MOB-2119 - Maintenance mode (#616)

* Added key for full maintenance mode.
Handle showing of dedicated view.

* Implemented UI for full maintenance mode view

* Extended structure of maintenance data

* Notify about flag updated
Handle flag updated in maintenance view

* Created ud feature flag tracker object

* Refactoring

* Added flag to track OKLink availability

* Handle profiles API service is down

* Handle Ecomm API service is down

* Handle attempt to open domain profile when profiles api services is down

* Handle Infura service is down

* Handle MPC service is down

* Restrict mpc purchase when ecomm is in maintenance

* Enhanced maintenance mode data.
Added tests.

* Improved full maintenance handling

* Handle maintenance status updated in flag tracker

unstoppable-ios-app/domains-manager-ios-preview/AppContext/PreviewCoreAppCoordinator.swift

@@ -35,6 +35,8 @@ final class CoreAppCoordinator: CoreAppCoordinatorProtocol {
 
     }
 
+    func showFullMaintenanceModeOn(maintenanceData: MaintenanceModeData) { }
+
     func setKeyWindow() {
 
     }

unstoppable-ios-app/domains-manager-ios-preview/AppContext/PreviewUDFeatureFlagsService.swift

@@ -6,8 +6,15 @@
 //
 
 import Foundation
+import Combine
 
 final class UDFeatureFlagsService: UDFeatureFlagsServiceProtocol {
+    private(set) var featureFlagPublisher = PassthroughSubject<UDFeatureFlag, Never>()
+
+    func entityValueFor<T: Codable>(flag: UDFeatureFlag) -> T? {
+        nil
+    }
+
     func valueFor(flag: UDFeatureFlag) -> Bool {
         true
     }

unstoppable-ios-app/domains-manager-ios-preview/Entities/PreviewMPCConnector.swift

@@ -48,6 +48,10 @@ extension FB_UD_MPC {
             .init(id: "1", status: "", type: "")
         }
 
+        func startSendETHTransaction(accessToken: String, accountId: String, assetId: String, destinationAddress: String, data: String, value: String) async throws -> FB_UD_MPC.OperationDetails {
+            .init(id: "1", status: "", type: "")
+        }
+
         func waitForOperationCompleted(accessToken: String, operationId: String) async throws {
 
         }
@@ -56,7 +60,6 @@ extension FB_UD_MPC {
             ""
         }
 
-
         func fetchCryptoPortfolioForMPC(wallet: String, accessToken: String) async throws -> [WalletTokenPortfolio] {
             MockEntitiesFabric.Wallet.mockEntities()[0].balance
         }

unstoppable-ios-app/domains-manager-ios/AppContext/GeneralAppContext.swift

@@ -50,7 +50,8 @@ final class GeneralAppContext: AppContextProtocol {
     private(set) lazy var appLaunchService: AppLaunchServiceProtocol = {
         AppLaunchService(coreAppCoordinator: coreAppCoordinator,
                          udWalletsService: udWalletsService, 
-                         userProfilesService: userProfilesService)
+                         userProfilesService: userProfilesService,
+                         udFeatureFlagsService: udFeatureFlagsService)
     }()
     private(set) lazy var domainRecordsService: DomainRecordsServiceProtocol = DomainRecordsService()
     private(set) lazy var qrCodeService: QRCodeServiceProtocol = QRCodeService()

unstoppable-ios-app/domains-manager-ios/Entities/MaintenanceModeData.swift

@@ -0,0 +1,75 @@
+//
+//  MaintenanceModeData.swift
+//  domains-manager-ios
+//
+//  Created by Oleg Kuplin on 23.07.2024.
+//
+
+import Foundation
+
+struct MaintenanceModeData: Codable {
+    private let isOn: Bool
+    var link: String?
+    var title: String?
+    var message: String?
+    var startDate: Date?
+    var endDate: Date?
+
+    init(isOn: Bool, 
+         link: String? = nil,
+         title: String? = nil,
+         message: String? = nil,
+         startDate: Date? = nil,
+         endDate: Date? = nil) {
+        self.isOn = isOn
+        self.link = link
+        self.title = title
+        self.message = message
+        self.startDate = startDate
+        self.endDate = endDate
+    }
+
+    var isCurrentlyEnabled: Bool {
+        if isOn {
+            /// If there's a startDate set, we check if it is already started,. Otherwise return true
+            if let startDate {
+                if startDate > Date() {
+                    return false
+                } else if let endDate { /// If there's  end date, we check if it is already ended. Otherwise return true
+                    return endDate >= Date()
+                }
+                return true
+            } else if let endDate {
+                return endDate >= Date()
+            }
+
+            return true
+        }
+        return false
+    }
+
+    var linkURL: URL? { URL(string: link ?? "") }
+
+    func onMaintenanceStatusUpdate(callback: @escaping EmptyCallback) {
+        let now = Date()
+
+        func scheduleUpdatedAfter(date: Date) {
+            let timeInterval = date.timeIntervalSince(now) + 1
+            DispatchQueue.main.asyncAfter(deadline: .now() + timeInterval) {
+                callback()
+            }
+        }
+
+        if let startDate,
+           startDate > now {
+            scheduleUpdatedAfter(date: startDate)
+        } else if let endDate,
+           endDate > now {
+            scheduleUpdatedAfter(date: endDate)
+        }
+    }
+}
+
+
+
+

