HelloNamiML

var body: some View {
  VStack(spacing: 30) {
    if subscriptionDataSource.subscribed {
      SubscribedView()
    } else {
      DefaultView()
    }
  }
}

HelloNamiML

struct ExampleView: View {
  @EnvironmentObject var subscriptionDataSource: SubscriptionDataSource
  
  var body: some View {
    if subscriptionDataSource.subscribed {
      // react to active subscription  
    }
  }
}

HelloNamiML

@main
struct ExampleApp: App {
  init() {
    // Start up or configure your IAP transaction handling code here
  }
  
  var subscriptionDataSource = SubscriptionDataSource()
  
  var body: some Scene {
    WindowGroup {

HelloNamiML

class NamiSubscriptionDataSource: ObservableObject {
  @Published var subscribed = false
  @Published var expirationDate: Date?

  init() {
    // On first init, check to see if subscription is active.
    subscribed = (NamiEntitlementManager.activeEntitlements().count > 0)    
    
    // when there is a change to entitlements, updated subscribed state
    NamiEntitlementManager.registerChangeHandler { (activeEntitlements) in

HelloNamiML

import StoreKit

class StoreObserver: NSObject, SKPaymentTransactionObserver {
  func paymentQueue(_ queue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction]) {
    for transaction in transactions {
      switch transaction.transactionState {
        case .purchased:
          nc.post(name: NSNotification.Name(rawValue: "PurchaseNotification"), object: nil, userInfo: ["subscribed": true])
          break
        @unknown default:

HelloNamiML

class SubscriptionDataSource: ObservableObject {
  @Published var subscribed = false
  @Published var expirationDate: Date?
  private var listener: NSObjectProtocol?

  init() {
    // On first init, check to see if subscription is active.
    subscribed = UserDefaults.standard.bool(forKey: "AppIsSubscribed")
    
    listener = NotificationCenter.default.addObserver(forName: NSNotification.Name(rawValue: "PurchaseNotification"), object: nil, queue: .main) { (notification) in

HelloNamiML

class SubscriptionDataSource: ObservableObject {
  @Published var subscribed = false
  @Published var expirationDate: Date?
}

HelloNamiML

creditBalance: Int
purchased: Bool
purchaseCount: Int

HelloNamiML

purchased: Bool

HelloNamiML

subscribed : Bool
expiration: Date
autoRenewing: Bool