Repo created

iphone/Maps/Core/InappPurchase/Impl/BillingPendingTransaction.swift

@@ -0,0 +1,59 @@
+final class BillingPendingTransaction: NSObject, IBillingPendingTransaction {
+  private var pendingTransaction: SKPaymentTransaction?
+  
+  override init() {
+    super.init()
+    SKPaymentQueue.default().add(self)
+  }
+
+  deinit {
+    SKPaymentQueue.default().remove(self)
+  }
+
+  var status: TransactionStatus {
+    let routeTransactions = SKPaymentQueue.default().transactions.filter {
+      var isOk = !Subscription.legacyProductIds.contains($0.payment.productIdentifier) &&
+        !Subscription.productIds.contains($0.payment.productIdentifier)
+      if isOk && $0.transactionState == .purchasing {
+        isOk = false
+        Statistics.logEvent("Pending_purchasing_transaction",
+                            withParameters: ["productId" : $0.payment.productIdentifier])
+      }
+      return isOk
+    }
+
+    if routeTransactions.count > 1 {
+      pendingTransaction = routeTransactions.last
+      routeTransactions.prefix(routeTransactions.count - 1).forEach {
+        SKPaymentQueue.default().finishTransaction($0)
+      }
+    } else if routeTransactions.count == 1 {
+      pendingTransaction = routeTransactions[0]
+    } else {
+      return .none
+    }
+
+    switch pendingTransaction!.transactionState {
+    case .purchasing, .failed:
+      return .failed
+    case .purchased, .restored, .deferred:
+      return .paid
+    }
+  }
+
+  func finishTransaction() {
+    guard let transaction = pendingTransaction else {
+      assert(false, "There is no pending transactions")
+      return
+    }
+
+    SKPaymentQueue.default().finishTransaction(transaction)
+    pendingTransaction = nil
+  }
+}
+
+extension BillingPendingTransaction: SKPaymentTransactionObserver {
+  func paymentQueue(_ queue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction]) {
+    // Do nothing. Only for SKPaymentQueue.default().transactions to work
+  }
+}