Slimline fork of https://github.com/SpectrumIM/spectrum2, with lots of things cleaned up and improved
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/**
* libtransport -- C++ library for easy XMPP Transports development
*
* Copyright (C) 2011, Jan Kaluza <hanzz.k@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#pragma once
#ifdef WITH_PQXX
#include <map>
#include <pqxx/pqxx>
#include <string>
#include "Swiften/Elements/Delay.h"
#include "transport/Config.h"
#include "transport/StorageBackend.h"
namespace Transport {
/// Used to store transport data into SQLite3 database.
class PQXXBackend : public StorageBackend {
public:
/// Creates new PQXXBackend instance.
/// \param config cofiguration, this class uses following Config values:
/// - database.database - path to SQLite3 database file, database file is
/// created automatically
/// - service.prefix - prefix for tables created by createDatabase method
PQXXBackend(Config *config);
/// Destructor.
~PQXXBackend();
/// Connects to the database and creates it if it's needed. This method call
/// createDatabase() function automatically. \return true if database is
/// opened successfully.
bool connect();
void disconnect();
/// Creates database structure.
/// \see connect()
/// \return true if database structure has been created successfully. Note
/// that it returns True also if database structure already exists.
bool createDatabase();
/// Stores user into database.
/// \param user user struct containing all information about user which have
/// to be stored
void setUser(const UserInfo &user);
/// Gets user data from database and stores them into user reference.
/// \param barejid barejid of user
/// \param user UserInfo object where user data will be stored
/// \return true if user has been found in database
bool getUser(const std::string &barejid, UserInfo &user);
/// Changes users online state variable in database.
/// \param id id of user - UserInfo.id
/// \param online online state
void setUserOnline(long id, bool online);
/// Removes user and all connected data from database.
/// \param id id of user - UserInfo.id
/// \return true if user has been found in database and removed
bool removeUser(long id);
/// Returns JIDs of all buddies in user's roster.
/// \param id id of user - UserInfo.id
/// \param roster string list used to store user's roster
/// \return true if user has been found in database and roster has been
/// fetched
bool getBuddies(long id, std::list<BuddyInfo> &roster);
bool getOnlineUsers(std::vector<std::string> &users);
bool getUsers(std::vector<std::string> &users);
long addBuddy(long userId, const BuddyInfo &buddyInfo);
void updateBuddy(long userId, const BuddyInfo &buddyInfo);
void removeBuddy(long id) {
}
void getBuddySetting(long userId, long buddyId, const std::string &variable, int &type, std::string &value) {
}
void updateBuddySetting(long userId, long buddyId, const std::string &variable, int type,
const std::string &value) {
}
void getUserSetting(long userId, const std::string &variable, int &type, std::string &value);
void updateUserSetting(long userId, const std::string &variable, const std::string &value);
void addMucName(long userId, const std::string &mucId, const std::string &mucName);
std::string getMucName(long userId, const std::string &mucId);
void storeMUCHistory(long userid, const std::string &mucId, const Swift::Message &message);
void beginTransaction();
void commitTransaction();
private:
bool exec(const std::string &query, bool show_error = true);
bool exec(pqxx::nontransaction &txn, const std::string &query, bool show_error = true);
template <typename T> std::string quote(pqxx::nontransaction &txn, const T &t);
Config *m_config;
std::string m_prefix;
pqxx::connection *m_conn;
};
} // namespace Transport
#endif