initial support for web2web (#122)

* initial support for web2web
* fixed bug with consumable purchases
* improve transaction finish

ApphudSDK.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'ApphudSDK'
-  s.version          = '3.5.3'
+  s.version          = '3.5.5'
   s.summary          = 'Build and Measure In-App Subscriptions on iOS.'
   s.description      = 'Apphud covers every aspect when it comes to In-App Subscriptions from integration to analytics on iOS and Android.'
   s.homepage         = 'https://github.com/apphud/ApphudSDK'

Sources/Internal/ApphudAsyncStoreKit.swift

@@ -113,9 +113,8 @@ internal class ApphudAsyncStoreKit {
                 break
             }
 
-            if let tr = transaction {
-                _ = await ApphudInternal.shared.handleTransaction(tr)
-                await tr.finish()
+            if let transaction {
+                await Self.processTransaction(transaction)
             }
 
             self.isPurchasing = false
@@ -132,6 +131,16 @@ internal class ApphudAsyncStoreKit {
         }
     }
 
+    fileprivate static func processTransaction(_ transaction: StoreKit.Transaction) async {
+        _ = await ApphudInternal.shared.handleTransaction(transaction)
+        Task {
+            if (transaction.productType == .consumable) {
+                try? await Task.sleep(nanoseconds: 3_000_000_000)
+            }
+            await transaction.finish()
+        }
+    }
+
     #if os(iOS) || os(tvOS) || os(macOS) || os(watchOS)
     @MainActor
     func purchase(product: Product, apphudProduct: ApphudProduct?, isPurchasing: Binding<Bool>? = nil) async -> ApphudAsyncPurchaseResult {
@@ -181,8 +190,7 @@ final class ApphudAsyncTransactionObserver {
                     return
                 }
 
-                _ = await ApphudInternal.shared.handleTransaction(transaction)
-                await transaction.finish()
+                await ApphudAsyncStoreKit.processTransaction(transaction)
             }
         } else {
             apphudLog("Received transaction [\(transaction.id), \(transaction.productID)] from StoreKit2")

Sources/Internal/ApphudInternal+Attribution.swift

@@ -217,4 +217,33 @@ extension ApphudInternal {
             return ["token": appleAttibutionToken]
         }
     }
+
+    @MainActor
+    internal func tryWebAttribution(attributionData: [AnyHashable: Any], completion: @escaping (Bool, ApphudUser?) -> Void) {
+        let userId = attributionData["aph_user_id"] ?? attributionData["apphud_user_id"]
+        if let userId = userId as? String, !userId.isEmpty {
+
+            if (currentUser?.userId == userId) {
+                apphudLog("Already web2web user, skipping")
+                completion(true, currentUser)
+                return
+            }
+
+            apphudLog("Found a match from web click, updating User ID to \(userId)", forceDisplay: true)
+            self.updateUser(fields: ["user_id": userId, "from_web2web": true]) { (result, _, data, _, _, _, attempts) in
+                if result {
+                    Task {
+                        await self.parseUser(data: data)
+                        Task { @MainActor in
+                            completion(true, self.currentUser)
+                        }
+                    }
+                } else {
+                    completion(false, self.currentUser)
+                }
+            }
+        } else {
+            completion(false, currentUser)
+        }
+    }
 }

Sources/Internal/ApphudInternal+Purchase.swift

@@ -108,10 +108,10 @@ extension ApphudInternal {
                                            transactionProductIdentifier: productID,
                                            transactionState: isRecentlyPurchased ? .purchased : nil,
                                            receiptString: receipt,
-                                           notifyDelegate: true) { _ in }
+                                                 notifyDelegate: true) { _ in
+                            continuation.resume(returning: true)
+                        }
                     }
-
-                    continuation.resume(returning: true)
                 }
             }
         }

Sources/Internal/ApphudInternal+UserUpdate.swift

@@ -172,7 +172,7 @@ extension ApphudInternal {
     }
 
     @MainActor
-    private func updateUser(fields: [String: Any], delay: Double = 0, callback: @escaping ApphudHTTPResponseCallback) {
+    internal func updateUser(fields: [String: Any], delay: Double = 0, callback: @escaping ApphudHTTPResponseCallback) {
 
         //  Requires @MainActor since it collects data from UIDevice
         #if os(macOS)
@@ -338,6 +338,7 @@ extension ApphudInternal {
         Task {
             let values = await self.preparePropertiesParams(isAudience: force)
             guard let params = values.0, let properties = values.1 else {
+                completion?(false)
                 return
             }
 

Sources/Internal/ApphudStoreKitWrapper.swift

@@ -298,7 +298,10 @@ internal class ApphudStoreKitWrapper: NSObject, SKPaymentTransactionObserver, SK
     internal func finishTransaction(_ transaction: SKPaymentTransaction) {
         apphudLog("Finish Transaction: \(transaction.payment.productIdentifier), state: \(transaction.transactionState.rawValue), id: \(transaction.transactionIdentifier ?? "")")
         NotificationCenter.default.post(name: _ApphudWillFinishTransactionNotification, object: transaction)
-        SKPaymentQueue.default().finishTransaction(transaction)
+
+        if (transaction.transactionState != .purchasing) {
+            SKPaymentQueue.default().finishTransaction(transaction)
+        }
         self.purchasingProductID = nil
         self.purchasingValue = nil
     }

Sources/Public/Apphud.swift

@@ -14,7 +14,7 @@ import Foundation
 import UserNotifications
 import SwiftUI
 
-internal let apphud_sdk_version = "3.5.3"
+internal let apphud_sdk_version = "3.5.5"
 
 // MARK: - Initialization
 
@@ -788,6 +788,25 @@ final public class Apphud: NSObject {
     @objc public static func addAttribution(data: [AnyHashable: Any]?, from provider: ApphudAttributionProvider, identifer: String? = nil, callback: ApphudBoolCallback?) {
         ApphudInternal.shared.addAttribution(rawData: data, from: provider, identifer: identifer, callback: callback)
     }
+
+    /**
+        Web-to-Web flow only. Attempts to attribute the user with the provided attribution data.
+        If the `data` parameter contains either `aph_user_id` or `apphud_user_id`, the SDK will submit this information to the Apphud server.
+        The server will return a premium web user if found; otherwise, the callback will return `false`.
+
+        Additionally, the delegate methods `apphudSubscriptionsUpdated` and `apphudDidChangeUserID` will be called.
+
+        The callback returns `true` if the user is successfully attributed via the web and includes the updated `ApphudUser` object.
+        After this callback, you can check the `Apphud.hasPremiumAccess()` method, which should return `true` if the user has premium access.
+
+        - Parameters:
+          - data: A dictionary containing the attribution data.
+          - callback: A closure that returns a boolean indicating whether the web attribution was successful, and the updated `ApphudUser` object.
+        */
+    @MainActor
+    public static func attributeFromWeb(data: [AnyHashable: Any], callback: @escaping (Bool, ApphudUser?) -> Void) {
+        ApphudInternal.shared.tryWebAttribution(attributionData: data, completion: callback)
+    }
 
     // MARK: - Eligibility Checks