129 lines
3.5 KiB
Dart
129 lines
3.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_dotenv/flutter_dotenv.dart';
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import 'package:go_router/go_router.dart';
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import 'package:qpay/screens/gateway/gateway_controller.dart';
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import 'package:qpay/widgets/app_snack_bar.dart';
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import 'package:webview_flutter/webview_flutter.dart';
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class GatewayScreen extends StatefulWidget {
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const GatewayScreen({super.key});
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@override
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State<GatewayScreen> createState() => _GatewayScreenState();
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}
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class _GatewayScreenState extends State<GatewayScreen> {
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late WebViewController _webViewController;
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late GatewayController controller;
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late String url;
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String? sessionID;
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bool integrationStarted = false;
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@override
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void initState() {
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super.initState();
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controller = GatewayController(context);
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// https://na.gateway.mastercard.com/checkout/pay/SESSION0002220827459I8059951J88?checkoutVersion=1.0.0
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url = controller.transactionController.model.receiptData?['targetUrl'];
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_initWebView();
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}
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void _initWebView() async {
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_webViewController = WebViewController()
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..setJavaScriptMode(JavaScriptMode.unrestricted)
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..setNavigationDelegate(
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NavigationDelegate(
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onProgress: (int progress) {
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// Update loading bar.
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},
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onPageStarted: (String url) {
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controller.startLoading();
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},
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onPageFinished: (String url) {
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controller.finishLoading();
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},
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onHttpError: (HttpResponseError error) {},
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onWebResourceError: (WebResourceError error) {},
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onUrlChange: (UrlChange url) async {
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print("URL Changed to ${url.url!}");
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_navigateWhenDone(url.url!);
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},
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),
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)
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..loadRequest(Uri.parse(url));
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bool simulate = bool.parse(dotenv.env['SIMULATE_PAYMENT_SUCCESS']!);
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if (simulate) {
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await Future.delayed(Duration(seconds: 10));
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String targetUrl = url.replaceAll("/pay/", "/receipt/");
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_webViewController.loadRequest(Uri.parse(targetUrl));
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}
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}
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void _navigateWhenDone(String url) {
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if (url.contains("/checkout/receipt/")) {
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if (integrationStarted) {
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return;
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}
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AppSnackBar.show(
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context,
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'Payment was successful, please wait while we process your order.',
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backgroundColor: Colors.black87,
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duration: const Duration(seconds: 10),
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);
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setState(() {
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integrationStarted = true;
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});
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WidgetsBinding.instance.addPostFrameCallback((_) {
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context.go('/poll');
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});
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}
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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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super.dispose();
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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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title: const Text('Complete your payment'),
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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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),
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body: ListenableBuilder(
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listenable: controller,
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builder: (context, child) {
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if (controller.model.status == 'SUCCESS') {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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context.go('/integration');
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});
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}
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return controller.model.isLoading
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? const Center(child: CircularProgressIndicator(strokeWidth: 5))
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: SizedBox.expand(
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child: WebViewWidget(controller: _webViewController),
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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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