Verify feature/provider eligibility

Limit hosts to 2.

Passepartout-iOS/AppDelegate.swift

@@ -97,8 +97,13 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UISplitViewControllerDele
         guard let root = window?.rootViewController else {
             fatalError("No window.rootViewController?")
         }
-        
         let topmost = root.presentedViewController ?? root
+        if TransientStore.shared.service.hasReachedMaximumNumberOfHosts {
+            guard ProductManager.shared.isEligible(forFeature: .unlimitedHosts) else {
+                topmost.presentPurchaseScreen(forProduct: .unlimitedHosts)
+                return false
+            }
+        }
         return tryParseURL(url, passphrase: nil, target: topmost)
     }
     

Passepartout-iOS/Global/Product.swift

@@ -107,3 +107,9 @@ extension Infrastructure.Name {
         return product
     }
 }
+
+extension AppConstants {
+    struct InApp {
+        public static let limitedNumberOfHosts = 2
+    }
+}

Passepartout-iOS/Global/ProductManager.swift

@@ -159,6 +159,13 @@ class ProductManager: NSObject {
     }
 }
 
+extension ConnectionService {
+    var hasReachedMaximumNumberOfHosts: Bool {
+        let numberOfHosts = ids(forContext: .host).count
+        return numberOfHosts >= AppConstants.InApp.limitedNumberOfHosts
+    }
+}
+
 extension ProductManager: SKPaymentTransactionObserver {
     func paymentQueue(_ queue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction]) {
         reloadReceipt()

Passepartout-iOS/Scenes/Organizer/ImportedHostsViewController.swift

@@ -71,7 +71,7 @@ class ImportedHostsViewController: UITableViewController {
     // MARK: Actions
     
     @IBAction private func openConfigurationFile() {
-        let picker = UIDocumentPickerViewController(documentTypes: ["public.content", "public.data"], in: .import)
+        let picker = UIDocumentPickerViewController(documentTypes: AppConstants.URLs.filetypes, in: .import)
         picker.allowsMultipleSelection = false
         picker.delegate = self
         present(picker, animated: true, completion: nil)

Passepartout-iOS/Scenes/Organizer/OrganizerViewController.swift

@@ -204,10 +204,20 @@ class OrganizerViewController: UITableViewController, StrongTableHost {
     }
 
     private func addNewHost() {
+        if TransientStore.shared.service.hasReachedMaximumNumberOfHosts {
+            guard ProductManager.shared.isEligible(forFeature: .unlimitedHosts) else {
+                presentPurchaseScreen(forProduct: .unlimitedHosts)
+                return
+            }
+        }
         perform(segue: StoryboardSegue.Organizer.showImportedHostsSegueIdentifier)
     }
     
     private func addShortcuts() {
+        guard ProductManager.shared.isEligible(forFeature: .siriShortcuts) else {
+            presentPurchaseScreen(forProduct: .siriShortcuts)
+            return
+        }
         perform(segue: StoryboardSegue.Organizer.siriShortcutsSegueIdentifier)
     }
 

Passepartout-iOS/Scenes/Organizer/WizardProviderViewController.swift

@@ -38,6 +38,11 @@ class WizardProviderViewController: UITableViewController {
     }
     
     private func next(withName name: Infrastructure.Name) {
+        guard ProductManager.shared.isEligible(forProvider: name) else {
+            presentPurchaseScreen(forProduct: name.product)
+            return
+        }
+
         let profile = ProviderConnectionProfile(name: name)
         createdProfile = profile
         

Passepartout-iOS/Scenes/ServiceViewController.swift

@@ -347,6 +347,14 @@ class ServiceViewController: UIViewController, StrongTableHost {
     }
     
     private func trustMobileNetwork(cell: ToggleTableViewCell) {
+        guard ProductManager.shared.isEligible(forFeature: .trustedNetworks) else {
+            delay {
+                cell.setOn(false, animated: true)
+            }
+            presentPurchaseScreen(forProduct: .trustedNetworks)
+            return
+        }
+
         if #available(iOS 12, *) {
             IntentDispatcher.donateTrustCellularNetwork()
             IntentDispatcher.donateUntrustCellularNetwork()
@@ -356,6 +364,11 @@ class ServiceViewController: UIViewController, StrongTableHost {
     }
     
     private func trustCurrentWiFi() {
+        guard ProductManager.shared.isEligible(forFeature: .trustedNetworks) else {
+            presentPurchaseScreen(forProduct: .trustedNetworks)
+            return
+        }
+
         if #available(iOS 13, *) {
             let auth = CLLocationManager.authorizationStatus()
             switch auth {
@@ -400,6 +413,14 @@ class ServiceViewController: UIViewController, StrongTableHost {
     }
     
     private func toggleTrustWiFi(cell: ToggleTableViewCell, at row: Int) {
+        guard ProductManager.shared.isEligible(forFeature: .trustedNetworks) else {
+            delay {
+                cell.setOn(false, animated: true)
+            }
+            presentPurchaseScreen(forProduct: .trustedNetworks)
+            return
+        }
+
         if cell.isOn {
             trustedNetworks.enableWifi(at: row)
         } else {