[in_app_purchase_android] Add obfuscated profile ID purchase param

Author: lianshumin

packages/in_app_purchase/in_app_purchase_android/CHANGELOG.md

@@ -1,3 +1,7 @@
+## NEXT
+
+* Adds support for passing an obfuscated profile ID in GooglePlayPurchaseParam.
+
 ## 0.5.1
 
 * Adds support to overlay billing related messages. See `InAppPurchaseAndroidPlatformAddition.showInAppMessages`.

packages/in_app_purchase/in_app_purchase_android/lib/src/in_app_purchase_android_platform.dart

@@ -152,10 +152,12 @@ class InAppPurchaseAndroidPlatform extends InAppPurchasePlatform {
   Future<bool> buyNonConsumable({required PurchaseParam purchaseParam}) async {
     ChangeSubscriptionParam? changeSubscriptionParam;
     String? offerToken;
+    String? obfuscatedProfileId;
 
     if (purchaseParam is GooglePlayPurchaseParam) {
       changeSubscriptionParam = purchaseParam.changeSubscriptionParam;
       offerToken = purchaseParam.offerToken;
+      obfuscatedProfileId = purchaseParam.obfuscatedProfileId;
     }
 
     if (offerToken == null && purchaseParam.productDetails is GooglePlayProductDetails) {
@@ -167,6 +169,7 @@ class InAppPurchaseAndroidPlatform extends InAppPurchasePlatform {
         product: purchaseParam.productDetails.id,
         offerToken: offerToken,
         accountId: purchaseParam.applicationUserName,
+        obfuscatedProfileId: obfuscatedProfileId,
         oldProduct: changeSubscriptionParam?.oldPurchaseDetails.productID,
         purchaseToken:
             changeSubscriptionParam?.oldPurchaseDetails.verificationData.serverVerificationData,

packages/in_app_purchase/in_app_purchase_android/lib/src/types/google_play_purchase_param.dart

@@ -14,6 +14,7 @@ class GooglePlayPurchaseParam extends PurchaseParam {
     super.applicationUserName,
     this.changeSubscriptionParam,
     this.offerToken,
+    this.obfuscatedProfileId,
   });
 
   /// The 'changeSubscriptionParam' containing information for upgrading or
@@ -25,4 +26,10 @@ class GooglePlayPurchaseParam extends PurchaseParam {
   /// For subscriptions, to get the offer token corresponding to the selected
   /// offer call productDetails.subscriptionOfferDetails?.get(selectedOfferIndex)?.offerToken
   final String? offerToken;
+
+  /// An optional obfuscated profile ID associated with the user's profile.
+  ///
+  /// Setting this field requires [applicationUserName], which maps to the
+  /// obfuscated account ID, to be specified as well.
+  final String? obfuscatedProfileId;
 }

packages/in_app_purchase/in_app_purchase_android/test/in_app_purchase_android_platform_test.dart

@@ -415,6 +415,34 @@ void main() {
       expect(result.productID, productDetails.productId);
     });
 
+    test('buyNonConsumable passes obfuscatedProfileId', () async {
+      const profileId = 'hashedProfileId';
+      const accountId = 'hashedAccountId';
+      const expectedBillingResult = BillingResultWrapper(
+        responseCode: BillingResponse.ok,
+        debugMessage: 'dummy message',
+      );
+      when(
+        mockApi.launchBillingFlow(any),
+      ).thenAnswer((_) async => convertToPigeonResult(expectedBillingResult));
+
+      final bool launchResult = await iapAndroidPlatform.buyNonConsumable(
+        purchaseParam: GooglePlayPurchaseParam(
+          productDetails: GooglePlayProductDetails.fromProductDetails(
+            dummyOneTimeProductDetails,
+          ).first,
+          applicationUserName: accountId,
+          obfuscatedProfileId: profileId,
+        ),
+      );
+
+      final VerificationResult result = verify(mockApi.launchBillingFlow(captureAny));
+      final params = result.captured.single as PlatformBillingFlowParams;
+      expect(launchResult, isTrue);
+      expect(params.accountId, accountId);
+      expect(params.obfuscatedProfileId, profileId);
+    });
+
     test('handles an error with an empty purchases list', () async {
       const ProductDetailsWrapper productDetails = dummyOneTimeProductDetails;
       const accountId = 'hashedAccountId';