From deb53a935953db29484388d461050bd89b278c3e Mon Sep 17 00:00:00 2001
From: Ajay Bura <32841439+ajbura@users.noreply.github.com>
Date: Tue, 22 Jul 2025 08:58:50 +0530
Subject: [PATCH] add room creators hook

---
 src/app/hooks/usePowerLevels.ts  | 20 +++++++++++++++-----
 src/app/hooks/useRoomCreators.ts | 16 ++++++++++++++++
 src/app/utils/room.ts            | 15 ++++-----------
 3 files changed, 35 insertions(+), 16 deletions(-)
 create mode 100644 src/app/hooks/useRoomCreators.ts

diff --git a/src/app/hooks/usePowerLevels.ts b/src/app/hooks/usePowerLevels.ts
index ea007c8c..c16608bb 100644
--- a/src/app/hooks/usePowerLevels.ts
+++ b/src/app/hooks/usePowerLevels.ts
@@ -73,10 +73,13 @@ const getPowersLevelFromMatrixEvent = (mEvent?: MatrixEvent, creators?: string[]
 
 export function usePowerLevels(room: Room): IPowerLevels {
   const powerLevelsEvent = useStateEvent(room, StateEvent.RoomPowerLevels);
-  const powerLevels: IPowerLevels = useMemo(
-    () => getPowersLevelFromMatrixEvent(powerLevelsEvent, getRoomCreators(room)),
-    [room, powerLevelsEvent]
-  );
+  const powerLevels: IPowerLevels = useMemo(() => {
+    const createEvent = getStateEvent(room, StateEvent.RoomCreate);
+    return getPowersLevelFromMatrixEvent(
+      powerLevelsEvent,
+      createEvent ? getRoomCreators(createEvent) : undefined
+    );
+  }, [room, powerLevelsEvent]);
 
   return powerLevels;
 }
@@ -98,7 +101,14 @@ export const useRoomsPowerLevels = (rooms: Room[]): Map<string, IPowerLevels> =>
 
     rooms.forEach((room) => {
       const mEvent = getStateEvent(room, StateEvent.RoomPowerLevels, '');
-      rToPl.set(room.roomId, getPowersLevelFromMatrixEvent(mEvent, getRoomCreators(room)));
+      const createEvent = getStateEvent(room, StateEvent.RoomCreate);
+      rToPl.set(
+        room.roomId,
+        getPowersLevelFromMatrixEvent(
+          mEvent,
+          createEvent ? getRoomCreators(createEvent) : undefined
+        )
+      );
     });
 
     return rToPl;
diff --git a/src/app/hooks/useRoomCreators.ts b/src/app/hooks/useRoomCreators.ts
new file mode 100644
index 00000000..4a460fa5
--- /dev/null
+++ b/src/app/hooks/useRoomCreators.ts
@@ -0,0 +1,16 @@
+import { Room } from 'matrix-js-sdk';
+import { useMemo } from 'react';
+import { useStateEvent } from './useStateEvent';
+import { StateEvent } from '../../types/matrix/room';
+import { getRoomCreators } from '../utils/room';
+
+export const useRoomCreators = (room: Room): string[] | undefined => {
+  const createEvent = useStateEvent(room, StateEvent.RoomCreate);
+
+  const creators = useMemo(
+    () => (createEvent ? getRoomCreators(createEvent) : undefined),
+    [createEvent]
+  );
+
+  return creators;
+};
diff --git a/src/app/utils/room.ts b/src/app/utils/room.ts
index 8aff98fa..7551d193 100644
--- a/src/app/utils/room.ts
+++ b/src/app/utils/room.ts
@@ -516,10 +516,7 @@ export const guessPerfectParent = (
   return perfectParent;
 };
 
-export const getRoomCreators = (room: Room): string[] | undefined => {
-  const createEvent = getStateEvent(room, StateEvent.RoomCreate);
-  if (!createEvent) return undefined;
-
+export const getRoomCreators = (createEvent: MatrixEvent): string[] | undefined => {
   const createContent = createEvent.getContent<IRoomCreateContent>();
   const roomVersion = createContent.room_version;
 
@@ -530,15 +527,11 @@ export const getRoomCreators = (room: Room): string[] | undefined => {
 
   const creators: Set<string> = new Set();
 
-  if (createEvent?.event.sender) {
-    creators.add(createEvent?.event.sender);
+  if (createEvent.event.sender) {
+    creators.add(createEvent.event.sender);
   }
 
-  if (
-    createContent &&
-    'additional_creators' in createContent &&
-    Array.isArray(createContent.additional_creators)
-  ) {
+  if ('additional_creators' in createContent && Array.isArray(createContent.additional_creators)) {
     createContent.additional_creators.forEach((creator) => {
       if (typeof creator === 'string') {
         creators.add(creator);