Fixes #3146 - Remove the account migration screen

ElementX/Sources/Screens/HomeScreen/View/HomeScreen.swift

@@ -188,17 +188,11 @@ struct HomeScreen: View {
 // MARK: - Previews
 
 struct HomeScreen_Previews: PreviewProvider, TestablePreview {
-    static let migratingViewModel = viewModel(.migration)
     static let loadingViewModel = viewModel(.skeletons)
     static let emptyViewModel = viewModel(.empty)
     static let loadedViewModel = viewModel(.rooms)
     
     static var previews: some View {
-        NavigationStack {
-            HomeScreen(context: migratingViewModel.context)
-        }
-        .previewDisplayName("Migrating")
-        
         NavigationStack {
             HomeScreen(context: loadingViewModel.context)
         }
@@ -218,14 +212,9 @@ struct HomeScreen_Previews: PreviewProvider, TestablePreview {
     }
     
     static func viewModel(_ mode: HomeScreenRoomListMode) -> HomeScreenViewModel {
-        let userID = mode == .migration ? "@unmigrated_alice:example.com" : "@alice:example.com"
-        
-        let appSettings = AppSettings() // This uses shared storage under the hood
-        appSettings.migratedAccounts[userID] = mode != .migration
+        let userID = "@alice:example.com"
         
         let roomSummaryProviderState: RoomSummaryProviderMockConfigurationState = switch mode {
-        case .migration:
-            .loading
         case .skeletons:
             .loading
         case .empty:
@@ -241,7 +230,7 @@ struct HomeScreen_Previews: PreviewProvider, TestablePreview {
         
         return HomeScreenViewModel(userSession: userSession,
                                    analyticsService: ServiceLocator.shared.analytics,
-                                   appSettings: appSettings,
+                                   appSettings: ServiceLocator.shared.settings,
                                    selectedRoomPublisher: CurrentValueSubject<String?, Never>(nil).asCurrentValuePublisher(),
                                    userIndicatorController: ServiceLocator.shared.userIndicatorController)
     }

ElementX/Sources/Screens/HomeScreen/View/HomeScreenContent.swift

@@ -16,13 +16,8 @@ struct HomeScreenContent: View {
     let scrollViewAdapter: ScrollViewAdapter
     
     var body: some View {
-        switch context.viewState.roomListMode {
-        case .migration:
-            migrationView
-        default:
-            roomList
-                .sentryTrace("\(Self.self)")
-        }
+        roomList
+            .sentryTrace("\(Self.self)")
     }
     
     private var roomList: some View {
@@ -59,8 +54,6 @@ struct HomeScreenContent: View {
                     .searchable(text: $context.searchQuery, placement: .navigationBarDrawer(displayMode: .always))
                     .compoundSearchField()
                     .disableAutocorrection(true)
-                case .migration:
-                    EmptyView()
                 }
             }
             .introspect(.scrollView, on: .supportedVersions) { scrollView in
@@ -141,47 +134,6 @@ struct HomeScreenContent: View {
         }
     }
     
-    @ViewBuilder
-    private var migrationView: some View {
-        if UIDevice.current.isPhone {
-            if verticalSizeClass == .compact {
-                migrationViewContent
-                    .frame(maxWidth: .infinity, maxHeight: .infinity)
-            } else {
-                WaitingDialog {
-                    migrationViewContent
-                } bottomContent: {
-                    EmptyView()
-                }
-            }
-        } else {
-            migrationViewContent
-                .frame(maxWidth: .infinity, maxHeight: .infinity)
-        }
-    }
-    
-    private var migrationViewContent: some View {
-        VStack(spacing: 16) {
-            ProgressView()
-                .tint(.compound.iconPrimary)
-                .padding(.bottom, 4)
-            
-            Text(L10n.screenMigrationTitle.tinting(".", color: Asset.Colors.brandColor.swiftUIColor))
-                .minimumScaleFactor(0.01)
-                .font(.compound.headingXLBold)
-                .multilineTextAlignment(.center)
-                .foregroundColor(.compound.textPrimary)
-            
-            Text(L10n.screenMigrationMessage)
-                .minimumScaleFactor(0.01)
-                .font(.compound.bodyLG)
-                .multilineTextAlignment(.center)
-                .foregroundColor(.compound.textPrimary)
-                .accessibilityIdentifier(A11yIdentifiers.migrationScreen.message)
-        }
-        .padding(.horizontal)
-    }
-    
     /// Often times the scroll view's content size isn't correct yet when this method is called e.g. when cancelling a search
     /// Dispatch it with a delay to allow the UI to update and the computations to be correct
     /// Once we move to iOS 17 we should remove all of this and use scroll anchors instead