// Instructions
|
|
Container(
|
|
padding: EdgeInsets.all(12.w),
|
|
decoration: BoxDecoration(
|
|
color: Colors.green.shade50,
|
|
borderRadius: BorderRadius.circular(8.r),
|
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),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(
|
|
'How to pay:',
|
|
style: TextStyle(
|
|
fontSize: 14.sp,
|
|
fontWeight: FontWeight.w600,
|
|
color: Colors.green.shade900,
|
|
),
|
|
),
|
|
SizedBox(height: 8.h),
|
|
_buildInstructionItem('1. Open any UPI app (PhonePe, GPay, Paytm, etc.)'),
|
|
_buildInstructionItem('2. Scan the QR code above'),
|
|
_buildInstructionItem('3. Or enter the UPI ID manually'),
|
|
_buildInstructionItem('4. Add the reference number in remarks'),
|
|
_buildInstructionItem('5. Complete the payment'),
|
|
SizedBox(height: 8.h),
|
|
Text(
|
|
'✓ Payment will be auto-detected within seconds!',
|
|
style: TextStyle(
|
|
fontSize: 13.sp,
|
|
fontWeight: FontWeight.w600,
|
|
color: Colors.green.shade700,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
);
|
|
}
|
|
|
|
Widget _buildInfoRow(String label, String value) {
|
|
return Padding(
|
|
padding: EdgeInsets.symmetric(vertical: 4.h),
|
|
child: Row(
|
|
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
|
children: [
|
|
Text(
|
|
label,
|
|
style: TextStyle(
|
|
fontSize: 14.sp,
|
|
color: Colors.grey.shade700,
|
|
),
|
|
),
|
|
Flexible(
|
|
child: Text(
|
|
value,
|
|
style: TextStyle(
|
|
fontSize: 14.sp,
|
|
fontWeight: FontWeight.w600,
|
|
color: Colors.grey.shade900,
|
|
),
|
|
overflow: TextOverflow.ellipsis,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildInstructionItem(String text) {
|
|
return Padding(
|
|
padding: EdgeInsets.only(bottom: 4.h),
|
|
child: Row(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text('• ', style: TextStyle(fontSize: 14.sp, color: Colors.green.shade700)),
|
|
Expanded(
|
|
child: Text(
|
|
text,
|
|
style: TextStyle(
|
|
fontSize: 12.sp,
|
|
color: Colors.green.shade700,
|
|
height: 1.4,
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|