flutter · Ahmadre · Sep 5, 2021 · Sep 5, 2021 · Sep 5, 2021 · Sep 5, 2021
diff --git a/packages/in_app_purchase/in_app_purchase_macos/lib/in_app_purchase_ios.dart b/packages/in_app_purchase/in_app_purchase_macos/lib/in_app_purchase_ios.dart
@@ -0,0 +1,7 @@
+// 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.
+
+export 'src/in_app_purchase_ios_platform.dart';
+export 'src/in_app_purchase_ios_platform_addition.dart';
+export 'src/types/types.dart';
diff --git a/packages/in_app_purchase/in_app_purchase_macos/lib/src/in_app_purchase_ios_platform.dart b/packages/in_app_purchase/in_app_purchase_macos/lib/src/in_app_purchase_ios_platform.dart
@@ -0,0 +1,213 @@
+// 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 'package:flutter/foundation.dart';
+import 'package:flutter/services.dart';
+import 'package:in_app_purchase_ios/src/in_app_purchase_ios_platform_addition.dart';
+import 'package:in_app_purchase_platform_interface/in_app_purchase_platform_interface.dart';
+
+import '../in_app_purchase_ios.dart';
+import '../store_kit_wrappers.dart';
+
+/// [IAPError.code] code for failed purchases.
+const String kPurchaseErrorCode = 'purchase_error';
+
+/// Indicates store front is Apple AppStore.
+const String kIAPSource = 'app_store';
+
+/// An [InAppPurchasePlatform] that wraps StoreKit.
+///
+/// This translates various `StoreKit` calls and responses into the
+/// generic plugin API.
+class InAppPurchaseIosPlatform extends InAppPurchasePlatform {
+  static late SKPaymentQueueWrapper _skPaymentQueueWrapper;
+  static late _TransactionObserver _observer;
+
+  /// Creates an [InAppPurchaseIosPlatform] object.
+  ///
+  /// This constructor should only be used for testing, for any other purpose
+  /// get the connection from the [instance] getter.
+  @visibleForTesting
+  InAppPurchaseIosPlatform();
+
+  Stream<List<PurchaseDetails>> get purchaseStream =>
+      _observer.purchaseUpdatedController.stream;
+
+  /// Callback handler for transaction status changes.
+  @visibleForTesting
+  static SKTransactionObserverWrapper get observer => _observer;
+
+  /// Registers this class as the default instance of [InAppPurchasePlatform].
+  static void registerPlatform() {
+    // Register the [InAppPurchaseIosPlatformAddition] containing iOS
+    // platform-specific functionality.
+    InAppPurchasePlatformAddition.instance = InAppPurchaseIosPlatformAddition();
+
+    // Register the platform-specific implementation of the idiomatic
+    // InAppPurchase API.
+    InAppPurchasePlatform.instance = InAppPurchaseIosPlatform();
+
+    _skPaymentQueueWrapper = SKPaymentQueueWrapper();
+
+    // Create a purchaseUpdatedController and notify the native side when to
+    // start of stop sending updates.
+    StreamController<List<PurchaseDetails>> updateController =
+        StreamController.broadcast(
+      onListen: () => _skPaymentQueueWrapper.startObservingTransactionQueue(),
+      onCancel: () => _skPaymentQueueWrapper.stopObservingTransactionQueue(),
+    );
+    _observer = _TransactionObserver(updateController);
+    _skPaymentQueueWrapper.setTransactionObserver(observer);
+  }
+
+  @override
+  Future<bool> isAvailable() => SKPaymentQueueWrapper.canMakePayments();
+
+  @override
+  Future<bool> buyNonConsumable({required PurchaseParam purchaseParam}) async {
+    await _skPaymentQueueWrapper.addPayment(SKPaymentWrapper(
+        productIdentifier: purchaseParam.productDetails.id,
+        quantity: 1,
+        applicationUsername: purchaseParam.applicationUserName,
+        simulatesAskToBuyInSandbox: (purchaseParam is AppStorePurchaseParam)
+            ? purchaseParam.simulatesAskToBuyInSandbox
+            : false,
+        requestData: null));
+
+    return true; // There's no error feedback from iOS here to return.
