private:
static QString backlogFile();
bool isValidNetwork(UserId user, const NetworkId &networkId);
bool isValidBuffer(const UserId &user, const BufferId &bufferId);
NetworkId getNetworkId(UserId user, const QString &network);
void createBuffer(UserId user, const NetworkId &networkId, BufferInfo::Type type, const QString &buffer);
private:
static QString backlogFile();
bool isValidNetwork(UserId user, const NetworkId &networkId);
bool isValidBuffer(const UserId &user, const BufferId &bufferId);
NetworkId getNetworkId(UserId user, const QString &network);
void createBuffer(UserId user, const NetworkId &networkId, BufferInfo::Type type, const QString &buffer);