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//
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// TransactionConverter.swift
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// StoreKit2Manager
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//
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// Created by xiaopin on 2025/12/6.
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//
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import Foundation
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import StoreKit
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/// Transaction 转换器
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/// 将 Transaction 对象转换为可序列化的基础数据类型（Dictionary/JSON）
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public struct TransactionConverter {
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/// 将 Transaction 转换为 Dictionary（可序列化为 JSON）
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/// - Parameter transaction: Transaction 对象
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/// - Returns: Dictionary 对象，包含所有交易信息
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public static func toDictionary(_ transaction: Transaction) -> [String: Any] {
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var dict: [String: Any] = [:]
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// 基本信息
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dict["id"] = String(transaction.id)
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dict["productID"] = transaction.productID
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// 产品类型
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dict["productType"] = productTypeToString(transaction.productType)
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// 交易价格（如果有）
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if let price = transaction.price {
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dict["price"] = Double(String(format: "%.2f", NSDecimalNumber(decimal: price).doubleValue)) ?? NSDecimalNumber(decimal: price).doubleValue
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} else {
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dict["price"] = 0.00
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}
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// 货币代码（iOS 16.0+）
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if #available(iOS 16.0, *) {
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if let currency = transaction.currency {
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// 确保是字符串类型
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dict["currency"] = String(describing: currency)
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} else {
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dict["currency"] = NSNull()
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}
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} else {
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dict["currency"] = NSNull()
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}
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// 所有权类型
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dict["ownershipType"] = ownershipTypeToString(transaction.ownershipType)
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// 原始交易ID
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dict["originalID"] = String(transaction.originalID)
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// 原始购买日期
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dict["originalPurchaseDate"] = dateToTimestamp(transaction.originalPurchaseDate)
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dict["purchaseDate"] = dateToTimestamp(transaction.purchaseDate)
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// 购买数量
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dict["purchasedQuantity"] = transaction.purchasedQuantity
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// 交易原因（iOS 17.0+，表示购买还是续订）
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if #available(iOS 17.0, *) {
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dict["purchaseReason"] = transactionReasonToString(transaction.reason)
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} else {
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dict["purchaseReason"] = ""
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}
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// 订阅组ID（如果有，仅订阅产品，确保是字符串类型）
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if let subscriptionGroupID = transaction.subscriptionGroupID {
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dict["subscriptionGroupID"] = String(describing: subscriptionGroupID)
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} else {
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dict["subscriptionGroupID"] = NSNull()
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}
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// 过期日期（如果有）
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if let expirationDate = transaction.expirationDate {
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dict["expirationDate"] = dateToTimestamp(expirationDate)
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} else {
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dict["expirationDate"] = NSNull()
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}
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// 是否升级
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dict["isUpgraded"] = transaction.isUpgraded
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// 撤销日期（如果有）
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if let revocationDate = transaction.revocationDate {
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dict["hasRevocation"] = true
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dict["revocationDate"] = dateToTimestamp(revocationDate)
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} else {
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dict["hasRevocation"] = false
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dict["revocationDate"] = NSNull()
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}
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// 撤销原因
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if let revocationReason = transaction.revocationReason {
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dict["revocationReason"] = revocationReasonToString(revocationReason)
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} else {
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dict["revocationReason"] = NSNull()
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}
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// 环境信息（iOS 16.0+）
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if #available(iOS 16.0, *) {
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dict["environment"] = environmentToString(transaction.environment)
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} else {
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dict["environment"] = "unknown"
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}
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// 应用账户令牌（如果有）
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if let appAccountToken = transaction.appAccountToken {
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dict["appAccountToken"] = appAccountToken.uuidString
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} else {
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dict["appAccountToken"] = ""
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}
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// 应用交易ID（iOS 18.4+，确保是字符串类型）
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if #available(iOS 18.4, macOS 15.4, tvOS 18.4, watchOS 11.4, visionOS 2.4, *) {
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dict["appBundleID"] = String(describing: transaction.appBundleID)
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dict["appTransactionID"] = transaction.appTransactionID
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} else {
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dict["appTransactionID"] = NSNull()
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dict["appBundleID"] = NSNull()
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}
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// 签名日期
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dict["signedDate"] = dateToTimestamp(transaction.signedDate)
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// 商店区域（iOS 17.0+）
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if #available(iOS 17.0, macOS 14.0, tvOS 17.0, watchOS 10.0, visionOS 1.0, *) {
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let storefront = transaction.storefront
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dict["storefrontId"] = storefront.id
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dict["storefrontCountryCode"] = storefront.countryCode
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if let currency = storefront.currency {
