Live Activities, nudging, unit tests

ServicesMAStoreManager.swift

@@ -29,12 +29,60 @@ enum PurchaseResult: Equatable {
         "donateanthology"
     ]
 
+    // MARK: - Nudge / Supporter tracking keys
+    private static let firstLaunchKey      = "ma_firstLaunchDate"
+    private static let lastKeyDateKey      = "ma_lastNudgeOrPurchaseDate"
+    private static let hasEverSupportedKey = "ma_hasEverSupported"
+    private let defaults = UserDefaults.standard
+
     private var updateListenerTask: Task<Void, Never>?
 
     init() {
+        // Persist first-launch date on very first run
+        _ = firstLaunchDate
         updateListenerTask = listenForTransactions()
     }
 
+    // MARK: - Supporter state
+
+    /// True once the user has completed at least one donation.
+    var hasEverSupported: Bool {
+        defaults.bool(forKey: Self.hasEverSupportedKey)
+    }
+
+    // MARK: - Nudge logic
+
+    /// The date the app was first launched (written once, then read-only).
+    var firstLaunchDate: Date {
+        if let date = defaults.object(forKey: Self.firstLaunchKey) as? Date { return date }
+        let now = Date()
+        defaults.set(now, forKey: Self.firstLaunchKey)
+        return now
+    }
+
+    /// True when the nudge sheet should be presented.
+    /// Rules:
+    ///  - First show: ≥ 3 days after install and never shown/purchased before.
+    ///  - Repeat:     ≥ 6 months since last nudge dismissal OR last purchase.
+    var shouldShowNudge: Bool {
+        let threeDays: TimeInterval = 3 * 24 * 3600
+        let sixMonths: TimeInterval = 6 * 30 * 24 * 3600
+        guard Date().timeIntervalSince(firstLaunchDate) >= threeDays else { return false }
+        guard let last = defaults.object(forKey: Self.lastKeyDateKey) as? Date else { return true }
+        return Date().timeIntervalSince(last) >= sixMonths
+    }
+
+    /// Call when the nudge sheet is dismissed (regardless of purchase outcome).
+    func recordNudgeShown() {
+        defaults.set(Date(), forKey: Self.lastKeyDateKey)
+    }
+
+    /// Records a successful purchase: sets supporter flag and resets the nudge clock.
+    private func recordPurchase() {
+        defaults.set(true, forKey: Self.hasEverSupportedKey)
+        defaults.set(Date(), forKey: Self.lastKeyDateKey)
+    }
+
     func loadProducts() async {
         loadError = nil
         do {
@@ -60,6 +108,7 @@ enum PurchaseResult: Equatable {
             case .success(let verification):
                 let transaction = try checkVerified(verification)
                 await transaction.finish()
+                recordPurchase()
                 purchaseResult = .success(product)
             case .userCancelled:
                 purchaseResult = .cancelled