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

apps/meteor/server/lib/rooms/setRoomAvatar.ts

@@ -0,0 +1,51 @@
+import { api, Message } from '@rocket.chat/core-services';
+import type { IUser } from '@rocket.chat/core-typings';
+import { isRegisterUser } from '@rocket.chat/core-typings';
+import { Avatars, Rooms } from '@rocket.chat/models';
+import { Meteor } from 'meteor/meteor';
+
+import { RocketChatFile } from '../media/file';
+import { FileUpload } from '../media/file-upload';
+
+export const setRoomAvatar = async function (rid: string, dataURI: string, user: IUser): Promise<void> {
+	if (!isRegisterUser(user)) {
+		throw new Meteor.Error('invalid-user', 'Invalid user', {
+			function: 'RocketChat.setRoomAvatar',
+		});
+	}
+
+	const fileStore = FileUpload.getStore('Avatars');
+
+	const current = await Avatars.findOneByRoomId(rid);
+
+	if (!dataURI) {
+		await fileStore.deleteByRoomId(rid);
+		await Message.saveSystemMessage('room_changed_avatar', rid, '', user);
+		void api.broadcast('room.avatarUpdate', { _id: rid });
+		await Rooms.unsetAvatarData(rid);
+		return;
+	}
+
+	const fileData = RocketChatFile.dataURIParse(dataURI);
+
+	const buffer = Buffer.from(fileData.image, 'base64');
+
+	const file = {
+		rid,
+		type: fileData.contentType,
+		size: buffer.length,
+		uid: user._id,
+	};
+
+	if (current) {
+		await fileStore.deleteById(current._id);
+	}
+
+	const result = await fileStore.insert(file, buffer);
+
+	setTimeout(async () => {
+		result.etag && (await Rooms.setAvatarData(rid, 'upload', result.etag));
+		await Message.saveSystemMessage('room_changed_avatar', rid, '', user);
+		void api.broadcast('room.avatarUpdate', { _id: rid, avatarETag: result.etag });
+	}, 500);
+};