database_manager.h

/*
 * <one line to give the program's name and a brief idea of what it does.>
 * Copyright (C) 2023  Jose F Rivas C <email>
 * 
 * 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 NAF_QUERY_DATABASE_MANAGER
#define NAF_QUERY_DATABASE_MANAGER
 
 
#include <iostream>
#include <memory>
#include <string>
#include <mutex>
 
#include "Poco/Exception.h"
#include "Poco/Data/Session.h"
#include "Poco/Data/MySQL/Connector.h"
#include <Poco/Data/MySQL/MySQLException.h>
#include <Poco/Data/Statement.h>
 
 
namespace NAF
{
    namespace Query
    {
        class DatabaseManager;
    }
}
 
using namespace Poco;
using namespace Poco::Data;
using namespace Poco::Data::Keywords;
 
class NAF::Query::DatabaseManager
{
    public:
        struct Credentials
        {
            Credentials() :
                db_host("")
                ,db_port("")
                ,db_name("")
                ,db_user("")
                ,db_password("")
            {
 
            }
            Credentials(std::string db_host, std::string db_port, std::string db_name, std::string db_user, std::string db_password) :
                db_host(db_host)
                ,db_port(db_port)
                ,db_name(db_name)
                ,db_user(db_user)
                ,db_password(db_password)
            {
 
            }
            void Replace_(Credentials& credentials)
            {
                db_host = credentials.db_host;
                db_port = credentials.db_port;
                db_name = credentials.db_name;
                db_user = credentials.db_user;
                db_password = credentials.db_password;
            }
 
            std::string db_host, db_port, db_name, db_user, db_password;
        };
 
        DatabaseManager();
        ~DatabaseManager();
 
        static void StartMySQL_();
        static void StopMySQL_();
        static std::shared_ptr<Data::Session> StartSessionMySQL_(Credentials& credentials);
 
    private:
        static bool initialized_;
 
};
 
#endif // NAF_QUERY_DATABASE_MANAGER