invoice/lib/ui/app/upgrade_dialog.dart

400 lines
13 KiB
Dart

// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:async';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter_redux/flutter_redux.dart';
import 'package:in_app_purchase/in_app_purchase.dart';
import 'package:in_app_purchase_android/billing_client_wrappers.dart';
import 'package:in_app_purchase_android/in_app_purchase_android.dart';
import 'package:in_app_purchase_storekit/in_app_purchase_storekit.dart';
import 'package:in_app_purchase_storekit/store_kit_wrappers.dart';
import 'package:invoiceninja_flutter/constants.dart';
import 'package:invoiceninja_flutter/redux/app/app_state.dart';
import 'package:invoiceninja_flutter/ui/dashboard/dashboard_chart.dart';
class UpgradeDialog extends StatefulWidget {
@override
State<UpgradeDialog> createState() => _UpgradeDialogState();
}
class _UpgradeDialogState extends State<UpgradeDialog> {
final InAppPurchase _inAppPurchase = InAppPurchase.instance;
StreamSubscription<List<PurchaseDetails>> _subscription;
List<ProductDetails> _products = <ProductDetails>[];
List<PurchaseDetails> _purchases = <PurchaseDetails>[];
bool _isAvailable = false;
bool _purchasePending = false;
bool _loading = true;
String _queryProductError;
@override
void initState() {
final Stream<List<PurchaseDetails>> purchaseUpdated =
_inAppPurchase.purchaseStream;
_subscription =
purchaseUpdated.listen((List<PurchaseDetails> purchaseDetailsList) {
_listenToPurchaseUpdated(purchaseDetailsList);
}, onDone: () {
_subscription.cancel();
}, onError: (Object error) {
// handle error here.
});
initStoreInfo();
super.initState();
}
Future<void> initStoreInfo() async {
final bool isAvailable = await _inAppPurchase.isAvailable();
if (!isAvailable) {
setState(() {
_isAvailable = isAvailable;
_products = <ProductDetails>[];
_purchases = <PurchaseDetails>[];
_purchasePending = false;
_loading = false;
});
return;
}
if (Platform.isIOS) {
final InAppPurchaseStoreKitPlatformAddition iosPlatformAddition =
_inAppPurchase
.getPlatformAddition<InAppPurchaseStoreKitPlatformAddition>();
await iosPlatformAddition.setDelegate(ExamplePaymentQueueDelegate());
}
final ProductDetailsResponse productDetailResponse =
await _inAppPurchase.queryProductDetails(kProductPlans.toSet());
if (productDetailResponse.error != null) {
setState(() {
_queryProductError = productDetailResponse.error.message;
_isAvailable = isAvailable;
_products = productDetailResponse.productDetails;
_purchases = <PurchaseDetails>[];
_purchasePending = false;
_loading = false;
});
return;
}
if (productDetailResponse.productDetails.isEmpty) {
setState(() {
_queryProductError = null;
_isAvailable = isAvailable;
_products = productDetailResponse.productDetails;
_purchases = <PurchaseDetails>[];
_purchasePending = false;
_loading = false;
});
return;
}
setState(() {
_isAvailable = isAvailable;
_products = productDetailResponse.productDetails;
_purchasePending = false;
_loading = false;
});
}
@override
void dispose() {
if (Platform.isIOS) {
final InAppPurchaseStoreKitPlatformAddition iosPlatformAddition =
_inAppPurchase
.getPlatformAddition<InAppPurchaseStoreKitPlatformAddition>();
iosPlatformAddition.setDelegate(null);
}
_subscription.cancel();
super.dispose();
}
@override
Widget build(BuildContext context) {
final List<Widget> stack = <Widget>[];
if (_queryProductError == null) {
stack.add(
ListView(
children: <Widget>[
_buildConnectionCheckTile(),
_buildProductList(),
_buildRestoreButton(),
],
),
);
} else {
stack.add(Center(
child: Text(_queryProductError),
));
}
if (_purchasePending) {
stack.add(
Stack(
children: const <Widget>[
Opacity(
opacity: 0.3,
child: ModalBarrier(dismissible: false, color: Colors.grey),
),
Center(
child: CircularProgressIndicator(),
),
],
),
);
}
return AlertDialog(content: Stack(children: stack));
}
Card _buildConnectionCheckTile() {
if (_loading) {
return const Card(child: ListTile(title: Text('Trying to connect...')));
}
final Widget storeHeader = ListTile(
leading: Icon(_isAvailable ? Icons.check : Icons.block,
color: _isAvailable ? Colors.green : ThemeData.light().errorColor),
title:
Text('The store is ${_isAvailable ? 'available' : 'unavailable'}.'),
);
final List<Widget> children = <Widget>[storeHeader];
if (!_isAvailable) {
children.addAll(<Widget>[
const Divider(),
ListTile(
title: Text('Not connected',
style: TextStyle(color: ThemeData.light().errorColor)),
subtitle: const Text(
'Unable to connect to the payments processor. Has this app been configured correctly? See the example README for instructions.'),
),
]);
}
return Card(child: Column(children: children));
}
Card _buildProductList() {
if (_loading) {
return const Card(
child: ListTile(
leading: CircularProgressIndicator(),
title: Text('Fetching products...')));
}
if (!_isAvailable) {
return const Card();
}
const ListTile productHeader = ListTile(title: Text('Products for Sale'));
final List<ListTile> productList = <ListTile>[];
final store = StoreProvider.of<AppState>(context);
final account = store.state.account;
// This loading previous purchases code is just a demo. Please do not use this as it is.
// In your app you should always verify the purchase data using the `verificationData` inside the [PurchaseDetails] object before trusting it.
