//
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// CompleteTransactionsController.swift
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// SwiftyStoreKit
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//
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// Copyright (c) 2017 Andrea Bizzotto (bizz84@gmail.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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import Foundation
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import StoreKit
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struct CompleteTransactions {
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let atomically: Bool
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let callback: ([Purchase]) -> Void
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init(atomically: Bool, callback: @escaping ([Purchase]) -> Void) {
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self.atomically = atomically
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self.callback = callback
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}
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}
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class CompleteTransactionsController: TransactionController {
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var completeTransactions: CompleteTransactions?
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func processTransactions(_ transactions: [SKPaymentTransaction], on paymentQueue: PaymentQueue) -> [SKPaymentTransaction] {
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guard let completeTransactions = completeTransactions else {
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print("SwiftyStoreKit.completeTransactions() should be called once when the app launches.")
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return transactions
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}
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var unhandledTransactions: [SKPaymentTransaction] = []
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var purchases: [Purchase] = []
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for transaction in transactions {
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let transactionState = transaction.transactionState
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if transactionState != .purchasing {
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let willFinishTransaction = completeTransactions.atomically || transactionState == .failed
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let purchase = Purchase(productId: transaction.payment.productIdentifier, quantity: transaction.payment.quantity, transaction: transaction, originalTransaction: transaction.original, needsFinishTransaction: !willFinishTransaction)
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purchases.append(purchase)
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if willFinishTransaction {
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print("Finishing transaction for payment \"\(transaction.payment.productIdentifier)\" with state: \(transactionState.debugDescription)")
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paymentQueue.finishTransaction(transaction)
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}
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} else {
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unhandledTransactions.append(transaction)
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}
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}
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if purchases.count > 0 {
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completeTransactions.callback(purchases)
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}
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return unhandledTransactions
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}
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}
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