Clean Up

double.infinity instead of null is clearer in it's intend
non nullable IList is also clearer
fix comment to reflect changes

lib/controllers/power_level_controller.dart

@@ -42,51 +42,37 @@ class PowerLevelController extends Notifier<bool> {
     int powerLevelOf(String userId) =>
         content.users[userId] ?? content.usersDefault;
 
-    //Creators get power level infinite, here marked with null
+    // room creators get power level infinite
     final userLevel = roomCreators?.contains(user) == true
-        ? null
+        ? double.infinity
         : powerLevelOf(user);
 
     return switch (config) {
       EventPowerLevelConfig(:final eventType) =>
-        userLevel == null
-            ? true
-            : (userLevel >=
-                  (content.events[eventType.type] ?? content.eventsDefault)),
+        userLevel >= (content.events[eventType.type] ?? content.eventsDefault),
 
       MembershipActionPowerLevelConfig(:final action, :final targetUser) =>
         switch (action) {
-          .invite => userLevel == null ? true : (userLevel >= content.invite),
+          .invite => userLevel >= content.invite,
 
           .kick =>
-            userLevel == null
-                ? true
-                : (userLevel >= content.kick &&
-                      userLevel > powerLevelOf(targetUser)),
+            userLevel >= content.kick && userLevel > powerLevelOf(targetUser),
 
           .ban =>
-            userLevel == null
-                ? true
-                : (userLevel >= content.ban &&
-                      userLevel > powerLevelOf(targetUser)),
+            userLevel >= content.ban && userLevel > powerLevelOf(targetUser),
 
-          .unban => userLevel == null ? true : (userLevel >= content.ban),
+          .unban => userLevel >= content.ban,
         },
 
       StatePowerLevelConfig(:final eventType) =>
-        userLevel == null
-            ? true
-            : (userLevel >=
-                  (content.events[eventType.type] ?? content.stateDefault)),
+        userLevel >= (content.events[eventType.type] ?? content.stateDefault),
 
       RedactionPowerLevelConfig(:final targetUser) =>
-        userLevel == null
-            ? true
-            : (userLevel >=
-                  (targetUser == user
-                      ? (content.events[EventType.redaction.type] ??
-                            content.eventsDefault)
-                      : content.redact)),
+        userLevel >=
+            (targetUser == user
+                ? (content.events[EventType.redaction.type] ??
+                      content.eventsDefault)
+                : content.redact),
     };
   }
 

lib/controllers/room_creators_controller.dart

@@ -4,16 +4,16 @@ import "package:nexus/models/content/content.dart";
 import "package:nexus/models/content/create.dart";
 import "package:nexus/models/room.dart";
 
-class RoomCreatorsController extends Notifier<IList<String>?> {
+class RoomCreatorsController extends Notifier<IList<String>> {
   final Room room;
   RoomCreatorsController(this.room);
 
   @override
-  IList<String>? build() {
+  IList<String> build() {
     final createRowId = room.state[EventType.create.type]?[""];
     final createEvent = createRowId == null ? null : room.events[createRowId];
 
-    if (createEvent == null) return null;
+    if (createEvent == null) return .new();
 
     final createEventContent = switch (createEvent.content) {
       CreateContent content => content,
@@ -22,12 +22,12 @@ class RoomCreatorsController extends Notifier<IList<String>?> {
 
     return switch (createEventContent?.additionalCreatorIds) {
       IList<String> creators => creators.add(createEvent.sender),
-      _ => [createEvent.sender].toIList(),
+      _ => .new([createEvent.sender]),
     };
   }
 
   static final provider =
-      NotifierProvider.family<RoomCreatorsController, IList<String>?, Room>(
+      NotifierProvider.family<RoomCreatorsController, IList<String>, Room>(
         RoomCreatorsController.new,
       );
 }