157 lines
5.4 KiB
Dart
157 lines
5.4 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter_app/app/models/cart_line_item.dart';
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import 'package:flutter_app/app/models/checkout_session.dart';
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import 'package:flutter_app/app/models/customer_address.dart';
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import 'package:flutter_app/bootstrap/app_helper.dart';
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import 'package:flutter_app/bootstrap/helpers.dart';
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import 'dart:async';
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import 'package:flutter_webview_plugin/flutter_webview_plugin.dart';
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import 'package:nylo_framework/helpers/helper.dart';
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import 'package:nylo_framework/widgets/ny_state.dart';
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import 'package:woosignal/models/response/woosignal_app.dart';
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class PayPalCheckout extends StatefulWidget {
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final String description;
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final String amount;
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final List<CartLineItem> cartLineItems;
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PayPalCheckout({this.description, this.amount, this.cartLineItems});
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@override
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WebViewState createState() => WebViewState();
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}
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class WebViewState extends NyState<PayPalCheckout> {
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final flutterWebViewPlugin = new FlutterWebviewPlugin();
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String payerId = '';
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int intCount = 0;
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StreamSubscription<String> _onUrlChanged;
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WooSignalApp _wooSignalApp = AppHelper.instance.appConfig;
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String formCheckoutShippingAddress;
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setCheckoutShippingAddress(CustomerAddress customerAddress) {
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String tmp = "";
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if (customerAddress.firstName != null) {
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tmp +=
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'<input type="hidden" name="first_name" value="${customerAddress.firstName}">\n';
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}
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if (customerAddress.lastName != null) {
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tmp +=
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'<input type="hidden" name="last_name" value="${customerAddress.lastName}">\n';
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}
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if (customerAddress.addressLine != null) {
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tmp +=
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'<input type="hidden" name="address1" value="${customerAddress.addressLine}">\n';
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}
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if (customerAddress.city != null) {
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tmp +=
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'<input type="hidden" name="city" value="${customerAddress.city}">\n';
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}
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if (customerAddress.customerCountry.hasState() &&
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customerAddress.customerCountry.state.name != null) {
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tmp +=
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'<input type="hidden" name="state" value="${customerAddress.customerCountry.state.name}">\n';
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}
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if (customerAddress.postalCode != null) {
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tmp +=
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'<input type="hidden" name="zip" value="${customerAddress.postalCode}">\n';
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}
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if (customerAddress.customerCountry.countryCode != null) {
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tmp +=
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'<input type="hidden" name="country" value="${customerAddress.customerCountry.countryCode}">\n';
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}
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formCheckoutShippingAddress = tmp;
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}
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String getPayPalItemName() {
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return truncateString(widget.description, 124);
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}
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String getPayPalPaymentType() {
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return Platform.isAndroid ? "PayPal - Android App" : "PayPal - IOS App";
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}
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String getPayPalUrl() {
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bool liveMode = getEnv('PAYPAL_LIVE_MODE', defaultValue: false);
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return liveMode == true
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? "https://www.paypal.com/cgi-bin/webscr"
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: "https://www.sandbox.paypal.com/cgi-bin/webscr";
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}
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@override
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void initState() {
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super.initState();
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setCheckoutShippingAddress(
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CheckoutSession.getInstance.billingDetails.shippingAddress);
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setState(() {});
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_onUrlChanged = flutterWebViewPlugin.onUrlChanged.listen((String url) {
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if (intCount > 0) {
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url = url.replaceAll("~", "_");
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}
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intCount = intCount + 1;
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if (url.contains("payment_success")) {
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var uri = Uri.dataFromString(url);
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setState(() {
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payerId = uri.queryParameters['PayerID'];
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});
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Navigator.pop(context, {"status": "success", "payerId": payerId});
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} else if (url.contains("payment_failure")) {
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Navigator.pop(context, {"status": "cancelled"});
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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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_onUrlChanged.cancel();
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flutterWebViewPlugin.dispose();
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super.dispose();
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}
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String _loadHTML() {
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return '''
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<html><head><title>${trans(context, "Processing Payment")}...</title></head>
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<body onload="document.forms['paypal_form'].submit();">
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<div style="text-align:center;">
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<img src="https://woosignal.com/images/paypal_logo.png" height="50" />
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</div>
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<center><h4>${trans(context, "Please wait, your order is being processed and you will be redirected to the PayPal website.")}</h4></center>
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<form method="post" name="paypal_form" action="${getPayPalUrl()}">
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<input type="hidden" name="cmd" value="_xclick">
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<input type="hidden" name="amount" value="${widget.amount}">
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<input type="hidden" name="currency_code" value="${_wooSignalApp.currencyMeta.code}">
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<input type="hidden" name="business" value="${getEnv('PAYPAL_ACCOUNT_EMAIL')}">
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<input type="hidden" name="return" value="https://woosignal.com/paypal/payment~success">
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<input type="hidden" name="cancel_return" value="https://woosignal.com/paypal/payment~failure">
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<input type="hidden" name="item_name" value="${getPayPalItemName()}">
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<input type="hidden" name="custom" value="${getPayPalPaymentType()}">
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<input type="hidden" name="address_override" value="1">
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$formCheckoutShippingAddress
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<center><br><br>${trans(context, "If you are not automatically redirected to PayPal within 5 seconds")}...<br><br>
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<input type="submit" value="Click Here"></center>
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</form></body></html>
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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 WebviewScaffold(
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url: Uri.dataFromString(_loadHTML(), mimeType: 'text/html').toString(),
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appBar: AppBar(
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centerTitle: true,
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automaticallyImplyLeading: false,
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title: Text(
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trans(context, "PayPal Checkout"),
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textAlign: TextAlign.center,
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),
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),
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);
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}
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}
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