Method readInboxTill

Telegram/SourceFiles/data/data_histories.cpp:209–245

}

void Histories::readInboxTill(not_null<HistoryItem*> item) {
	const auto history = item->history();
	if (!item->isRegular()) {
		readClientSideMessage(item);
		auto view = item->mainView();
		if (!view) {
			return;
		}
		auto block = view->block();
		auto blockIndex = block->indexInHistory();
		auto itemIndex = view->indexInBlock();
		while (blockIndex > 0 || itemIndex > 0) {
			if (itemIndex > 0) {
				view = block->messages[--itemIndex].get();
			} else {
				while (blockIndex > 0) {
					block = history->blocks[--blockIndex].get();
					itemIndex = block->messages.size();
					if (itemIndex > 0) {
						view = block->messages[--itemIndex].get();
						break;
					}
				}
			}
			item = view->data();
			if (item->isRegular()) {
				break;
			}
		}
		if (!item->isRegular()) {
			LOG(("App Error: "
				"Can't read history till unknown local message."));
			return;
		}
	}
	readInboxTill(history, item->id);
}

void Histories::readInboxTill(not_null<History*> history, MsgId tillId) {
	readInboxTill(history, tillId, false);