868 lines
32 KiB
Dart
868 lines
32 KiB
Dart
import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:go_router/go_router.dart';
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import 'package:provider/provider.dart';
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import 'package:qpay/models/responsive_policy.dart';
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import 'package:qpay/screens/accounts/account_provider.dart';
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import 'package:qpay/screens/confirm/confirm_controller.dart';
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import 'package:qpay/widgets/app_snack_bar.dart';
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import 'package:skeletonizer/skeletonizer.dart';
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import 'package:url_launcher/url_launcher.dart';
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import '../transactions/transaction_model.dart';
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class ConfirmScreen extends StatefulWidget {
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const ConfirmScreen({super.key});
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@override
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State<ConfirmScreen> createState() => _ConfirmScreenState();
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}
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class _ConfirmScreenState extends State<ConfirmScreen>
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with TickerProviderStateMixin {
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late ConfirmController controller;
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late Animation<double> _fadeAnimation;
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late Animation<Offset> _slideAnimation;
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late AnimationController _controller;
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final _formKey = GlobalKey<FormState>();
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@override
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void initState() {
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super.initState();
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controller = ConfirmController(context);
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_controller = AnimationController(
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vsync: this,
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duration: const Duration(milliseconds: 800),
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);
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_fadeAnimation = Tween<double>(begin: 0.0, end: 1.0).animate(
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CurvedAnimation(
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parent: _controller,
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curve: const Interval(0.0, 0.5, curve: Curves.easeOut),
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),
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);
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_slideAnimation =
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Tween<Offset>(begin: const Offset(0, 0.1), end: Offset.zero).animate(
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CurvedAnimation(
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parent: _controller,
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curve: const Interval(0.0, 0.5, curve: Curves.easeOut),
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),
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);
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_controller.forward();
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}
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@override
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void dispose() {
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_controller.dispose();
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controller.dispose();
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super.dispose();
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}
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void _handlePayment() async {
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try {
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if (controller.model.isLoading) return;
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final response = await controller.doTransaction();
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if (!response.isSuccess) {
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if (context.mounted) {
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AppSnackBar.showError(
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context,
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controller.model.errorMessage ??
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response.error ??
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"Transaction failed",
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);
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}
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return;
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}
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if (!mounted) return;
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// Check if the selected payment processor is a wallet (e.g. Velocity)
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if (controller
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.transactionController
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.model
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.selectedPaymentProcessor
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.label ==
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'WALLET') {
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final otp = await _showOtpBottomSheet();
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if (otp == null) return; // User cancelled or dismissed the bottom sheet
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if (!mounted) return;
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final transactionId =
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controller.transactionController.model.confirmationData['id'];
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final otpResponse = await controller.updateVelocityTransactionOtp(
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transactionId,
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{'verificationCode': otp},
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);
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if (!otpResponse.isSuccess) {
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if (context.mounted) {
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AppSnackBar.showError(
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context,
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controller.model.errorMessage ??
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otpResponse.error ??
