initial version
This commit is contained in:
alexandrev-tibco
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import Foundation
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import StoreKit
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import Combine
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@MainActor
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class IAPService: ObservableObject {
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// MARK: - Published Properties
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@Published private(set) var isPremium = false
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@Published private(set) var products: [Product] = []
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@Published private(set) var purchaseState: PurchaseState = .idle
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@Published private(set) var isFamilyShared = false
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#if DEBUG
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@Published var debugOverrideEnabled = false
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#endif
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// MARK: - Constants
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static let premiumProductID = "com.portfoliojournal.premium"
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static let premiumPrice = "€4.69"
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// MARK: - Private Properties
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private var updateListenerTask: Task<Void, Error>?
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private var cancellables = Set<AnyCancellable>()
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private let sharedDefaults = UserDefaults(suiteName: AppConstants.appGroupIdentifier)
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// MARK: - Purchase State
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enum PurchaseState: Equatable {
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case idle
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case purchasing
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case purchased
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case failed(String)
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case restored
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}
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// MARK: - Initialization
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init() {
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#if DEBUG
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debugOverrideEnabled = UserDefaults.standard.bool(forKey: "debugPremiumOverride")
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#endif
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updateListenerTask = listenForTransactions()
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Task {
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await loadProducts()
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await updatePremiumStatus()
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}
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}
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deinit {
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updateListenerTask?.cancel()
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}
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// MARK: - Load Products
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func loadProducts() async {
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do {
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products = try await Product.products(for: [Self.premiumProductID])
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print("Loaded \(products.count) products")
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} catch {
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print("Failed to load products: \(error)")
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}
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}
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// MARK: - Purchase
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func purchase() async throws {
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guard let product = products.first else {
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throw IAPError.productNotFound
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}
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purchaseState = .purchasing
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do {
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let result = try await product.purchase()
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switch result {
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case .success(let verification):
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let transaction = try checkVerified(verification)
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// Check if family shared
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isFamilyShared = transaction.ownershipType == .familyShared
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await transaction.finish()
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await updatePremiumStatus()
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purchaseState = .purchased
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// Track analytics
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FirebaseService.shared.logPurchaseSuccess(
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productId: product.id,
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price: product.price,
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isFamilyShared: isFamilyShared
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)
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case .userCancelled:
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purchaseState = .idle
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case .pending:
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purchaseState = .idle
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@unknown default:
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purchaseState = .idle
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}
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} catch {
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purchaseState = .failed(error.localizedDescription)
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FirebaseService.shared.logPurchaseFailure(
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productId: product.id,
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error: error.localizedDescription
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)
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throw error
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}
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}
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// MARK: - Restore Purchases
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func restorePurchases() async {
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purchaseState = .purchasing
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do {
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try await AppStore.sync()
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await updatePremiumStatus()
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if isPremium {
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purchaseState = .restored
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} else {
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purchaseState = .failed("No purchases to restore")
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}
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} catch {
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purchaseState = .failed(error.localizedDescription)
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}
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}
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// MARK: - Update Premium Status
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func updatePremiumStatus() async {
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var isEntitled = false
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var familyShared = false
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#if DEBUG
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if debugOverrideEnabled {
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isPremium = true
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isFamilyShared = false
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return
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}
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#endif
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for await result in StoreKit.Transaction.currentEntitlements {
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if case .verified(let transaction) = result {
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if transaction.productID == Self.premiumProductID {
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isEntitled = true
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familyShared = transaction.ownershipType == .familyShared
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break
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}
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}
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}
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isPremium = isEntitled
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isFamilyShared = familyShared
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sharedDefaults?.set(isEntitled, forKey: "premiumUnlocked")
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// Update Core Data
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let context = CoreDataStack.shared.viewContext
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PremiumStatus.updateStatus(
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isPremium: isEntitled,
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productIdentifier: Self.premiumProductID,
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transactionId: nil,
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isFamilyShared: familyShared,
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in: context
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)
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}
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#if DEBUG
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func setDebugPremiumOverride(_ enabled: Bool) {
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debugOverrideEnabled = enabled
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UserDefaults.standard.set(enabled, forKey: "debugPremiumOverride")
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if enabled {
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isPremium = true
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isFamilyShared = false
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sharedDefaults?.set(true, forKey: "premiumUnlocked")
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} else {
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Task { await updatePremiumStatus() }
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}
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}
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#endif
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// MARK: - Transaction Listener
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private func listenForTransactions() -> Task<Void, Error> {
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return Task.detached { [weak self] in
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for await result in StoreKit.Transaction.updates {
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if case .verified(let transaction) = result {
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await transaction.finish()
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await self?.updatePremiumStatus()
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}
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}
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}
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}
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// MARK: - Verification
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private func checkVerified<T>(_ result: VerificationResult<T>) throws -> T {
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switch result {
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case .unverified(_, let error):
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throw IAPError.verificationFailed(error.localizedDescription)
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case .verified(let safe):
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return safe
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}
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}
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// MARK: - Product Info
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var premiumProduct: Product? {
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products.first { $0.id == Self.premiumProductID }
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}
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var formattedPrice: String {
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premiumProduct?.displayPrice ?? Self.premiumPrice
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}
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}
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// MARK: - IAP Error
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enum IAPError: LocalizedError {
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case productNotFound
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case verificationFailed(String)
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case purchaseFailed(String)
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var errorDescription: String? {
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switch self {
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case .productNotFound:
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return "Product not found. Please try again later."
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case .verificationFailed(let message):
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return "Verification failed: \(message)"
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case .purchaseFailed(let message):
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return "Purchase failed: \(message)"
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}
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}
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}
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// MARK: - Premium Features
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extension IAPService {
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static let premiumFeatures: [(icon: String, title: String, description: String)] = [
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("person.2", "Multiple Accounts", "Separate portfolios for business or family"),
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("infinity", "Unlimited Sources", "Track as many investments as you want"),
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("clock.arrow.circlepath", "Full History", "Access your complete investment history"),
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("chart.bar.xaxis", "Advanced Charts", "5 types of detailed analytics charts"),
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("wand.and.stars", "Predictions", "AI-powered 12-month forecasts"),
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("square.and.arrow.up", "Export Data", "Export to CSV and JSON formats"),
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("xmark.circle", "No Ads", "Ad-free experience forever"),
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("person.2", "Family Sharing", "Share with up to 5 family members")
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]
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}
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