Method writeFileLocation

Telegram/SourceFiles/storage/storage_account.cpp:1754–1794

}

void Account::writeFileLocation(MediaKey location, const Core::FileLocation &local) {
	if (local.fname.isEmpty()) {
		return;
	}
	if (!local.inMediaCache()) {
		const auto aliasIt = _fileLocationAliases.constFind(location);
		if (aliasIt != _fileLocationAliases.cend()) {
			location = aliasIt.value();
		}

		const auto i = _fileLocationPairs.find(local.fname);
		if (i != _fileLocationPairs.cend()) {
			if (i.value().second == local) {
				if (i.value().first != location) {
					_fileLocationAliases.insert(location, i.value().first);
					writeLocationsQueued();
				}
				return;
			}
			if (i.value().first != location) {
				for (auto j = _fileLocations.find(i.value().first), e = _fileLocations.end(); (j != e) && (j.key() == i.value().first); ++j) {
					if (j.value() == i.value().second) {
						_fileLocations.erase(j);
						break;
					}
				}
				_fileLocationPairs.erase(i);
			}
		}
		_fileLocationPairs.insert(local.fname, { location, local });
	} else {
		for (auto i = _fileLocations.find(location); (i != _fileLocations.end()) && (i.key() == location);) {
			if (i.value().inMediaCache() || i.value().check()) {
				return;
			}
			i = _fileLocations.erase(i);
		}
	}
	_fileLocations.insert(location, local);
	writeLocationsQueued();
}

void Account::removeFileLocation(MediaKey location) {
	auto i = _fileLocations.find(location);