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"OTP verification failed",
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);
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}
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return;
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}
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if (!mounted) return;
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}
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// Proceed with normal flow after OTP step (or skip if not WALLET)
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if (controller
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.transactionController
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.model
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.selectedPaymentProcessor
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.authType ==
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"WEB") {
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if (kIsWeb) {
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final txData = TransactionModel.fromJson(response.data!);
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// VMC is the only method that requires redirect for now
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if (txData.targetUrl != null) {
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final proceed = await _showLeavingSiteBottomSheet();
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if (proceed != true) return;
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if (!mounted) return;
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await launchUrl(
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Uri.parse(txData.targetUrl!),
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mode: LaunchMode
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.externalApplication, // always open in external browser
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);
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}
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// sent user to another tab and navigate to polling page to wait for response
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if (!mounted) return;
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context.push('/poll/${txData.id}');
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} else {
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context.push('/gateway');
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}
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} else {
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if (!mounted) return;
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context.push('/poll');
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}
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} catch (e, s) {
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print(e);
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print(s);
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}
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}
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Future<String?> _showOtpBottomSheet() async {
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final theme = Theme.of(context);
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final isDark = theme.brightness == Brightness.dark;
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final otpController = TextEditingController();
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final formKey = GlobalKey<FormState>();
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return showModalBottomSheet<String>(
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context: context,
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isScrollControlled: true,
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backgroundColor: Colors.transparent,
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builder: (sheetContext) {
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return Padding(
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padding: EdgeInsets.only(
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bottom: MediaQuery.of(sheetContext).viewInsets.bottom,
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),
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child: Container(
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decoration: BoxDecoration(
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color: isDark ? const Color(0xFF1A1A2E) : Colors.white,
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borderRadius: const BorderRadius.vertical(
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top: Radius.circular(24),
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),
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),
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padding: const EdgeInsets.fromLTRB(20, 12, 20, 24),
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child: Form(
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key: formKey,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Center(
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child: Container(
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width: 40,
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height: 4,
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margin: const EdgeInsets.only(bottom: 16),
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decoration: BoxDecoration(
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color: Colors.grey.shade300,
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borderRadius: BorderRadius.circular(2),
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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: 56,
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height: 56,
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decoration: BoxDecoration(
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color: theme.colorScheme.primary.withValues(alpha: 0.1),
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shape: BoxShape.circle,
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),
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child: Icon(
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Icons.verified_user_rounded,
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size: 28,
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color: theme.colorScheme.primary,
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),
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),
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),
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const SizedBox(height: 16),
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Text(
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'OTP Verification',
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.w700,
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color: isDark ? Colors.white : Colors.black87,
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),
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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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'An OTP has been sent to your registered mobile number/email. Please enter it below to proceed.',
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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color: Colors.grey.shade500,
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),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 20),
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TextFormField(
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controller: otpController,
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keyboardType: TextInputType.number,
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textAlign: TextAlign.center,
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maxLength: 6,
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style: TextStyle(
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fontSize: 24,
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fontWeight: FontWeight.w700,
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letterSpacing: 8,
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color: isDark ? Colors.white : Colors.black87,
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),
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decoration: InputDecoration(
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counterText: '',
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hintText: '------',
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hintStyle: TextStyle(
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fontSize: 24,
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fontWeight: FontWeight.w700,
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letterSpacing: 8,
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color: Colors.grey.shade400,
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),
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filled: true,
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fillColor: isDark
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? Colors.white.withValues(alpha: 0.06)
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: Colors.grey.shade50,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: BorderSide.none,
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: BorderSide(
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color: theme.colorScheme.primary,
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width: 2,
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),
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),
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errorBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: BorderSide(color: Colors.red.shade400),
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),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 14,
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),
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),
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validator: (value) {
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if (value == null || value.trim().isEmpty) {
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return 'Please enter the OTP';
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}
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if (value.trim().length < 4) {
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return 'OTP must be at least 4 digits';
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}
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return null;
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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: () {
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if (formKey.currentState?.validate() ?? false) {
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Navigator.of(
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sheetContext,
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).pop(otpController.text.trim());
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}
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: theme.colorScheme.primary,
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foregroundColor: Colors.white,
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padding: const EdgeInsets.symmetric(vertical: 14),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(14),
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),
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elevation: 0,
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),
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child: const Text(
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'Submit',
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style: TextStyle(
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fontSize: 15,
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fontWeight: FontWeight.w700,
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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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}
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/// Shows a bottom sheet informing the user they are about to leave this site.
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/// Returns `true` if the user chooses to proceed, `null` if they dismiss or cancel.
