Merge pull request #8133 from woocommerce/issue/8130-iap-expose-purchase-result

[In-app Purchases] Include purchase result in purchaseProduct API

Author: koke

WooCommerce/Classes/ViewRelated/InAppPurchases/InAppPurchasesDebugView.swift

@@ -1,5 +1,4 @@
 import SwiftUI
-import StoreKit
 import Yosemite
 
 @MainActor
@@ -37,7 +36,8 @@ struct InAppPurchasesDebugView: View {
                             Task {
                                 isPurchasing = true
                                 do {
-                                    try await inAppPurchasesForWPComPlansManager.purchaseProduct(with: product.id, for: siteID)
+                                    let result = try await inAppPurchasesForWPComPlansManager.purchaseProduct(with: product.id, for: siteID)
+                                    print("[IAP Debug] Purchase result: \(result)")
                                 } catch {
                                     purchaseError = PurchaseError(error: error)
                                 }

WooCommerce/Classes/ViewRelated/InAppPurchases/InAppPurchasesForWPComPlansManager.swift

@@ -15,6 +15,8 @@ protocol WPComPlanProduct {
 
 extension StoreKit.Product: WPComPlanProduct {}
 
+typealias InAppPurchaseResult = StoreKit.Product.PurchaseResult
+
 protocol InAppPurchasesForWPComPlansProtocol {
     /// Retrieves asynchronously all WPCom plans In-App Purchases products.
     ///
@@ -33,7 +35,7 @@ protocol InAppPurchasesForWPComPlansProtocol {
     ///     id: the id of the product to be purchased
     ///     remoteSiteId: the id of the site linked to the purchasing plan
     ///
-    func purchaseProduct(with id: String, for remoteSiteId: Int64) async throws
+    func purchaseProduct(with id: String, for remoteSiteId: Int64) async throws -> InAppPurchaseResult
 
     /// Retries forwarding the product purchase to our backend, so the plan can be unlocked.
     /// This can happen when the purchase was previously successful but unlocking the WPCom plan request
@@ -73,8 +75,8 @@ final class InAppPurchasesForWPComPlansManager: InAppPurchasesForWPComPlansProto
         }
     }
 
-    func purchaseProduct(with id: String, for remoteSiteId: Int64) async throws {
-        _ = try await withCheckedThrowingContinuation { continuation in
+    func purchaseProduct(with id: String, for remoteSiteId: Int64) async throws -> InAppPurchaseResult {
+        try await withCheckedThrowingContinuation { continuation in
             stores.dispatch(InAppPurchaseAction.purchaseProduct(siteID: remoteSiteId, productID: id, completion: { result in
                 continuation.resume(with: result)
             }))