|
|
@@ -1,184 +0,0 @@
|
|
|
-//
|
|
|
-// InAppProductPurchaseRequest.swift
|
|
|
-// SwiftyStoreKit
|
|
|
-//
|
|
|
-// Copyright (c) 2015 Andrea Bizzotto (bizz84@gmail.com)
|
|
|
-//
|
|
|
-// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
|
-// of this software and associated documentation files (the "Software"), to deal
|
|
|
-// in the Software without restriction, including without limitation the rights
|
|
|
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
|
-// copies of the Software, and to permit persons to whom the Software is
|
|
|
-// furnished to do so, subject to the following conditions:
|
|
|
-//
|
|
|
-// The above copyright notice and this permission notice shall be included in
|
|
|
-// all copies or substantial portions of the Software.
|
|
|
-//
|
|
|
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
|
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
|
-// THE SOFTWARE.
|
|
|
-
|
|
|
-import StoreKit
|
|
|
-import Foundation
|
|
|
-
|
|
|
-class InAppProductPurchaseRequest: NSObject, SKPaymentTransactionObserver {
|
|
|
-
|
|
|
- enum TransactionResult {
|
|
|
- case purchased(product: Product)
|
|
|
- case restored(product: Product)
|
|
|
- case failed(error: Error)
|
|
|
- }
|
|
|
-
|
|
|
- typealias RequestCallback = ([TransactionResult]) -> ()
|
|
|
- private let callback: RequestCallback
|
|
|
- private var purchases : [SKPaymentTransactionState: [String]] = [:]
|
|
|
-
|
|
|
- var paymentQueue: SKPaymentQueue {
|
|
|
- return SKPaymentQueue.default()
|
|
|
- }
|
|
|
-
|
|
|
- let product : SKProduct?
|
|
|
- let atomically: Bool
|
|
|
-
|
|
|
- deinit {
|
|
|
- paymentQueue.remove(self)
|
|
|
- }
|
|
|
- // Initialiser for product purchase
|
|
|
- private init(product: SKProduct?, atomically: Bool, callback: @escaping RequestCallback) {
|
|
|
-
|
|
|
- self.atomically = atomically
|
|
|
- self.product = product
|
|
|
- self.callback = callback
|
|
|
- super.init()
|
|
|
- paymentQueue.add(self)
|
|
|
- }
|
|
|
- // MARK: Public methods
|
|
|
- class func startPayment(product: SKProduct, atomically: Bool, applicationUsername: String = "", callback: @escaping RequestCallback) -> InAppProductPurchaseRequest {
|
|
|
- let request = InAppProductPurchaseRequest(product: product, atomically: atomically, callback: callback)
|
|
|
- request.startPayment(product, applicationUsername: applicationUsername)
|
|
|
- return request
|
|
|
- }
|
|
|
- class func restorePurchases(atomically: Bool, callback: @escaping RequestCallback) -> InAppProductPurchaseRequest {
|
|
|
- let request = InAppProductPurchaseRequest(product: nil, atomically: atomically, callback: callback)
|
|
|
- request.startRestorePurchases()
|
|
|
- return request
|
|
|
- }
|
|
|
-
|
|
|
- class func finishTransaction(_ transaction: PaymentTransaction) {
|
|
|
- guard let skTransaction = transaction as? SKPaymentTransaction else {
|
|
|
- print("Object is not a SKPaymentTransaction: \(transaction)")
|
|
|
- return
|
|
|
- }
|
|
|
- SKPaymentQueue.default().finishTransaction(skTransaction)
|
|
|
- }
|
|
|
-
|
|
|
- // MARK: Private methods
|
|
|
- private func startPayment(_ product: SKProduct, applicationUsername: String = "") {
|
|
|
- let payment = SKMutablePayment(product: product)
|
|
|
- payment.applicationUsername = applicationUsername
|
|
|
-
|
|
|
- DispatchQueue.global(qos: .default).async {
|
|
|
- self.paymentQueue.add(payment)
|
|
|
- }
|
|
|
- }
|
|
|
- private func startRestorePurchases() {
|
|
|
-
|
|
|
- DispatchQueue.global(qos: .default).async {
|
|
|
