107 lines
2.9 KiB
Dart
107 lines
2.9 KiB
Dart
part of '../main.dart';
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class PurchasePage extends StatefulWidget {
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PurchasePage({Key key, this.title}) : super(key: key);
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final String title;
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@override
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_PurchasePageState createState() => new _PurchasePageState();
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}
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class _PurchasePageState extends State<PurchasePage> {
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bool _loaded = false;
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String _error = "";
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List<ProductDetails> _products;
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List<PurchaseDetails> _purchases;
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@override
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void initState() {
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super.initState();
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_loadProducts();
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}
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_loadProducts() async {
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final bool available = await InAppPurchaseConnection.instance.isAvailable();
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if (!available) {
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setState(() {
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_error = "Error connecting to store";
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});
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} else {
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const Set<String> _kIds = {'just_few_bucks', 'flat_white_a_month', 'lunch_a_year', 'lunch_a_month'};
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final ProductDetailsResponse response = await InAppPurchaseConnection.instance.queryProductDetails(_kIds);
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if (!response.notFoundIDs.isEmpty) {
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Logger.d("Products not found: ${response.notFoundIDs}");
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}
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_products = response.productDetails;
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_loadPreviousPurchases();
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}
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}
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_loadPreviousPurchases() async {
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final QueryPurchaseDetailsResponse response = await InAppPurchaseConnection.instance.queryPastPurchases();
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if (response.error != null) {
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setState(() {
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_error = "Error loading previous purchases";
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});
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} else {
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_purchases = response.pastPurchases;
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for (PurchaseDetails purchase in _purchases) {
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Logger.d("Previous purchase: ${purchase.status}");
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}
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if (_products.isEmpty) {
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setState(() {
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_error = "No data found in store";
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});
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} else {
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setState(() {
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_loaded = true;
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});
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}
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}
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}
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Widget _buildProducts() {
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List<Widget> productWidgets = [];
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for (ProductDetails product in _products) {
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productWidgets.add(
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ProductPurchase(
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product: product,
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onBuy: (product) => _buyProduct(product),
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purchased: _purchases.any((purchase) { return purchase.productID == product.id;}),)
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);
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}
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return ListView(
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scrollDirection: Axis.vertical,
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children: productWidgets
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);
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}
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void _buyProduct(ProductDetails product) {
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Logger.d("Starting purchase of ${product.id}");
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final PurchaseParam purchaseParam = PurchaseParam(productDetails: product);
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InAppPurchaseConnection.instance.buyNonConsumable(purchaseParam: purchaseParam);
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Navigator.of(context).pop();
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}
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@override
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Widget build(BuildContext context) {
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Widget body;
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if (!_loaded) {
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body = _error.isEmpty ? PageLoadingIndicator() : PageLoadingError(errorText: _error);
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} else {
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body = _buildProducts();
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}
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return new Scaffold(
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appBar: new AppBar(
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leading: IconButton(icon: Icon(Icons.arrow_back), onPressed: (){
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Navigator.pop(context);
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}),
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title: new Text(widget.title),
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),
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body: body,
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);
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}
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} |