addEntity method

@override Future<ChatEntity> addEntity(String documentID, ChatEntity value)

Implementation

@override
Future<ChatEntity> addEntity(String documentID, ChatEntity value) {
  return chatCollection
      .doc(documentID)
      .set(value.toDocument())
      .then((_) => value)
      .then((v) async {
    var newValue = await getEntity(documentID);
    if (newValue == null) {
      return value;
    } else {
      return newValue;
    }
  });
}