375 lines
12 KiB
Dart
375 lines
12 KiB
Dart
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter_redux/flutter_redux.dart';
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import 'package:in_app_purchase/in_app_purchase.dart';
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import 'package:in_app_purchase_android/billing_client_wrappers.dart';
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import 'package:in_app_purchase_android/in_app_purchase_android.dart';
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import 'package:in_app_purchase_storekit/in_app_purchase_storekit.dart';
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import 'package:in_app_purchase_storekit/store_kit_wrappers.dart';
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import 'package:invoiceninja_flutter/constants.dart';
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import 'package:invoiceninja_flutter/data/web_client.dart';
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import 'package:invoiceninja_flutter/main_app.dart';
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import 'package:invoiceninja_flutter/redux/app/app_state.dart';
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import 'package:invoiceninja_flutter/utils/localization.dart';
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class UpgradeDialog extends StatefulWidget {
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@override
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State<UpgradeDialog> createState() => _UpgradeDialogState();
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}
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class _UpgradeDialogState extends State<UpgradeDialog> {
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final InAppPurchase _inAppPurchase = InAppPurchase.instance;
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StreamSubscription<List<PurchaseDetails>> _subscription;
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List<ProductDetails> _products = <ProductDetails>[];
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List<PurchaseDetails> _purchases = <PurchaseDetails>[];
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bool _isAvailable = false;
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bool _purchasePending = false;
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bool _loading = true;
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String _queryProductError;
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@override
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void initState() {
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final Stream<List<PurchaseDetails>> purchaseUpdated =
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_inAppPurchase.purchaseStream;
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_subscription =
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purchaseUpdated.listen((List<PurchaseDetails> purchaseDetailsList) {
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_listenToPurchaseUpdated(purchaseDetailsList);
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}, onDone: () {
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_subscription.cancel();
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}, onError: (Object error) {
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// handle error here.
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});
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initStoreInfo();
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super.initState();
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}
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Future<void> initStoreInfo() async {
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final bool isAvailable = await _inAppPurchase.isAvailable();
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if (!isAvailable) {
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setState(() {
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_isAvailable = isAvailable;
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_products = <ProductDetails>[];
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_purchases = <PurchaseDetails>[];
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_purchasePending = false;
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_loading = false;
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});
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return;
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}
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if (Platform.isIOS) {
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final InAppPurchaseStoreKitPlatformAddition iosPlatformAddition =
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_inAppPurchase
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.getPlatformAddition<InAppPurchaseStoreKitPlatformAddition>();
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await iosPlatformAddition.setDelegate(ExamplePaymentQueueDelegate());
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}
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final ProductDetailsResponse productDetailResponse =
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await _inAppPurchase.queryProductDetails(kProductPlans.toSet());
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if (productDetailResponse.error != null) {
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setState(() {
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_queryProductError = productDetailResponse.error.message;
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_isAvailable = isAvailable;
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_products = productDetailResponse.productDetails;
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_purchases = <PurchaseDetails>[];
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_purchasePending = false;
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_loading = false;
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});
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return;
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}
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if (productDetailResponse.productDetails.isEmpty) {
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setState(() {
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_queryProductError = null;
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_isAvailable = isAvailable;
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_products = productDetailResponse.productDetails;
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_purchases = <PurchaseDetails>[];
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_purchasePending = false;
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_loading = false;
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});
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return;
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}
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setState(() {
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_isAvailable = isAvailable;
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_products = productDetailResponse.productDetails;
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_purchasePending = false;
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_loading = false;
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});
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}
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@override
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void dispose() {
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if (Platform.isIOS) {
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final InAppPurchaseStoreKitPlatformAddition iosPlatformAddition =
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_inAppPurchase
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.getPlatformAddition<InAppPurchaseStoreKitPlatformAddition>();
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iosPlatformAddition.setDelegate(null);
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}
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_subscription.cancel();
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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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final localization = AppLocalization.of(context);
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final List<Widget> stack = <Widget>[];
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if (_queryProductError == null) {
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stack.add(
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ListView(
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children: <Widget>[
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_buildProductList(),
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],
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),
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);
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} else {
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stack.add(Center(
