Function SendBotCallbackData

Telegram/SourceFiles/api/api_bot.cpp:52–172

namespace {

void SendBotCallbackData(
		not_null<Window::SessionController*> controller,
		not_null<HistoryItem*> item,
		int row,
		int column,
		std::optional<Core::CloudPasswordResult> password,
		Fn<void()> done = nullptr,
		Fn<void(const QString &)> handleError = nullptr) {
	if (!item->isRegular()) {
		return;
	}
	const auto history = item->history();
	const auto session = &history->session();
	const auto owner = &history->owner();
	const auto api = &session->api();
	const auto bot = item->getMessageBot();
	const auto fullId = item->fullId();
	const auto getButton = [=] {
		return HistoryMessageMarkupButton::Get(owner, fullId, row, column);
	};
	const auto button = getButton();
	if (!button || button->requestId) {
		return;
	}

	using ButtonType = HistoryMessageMarkupButton::Type;
	const auto isGame = (button->type == ButtonType::Game);

	auto flags = MTPmessages_GetBotCallbackAnswer::Flags(0);
	QByteArray sendData;
	if (isGame) {
		flags |= MTPmessages_GetBotCallbackAnswer::Flag::f_game;
	} else if (button->type == ButtonType::Callback
		|| button->type == ButtonType::CallbackWithPassword) {
		flags |= MTPmessages_GetBotCallbackAnswer::Flag::f_data;
		sendData = button->data;
	}
	const auto withPassword = password.has_value();
	if (withPassword) {
		flags |= MTPmessages_GetBotCallbackAnswer::Flag::f_password;
	}
	const auto weak = base::make_weak(controller);
	const auto show = controller->uiShow();
	button->requestId = api->request(MTPmessages_GetBotCallbackAnswer(
		MTP_flags(flags),
		history->peer->input(),
		MTP_int(item->id),
		MTP_bytes(sendData),
		password ? password->result : MTP_inputCheckPasswordEmpty()
	)).done([=](const MTPmessages_BotCallbackAnswer &result) {
		const auto guard = gsl::finally([&] {
			if (done) {
				done();
			}
		});
		const auto item = owner->message(fullId);
		if (!item) {
			return;