ClockViewModel.kt

val errors = errorChannel.asFlow().handleErrors()

private fun Flow<Throwable>.handleErrors(): Flow<Throwable> = flow {
    distinctUntilChanged().collect {
        if (it is ZenModeApi.AccessDeniedException) {
            navigationChannel.send(ClockNavDirection.AskDndPermission)
        } else {
            emit(it)
        }
    }
}