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child: Text(_queryProductError),
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));
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}
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if (_purchasePending) {
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stack.add(
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Stack(
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children: const <Widget>[
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Opacity(
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opacity: 0.3,
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child: ModalBarrier(dismissible: false, color: Colors.grey),
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),
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Center(
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child: CircularProgressIndicator(),
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),
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],
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),
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);
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}
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return AlertDialog(
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title: Text(localization.upgrade),
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content: Stack(children: stack),
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actions: [
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if (!_loading)
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TextButton(onPressed: () {
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_inAppPurchase.restorePurchases();
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}, child: Text(localization.restorePurchases)),
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TextButton(onPressed: () {
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Navigator.of(context).pop();
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}, child: Text(localization.close)),
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],
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);
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}
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Widget _buildProductList() {
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if (_loading) {
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return const Card(
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child: ListTile(
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leading: CircularProgressIndicator(),
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title: Text('Fetching products...')));
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}
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if (!_isAvailable) {
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return const Card();
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}
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final List<ListTile> productList = <ListTile>[];
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final store = StoreProvider.of<AppState>(context);
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final account = store.state.account;
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// This loading previous purchases code is just a demo. Please do not use this as it is.
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// In your app you should always verify the purchase data using the `verificationData` inside the [PurchaseDetails] object before trusting it.
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// We recommend that you use your own server to verify the purchase data.
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final Map<String, PurchaseDetails> purchases =
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Map<String, PurchaseDetails>.fromEntries(
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_purchases.map((PurchaseDetails purchase) {
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if (purchase.pendingCompletePurchase) {
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_inAppPurchase.completePurchase(purchase);
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}
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return MapEntry<String, PurchaseDetails>(purchase.productID, purchase);
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}));
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_products.sort((p1, p2) => p1.rawPrice.compareTo(p2.rawPrice));
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productList.addAll(_products.map(
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(ProductDetails productDetails) {
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final PurchaseDetails previousPurchase = purchases[productDetails.id];
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String description = productDetails.description;
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// TODO remove this code
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// Workaround for product in app store with blank values
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if (description.isEmpty &&
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productDetails.id == kProductEnterprisePlanMonth_10) {
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description = 'One month of the Enterprise Plan (10 users)';
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}
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return ListTile(
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title: Text(description),
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subtitle: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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TextButton(
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style: TextButton.styleFrom(
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backgroundColor: Colors.green[800],
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// TODO(darrenaustin): Migrate to new API once it lands in stable: https://github.com/flutter/flutter/issues/105724
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// ignore: deprecated_member_use
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primary: Colors.white,
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),
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onPressed: () {
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if (previousPurchase != null) {
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confirmPriceChange(context);
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} else {
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PurchaseParam purchaseParam;
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if (Platform.isAndroid) {
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purchaseParam = GooglePlayPurchaseParam(
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productDetails: productDetails,
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applicationUserName: account.id);
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} else {
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purchaseParam = PurchaseParam(
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productDetails: productDetails,
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applicationUserName: account.id,
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);
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}
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_inAppPurchase.buyNonConsumable(
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purchaseParam: purchaseParam,
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);
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}
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},
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child: Text(previousPurchase != null
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? AppLocalization.of(context).activate
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: productDetails.price),
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),
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SizedBox(height: 20),
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],
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),
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);
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},
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));
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return Column(children: productList);
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}
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void showPendingUI() {
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setState(() {
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_purchasePending = true;
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});
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}
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Future<void> deliverProduct(PurchaseDetails purchaseDetails) async {
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// IMPORTANT!! Always verify purchase details before delivering the product.