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Future<bool?> _showLeavingSiteBottomSheet() async {
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final theme = Theme.of(context);
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final isDark = theme.brightness == Brightness.dark;
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return showModalBottomSheet<bool>(
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context: context,
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isScrollControlled: true,
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backgroundColor: Colors.transparent,
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builder: (sheetContext) {
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return Padding(
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padding: EdgeInsets.only(
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bottom: MediaQuery.of(sheetContext).viewInsets.bottom,
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),
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child: Container(
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decoration: BoxDecoration(
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color: isDark ? const Color(0xFF1A1A2E) : Colors.white,
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borderRadius: const BorderRadius.vertical(
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top: Radius.circular(24),
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),
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),
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padding: const EdgeInsets.fromLTRB(20, 12, 20, 24),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Center(
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child: Container(
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width: 40,
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height: 4,
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margin: const EdgeInsets.only(bottom: 16),
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decoration: BoxDecoration(
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color: Colors.grey.shade300,
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borderRadius: BorderRadius.circular(2),
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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: 56,
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height: 56,
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decoration: BoxDecoration(
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color: Colors.orange.withValues(alpha: 0.1),
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shape: BoxShape.circle,
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),
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child: const Icon(
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Icons.security_sharp,
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size: 28,
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color: Colors.orange,
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),
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),
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),
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const SizedBox(height: 16),
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Center(
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child: Text(
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'Secure Payment Stage',
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.w700,
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color: isDark ? Colors.white : Colors.black87,
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),
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textAlign: TextAlign.center,
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),
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),
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const SizedBox(height: 8),
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Text(
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'We are now redirecting you to our secure payment page. If nothing happens after the redirect, please make sure pop-ups are allowed in your browser settings.',
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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color: Colors.grey.shade500,
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),
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textAlign: TextAlign.center,
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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: () {
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Navigator.of(sheetContext).pop(true);
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: theme.colorScheme.primary,
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foregroundColor: Colors.white,
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padding: const EdgeInsets.symmetric(vertical: 14),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(14),
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),
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elevation: 0,
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),
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child: const Text(
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'Proceed',
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style: TextStyle(
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fontSize: 15,
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fontWeight: FontWeight.w700,
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),
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),
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),
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),
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const SizedBox(height: 8),
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SizedBox(
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width: double.infinity,
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child: OutlinedButton(
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onPressed: () {
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Navigator.of(sheetContext).pop(null);
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},
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style: OutlinedButton.styleFrom(
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padding: const EdgeInsets.symmetric(vertical: 14),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(14),
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),
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),
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child: const Text(
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'Cancel',
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style: TextStyle(
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fontSize: 15,
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fontWeight: FontWeight.w600,
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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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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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leading: context.canPop()
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? IconButton(
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onPressed: () {
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context.pop();
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},
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icon: const Icon(Icons.arrow_back),
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)
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: SizedBox.shrink(),
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title: const Text(
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'Confirm Payment',
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style: TextStyle(color: Colors.black87),
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),
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),
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body: ListenableBuilder(
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listenable: controller,
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builder: (context, child) {
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return SingleChildScrollView(
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child: Padding(
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padding: const EdgeInsets.all(20.0),
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child: FadeTransition(
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opacity: _fadeAnimation,
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child: SlideTransition(
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position: _slideAnimation,