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dict["storefrontCurrency"] = String(describing: currency)
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} else {
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dict["storefrontCurrency"] = ""
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}
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} else {
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dict["storefrontId"] = ""
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dict["storefrontCountryCode"] = ""
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dict["storefrontCurrency"] = ""
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}
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// Web订单行项目ID（如果有）
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if let webOrderLineItemID = transaction.webOrderLineItemID {
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dict["webOrderLineItemID"] = webOrderLineItemID
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} else {
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dict["webOrderLineItemID"] = ""
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}
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// 设备验证
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dict["deviceVerification"] = transaction.deviceVerification.base64EncodedString()
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// 设备验证Nonce
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dict["deviceVerificationNonce"] = transaction.deviceVerificationNonce.uuidString
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// 优惠信息
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dict["offer"] = offerToDictionary(from: transaction)
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// 高级商务信息（iOS 18.4+）
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// 注意：Transaction.AdvancedCommerceInfo 的具体结构需要根据实际 API 调整
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// 暂不处理
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return dict
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}
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/// 将 Transaction 数组转换为 Dictionary 数组
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/// - Parameter transactions: Transaction 数组
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/// - Returns: Dictionary 数组
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public static func toDictionaryArray(_ transactions: [Transaction]) -> [[String: Any]] {
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return transactions.map { toDictionary($0) }
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}
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/// 将 Transaction 转换为 JSON 字符串
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/// - Parameter transaction: Transaction 对象
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/// - Returns: JSON 字符串
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public static func toJSONString(_ transaction: Transaction) -> String? {
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let dict = toDictionary(transaction)
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return dictionaryToJSONString(dict)
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}
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/// 将 Transaction 数组转换为 JSON 字符串
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/// - Parameter transactions: Transaction 数组
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/// - Returns: JSON 字符串
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public static func toJSONString(_ transactions: [Transaction]) -> String? {
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let array = toDictionaryArray(transactions)
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return arrayToJSONString(array)
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}
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// MARK: - 私有方法
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/// 日期转时间戳（毫秒）
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private static func dateToTimestamp(_ date: Date) -> Int64 {
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return Int64(date.timeIntervalSince1970 * 1000)
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}
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/// 产品类型转字符串
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private static func productTypeToString(_ type: Product.ProductType) -> String {
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switch type {
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case .consumable:
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return "consumable"
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case .nonConsumable:
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return "nonConsumable"
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case .autoRenewable:
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return "autoRenewable"
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case .nonRenewable:
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return "nonRenewable"
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default:
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return "unknown"
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}
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}
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/// 所有权类型转字符串
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private static func ownershipTypeToString(_ type: Transaction.OwnershipType) -> String {
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switch type {
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case .purchased:
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return "purchased"
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case .familyShared:
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return "familyShared"
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default:
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return "unknown"
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}
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}
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/// 环境转字符串
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@available(iOS 16.0, *)
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private static func environmentToString(_ environment: AppStore.Environment) -> String {
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switch environment {
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case .production:
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return "production"
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case .sandbox:
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return "sandbox"
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case .xcode:
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return "xcode"
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default:
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return "unknown"
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}
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}
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/// 交易原因转字符串
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@available(iOS 17.0, *)
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private static func transactionReasonToString(_ reason: Transaction.Reason) -> String {
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switch reason {
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case .purchase:
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return "purchase"
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case .renewal:
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return "renewal"
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default:
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return "unknown"
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}
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}
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/// 撤销原因转字符串
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private static func revocationReasonToString(_ reason: Transaction.RevocationReason) -> String {
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return extractEnumValueName(from: reason)
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}
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/// 从枚举值中提取名称（移除命名空间前缀）
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/// - Parameter value: 任意类型
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/// - Returns: 枚举值名称字符串
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private static func extractEnumValueName<T>(from value: T) -> String {
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let valueString = String(describing: value)
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// 移除命名空间前缀（如 "Transaction.OfferType.introductory" -> "introductory"）
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if let lastDot = valueString.lastIndex(of: ".") {
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return String(valueString[valueString.index(after: lastDot)...])
