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