+  }
+
+  @override
+  Future<bool> buyConsumable(
+      {required PurchaseParam purchaseParam, bool autoConsume = true}) {
+    assert(autoConsume == true, 'On iOS, we should always auto consume');
+    return buyNonConsumable(purchaseParam: purchaseParam);
+  }
+
+  @override
+  Future<void> completePurchase(PurchaseDetails purchase) {
+    assert(
+      purchase is AppStorePurchaseDetails,
+      'On iOS, the `purchase` should always be of type `AppStorePurchaseDetails`.',
+    );
+
+    return _skPaymentQueueWrapper.finishTransaction(
+      (purchase as AppStorePurchaseDetails).skPaymentTransaction,
+    );
+  }
+
+  @override
+  Future<void> restorePurchases({String? applicationUserName}) async {
+    return _observer
+        .restoreTransactions(
+            queue: _skPaymentQueueWrapper,
+            applicationUserName: applicationUserName)
+        .whenComplete(() => _observer.cleanUpRestoredTransactions());
+  }
+
+  /// Query the product detail list.
+  ///
+  /// This method only returns [ProductDetailsResponse].
+  /// To get detailed Store Kit product list, use [SkProductResponseWrapper.startProductRequest]
+  /// to get the [SKProductResponseWrapper].
+  @override
+  Future<ProductDetailsResponse> queryProductDetails(
+      Set<String> identifiers) async {
+    final SKRequestMaker requestMaker = SKRequestMaker();
+    SkProductResponseWrapper response;
+    PlatformException? exception;
+    try {
+      response = await requestMaker.startProductRequest(identifiers.toList());
+    } on PlatformException catch (e) {
+      exception = e;
+      response = SkProductResponseWrapper(
+          products: [], invalidProductIdentifiers: identifiers.toList());
+    }
+    List<AppStoreProductDetails> productDetails = [];
+    if (response.products != null) {
+      productDetails = response.products
+          .map((SKProductWrapper productWrapper) =>
+              AppStoreProductDetails.fromSKProduct(productWrapper))
+          .toList();
+    }
+    List<String> invalidIdentifiers = response.invalidProductIdentifiers;
+    if (productDetails.isEmpty) {
+      invalidIdentifiers = identifiers.toList();
+    }
+    ProductDetailsResponse productDetailsResponse = ProductDetailsResponse(
+      productDetails: productDetails,
+      notFoundIDs: invalidIdentifiers,
+      error: exception == null
+          ? null
+          : IAPError(
+              source: kIAPSource,
+              code: exception.code,
+              message: exception.message ?? '',
+              details: exception.details),
+    );
+    return productDetailsResponse;
+  }
+}
+
+class _TransactionObserver implements SKTransactionObserverWrapper {
+  final StreamController<List<PurchaseDetails>> purchaseUpdatedController;
+
+  Completer? _restoreCompleter;
+  late String _receiptData;
+
+  _TransactionObserver(this.purchaseUpdatedController);
+
+  Future<void> restoreTransactions({
+    required SKPaymentQueueWrapper queue,
+    String? applicationUserName,
+  }) {
+    _restoreCompleter = Completer();
+    queue.restoreTransactions(applicationUserName: applicationUserName);
+    return _restoreCompleter!.future;
+  }
+
+  void cleanUpRestoredTransactions() {
+    _restoreCompleter = null;
+  }
+
+  void updatedTransactions(
+      {required List<SKPaymentTransactionWrapper> transactions}) async {
+    String receiptData = await getReceiptData();
+    List<PurchaseDetails> purchases = transactions
+        .map((SKPaymentTransactionWrapper transaction) =>
+            AppStorePurchaseDetails.fromSKTransaction(transaction, receiptData))
+        .toList();
+
+    purchaseUpdatedController.add(purchases);
+  }
+
+  void removedTransactions(
+      {required List<SKPaymentTransactionWrapper> transactions}) {}
+
+  /// Triggered when there is an error while restoring transactions.
+  void restoreCompletedTransactionsFailed({required SKError error}) {
+    _restoreCompleter!.completeError(error);
+  }
+
+  void paymentQueueRestoreCompletedTransactionsFinished() {
+    _restoreCompleter!.complete();
+  }
+
+  bool shouldAddStorePayment(
+      {required SKPaymentWrapper payment, required SKProductWrapper product}) {
+    // In this unified API, we always return true to keep it consistent with the behavior on Google Play.
