Meteor.methods({ toggleFavorite(rid, f) { check(rid, String); check(f, Match.Optional(Boolean)); if (!Meteor.userId()) { throw new Meteor.Error('error-invalid-user', 'Invalid user', { method: 'toggleFavorite' }); } const userSubscription = RocketChat.models.Subscriptions.findOneByRoomIdAndUserId(rid, Meteor.userId()); if (!userSubscription) { throw new Meteor.Error('error-invalid-subscription', 'You must be part of a room to favorite it', { method: 'toggleFavorite' } ); } return RocketChat.models.Subscriptions.setFavoriteByRoomIdAndUserId(rid, Meteor.userId(), f); } });