unstoppable-ios-app/domains-manager-ios/Extensions/Extension-String+Preview.swift

@@ -1282,6 +1282,26 @@ extension String {
         static let backedUp = "BACKED_UP"
         static let backUp = "BACK_UP"
         static let setAsPrimaryDomain = "SET_AS_PRIMARY_DOMAIN"
+
+        // Maintenance
+        static let fullMaintenanceMessageTitle = "FULL_MAINTENANCE_MESSAGE_TITLE"
+        static let fullMaintenanceMessageSubtitle = "FULL_MAINTENANCE_MESSAGE_SUBTITLE"
+        static let activityMaintenanceMessageTitle = "ACTIVITY_MAINTENANCE_MESSAGE_TITLE"
+        static let activityMaintenanceMessageSubtitle = "ACTIVITY_MAINTENANCE_MESSAGE_SUBTITLE"
+        static let exploreMaintenanceMessageTitle = "EXPLORE_MAINTENANCE_MESSAGE_TITLE"
+        static let exploreMaintenanceMessageSubtitle = "EXPLORE_MAINTENANCE_MESSAGE_SUBTITLE"
+        static let homeMaintenanceMessageTitle = "HOME_MAINTENANCE_MESSAGE_TITLE"
+        static let homeMaintenanceMessageSubtitle = "HOME_MAINTENANCE_MESSAGE_SUBTITLE"
+        static let purchaseDomainsMaintenanceMessageTitle = "PURCHASE_DOMAINS_MAINTENANCE_MESSAGE_TITLE"
+        static let purchaseDomainsMaintenanceMessageSubtitle = "PURCHASE_DOMAINS_MAINTENANCE_MESSAGE_SUBTITLE"
+        static let vaultedDomainsMaintenanceMessageTitle = "VAULTED_DOMAINS_MAINTENANCE_MESSAGE_TITLE"
+        static let vaultedDomainsMaintenanceMessageSubtitle = "VAULTED_DOMAINS_MAINTENANCE_MESSAGE_SUBTITLE"
+        static let domainProfileMaintenanceMessageTitle = "DOMAIN_PROFILE_MAINTENANCE_MESSAGE_TITLE"
+        static let domainProfileMaintenanceMessageSubtitle = "DOMAIN_PROFILE_MAINTENANCE_MESSAGE_SUBTITLE"
+        static let sendCryptoMaintenanceMessageTitle = "SEND_CRYPTO_MAINTENANCE_MESSAGE_TITLE"
+        static let sendCryptoMaintenanceMessageSubtitle = "SEND_CRYPTO_MAINTENANCE_MESSAGE_SUBTITLE"
+        static let signMessagesMaintenanceMessageTitle = "SIGN_MESSAGES_MAINTENANCE_MESSAGE_TITLE"
+        static let signMessagesMaintenanceMessageSubtitle = "SIGN_MESSAGES_MAINTENANCE_MESSAGE_SUBTITLE"
     }
 
     enum SystemImage: String {

unstoppable-ios-app/domains-manager-ios/Modules/Home/Activity/HomeActivityView.swift

@@ -11,8 +11,10 @@ struct HomeActivityView: View, ViewAnalyticsLogger {
 
     @EnvironmentObject var tabRouter: HomeTabRouter
     @State private var navigationState: NavigationStateManager?
+    @StateObject private var okLinkFlagTracker = UDMaintenanceModeFeatureFlagTracker(featureFlag: .isMaintenanceOKLinkEnabled)
+    @StateObject private var profilesAPIFlagTracker = UDMaintenanceModeFeatureFlagTracker(featureFlag: .isMaintenanceProfilesAPIEnabled)
     @StateObject var viewModel: HomeActivityViewModel
-    
+
     var isOtherScreenPushed: Bool { !tabRouter.activityTabNavPath.isEmpty }
     var analyticsName: Analytics.ViewName { .homeActivity }
 