|
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child: Form(
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key: _formKey,
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child: Center(
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child: LayoutBuilder(
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builder: (context, constraints) {
|
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return SizedBox(
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width: double.parse(
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constraints.maxWidth > ResponsivePolicy.md
|
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? ResponsivePolicy.md.toString()
|
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: constraints.maxWidth.toString(),
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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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// Provider Details Card
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_buildInfoCard(
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icon: Icons.business_outlined,
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title: "PROVIDER DETAILS",
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children: [
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...controller
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.transactionController
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.model
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.confirmationData["additionalData"]
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.map<Widget>((data) {
|
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return _buildDetailRow(
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icon: Icons.info_outline,
|
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label: data["name"] ?? "",
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value: data["value"] ?? "",
|
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);
|
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})
|
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.toList(),
|
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],
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),
|
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const SizedBox(height: 20),
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// Transaction Details Card
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_buildInfoCard(
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icon: Icons.receipt_long_outlined,
|
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title: "TRANSACTION DETAILS",
|
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children: [
|
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_buildDetailRow(
|
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icon: Icons.monetization_on_outlined,
|
|
label: "Currency",
|
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value: controller
|
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.transactionController
|
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.model
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.confirmationData["debitCurrency"]
|
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.toString(),
|
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),
|
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_buildDetailRow(
|
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icon: Icons.money,
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label: "Amount",
|
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value: controller
|
|
.transactionController
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.model
|
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.confirmationData["amount"]
|
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.toString(),
|
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),
|
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if (controller
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.transactionController
|
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.model
|
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.confirmationData["charge"] !=
|
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0)
|
|
_buildDetailRow(
|
|
icon: Icons.percent_outlined,
|
|
label: "Our Charge",
|
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value: controller
|
|
.transactionController
|
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.model
|
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.confirmationData["charge"]
|
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.toString(),
|
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),
|
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if (controller
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.transactionController
|
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.model
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.confirmationData["gatewayCharge"] !=
|
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0)
|
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_buildDetailRow(
|
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icon: Icons.account_balance_outlined,
|
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label: "Gateway Charge",
|
|
value: controller
|
|
.transactionController
|
|
.model
|
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.confirmationData["gatewayCharge"]
|
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.toString(),
|
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),
|
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if (controller
|
|
.transactionController
|
|
.model
|
|
.confirmationData["tax"] !=
|
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0)
|
|
_buildDetailRow(
|
|
icon: Icons.receipt_outlined,
|
|
label: "Tax",
|
|
value: controller
|
|
.transactionController
|
|
.model
|
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.confirmationData["tax"]
|
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.toString(),
|
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),
|
|
const Divider(
|
|
height: 1,
|
|
color: Colors.grey,
|
|
),
|
|
const SizedBox(height: 12),
|
|
_buildDetailRow(
|
|
icon: Icons.summarize_outlined,
|
|
label: "Total Amount",
|
|
value: controller
|
|
.transactionController
|
|
.model
|
|
.confirmationData["totalAmount"]
|
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.toString(),
|
|
valueStyle: TextStyle(
|
|
fontSize: 16,
|
|
fontWeight: FontWeight.w700,
|
|
color: Theme.of(
|
|
context,
|
|
).colorScheme.primary,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 8),
|
|
Padding(
|
|
padding: const EdgeInsets.only(left: 4),
|
|
child: Text(
|
|
"NB: Your payment provider may charge additional fees.",
|
|
style: TextStyle(
|
|
fontSize: 11,
|
|
color: Colors.red.shade600,
|
|
),
|
|
),
|
|
),
|
|
const SizedBox(height: 20),
|
|
_buildPaymentProcessorButton(),
|
|
const SizedBox(height: 20),
|
|
Center(
|
|
child: OutlinedButton(
|
|
child: Text('Cancel'),
|
|
onPressed: () {
|
|
context.go('/');
|
|
},
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
},
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
},
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildInfoCard({
|
|
required IconData icon,
|
|
required String title,
|
|
required List<Widget> children,
|
|
}) {
|
|
return Container(
|
|
width: double.infinity,
|
|
decoration: BoxDecoration(
|
|
color: Colors.white,
|
|
borderRadius: BorderRadius.circular(16),
|
|
border: Border.all(color: Colors.grey.shade200, width: 1),
|
|
boxShadow: [
|
|
BoxShadow(
|
|
color: Colors.black.withValues(alpha: 0.04),
|
|
blurRadius: 8,
|
|
offset: const Offset(0, 2),
|
|
),
|
|
],
|
|
),
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(20),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Row(
|
|
children: [
|
|
Icon(
|
|
icon,
|
|
size: 18,
|
|
color: Theme.of(context).colorScheme.primary,
|
|
),
|
|
const SizedBox(width: 8),
|
|
Text(
|
|
title,
|
|
style: TextStyle(
|
|
fontSize: 13,
|
|
fontWeight: FontWeight.w700,
|
|
color: Theme.of(context).colorScheme.primary,
|
|
letterSpacing: 1.0,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 16),
|
|
Divider(height: 1, color: Colors.grey.shade200),
|
|
const SizedBox(height: 16),
|
|
...children,
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildDetailRow({
|
|
required IconData icon,
|
|
required String label,
|
|
required String value,
|
|
TextStyle? valueStyle,
|
|
}) {
|
|
return Padding(
|
|
padding: const EdgeInsets.only(bottom: 12),
|
|
child: Row(
|
|
children: [
|
|
Icon(icon, size: 16, color: Colors.grey.shade500),
|
|
const SizedBox(width: 10),
|
|
Text(
|
|
label,
|
|
style: TextStyle(fontSize: 14, color: Colors.grey.shade600),
|
|
),
|
|
const Spacer(),
|
|
Text(
|
|
value,
|
|
style:
|
|
valueStyle ??
