Show upgrade icon in profiles list (#891)

Visually clarify that a profile requires a purchase to be enabled.

- Implement AppFeatureRequiring in Profile
- Refactor IAPManager.verify() accordingly
- Pre-compute required features in ProfileManager via ProfileProcessor

Passepartout/Library/Sources/AppUIMain/Views/App/ProfileRowView.swift

@@ -86,9 +86,17 @@ private struct MarkerView: View {
     @ObservedObject
     var tunnel: ExtendedTunnel
 
+    let requiredFeatures: Set<AppFeature>?
+
     var body: some View {
+        ZStack {
             ThemeImage(headerId == nextProfileId ? .pending : statusImage)
-            .opaque(headerId == nextProfileId || headerId == tunnel.currentProfile?.id)
+                .opaque(requiredFeatures == nil && (headerId == nextProfileId || headerId == tunnel.currentProfile?.id))
+
+            if let requiredFeatures {
+                PurchaseRequiredButton(features: requiredFeatures, paywallReason: .constant(nil))
+            }
+        }
         .frame(width: 24.0)
     }
 
@@ -111,7 +119,8 @@ private extension ProfileRowView {
         MarkerView(
             headerId: header.id,
             nextProfileId: nextProfileId,
-            tunnel: tunnel
+            tunnel: tunnel,
+            requiredFeatures: requiredFeatures
         )
     }
 
@@ -149,6 +158,10 @@ private extension ProfileRowView {
         return []
     }
 
+    var requiredFeatures: Set<AppFeature>? {
+        profileManager.requiredFeatures(forProfileWithId: header.id)
+    }
+
     var isShared: Bool {
         profileManager.isRemotelyShared(profileWithId: header.id)
     }

Passepartout/Library/Sources/AppUIMain/Views/Profile/ProfileCoordinator.swift

@@ -151,7 +151,7 @@ private extension ProfileCoordinator {
     func onCommitEditingStandard() async throws {
         let savedProfile = try await profileEditor.save(to: profileManager)
         do {
-            try iapManager.verify(savedProfile.activeModules)
+            try iapManager.verify(savedProfile)
         } catch AppError.ineligibleProfile(let requiredFeatures) {
             self.requiredFeatures = requiredFeatures
             requiresPurchase = true

Passepartout/Library/Sources/CommonLibrary/Business/ProfileManager.swift

@@ -60,6 +60,11 @@ public final class ProfileManager: ObservableObject {
     private var allProfiles: [Profile.ID: Profile] {
         didSet {
             reloadFilteredProfiles(with: searchSubject.value)
+            if let processor {
+                requiredFeatures = allProfiles.reduce(into: [:]) {
+                    $0[$1.key] = processor.verify($1.value)
+                }
+            }
         }
     }
 
@@ -67,6 +72,9 @@ public final class ProfileManager: ObservableObject {
 
     private var filteredProfiles: [Profile]
 
+    @Published
+    private var requiredFeatures: [Profile.ID: Set<AppFeature>]
+
     @Published
     public private(set) var isRemoteImportingEnabled: Bool
 
@@ -101,6 +109,7 @@ public final class ProfileManager: ObservableObject {
         }
         allRemoteProfiles = [:]
         filteredProfiles = []
+        requiredFeatures = [:]
         isRemoteImportingEnabled = false
         waitingObservers = []
 
@@ -127,6 +136,7 @@ public final class ProfileManager: ObservableObject {
         allProfiles = [:]
         allRemoteProfiles = [:]
         filteredProfiles = []
+        requiredFeatures = [:]
         isRemoteImportingEnabled = false
         if remoteRepositoryBlock != nil {
             waitingObservers = [.local, .remote]
@@ -168,6 +178,10 @@ extension ProfileManager {
         }
     }
 
+    public func requiredFeatures(forProfileWithId profileId: Profile.ID) -> Set<AppFeature>? {
+        requiredFeatures[profileId]
+    }
+
     public func search(byName name: String) {
         searchSubject.send(name)
     }

Passepartout/Library/Sources/CommonLibrary/Business/ProfileProcessor.swift

@@ -38,18 +38,22 @@ public final class ProfileProcessor: ObservableObject, Sendable {
 
     private nonisolated let _willConnect: (IAPManager, Profile) throws -> Profile
 
+    private nonisolated let _verify: (IAPManager, Profile) -> Set<AppFeature>?
+
     public init(
         iapManager: IAPManager,
         title: @escaping (Profile) -> String,
         isIncluded: @escaping (IAPManager, Profile) -> Bool,
         willSave: @escaping (IAPManager, Profile.Builder) throws -> Profile.Builder,
-        willConnect: @escaping (IAPManager, Profile) throws -> Profile
+        willConnect: @escaping (IAPManager, Profile) throws -> Profile,
+        verify: @escaping (IAPManager, Profile) -> Set<AppFeature>?
     ) {
         self.iapManager = iapManager
         self.title = title
         _isIncluded = isIncluded
         _willSave = willSave
         _willConnect = willConnect
+        _verify = verify
     }
 
     public func isIncluded(_ profile: Profile) -> Bool {
@@ -63,4 +67,8 @@ public final class ProfileProcessor: ObservableObject, Sendable {
     public func willConnect(_ profile: Profile) throws -> Profile {
         try _willConnect(iapManager, profile)
     }
+
+    public func verify(_ profile: Profile) -> Set<AppFeature>? {
+        _verify(iapManager, profile)
+    }
 }

