Add a setting (off by default) for showing all rooms in home

Fixes #107

@LogN review

lib/controllers/settings_sections.dart

@@ -93,6 +93,23 @@ class SettingsSectionsController
                     : null,
               ),
             ),
+            .new(
+              title: "All Rooms In Home",
+              description: "Show all rooms in home, instead of just ones that aren't in spaces",
+              icon: Icons.home,
+              builder: (title, description, icon) => SwitchListTile(
+                title: Text(title),
+                subtitle: Text(description),
+                secondary: Icon(icon),
+                value: settings.showAllInHome,
+                onChanged: Platform.isLinux
+                    ? (value) => ref
+                          .watch(SettingsController.provider.notifier)
+                          .set(settings.copyWith(showAllInHome: value))
+                          .onError(showError)
+                    : null,
+              ),
+            ),
           ]),
         ),
       ]),

lib/controllers/spaces.dart

@@ -4,15 +4,16 @@ import "package:material_ui/material_ui.dart";
 import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:nexus/controllers/account_data.dart";
 import "package:nexus/controllers/rooms.dart";
+import "package:nexus/controllers/settings.dart";
 import "package:nexus/controllers/top_level_spaces.dart";
 import "package:nexus/controllers/space_edges.dart";
 import "package:nexus/models/room.dart";
 import "package:nexus/models/space.dart";
 import "package:nexus/models/subspace.dart";
 
-class SpacesController extends Notifier<IList<Space>> {
+class SpacesController extends AsyncNotifier<IList<Space>> {
   @override
-  IList<Space> build() {
+  Future<IList<Space>> build() async {
     final rooms = ref.watch(RoomsController.provider);
     final topLevelSpaceIds = ref.watch(TopLevelSpacesController.provider);
     final spaceEdges = ref.watch(SpaceEdgesController.provider);
@@ -77,10 +78,10 @@ class SpacesController extends Notifier<IList<Space>> {
 
     final spaces = topLevelSpaceIds.map(buildSpace).toIList();
 
-    final usedRoomIds = {
+    final usedRooms = {
       for (final space in spaces) ...[
-        ...space.children.map((r) => r.metadata?.id),
+        ...space.children,
-        ...space.subSpaces.expand((s) => s.children.map((r) => r.metadata?.id)),
+        ...space.subSpaces.expand((s) => s.children),
       ],
     }.nonNulls.toISet();
 
@@ -89,7 +90,9 @@ class SpacesController extends Notifier<IList<Space>> {
     final otherRooms = rooms.entries
         .where(
           (e) =>
-              !usedRoomIds.contains(e.key) &&
+              !usedRooms
+                  .map((element) => element.metadata?.id)
+                  .contains(e.key) &&
               !topLevelSpaceIds.contains(e.key) &&
               !childrenById.containsKey(e.key),
         )
@@ -97,6 +100,15 @@ class SpacesController extends Notifier<IList<Space>> {
         .toIList();
 
     final homeRooms = otherRooms
+        .addAll(
+          await ref.watch(
+                SettingsController.provider.selectAsync(
+                  (data) => data.showAllInHome,
+                ),
+              )
+              ? usedRooms
+              : .empty(),
+        )
         .where((r) => !directMessages.contains(r.metadata?.id))
         .toIList();
 
@@ -143,7 +155,7 @@ class SpacesController extends Notifier<IList<Space>> {
         .toIList();
   }
 
-  static final provider = NotifierProvider<SpacesController, IList<Space>>(
+  static final provider = AsyncNotifierProvider<SpacesController, IList<Space>>(
     SpacesController.new,
   );
 }

lib/helpers/extensions/focus_room.dart

@@ -7,7 +7,7 @@ import "package:nexus/models/space.dart";
 
 extension FocusRoom on MutationTarget {
   Future<bool> focusRoom(String roomId, [int? eventRowId]) async {
-    final spaces = container.read(SpacesController.provider);
+    final spaces = await container.read(SpacesController.provider.future);
 
     if (spaces.firstWhereOrNull((space) => space.id == roomId) case Space _?) {
       await container

lib/models/settings.dart

@@ -10,6 +10,7 @@ class const Settings({
   final ThemeMode theme = ThemeMode.system,
   final bool useDynamicTheming = true,
   final bool linuxMobileMode = false,
+  final bool showAllInHome = false,
 }) with _$Settings {
   Map<String, Object?> toJson() => _$SettingsToJson(this);
 

lib/widgets/room_list.dart

@@ -4,6 +4,7 @@ import "package:navigation_rail_m3e/navigation_rail_m3e.dart";
 import "package:nexus/models/nav_page.dart";
 import "package:nexus/widgets/avatar_or_hash.dart";
 import "package:nexus/widgets/divider_widget.dart";
+import "package:nexus/widgets/error_dialog.dart";
 import "package:nexus/widgets/pages/settings.dart";
 import "package:nexus/widgets/join_dialog.dart";
 import "package:nexus/widgets/room_menu.dart";
@@ -43,10 +44,22 @@ class const RoomList({super.key})
     final selectedRoomId = ref.watch(selectedRoomController).requireValue;
     final selectedRoomIdNotifier = ref.watch(selectedRoomController.notifier);
 
-    final spaces = ref.watch(SpacesController.provider);
+    final spacesAsync = ref.watch(SpacesController.provider);
+    final spaces = spacesAsync.value;
+    if (spaces == null) {
+      return switch (spacesAsync) {
+        AsyncError(:final error, :final stackTrace) => ErrorDialog(
+          error,
+          stackTrace,
+        ),
+        _ => const Center(child: CircularProgressIndicator()),
+      };
+    }
+
     final indexOfSelected = spaces.indexWhere(
       (space) => space.id == selectedSpaceId,
     );
+
     final selectedIndex = indexOfSelected == -1 ? 0 : indexOfSelected;
 
     final selectedSpace =