loadNext method Null safety
override
Load next items asynchronously
Implementation
@override
Future<List<User>> loadNext() async {
if (loading) throw QueryInProgressError();
if (!hasNext) return [];
loading = true;
final sdk = SendbirdSdk().getInternal();
final res = await sdk.api.send<PollVoterListQueryResponse>(
PollOptionGetListVotersRequest(
channelType: params.channelType,
channelUrl: params.channelUrl,
pollId: params.pollId,
pollOptionId: params.pollOptionId,
token: token,
limit: limit,
),
);
loading = false;
token = res.next;
hasNext = res.next != '';
return res.voters;
}