forked from blue/squawk
107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
/*
|
|
* <one line to give the program's name and a brief idea of what it does.>
|
|
* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
|
|
*
|
|
* 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef CORE_ARCHIVE_H
|
|
#define CORE_ARCHIVE_H
|
|
|
|
#include <QObject>
|
|
#include "../global.h"
|
|
#include <lmdb.h>
|
|
#include "../exception.h"
|
|
|
|
namespace Core {
|
|
|
|
class Archive : public QObject
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
Archive(const QString& jid, QObject* parent = 0);
|
|
~Archive();
|
|
|
|
void open(const QString& account);
|
|
|
|
void addElement(const Shared::Message& message);
|
|
Shared::Message getElement(const QString& id);
|
|
Shared::Message oldest();
|
|
QString oldestId();
|
|
Shared::Message newest();
|
|
QString newestId();
|
|
void clear();
|
|
long unsigned int size() const;
|
|
|
|
public:
|
|
const QString jid;
|
|
|
|
public:
|
|
class Directory:
|
|
public Utils::Exception
|
|
{
|
|
public:
|
|
Directory(const std::string& p_path):Exception(), path(p_path){}
|
|
|
|
std::string getMessage() const{return "Can't create directory for database at " + path;}
|
|
private:
|
|
std::string path;
|
|
};
|
|
|
|
class Closed:
|
|
public Utils::Exception
|
|
{
|
|
public:
|
|
Closed(const std::string& op, const std::string& acc):Exception(), operation(op), account(acc){}
|
|
|
|
std::string getMessage() const{return "An attempt to perform operation " + operation + " on closed archive for " + account;}
|
|
private:
|
|
std::string operation;
|
|
std::string account;
|
|
};
|
|
|
|
class NotFound:
|
|
public Utils::Exception
|
|
{
|
|
public:
|
|
NotFound(const std::string& k, const std::string& acc):Exception(), key(k), account(acc){}
|
|
|
|
std::string getMessage() const{return "Element for id " + key + " wasn't found in database " + account;}
|
|
private:
|
|
std::string key;
|
|
std::string account;
|
|
};
|
|
|
|
class Empty:
|
|
public Utils::Exception
|
|
{
|
|
public:
|
|
Empty(const std::string& acc):Exception(), account(acc){}
|
|
|
|
std::string getMessage() const{return "An attempt to read ordered elements from database " + account + " but it's empty";}
|
|
private:
|
|
std::string account;
|
|
};
|
|
|
|
private:
|
|
bool opened;
|
|
MDB_env* environment;
|
|
MDB_dbi main;
|
|
MDB_dbi order;
|
|
};
|
|
|
|
}
|
|
|
|
#endif // CORE_ARCHIVE_H
|