Method sendVotes

Telegram/SourceFiles/api/api_polls.cpp:330–400

}

void Polls::sendVotes(
		FullMsgId itemId,
		const std::vector<QByteArray> &options) {
	if (_pollVotesRequestIds.contains(itemId)) {
		return;
	}
	const auto item = _session->data().message(itemId);
	const auto media = item ? item->media() : nullptr;
	const auto poll = media ? media->poll() : nullptr;
	if (!item) {
		return;
	}
	const auto peer = item->history()->peer;

	const auto showSending = poll && !options.empty();
	const auto hideSending = [=] {
		if (showSending) {
			if (const auto item = _session->data().message(itemId)) {
				poll->sendingVotes.clear();
				_session->data().requestItemRepaint(item);
			}
		}
	};
	if (showSending) {
		poll->sendingVotes = options;
		_session->data().requestItemRepaint(item);
	} else if (poll && options.empty() && poll->voted()) {
		for (auto &answer : poll->answers) {
			answer.chosen = false;
		}
		++poll->version;
		_session->data().notifyPollUpdateDelayed(poll);
	}

	auto prepared = QVector<MTPbytes>();
	prepared.reserve(options.size());
	ranges::transform(
		options,
		ranges::back_inserter(prepared),
		[](const QByteArray &option) { return MTP_bytes(option); });
	const auto requestId = _api.request(MTPmessages_SendVote(
		peer->input(),
		MTP_int(item->id),
		MTP_vector<MTPbytes>(prepared)
	)).done([=](const MTPUpdates &result) {
		_pollVotesRequestIds.erase(itemId);
		hideSending();
		if (poll) {
			if (poll->voteRestriction() != PollData::VoteRestriction::None) {
				poll->setVoteRestriction(PollData::VoteRestriction::None);
				_session->data().notifyPollUpdateDelayed(poll);
			}
		}
		_session->updates().applyUpdates(result);
	}).fail([=](const MTP::Error &error) {
		_pollVotesRequestIds.erase(itemId);
		hideSending();
		if (poll) {