publish method

@override Future<void> publish(Map<String, dynamic> item)

Publishes a raw feed item map to the backend.

Implementation

@override
Future<void> publish(Map<String, dynamic> item) async {
  try {
    await _ref.add(item);
  } catch (error) {
    throw Exception('FirebaseActivityFeedSource.publish failed: $error');
  }
}