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setState(() {
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_purchases.add(purchaseDetails);
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_purchasePending = false;
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});
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print('## PLAN UNLOCKED');
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print('## ${purchaseDetails.purchaseID}');
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print('## ${purchaseDetails.productID}');
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final store = StoreProvider.of<AppState>(context);
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final state = store.state;
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final url = (state.isStaging ? kAppStagingUrl : kAppProductionUrl) + '/admin/subscription';
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/*
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await WebClient().post(url, state.credentials.token, data: jsonEncode({
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'inapp_transaction_id': purchaseDetails.purchaseID,
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'account_id': state.account.id,
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'plan': '',
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'plan_term': '',
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'plan_paid': DateTime.now().millisecondsSinceEpoch,
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}));
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*/
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}
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void handleError(IAPError error) {
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setState(() {
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_purchasePending = false;
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});
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}
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Future<bool> _verifyPurchase(PurchaseDetails purchaseDetails) {
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// IMPORTANT!! Always verify a purchase before delivering the product.
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// For the purpose of an example, we directly return true.
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return Future<bool>.value(true);
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}
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void _handleInvalidPurchase(PurchaseDetails purchaseDetails) {
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// handle invalid purchase here if _verifyPurchase` failed.
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}
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Future<void> _listenToPurchaseUpdated(
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List<PurchaseDetails> purchaseDetailsList) async {
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for (final PurchaseDetails purchaseDetails in purchaseDetailsList) {
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if (purchaseDetails.status == PurchaseStatus.pending) {
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showPendingUI();
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} else {
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if (purchaseDetails.status == PurchaseStatus.error) {
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handleError(purchaseDetails.error);
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} else if (purchaseDetails.status == PurchaseStatus.purchased ||
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purchaseDetails.status == PurchaseStatus.restored) {
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final bool valid = await _verifyPurchase(purchaseDetails);
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if (valid) {
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deliverProduct(purchaseDetails);
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} else {
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_handleInvalidPurchase(purchaseDetails);
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return;
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}
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}
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if (purchaseDetails.pendingCompletePurchase) {
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await _inAppPurchase.completePurchase(purchaseDetails);
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}
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}
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}
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}
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Future<void> confirmPriceChange(BuildContext context) async {
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if (Platform.isAndroid) {
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final InAppPurchaseAndroidPlatformAddition androidAddition =
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_inAppPurchase
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.getPlatformAddition<InAppPurchaseAndroidPlatformAddition>();
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final BillingResultWrapper priceChangeConfirmationResult =
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await androidAddition.launchPriceChangeConfirmationFlow(
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sku: 'purchaseId',
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);
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if (priceChangeConfirmationResult.responseCode == BillingResponse.ok) {
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ScaffoldMessenger.of(navigatorKey.currentContext)
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.showSnackBar(const SnackBar(
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content: Text('Price change accepted'),
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));
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} else {
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ScaffoldMessenger.of(navigatorKey.currentContext).showSnackBar(SnackBar(
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content: Text(
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priceChangeConfirmationResult.debugMessage ??
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'Price change failed with code ${priceChangeConfirmationResult.responseCode}',
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),
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));
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}
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}
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if (Platform.isIOS) {
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final InAppPurchaseStoreKitPlatformAddition iapStoreKitPlatformAddition =
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_inAppPurchase
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.getPlatformAddition<InAppPurchaseStoreKitPlatformAddition>();
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await iapStoreKitPlatformAddition.showPriceConsentIfNeeded();
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}
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}
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}
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/// Example implementation of the
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/// [`SKPaymentQueueDelegate`](https://developer.apple.com/documentation/storekit/skpaymentqueuedelegate?language=objc).
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///
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/// The payment queue delegate can be implementated to provide information
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/// needed to complete transactions.
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class ExamplePaymentQueueDelegate implements SKPaymentQueueDelegateWrapper {
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@override
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bool shouldContinueTransaction(
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SKPaymentTransactionWrapper transaction, SKStorefrontWrapper storefront) {
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return true;
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}
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@override
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bool shouldShowPriceConsent() {
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return false;
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}
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}
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