// We recommend that you use your own server to verify the purchase data.
final Map<String, PurchaseDetails> purchases =
Map<String, PurchaseDetails>.fromEntries(
_purchases.map((PurchaseDetails purchase) {
if (purchase.pendingCompletePurchase) {
_inAppPurchase.completePurchase(purchase);
}
return MapEntry<String, PurchaseDetails>(purchase.productID, purchase);
}));
_products.sort((p1, p2) => p1.rawPrice.compareTo(p2.rawPrice));
productList.addAll(_products.map(
(ProductDetails productDetails) {
final PurchaseDetails previousPurchase = purchases[productDetails.id];
String description = productDetails.description;
// TODO remove this code
// Workaround for product in app store with blank values
if (description.isEmpty && productDetails.id == kProductEnterprisePlanMonth_10) {
description = 'One month of the Enterprise Plan (10 users)';
}
return ListTile(
title: Text(
description
),
subtitle: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
previousPurchase != null
? IconButton(
onPressed: () => confirmPriceChange(context),
icon: const Icon(Icons.upgrade))
: TextButton(
style: TextButton.styleFrom(
backgroundColor: Colors.green[800],
// TODO(darrenaustin): Migrate to new API once it lands in stable: https://github.com/flutter/flutter/issues/105724
// ignore: deprecated_member_use
primary: Colors.white,
),
onPressed: () {
PurchaseParam purchaseParam;
if (Platform.isAndroid) {
purchaseParam = GooglePlayPurchaseParam(
productDetails: productDetails,
applicationUserName: account.id);
} else {
purchaseParam = PurchaseParam(
productDetails: productDetails,
applicationUserName: account.id,
);
}
_inAppPurchase.buyNonConsumable(
purchaseParam: purchaseParam,
);
},
child: Text(productDetails.price),
),
SizedBox(height: 20),
],
),
);
},
));
return Card(
child: Column(
children: <Widget>[productHeader, const Divider()] + productList));
}
Widget _buildRestoreButton() {
if (_loading) {
return Container();
}
return Padding(
padding: const EdgeInsets.all(4.0),
child: Row(
mainAxisSize: MainAxisSize.max,
mainAxisAlignment: MainAxisAlignment.end,
children: <Widget>[
TextButton(
style: TextButton.styleFrom(
backgroundColor: Theme.of(context).primaryColor,
// TODO(darrenaustin): Migrate to new API once it lands in stable: https://github.com/flutter/flutter/issues/105724
// ignore: deprecated_member_use
primary: Colors.white,
),
onPressed: () => _inAppPurchase.restorePurchases(),
child: const Text('Restore purchases'),
),
],
),
);
}
void showPendingUI() {
setState(() {
_purchasePending = true;
});
}
Future<void> deliverProduct(PurchaseDetails purchaseDetails) async {
// IMPORTANT!! Always verify purchase details before delivering the product.
setState(() {
_purchases.add(purchaseDetails);
_purchasePending = false;
});
print('## PLAN UNLOCKED');
}
void handleError(IAPError error) {
setState(() {
_purchasePending = false;
});
}
Future<bool> _verifyPurchase(PurchaseDetails purchaseDetails) {
// IMPORTANT!! Always verify a purchase before delivering the product.
// For the purpose of an example, we directly return true.
return Future<bool>.value(true);
}
void _handleInvalidPurchase(PurchaseDetails purchaseDetails) {
// handle invalid purchase here if _verifyPurchase` failed.
}
Future<void> _listenToPurchaseUpdated(
List<PurchaseDetails> purchaseDetailsList) async {
for (final PurchaseDetails purchaseDetails in purchaseDetailsList) {
if (purchaseDetails.status == PurchaseStatus.pending) {
showPendingUI();
} else {
if (purchaseDetails.status == PurchaseStatus.error) {
handleError(purchaseDetails.error);
} else if (purchaseDetails.status == PurchaseStatus.purchased ||
purchaseDetails.status == PurchaseStatus.restored) {
final bool valid = await _verifyPurchase(purchaseDetails);
if (valid) {
deliverProduct(purchaseDetails);
} else {
_handleInvalidPurchase(purchaseDetails);
return;
}
}
if (purchaseDetails.pendingCompletePurchase) {
await _inAppPurchase.completePurchase(purchaseDetails);
}
}
}
}
Future<void> confirmPriceChange(BuildContext context) async {
if (Platform.isAndroid) {
final InAppPurchaseAndroidPlatformAddition androidAddition =
_inAppPurchase
.getPlatformAddition<InAppPurchaseAndroidPlatformAddition>();
final BillingResultWrapper priceChangeConfirmationResult =
await androidAddition.launchPriceChangeConfirmationFlow(
sku: 'purchaseId',
);
if (priceChangeConfirmationResult.responseCode == BillingResponse.ok) {
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
content: Text('Price change accepted'),
));
} else {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text(
priceChangeConfirmationResult.debugMessage ??
'Price change failed with code ${priceChangeConfirmationResult.responseCode}',
),
));
}
}
if (Platform.isIOS) {
final InAppPurchaseStoreKitPlatformAddition iapStoreKitPlatformAddition =
_inAppPurchase
.getPlatformAddition<InAppPurchaseStoreKitPlatformAddition>();
await iapStoreKitPlatformAddition.showPriceConsentIfNeeded();
}
}
}
/// Example implementation of the
/// [`SKPaymentQueueDelegate`](https://developer.apple.com/documentation/storekit/skpaymentqueuedelegate?language=objc).
///
/// The payment queue delegate can be implementated to provide information
/// needed to complete transactions.
class ExamplePaymentQueueDelegate implements SKPaymentQueueDelegateWrapper {
@override
bool shouldContinueTransaction(
SKPaymentTransactionWrapper transaction, SKStorefrontWrapper storefront) {
return true;
}
@override
bool shouldShowPriceConsent() {
return false;
}
}