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}
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return valueString
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}
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/// 交易优惠类型转字符串（已废弃，iOS 15.0-17.1）
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@available(iOS 15.0, *)
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private static func transactionOfferTypeDeprecatedToString(_ type: Transaction.OfferType) -> String {
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switch type {
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case .introductory:
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return "introductory"
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case .promotional:
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return "promotional"
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case .code:
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return "code"
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default:
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return "unknown"
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}
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}
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/// 支付模式转字符串（用于 Product.SubscriptionOffer.PaymentMode）
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private static func paymentModeToString(_ mode: Product.SubscriptionOffer.PaymentMode) -> String {
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switch mode {
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case .freeTrial:
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return "freeTrial"
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case .payAsYouGo:
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return "payAsYouGo"
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case .payUpFront:
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return "payUpFront"
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default:
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return "unknown"
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}
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}
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// MARK: - Offer 转换方法
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/// 交易优惠类型转字符串（用于 Transaction.Offer，iOS 17.2+）
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@available(iOS 17.2, *)
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private static func transactionOfferTypeToString(_ type: Transaction.OfferType) -> String {
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// 使用 if-else 判断，因为 switch 可能无法处理所有情况
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if type == .introductory {
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return "introductory"
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} else if type == .promotional {
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return "promotional"
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} else if type == .code {
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return "code"
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} else {
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// iOS 18.0+ 支持 winBack
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if #available(iOS 18.0, macOS 15.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *) {
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if type == .winBack {
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return "winBack"
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}
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}
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return "unknown"
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}
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}
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/// 交易优惠支付模式转字符串（用于 Transaction.Offer.PaymentMode）
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@available(iOS 17.2, *)
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private static func transactionOfferPaymentModeToString(_ mode: Transaction.Offer.PaymentMode) -> String {
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switch mode {
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case .freeTrial:
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return "freeTrial"
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case .payAsYouGo:
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return "payAsYouGo"
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case .payUpFront:
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return "payUpFront"
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default:
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return "unknown"
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}
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}
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/// 将 Transaction 的优惠信息转换为 Dictionary
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/// - Parameter transaction: Transaction 对象
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/// - Returns: 优惠信息字典，如果没有优惠则返回 NSNull
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private static func offerToDictionary(from transaction: Transaction) -> Any {
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// iOS 17.2+ 使用新的 offer 属性
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if #available(iOS 17.2, macOS 14.2, tvOS 17.2, watchOS 10.2, *) {
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return modernOfferToDictionary(from: transaction)
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}
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// iOS 15.0 - iOS 17.1 使用已废弃的属性
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else if #available(iOS 15.0, macOS 12.0, tvOS 15.0, watchOS 8.0, *) {
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return deprecatedOfferToDictionary(from: transaction)
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}
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// iOS 15.0 以下版本不支持优惠信息
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else {
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return NSNull()
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}
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}
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/// 使用新的 offer 属性转换优惠信息（iOS 17.2+）
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@available(iOS 17.2, macOS 14.2, tvOS 17.2, watchOS 10.2, *)
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private static func modernOfferToDictionary(from transaction: Transaction) -> Any {
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guard let offer = transaction.offer else {
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return NSNull()
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}
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var offerDict: [String: Any] = [:]
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// 优惠类型
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offerDict["type"] = transactionOfferTypeToString(offer.type)
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// 优惠ID
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if let offerID = offer.id {
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offerDict["id"] = offerID
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} else {
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offerDict["id"] = NSNull()
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}
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// 支付模式（使用自定义方法）
