Method processMessagesDeleted

Telegram/SourceFiles/data/data_session.cpp:2991–3023

}

void Session::processMessagesDeleted(
		PeerId peerId,
		const QVector<MTPint> &data) {
	const auto list = messagesList(peerId);
	const auto affected = historyLoaded(peerId);
	if (!list && !affected) {
		return;
	}

	auto toDestroy = std::vector<not_null<HistoryItem*>>();
	auto historiesToCheck = base::flat_set<not_null<History*>>();
	for (const auto &messageId : data) {
		const auto i = list ? list->find(messageId.v) : Messages::iterator();
		if (list && i != list->end()) {
			const auto history = i->second->history();
			toDestroy.push_back(i->second);
			historiesToCheck.emplace(history);
		} else if (affected) {
			affected->unknownMessageDeleted(messageId.v);
		}
	}
	if (!toDestroy.empty()) {
		notifyItemsAboutToBeDestroyed(toDestroy);
		for (const auto &item : toDestroy) {
			item->destroy();
		}
	}
	for (const auto &history : historiesToCheck) {
		if (!history->chatListMessageKnown()) {
			history->requestChatListMessage();
		}
	}
}

void Session::processNonChannelMessagesDeleted(const QVector<MTPint> &data) {
	auto toDestroy = std::vector<not_null<HistoryItem*>>();