@@ -94,7 +96,15 @@ private extension HomeActivityView {
 private extension HomeActivityView {
     @ViewBuilder
     func contentList() -> some View {
-        if viewModel.groupedTxs.isEmpty,
+        if okLinkFlagTracker.maintenanceData?.isCurrentlyEnabled == true {
+            MaintenanceDetailsEmbeddedView(serviceType: .activity,
+                                           maintenanceData: okLinkFlagTracker.maintenanceData)
+            .frame(maxWidth: .infinity, maxHeight: .infinity)
+        } else if profilesAPIFlagTracker.maintenanceData?.isCurrentlyEnabled == true {
+            MaintenanceDetailsEmbeddedView(serviceType: .activity,
+                                           maintenanceData: profilesAPIFlagTracker.maintenanceData)
+            .frame(maxWidth: .infinity, maxHeight: .infinity)
+        } else if viewModel.groupedTxs.isEmpty,
            !viewModel.isLoadingMore {
             GeometryReader { geometry in
                 /// ScrollView needed to keep PTR functionality

unstoppable-ios-app/domains-manager-ios/Modules/Home/Explore/HomeExploreView.swift

@@ -11,8 +11,9 @@ struct HomeExploreView: View, ViewAnalyticsLogger {
 
     @EnvironmentObject var tabRouter: HomeTabRouter
     @State private var navigationState: NavigationStateManager?
+    @StateObject private var profilesAPIFlagTracker = UDMaintenanceModeFeatureFlagTracker(featureFlag: .isMaintenanceProfilesAPIEnabled)
     @StateObject var viewModel: HomeExploreViewModel
-    
+
     var isOtherScreenPushed: Bool { !tabRouter.exploreTabNavPath.isEmpty }
     var analyticsName: Analytics.ViewName { .homeExplore }
 
@@ -22,7 +23,7 @@ struct HomeExploreView: View, ViewAnalyticsLogger {
                 if viewModel.isSearchActive {
                     domainSearchTypeSelector()
                 }
-                contentList()
+                contentView()
             }
             .animation(.default, value: UUID())
             .background(Color.backgroundDefault)
@@ -122,6 +123,17 @@ private extension HomeExploreView {
             .background(.regularMaterial)
     }
 
+    @ViewBuilder
+    func contentView() -> some View {
+        if profilesAPIFlagTracker.maintenanceData?.isCurrentlyEnabled == true {
+            MaintenanceDetailsEmbeddedView(serviceType: .explore,
+                                           maintenanceData: profilesAPIFlagTracker.maintenanceData)
+            .frame(maxWidth: .infinity, maxHeight: .infinity)
+        } else {
+            contentList()
+        }
+    }
+
     @ViewBuilder
     func contentList() -> some View {
         List {

unstoppable-ios-app/domains-manager-ios/Modules/Home/HomeTabRouter.swift

@@ -22,6 +22,7 @@ final class HomeTabRouter: ObservableObject {
     @Published var exploreTabNavPath: [HomeExploreNavigationDestination] = []
     @Published var activityTabNavPath: [HomeActivityNavigationDestination] = []
     @Published var presentedNFT: NFTDisplayInfo?
+
     @Published var presentedDomain: DomainPresentationDetails?
     @Published var presentedPublicDomain: PublicProfileViewConfiguration?
     @Published var presentedUBTSearch: UBTSearchPresentationDetails?
@@ -162,6 +163,10 @@ extension HomeTabRouter {
             guard !domain.isTransferring else {
                 showDomainTransferringInProgress(domain)
                 return }
+            let flagTracker = UDMaintenanceModeFeatureFlagTracker(featureFlag: .isMaintenanceProfilesAPIEnabled)
+            guard flagTracker.maintenanceData?.isCurrentlyEnabled != true else {
+                appContext.pullUpViewService.showDomainProfileInMaintenancePullUp(in: topVC)
+                return }
 
             presentedDomain = .init(domain: domain,
                                     wallet: wallet,
@@ -213,8 +218,8 @@ extension HomeTabRouter {
                 let mintedDomains = domains.interactableItems()
 
                 walletViewNavPath.append(HomeWalletNavigationDestination.minting(mode: mode,
-                                                                                      mintedDomains: mintedDomains,
-                                                                                      domainsMintedCallback: { result in
+                                                                                 mintedDomains: mintedDomains,
+                                                                                 domainsMintedCallback: { result in
                 }, mintingNavProvider: { [weak self] mintingNav in
                     self?.mintingNav = mintingNav
                 }))
@@ -267,7 +272,6 @@ extension HomeTabRouter {
                     completion(Void())
                 }))
             }
-            //await view.dismissPullUpMenu()
             await finishSetupPurchasedProfileIfNeeded(domains: domains, requests: requests)
         }
     }
@@ -337,6 +341,12 @@ extension HomeTabRouter {
             }
         }
     }
+
+    func showSigningMessagesInMaintenancePullUp() {
+        guard let topVC else { return }
+
+        appContext.pullUpViewService.showMessageSigningInMaintenancePullUp(in: topVC)
+    }
 }
 
