onSignOutHandler method

Future<void> onSignOutHandler(
  1. UserModel? user
)

Unsubscribes from all cloud notifications when a user signs out.

Implementation

Future<void> onSignOutHandler(UserModel? user) async {
  if (user?.uid != null) {
    updateTopicSubscription(user!.uid!, enabled: false);
  }
  updateTopicSubscription('allUsers', enabled: false);
}