snapshot of https://github.com/RocketChat/Rocket.Chat.git (develop, 2026-09-16; blobs > 131072B omitted)

apps/meteor/server/lib/roles/getRoomRoles.ts

@@ -0,0 +1,43 @@
+import type { IRoom } from '@rocket.chat/core-typings';
+import { Roles, Subscriptions, Users } from '@rocket.chat/models';
+import _ from 'underscore';
+
+import { settings } from '../../settings';
+
+export type RoomRoles = {
+	rid: IRoom['_id'];
+	u: {
+		_id: string;
+		username: string;
+		name?: string;
+	};
+	roles: string[];
+};
+
+export async function getRoomRoles(rid: IRoom['_id']): Promise<RoomRoles[]> {
+	const useRealName = settings.get('UI_Use_Real_Name') === true;
+
+	const roles = await Roles.find({ scope: 'Subscriptions', description: { $exists: true, $ne: '' } }).toArray();
+	const subscriptions = await Subscriptions.findByRoomIdAndRoles<RoomRoles>(rid, _.pluck(roles, '_id'), {
+		sort: {
+			'u.username': 1 as const,
+		},
+		projection: {
+			rid: 1,
+			u: 1,
+			roles: 1,
+		},
+	}).toArray();
+
+	if (!useRealName) {
+		return subscriptions;
+	}
+
+	return Promise.all(
+		subscriptions.map(async (subscription) => {
+			const user = await Users.findOneById(subscription.u._id);
+			subscription.u.name = user?.name;
+			return subscription;
+		}),
+	);
+}