|
|
TextStyle(
|
|
fontSize: 14,
|
|
fontWeight: FontWeight.w600,
|
|
color: Colors.black87,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildPaymentProcessorButton() {
|
|
return Skeletonizer(
|
|
enabled: controller.model.isLoading,
|
|
child: SlideTransition(
|
|
position: _slideAnimation,
|
|
child: Container(
|
|
decoration: BoxDecoration(
|
|
border: Border.all(color: Colors.black87.withAlpha(20)),
|
|
borderRadius: BorderRadius.circular(12),
|
|
gradient: LinearGradient(
|
|
colors: [
|
|
Theme.of(context).colorScheme.primary.withValues(alpha: 0.1),
|
|
Theme.of(context).colorScheme.tertiary.withValues(alpha: 0.05),
|
|
],
|
|
stops: const [0.3, 0.7],
|
|
begin: Alignment.topRight,
|
|
end: Alignment.bottomLeft,
|
|
),
|
|
),
|
|
child: InkWell(
|
|
customBorder: RoundedRectangleBorder(
|
|
borderRadius: BorderRadius.circular(12),
|
|
),
|
|
onTap: () async {
|
|
_handlePayment();
|
|
},
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(12),
|
|
child: Column(
|
|
children: [
|
|
ListTile(
|
|
contentPadding: EdgeInsets.zero,
|
|
leading: Container(
|
|
padding: const EdgeInsets.all(8),
|
|
decoration: BoxDecoration(
|
|
color: Theme.of(
|
|
context,
|
|
).colorScheme.primary.withValues(alpha: 0.1),
|
|
shape: BoxShape.circle,
|
|
),
|
|
child: Image(
|
|
image: AssetImage(
|
|
"assets/${controller.transactionController.model.selectedPaymentProcessor.image}",
|
|
),
|
|
),
|
|
),
|
|
title: Text(
|
|
controller
|
|
.transactionController
|
|
.model
|
|
.selectedPaymentProcessor
|
|
.name,
|
|
style: TextStyle(fontWeight: FontWeight.bold),
|
|
),
|
|
subtitle: Text(
|
|
controller
|
|
.transactionController
|
|
.model
|
|
.selectedPaymentProcessor
|
|
.description,
|
|
style: TextStyle(
|
|
fontWeight: FontWeight.normal,
|
|
fontSize: 10,
|
|
),
|
|
),
|
|
trailing: Icon(
|
|
Icons.chevron_right,
|
|
color: Theme.of(
|
|
context,
|
|
).colorScheme.secondary.withValues(alpha: 0.7),
|
|
),
|
|
),
|
|
Builder(
|
|
builder: (context) {
|
|
final accountProvider = context.watch<AccountProvider>();
|
|
final currency = controller
|
|
.transactionController
|
|
.model
|
|
.confirmationData["debitCurrency"]
|
|
?.toString();
|
|
final cityWallet = currency != null
|
|
? accountProvider.balanceForCurrency(currency)
|
|
: null;
|
|
final hasCityWallet = cityWallet != null;
|
|
if (!hasCityWallet) return const SizedBox.shrink();
|
|
|
|
if (controller
|
|
.transactionController
|
|
.model
|
|
.selectedPaymentProcessor
|
|
.label !=
|
|
'WALLET') {
|
|
return const SizedBox.shrink();
|
|
}
|
|
|
|
return Padding(
|
|
padding: const EdgeInsets.only(top: 4, bottom: 4),
|
|
child: Row(
|
|
children: [
|
|
Icon(
|
|
Icons.account_balance_wallet_outlined,
|
|
size: 14,
|
|
color: Theme.of(
|
|
context,
|
|
).colorScheme.primary.withValues(alpha: 0.7),
|
|
),
|
|
const SizedBox(width: 6),
|
|
Text(
|
|
'City Wallet Balance',
|
|
style: TextStyle(
|
|
fontSize: 11,
|
|
fontWeight: FontWeight.w500,
|
|
color: Theme.of(
|
|
context,
|
|
).colorScheme.primary.withValues(alpha: 0.7),
|
|
),
|
|
),
|
|
const Spacer(),
|
|
Text(
|
|
'\$${cityWallet.balance.toStringAsFixed(2)}',
|
|
style: TextStyle(
|
|
fontSize: 13,
|
|
fontWeight: FontWeight.w700,
|
|
color: Theme.of(context).colorScheme.primary,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
},
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|