Prevents non-subscriber from launching additional timers

LeCountdown/Subscription/AppGuard.swift

@@ -32,6 +32,8 @@ extension Notification.Name {
 
 @objc class AppGuard: NSObject {
     
+    static let freeTimersCount: Int = 3
+    
     static var main: AppGuard = AppGuard()
     
     @Published private(set) var purchasedTransactions = Set<StoreKit.Transaction>()
@@ -124,7 +126,7 @@ extension Notification.Name {
     }
     
     var isSubscriber: Bool {
-        return self.currentPlan != .none
+        return true //self.currentPlan != .none
     }
     
     var currentPlan: StorePlan {

LeCountdown/Views/ContentView.swift

@@ -51,7 +51,9 @@ struct ContentView<T : AbstractTimer>: View {
                 .foregroundColor(.white)
             }
             
-            TimersView(isEditing: self.$isEditing, siriHandler: { timer in
+            TimersView(isEditing: self.$isEditing,
+                       showSubscriptionSheet: self.$showSubscriptionSheet,
+                       siriHandler: { timer in
                 self._handleSiriTips(timer: timer)
             })
                 .environment(\.managedObjectContext, viewContext)

LeCountdown/Views/DialView.swift

@@ -15,7 +15,10 @@ struct DialView: View {
     @EnvironmentObject var conductor: Conductor
 
     @State var timer: AbstractTimer
+    
+    var isLaunchable: Bool
     var isEditingBinding: Binding<Bool>
+    @Binding var showSubscriptionSheet: Bool
 
     var frameSize: CGFloat
     
@@ -27,13 +30,27 @@ struct DialView: View {
             switch self.isEditingBinding.wrappedValue {
             case false:
                 Button {
+                    if self.isLaunchable {
                         self._launchTimer()
+                    } else {
+                        self.showSubscriptionSheet = true
+                    }
                 } label: {
+                    
+                    ZStack {
+                        
                         VStack {
                             Spacer()
                             self._dialView().padding(.horizontal)
                             Spacer()
                         }
+                        
+                        if !self.isLaunchable {
+                            Group {
+                                Image(systemName: "lock.circle").font(.title).foregroundColor(.white)
+                            }.frame(maxWidth: .infinity, maxHeight: .infinity).background(Color(white: 0.0, opacity: 0.6))
+                        }
+                    }
                 }
             case true:
                 NavigationLink {
@@ -119,7 +136,10 @@ struct DialView_Previews: PreviewProvider {
         
         DialView(
             timer: Countdown.fake(context: PersistenceController.preview.container.viewContext),
-            isEditingBinding: .constant(true), frameSize: 150.0)
+            isLaunchable: true,
+            isEditingBinding: .constant(false),
+            showSubscriptionSheet: .constant(false),
+            frameSize: 150.0)
             .environmentObject(Conductor.maestro)
             .environmentObject(BoringContext())
 

LeCountdown/Views/PresetsView.swift

@@ -119,7 +119,7 @@ struct PresetsView: View {
     }
     
     fileprivate func _showNewCountdown() {
-        if AppGuard.main.isSubscriber || viewContext.count(entityName: "AbstractTimer") < 4 {
+        if AppGuard.main.isSubscriber || viewContext.count(entityName: "AbstractTimer") < AppGuard.freeTimersCount {
             self.isShowingNewCountdown = true
         } else {
             self.isShowingSubscription = true

LeCountdown/Views/TimersView.swift

@@ -14,6 +14,7 @@ struct TimersView: View {
     @Environment(\.managedObjectContext) private var viewContext
 
     @Binding var isEditing: Bool
+    @Binding var showSubscriptionSheet: Bool
 
     var siriHandler: ((AbstractTimer) -> ())
     
@@ -24,6 +25,7 @@ struct TimersView: View {
     
     fileprivate let itemSpacing: CGFloat = 10.0
     
+
     var body: some View {
         
         let abstractTimers: [AbstractTimer] = Array(self.timers)
@@ -43,8 +45,11 @@ struct TimersView: View {
                         
                         ReorderableForEach(items: abstractTimers) { timer in
                             
+                            let launchable: Bool = self._isLaunchable(timer: timer)
                             DialView(timer: timer,
+                                     isLaunchable: launchable,
                                      isEditingBinding: self.$isEditing,
+                                     showSubscriptionSheet: self.$showSubscriptionSheet,
                                      frameSize: width, handler: { timer in
                                 
                                 self.siriHandler(timer)
@@ -68,7 +73,16 @@ struct TimersView: View {
         
     }
     
+    fileprivate func _isLaunchable(timer: AbstractTimer) -> Bool {
+        return AppGuard.main.isSubscriber || (self.timers.firstIndex(of: timer) ?? 0) < AppGuard.freeTimersCount
+    }
+    
     fileprivate func _reorder(from: IndexSet, to: Int) {
+        
+        guard AppGuard.main.isSubscriber || self.timers.count < 4 else {
+            return
+        }
+        
         var timers: [AbstractTimer] = Array(self.timers)
         timers.move(fromOffsets: from, toOffset: to)
         for (i, countdown) in timers.enumerated() {
@@ -102,6 +116,6 @@ struct TimersView: View {
 
 struct TimersView_Previews: PreviewProvider {
     static var previews: some View {
-        TimersView(isEditing: .constant(false), siriHandler: { _ in })
+        TimersView(isEditing: .constant(false), showSubscriptionSheet: .constant(false), siriHandler: { _ in })
     }
 }