 // MARK: - Pull up related
@@ -416,7 +426,6 @@ extension HomeTabRouter: PublicProfileViewDelegate {
 
         UDRouter().showTransferInProgressScreen(domain: domain, in: topVC)
     }
-
 }
 
 // MARK: - Private methods
@@ -501,7 +510,6 @@ private extension HomeTabRouter {
                         }
                     }))
                 }
-                //                await view.dismissPullUpMenu()
                 await finishSetupPurchasedProfileIfNeeded(domains: domains, requests: requests)
             } catch {
                 PurchasedDomainsStorage.setPendingNonEmptyProfiles(pendingProfilesLeft)

unstoppable-ios-app/domains-manager-ios/Modules/Home/SendCryptoAsset/SendCryptoAssetRootView.swift

@@ -11,23 +11,13 @@ struct SendCryptoAssetRootView: View {
 
     @Environment(\.presentationMode) private var presentationMode
     @StateObject var viewModel: SendCryptoAssetViewModel
+    @StateObject private var infuraFlagTracker = UDMaintenanceModeFeatureFlagTracker(featureFlag: .isMaintenanceInfuraEnabled)
+    @StateObject private var mpcFlagTracker = UDMaintenanceModeFeatureFlagTracker(featureFlag: .isMaintenanceMPCEnabled)
 
     var body: some View {
         NavigationViewWithCustomTitle(content: {
             ZStack {
-                SendCryptoAssetSelectReceiverView()
-                    .environmentObject(viewModel)
-                    .navigationBarTitleDisplayMode(.inline)
-                    .navigationDestination(for: SendCryptoAsset.NavigationDestination.self) { destination in
-                        SendCryptoAsset.LinkNavigationDestination.viewFor(navigationDestination: destination)
-                            .ignoresSafeArea()
-                            .environmentObject(viewModel)
-                    }
-                    .onChange(of: viewModel.navPath) { _ in
-                        updateTitleView()
-                    }
-                    .trackNavigationControllerEvents(onDidNotFinishNavigationBack: updateTitleView)
-
+                contentView()
                 if viewModel.isLoading {
                     ProgressView()
                 }
@@ -52,6 +42,63 @@ private extension SendCryptoAssetRootView {
     }
 }
 
+// MARK: - Private methods
+private extension SendCryptoAssetRootView {
+    var isMaintenanceOnForSelectedWallet: Bool {
+        affectedServiceMaintenanceData?.isCurrentlyEnabled == true
+    }
+
+    var affectedServiceMaintenanceData: MaintenanceModeData? {
+        switch viewModel.sourceWallet.udWallet.type {
+        case .mpc:
+            return mpcFlagTracker.maintenanceData
+        case .externalLinked:
+            return nil
+        default:
+            return infuraFlagTracker.maintenanceData
+        }
+    }
+
+    @ViewBuilder
+    func contentView() -> some View {
+        if isMaintenanceOnForSelectedWallet {
+            MaintenanceDetailsFullView(serviceType: .sendCrypto,
+                                           maintenanceData: affectedServiceMaintenanceData)
+            .frame(maxWidth: .infinity, maxHeight: .infinity)
+            .toolbar {
+                ToolbarItem(placement: .topBarLeading) {
+                    closeButton()
+                }
+            }
+        } else {
+            sendCryptoFlowView()
+        }
+    }
+
+    @ViewBuilder
+    func sendCryptoFlowView() -> some View {
+        SendCryptoAssetSelectReceiverView()
+            .environmentObject(viewModel)
+            .navigationBarTitleDisplayMode(.inline)
+            .navigationDestination(for: SendCryptoAsset.NavigationDestination.self) { destination in
+                SendCryptoAsset.LinkNavigationDestination.viewFor(navigationDestination: destination)
+                    .ignoresSafeArea()
+                    .environmentObject(viewModel)
+            }
+            .onChange(of: viewModel.navPath) { _ in
+                updateTitleView()
+            }
+            .trackNavigationControllerEvents(onDidNotFinishNavigationBack: updateTitleView)
+    }
+
+    @ViewBuilder
+    func closeButton() -> some View {
+        CloseButtonView {
+            presentationMode.wrappedValue.dismiss()
+        }
+    }
+}
+
 #Preview {
     PresentAsModalPreviewView {
         SendCryptoAssetRootView(viewModel: SendCryptoAssetViewModel(initialData: .init(sourceWallet:  MockEntitiesFabric.Wallet.mockEntities()[0])))