fix

杨锴

2025-06-16 3fa53409f5132333ce6d83fff796e108ddd62090

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
//
// RestorePurchasesController.swift
// SwiftyStoreKit
//
// Copyright (c) 2017 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 Foundation
import StoreKit
 
struct RestorePurchases {
    let atomically: Bool
    let applicationUsername: String?
    let callback: ([TransactionResult]) -> Void
 
    init(atomically: Bool, applicationUsername: String? = nil, callback: @escaping ([TransactionResult]) -> Void) {
        self.atomically = atomically
        self.applicationUsername = applicationUsername
        self.callback = callback
    }
}
 
class RestorePurchasesController: TransactionController {
 
    public var restorePurchases: RestorePurchases?
 
    private var restoredPurchases: [TransactionResult] = []
 
    func processTransaction(_ transaction: SKPaymentTransaction, atomically: Bool, on paymentQueue: PaymentQueue) -> Purchase? {
 
        let transactionState = transaction.transactionState
 
        if transactionState == .restored {
 
            let transactionProductIdentifier = transaction.payment.productIdentifier
            
            let purchase = Purchase(productId: transactionProductIdentifier, quantity: transaction.payment.quantity, transaction: transaction, originalTransaction: transaction.original, needsFinishTransaction: !atomically)
            if atomically {
                paymentQueue.finishTransaction(transaction)
            }
            return purchase
        }
        return nil
    }
 
    func processTransactions(_ transactions: [SKPaymentTransaction], on paymentQueue: PaymentQueue) -> [SKPaymentTransaction] {
 
        guard let restorePurchases = restorePurchases else {
            return transactions
        }
 
        var unhandledTransactions: [SKPaymentTransaction] = []
        for transaction in transactions {
            if let restoredPurchase = processTransaction(transaction, atomically: restorePurchases.atomically, on: paymentQueue) {
                restoredPurchases.append(.restored(purchase: restoredPurchase))
            } else {
                unhandledTransactions.append(transaction)
            }
        }
 
        return unhandledTransactions
    }
 
    func restoreCompletedTransactionsFailed(withError error: Error) {
 
        guard let restorePurchases = restorePurchases else {
            print("Callback already called. Returning")
            return
        }
        restoredPurchases.append(.failed(error: SKError(_nsError: error as NSError)))
        restorePurchases.callback(restoredPurchases)
 
        // Reset state after error received
        restoredPurchases = []
        self.restorePurchases = nil
 
    }
 
    func restoreCompletedTransactionsFinished() {
 
        guard let restorePurchases = restorePurchases else {
            print("Callback already called. Returning")
            return
        }
        restorePurchases.callback(restoredPurchases)
 
        // Reset state after error transactions finished
        restoredPurchases = []
        self.restorePurchases = nil
    }
}