build method

Implementation

@override
Future<List<NewsEntry>> build() async {
  final client = ref.watch(alwaysClientProvider);
  _listener = client.subscribeStream('news'); // keep it resident in memory
  _poller = _listener.listen(
    (data) async {
      _log.info('news subscribe received');
      state = await AsyncValue.guard(_fetchNews);
    },
    onError: (e, s) {
      _log.severe('stream errored', e, s);
    },
    onDone: () {
      _log.info('stream ended');
    },
  );
  ref.onDispose(() => _poller.cancel());
  return await _fetchNews();
}