Passepartout/Library/Sources/CommonLibrary/IAP/AppFeatureRequiring.swift

@@ -30,6 +30,32 @@ public protocol AppFeatureRequiring {
     var features: Set<AppFeature> { get }
 }
 
+// MARK: - Profile
+
+extension Profile: AppFeatureRequiring {
+    public var features: Set<AppFeature> {
+        let builders = activeModules.compactMap { module in
+            guard let builder = module.moduleBuilder() else {
+                fatalError("Cannot produce ModuleBuilder from Module: \(module)")
+            }
+            return builder
+        }
+        return builders.features
+    }
+}
+
+extension Array: AppFeatureRequiring where Element == any ModuleBuilder {
+    public var features: Set<AppFeature> {
+        let requirements = compactMap { builder in
+            guard let requiring = builder as? AppFeatureRequiring else {
+                fatalError("ModuleBuilder does not implement AppFeatureRequiring: \(builder)")
+            }
+            return requiring
+        }
+        return Set(requirements.flatMap(\.features))
+    }
+}
+
 // MARK: - Modules
 
 extension DNSModule.Builder: AppFeatureRequiring {

Passepartout/Library/Sources/CommonLibrary/IAP/IAPManager+Verify.swift

@@ -27,36 +27,23 @@ import Foundation
 import PassepartoutKit
 
 extension IAPManager {
-    public func verify(_ modules: [Module]) throws {
-        let builders = modules.map {
-            guard let builder = $0.moduleBuilder() else {
-                fatalError("Cannot produce ModuleBuilder from Module for IAPManager.verify(): \($0)")
-            }
-            return builder
-        }
-        try verify(builders)
+    public func verify(_ profile: Profile) throws {
+        try verify(profile.features)
     }
 
     public func verify(_ modulesBuilders: [any ModuleBuilder]) throws {
+        try verify(modulesBuilders.features)
+    }
+
+    public func verify(_ features: Set<AppFeature>) throws {
 #if os(tvOS)
         guard isEligible(for: .appleTV) else {
             throw AppError.ineligibleProfile([.appleTV])
         }
 #endif
-        let requirements: [(UUID, Set<AppFeature>)] = modulesBuilders
-            .compactMap { builder in
-                guard let requiring = builder as? AppFeatureRequiring else {
-                    return nil
-                }
-                return (builder.id, requiring.features)
-            }
-
-        let requiredFeatures = Set(requirements
-            .flatMap(\.1)
-            .filter {
+        let requiredFeatures = features.filter {
             !isEligible(for: $0)
-            })
-
+        }
         guard requiredFeatures.isEmpty else {
             throw AppError.ineligibleProfile(requiredFeatures)
         }

Passepartout/Library/Sources/UILibrary/Mock/AppContext+Mock.swift

@@ -57,6 +57,9 @@ extension AppContext {
             },
             willConnect: { _, profile in
                 try profile.withProviderModules()
+            },
+            verify: { _, _ in
+                nil
             }
         )
         let profileManager = {

Passepartout/Shared/Shared+App.swift

@@ -48,7 +48,7 @@ extension IAPManager {
             builder
         },
         willConnect: { iap, profile in
-            try iap.verify(profile.activeModules)
+            try iap.verify(profile)
 
             // validate provider modules
             do {
@@ -58,6 +58,16 @@ extension IAPManager {
                 pp_log(.app, .error, "Unable to inject provider modules: \(error)")
                 throw error
             }
+        },
+        verify: { iap, profile in
+            do {
+                try iap.verify(profile)
+                return nil
+            } catch AppError.ineligibleProfile(let requiredFeatures) {
+                return requiredFeatures
+            } catch {
+                return nil
+            }
         }
     )
 }

Passepartout/Tunnel/PacketTunnelProvider.swift

@@ -87,7 +87,7 @@ private extension PacketTunnelProvider {
     func checkEligibility(of profile: Profile, environment: TunnelEnvironment) async throws {
         await iapManager.reloadReceipt()
         do {
-            try iapManager.verify(profile.activeModules)
+            try iapManager.verify(profile)
         } catch {
             let error = PassepartoutError(.App.ineligibleProfile)
             environment.setEnvironmentValue(error.code, forKey: TunnelEnvironmentKeys.lastErrorCode)