+    return true;
+  }
+
+  Future<String> getReceiptData() async {
+    try {
+      _receiptData = await SKReceiptManager.retrieveReceiptData();
+    } catch (e) {
+      _receiptData = '';
+    }
+    return _receiptData;
+  }
+}
diff --git a/.../in_app_purchase/in_app_purchase_macos/lib/src/in_app_purchase_ios_platform_addition.dart b/.../in_app_purchase/in_app_purchase_macos/lib/src/in_app_purchase_ios_platform_addition.dart
@@ -0,0 +1,61 @@
+// 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 'package:in_app_purchase_ios/in_app_purchase_ios.dart';
+import 'package:in_app_purchase_platform_interface/in_app_purchase_platform_interface.dart';
+
+import '../store_kit_wrappers.dart';
+
+/// Contains InApp Purchase features that are only available on iOS.
+class InAppPurchaseIosPlatformAddition extends InAppPurchasePlatformAddition {
+  /// Present Code Redemption Sheet.
+  ///
+  /// Available on devices running iOS 14 and iPadOS 14 and later.
+  Future presentCodeRedemptionSheet() {
+    return SKPaymentQueueWrapper().presentCodeRedemptionSheet();
+  }
+
+  /// Retry loading purchase data after an initial failure.
+  ///
+  /// If no results, a `null` value is returned.
+  Future<PurchaseVerificationData?> refreshPurchaseVerificationData() async {
+    await SKRequestMaker().startRefreshReceiptRequest();
+    try {
+      String receipt = await SKReceiptManager.retrieveReceiptData();
+      return PurchaseVerificationData(
+          localVerificationData: receipt,
+          serverVerificationData: receipt,
+          source: kIAPSource);
+    } catch (e) {
+      print(
+          'Something is wrong while fetching the receipt, this normally happens when the app is '
+          'running on a simulator: $e');
+      return null;
+    }
+  }
+
+  /// Sets an implementation of the [SKPaymentQueueDelegateWrapper].
+  ///
+  /// The [SKPaymentQueueDelegateWrapper] can be used to inform iOS how to
+  /// finish transactions when the storefront changes or if the price consent
+  /// sheet should be displayed when the price of a subscription has changed. If
+  /// no delegate is registered iOS will fallback to it's default configuration.
+  /// See the documentation on StoreKite's [`-[SKPaymentQueue delegate:]`](https://developer.apple.com/documentation/storekit/skpaymentqueue/3182429-delegate?language=objc).
+  ///
+  /// When set to `null` the payment queue delegate will be removed and the
+  /// default behaviour will apply (see [documentation](https://developer.apple.com/documentation/storekit/skpaymentqueue/3182429-delegate?language=objc)).
+  Future setDelegate(SKPaymentQueueDelegateWrapper? delegate) =>
+      SKPaymentQueueWrapper().setDelegate(delegate);
+
+  /// Shows the price consent sheet if the user has not yet responded to a
+  /// subscription price change.
+  ///
+  /// Use this function when you have registered a [SKPaymentQueueDelegateWrapper]
+  /// (using the [setDelegate] method) and returned `false` when the
+  /// `SKPaymentQueueDelegateWrapper.shouldShowPriceConsent()` method was called.
+  ///
+  /// See documentation of StoreKit's [`-[SKPaymentQueue showPriceConsentIfNeeded]`](https://developer.apple.com/documentation/storekit/skpaymentqueue/3521327-showpriceconsentifneeded?language=objc).
+  Future showPriceConsentIfNeeded() =>
+      SKPaymentQueueWrapper().showPriceConsentIfNeeded();
+}
diff --git a/packages/in_app_purchase/in_app_purchase_macos/macos/Classes/FIAPaymentQueueDelegate.h b/packages/in_app_purchase/in_app_purchase_macos/macos/Classes/FIAPaymentQueueDelegate.h
@@ -0,0 +1 @@
+../../../in_app_purchase_ios/ios/Classes/FIAPaymentQueueDelegate.h
diff --git a/packages/in_app_purchase/in_app_purchase_macos/macos/Classes/FIAPaymentQueueDelegate.m b/packages/in_app_purchase/in_app_purchase_macos/macos/Classes/FIAPaymentQueueDelegate.m
@@ -0,0 +1 @@
+../../../in_app_purchase_ios/ios/Classes/FIAPaymentQueueDelegate.m
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		../../../in_app_purchase_ios/ios/Classes/FIAPaymentQueueDelegate.h