Merge branch 'improve-provider-flow'

CHANGELOG.md

@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - "Trusted networks" settings are now saved per profile. [#114](https://github.com/passepartoutvpn/passepartout-ios/issues/114)
 - Require explicit `--ca` and `--cipher` in .ovpn configuration file.
+- Restore provider flow after purchase.
 
 ### Fixed
 

Passepartout-iOS/Global/Macros.swift

@@ -63,10 +63,11 @@ extension UIColor {
 }
 
 extension UIViewController {
-    func presentPurchaseScreen(forProduct product: Product) {
+    func presentPurchaseScreen(forProduct product: Product, delegate: PurchaseViewControllerDelegate? = nil) {
         let nav = StoryboardScene.Purchase.initialScene.instantiate()
         let vc = nav.topViewController as? PurchaseViewController
         vc?.feature = product
+        vc?.delegate = delegate
 
         // enforce pre iOS 13 behavior
         nav.modalPresentationStyle = .fullScreen

Passepartout-iOS/Global/Product.swift

@@ -24,6 +24,7 @@
 //
 
 import Foundation
+import StoreKit
 import PassepartoutCore
 
 struct Product: RawRepresentable, Equatable, Hashable {
@@ -136,6 +137,12 @@ struct Product: RawRepresentable, Equatable, Hashable {
 
 extension Infrastructure.Metadata {
     var product: Product {
-        return Product(providerId: description)
+        return Product(providerId: inApp ?? description)
+    }
+}
+
+extension Product {
+    func matchesStoreKitProduct(_ skProduct: SKProduct) -> Bool {
+        return skProduct.productIdentifier == rawValue
     }
 }

Passepartout-iOS/Scenes/Organizer/WizardProviderViewController.swift

@@ -35,6 +35,8 @@ class WizardProviderViewController: UITableViewController, StrongTableHost {
     
     private var createdProfile: ProviderConnectionProfile?
     
+    private var selectedMetadata: Infrastructure.Metadata?
+    
     // MARK: StrongTableHost
     
     let model = StrongTableModel<SectionType, RowType>()
@@ -59,8 +61,10 @@ class WizardProviderViewController: UITableViewController, StrongTableHost {
     }
     
     private func tryNext(withMetadata metadata: Infrastructure.Metadata) {
+        selectedMetadata = metadata
+
         guard ProductManager.shared.isEligible(forProvider: metadata.name) else {
-            presentPurchaseScreen(forProduct: metadata.product)
+            presentPurchaseScreen(forProduct: metadata.product, delegate: self)
             return
         }
 
@@ -70,7 +74,7 @@ class WizardProviderViewController: UITableViewController, StrongTableHost {
             _ = InfrastructureFactory.shared.update(metadata.name, notBeforeInterval: nil) { [weak self] in
                 hud.hide()
                 guard let _ = $0 else {
-                    self?.alertMissingInfrastructure(forName: metadata.name, error: $1)
+                    self?.alertMissingInfrastructure(forMetadata: metadata, error: $1)
                     return
                 }
                 self?.next(withMetadata: metadata)
@@ -95,16 +99,16 @@ class WizardProviderViewController: UITableViewController, StrongTableHost {
         navigationController?.pushViewController(accountVC, animated: true)
     }
     
-    private func alertMissingInfrastructure(forName name: Infrastructure.Name, error: Error?) {
+    private func alertMissingInfrastructure(forMetadata metadata: Infrastructure.Metadata, error: Error?) {
         var message = L10n.Core.Wizards.Provider.Alerts.Unavailable.message
         if let error = error {
-            log.error("Unable to download missing \(name) infrastructure (network error): \(error.localizedDescription)")
+            log.error("Unable to download missing \(metadata.description) infrastructure (network error): \(error.localizedDescription)")
             message.append(" \(error.localizedDescription)")
         } else {
-            log.error("Unable to download missing \(name) infrastructure (API error)")
+            log.error("Unable to download missing \(metadata.description) infrastructure (API error)")
         }
         
-        let alert = UIAlertController.asAlert(name, message)
+        let alert = UIAlertController.asAlert(metadata.description, message)
         alert.addCancelAction(L10n.Core.Global.ok)
         present(alert, animated: true, completion: nil)
         
@@ -214,3 +218,14 @@ extension WizardProviderViewController: AccountViewControllerDelegate {
         finish(withCredentials: vc.credentials)
     }
 }
+
+// MARK: -
+
+extension WizardProviderViewController: PurchaseViewControllerDelegate {
+    func purchaseController(_ purchaseController: PurchaseViewController, didPurchase product: Product) {
+        guard let metadata = selectedMetadata else {
+            return
+        }
+        tryNext(withMetadata: metadata)
+    }
+}

Passepartout-iOS/Scenes/Purchase/PurchaseViewController.swift

@@ -30,10 +30,16 @@ import Convenience
 
 private let log = SwiftyBeaver.self
 
+protocol PurchaseViewControllerDelegate: class {
+    func purchaseController(_ purchaseController: PurchaseViewController, didPurchase product: Product)
+}
+
 class PurchaseViewController: UITableViewController, StrongTableHost {
     private var isLoading = true
 
     var feature: Product!
+    
+    weak var delegate: PurchaseViewControllerDelegate?
 
     private var skFeature: SKProduct?
 
@@ -135,7 +141,14 @@ class PurchaseViewController: UITableViewController, StrongTableHost {
                 }
                 return
             }
-            self?.dismiss(animated: true, completion: nil)
+
+            self?.dismiss(animated: true) {
+                guard let weakSelf = self else {
+                    return
+                }
+                let product = weakSelf.feature.matchesStoreKitProduct(skProduct) ? weakSelf.feature! : .fullVersion
+                weakSelf.delegate?.purchaseController(weakSelf, didPurchase: product)
+            }
         }
     }
     

Submodules/Core

@@ -1 +1 @@
-Subproject commit 20f855f077d974b2a64e3bc952bfd582226ccff4
+Subproject commit 26c1f8d41296d2cd5c1ac2654733e3e31911992c