flutter: 改造in_app_purchase以支持在purchase failed时获取Apple pay的实际StoreKit error code.

Error codes

enum Code

Error codes for StoreKit errors.

static var unknown: SKError.Code
Error code indicating that an unknown or unexpected error occurred.

static var clientInvalid: SKError.Code
Error code indicating that the client is not allowed to perform the attempted action.

static var paymentCancelled: SKError.Code
Error code indicating that the user canceled a payment request.

static var paymentInvalid: SKError.Code
Error code indicating that one of the payment parameters was not recognized by the App Store.

static var paymentNotAllowed: SKError.Code
Error code indicating that the user is not allowed to authorize payments.

static var storeProductNotAvailable: SKError.Code
Error code indicating that the requested product is not available in the store.

static var cloudServicePermissionDenied: SKError.Code
Error code indicating that the user has not allowed access to Cloud service information.

static var cloudServiceNetworkConnectionFailed: SKError.Code
Error code indicating that the device could not connect to the network.

static var cloudServiceRevoked: SKError.Code
Error code indicating that the user has revoked permission to use this cloud service.

static var privacyAcknowledgementRequired: SKError.Code
Error code indicating that the user has not yet acknowledged Apple’s privacy policy for Apple Music.

static var unauthorizedRequestData: SKError.Code
Error code indicating that the app is attempting to use a property for which it does not have the required entitlement.

static var invalidOfferIdentifier: SKError.Code
Error code indicating that the offer identifier cannot be found or is not active.

static var invalidOfferPrice: SKError.Code
Error code indicating that the price you specified in App Store Connect is no longer valid.

static var invalidSignature: SKError.Code
Error code indicating that the signature in a payment discount is not valid.

static var missingOfferParams: SKError.Code
Error code indicating that parameters are missing in a payment discount.

static var ineligibleForOffer: SKError.Code
An error code that indicates the user is ineligible for the subscription offer.

static var overlayCancelled: SKError.Code
An error code that indicates the cancellation of an overlay.

static var overlayInvalidConfiguration: SKError.Code
An error code that indicates the overlay’s configuration is invalid.

static var overlayPresentedInBackgroundScene: SKError.Code

static var overlayTimeout: SKError.Code
An error code that indicates the timing out of an overlay.

static var unsupportedPlatform: SKError.Code
An error code that indicates the current platform doesn’t support overlays.

// 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.

/// Status for a [PurchaseDetails].
///
/// This is the type for [PurchaseDetails.status].
enum PurchaseStatus {
  /// The purchase process is pending.
  ///
  /// You can update UI to let your users know the purchase is pending.
  pending,

  /// The purchase is finished and successful.
  ///
  /// Update your UI to indicate the purchase is finished and deliver the product.
  purchased,

  /// Some error occurred in the purchase. The purchasing process if aborted.
  error,

  /// The purchase has been restored to the device.
  ///
  /// You should validate the purchase and if valid deliver the content. Once the
  /// content has been delivered or if the receipt is invalid you should finish
  /// the purchase by calling the `completePurchase` method. More information on
  /// verifying purchases can be found [here](https://pub.dev/packages/in_app_purchase#restoring-previous-purchases).
  restored,

  /// The purchase has been canceled.
  ///
  /// Update your UI to indicate the purchase is canceled.
  canceled,
}

void _listenToPurchaseUpdated(List<PurchaseDetails> purchaseDetailsList) {
  purchaseDetailsList.forEach((PurchaseDetails purchaseDetails) async {
    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) {
        bool valid = await _verifyPurchase(purchaseDetails);
        if (valid) {
          _deliverProduct(purchaseDetails);
        } else {
          _handleInvalidPurchase(purchaseDetails);
        }
      }
      if (purchaseDetails.pendingCompletePurchase) {
        await InAppPurchase.instance
            .completePurchase(purchaseDetails);
      }
    }
  });
}

 if (purchaseDetails.status == PurchaseStatus.error) {
 ...
          var errorCode = -1;
          if (purchaseDetails.error != null && purchaseDetails.error.code != null) {
              errorCode = purchaseDetails.error.code;
          }
          PayTraceUtil.doPayTrace(payPageEventFrom!, PaySceneSourceType.ScenceDialogPayResult, errorCode);
...
}

...
/// Generate a [AppStorePurchaseDetails] object based on an iOS
  /// [SKPaymentTransactionWrapper] object.
  factory AppStorePurchaseDetails.fromSKTransaction(
    SKPaymentTransactionWrapper transaction,
    String base64EncodedReceipt,
  ) {
    final AppStorePurchaseDetails purchaseDetails = AppStorePurchaseDetails(
      productID: transaction.payment.productIdentifier,
      purchaseID: transaction.transactionIdentifier,
      skPaymentTransaction: transaction,
      status: const SKTransactionStatusConverter()
          .toPurchaseStatus(transaction.transactionState, transaction.error),
      transactionDate: transaction.transactionTimeStamp != null
          ? (transaction.transactionTimeStamp! * 1000).toInt().toString()
          : null,
      verificationData: PurchaseVerificationData(
          localVerificationData: base64EncodedReceipt,
          serverVerificationData: base64EncodedReceipt,
          source: kIAPSource),
    );
    if (purchaseDetails.status == PurchaseStatus.error ||
        purchaseDetails.status == PurchaseStatus.canceled) {
      purchaseDetails.error = IAPError(
        source: kIAPSource,
        code: kPurchaseErrorCode",
        message: transaction.error?.domain ?? '',
        details: transaction.error?.userInfo,
      );
    }
...

git clone -b in_app_purchase-v3.2.0 --single-branch git@github.com:flutter/packages.git

...
if (purchaseDetails.status == PurchaseStatus.error ||
    purchaseDetails.status == PurchaseStatus.canceled) {
      purchaseDetails.error = IAPError(
        source: kIAPSource,
        code: "${transaction.error?.code ?? kPurchaseErrorCode}", // ,
        message: transaction.error?.domain ?? '',
        details: transaction.error?.userInfo,
      );
}
...

...
in_app_purchase: ^3.2.0
...

...
dependency_overrides:
  in_app_purchase_storekit:
    path: plugin/in_app_purchase_storekit
...