- self.paymentQueue.restoreCompletedTransactions()
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- // MARK: SKPaymentTransactionObserver
|
|
|
- func paymentQueue(_ queue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction]) {
|
|
|
-
|
|
|
- var transactionResults: [TransactionResult] = []
|
|
|
-
|
|
|
- for transaction in transactions {
|
|
|
-
|
|
|
- let transactionProductIdentifier = transaction.payment.productIdentifier
|
|
|
-
|
|
|
- var isPurchaseRequest = false
|
|
|
- if let productIdentifier = product?.productIdentifier {
|
|
|
- if transactionProductIdentifier != productIdentifier {
|
|
|
- continue
|
|
|
- }
|
|
|
- isPurchaseRequest = true
|
|
|
- }
|
|
|
-
|
|
|
- let transactionState = transaction.transactionState
|
|
|
-
|
|
|
- switch transactionState {
|
|
|
- case .purchased:
|
|
|
- if isPurchaseRequest {
|
|
|
- let product = Product(productId: transactionProductIdentifier, transaction: transaction, needsFinishTransaction: !atomically)
|
|
|
- transactionResults.append(.purchased(product: product))
|
|
|
- if atomically {
|
|
|
- paymentQueue.finishTransaction(transaction)
|
|
|
- }
|
|
|
- }
|
|
|
- case .failed:
|
|
|
- // TODO: How to discriminate between purchase and restore?
|
|
|
- // It appears that in some edge cases transaction.error is nil here. Since returning an associated error is
|
|
|
- // mandatory, return a default one if needed
|
|
|
- let message = "Transaction failed for product ID: \(transactionProductIdentifier)"
|
|
|
- let altError = NSError(domain: SKErrorDomain, code: 0, userInfo: [ NSLocalizedDescriptionKey: message ])
|
|
|
- transactionResults.append(.failed(error: transaction.error ?? altError))
|
|
|
- paymentQueue.finishTransaction(transaction)
|
|
|
- case .restored:
|
|
|
- if !isPurchaseRequest {
|
|
|
- let product = Product(productId: transactionProductIdentifier, transaction: transaction, needsFinishTransaction: !atomically)
|
|
|
- transactionResults.append(.restored(product: product))
|
|
|
- if atomically {
|
|
|
- paymentQueue.finishTransaction(transaction)
|
|
|
- }
|
|
|
- }
|
|
|
- case .purchasing:
|
|
|
- // In progress: do nothing
|
|
|
- break
|
|
|
- case .deferred:
|
|
|
- break
|
|
|
- }
|
|
|
- // Keep track of payments
|
|
|
- if let _ = purchases[transactionState] {
|
|
|
- purchases[transactionState]?.append(transactionProductIdentifier)
|
|
|
- }
|
|
|
- else {
|
|
|
- purchases[transactionState] = [ transactionProductIdentifier ]
|
|
|
- }
|
|
|
- }
|
|
|
- if transactionResults.count > 0 {
|
|
|
- DispatchQueue.main.async {
|
|
|
- self.callback(transactionResults)
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- func paymentQueue(_ queue: SKPaymentQueue, removedTransactions transactions: [SKPaymentTransaction]) {
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- func paymentQueue(_ queue: SKPaymentQueue, restoreCompletedTransactionsFailedWithError error: Error) {
|
|
|
-
|
|
|
- DispatchQueue.main.async {
|
|
|
- self.callback([.failed(error: error)])
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- func paymentQueueRestoreCompletedTransactionsFinished(_ queue: SKPaymentQueue) {
|
|
|
- // This method will be called after all purchases have been restored (includes the case of no purchases)
|
|
|
- guard let restored = purchases[.restored], restored.count > 0 else {
|
|
|
-
|
|
|
- self.callback([])
|
|
|
- return
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- func paymentQueue(_ queue: SKPaymentQueue, updatedDownloads downloads: [SKDownload]) {
|
|
|
-
|
|
|
- }
|
|
|
-}
|
|
|
-
|
Andrea Bizzotto