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if let paymentMode = offer.paymentMode {
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offerDict["paymentMode"] = transactionOfferPaymentModeToString(paymentMode)
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} else {
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offerDict["paymentMode"] = NSNull()
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}
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// 优惠周期（iOS 18.4+）
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offerDict["periodCount"] = 0
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offerDict["periodUnit"] = ""
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if #available(iOS 18.4, macOS 15.4, tvOS 18.4, watchOS 11.4, visionOS 2.4, *) {
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if let period = offer.period {
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offerDict["periodCount"] = period.value
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offerDict["periodUnit"] = subscriptionPeriodUnitToString(period.unit)
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}
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}
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return offerDict
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}
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/// 使用已废弃的属性转换优惠信息（iOS 15.0 - iOS 17.1）
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@available(iOS 15.0, macOS 12.0, tvOS 15.0, watchOS 8.0, *)
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private static func deprecatedOfferToDictionary(from transaction: Transaction) -> Any {
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guard let offerType = transaction.offerType else {
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return NSNull()
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}
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var offerDict: [String: Any] = [:]
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// 优惠类型
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offerDict["type"] = transactionOfferTypeDeprecatedToString(offerType)
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// 优惠ID
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if let offerID = transaction.offerID {
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offerDict["id"] = String(describing: offerID)
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} else {
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offerDict["id"] = NSNull()
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}
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// 支付模式（字符串表示）
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if let paymentMode = transaction.offerPaymentModeStringRepresentation {
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offerDict["paymentMode"] = paymentMode
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} else {
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offerDict["paymentMode"] = NSNull()
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}
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// 优惠周期（iOS 15.0 - iOS 18.3 使用字符串，iOS 18.4+ 已废弃）
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if #available(iOS 18.4, macOS 15.4, tvOS 18.4, watchOS 11.4, visionOS 2.4, *) {
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// iOS 18.4+ 已废弃 offerPeriodStringRepresentation，返回 NSNull
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offerDict["period"] = NSNull()
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} else {
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// iOS 15.0 - iOS 18.3 使用字符串表示
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if let period = transaction.offerPeriodStringRepresentation {
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offerDict["period"] = period
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} else {
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offerDict["period"] = NSNull()
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}
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}
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return offerDict
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}
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/// 订阅周期转 Dictionary
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private static func subscriptionPeriodToDictionary(_ period: Product.SubscriptionPeriod) -> [String: Any] {
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var dict: [String: Any] = [:]
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dict["value"] = period.value
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dict["unit"] = subscriptionPeriodUnitToString(period.unit)
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return dict
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}
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/// 订阅周期单位转字符串
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private static func subscriptionPeriodUnitToString(_ unit: Product.SubscriptionPeriod.Unit) -> String {
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switch unit {
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case .day:
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return "day"
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case .week:
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return "week"
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case .month:
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return "month"
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case .year:
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return "year"
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default:
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return "unknown"
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}
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}
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// 注意：Transaction.AdvancedCommerceProduct 类型可能不存在，已移除此方法
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// 如果需要，可以直接使用 jsonRepresentation
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/// Dictionary 转 JSON 字符串
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private static func dictionaryToJSONString(_ dict: [String: Any]) -> String? {
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guard let jsonData = try? JSONSerialization.data(withJSONObject: dict, options: .prettyPrinted),
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let jsonString = String(data: jsonData, encoding: .utf8) else {
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return nil
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}
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return jsonString
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}
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/// Array 转 JSON 字符串
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private static func arrayToJSONString(_ array: [[String: Any]]) -> String? {
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guard let jsonData = try? JSONSerialization.data(withJSONObject: array, options: .prettyPrinted),
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let jsonString = String(data: jsonData, encoding: .utf8) else {
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return nil
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}
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return jsonString
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}
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}
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Reference in New Issue
Block a user