#ifndef WORKFORDB_H
#define WORKFORDB_H

#include <QObject>
#include "databasesql.h"

class WorkForDB : public QObject
{
	Q_OBJECT

public:
	WorkForDB(QObject *parent = 0){ m_pDb = NULL; };
	~WorkForDB(){};
	void setDB(DataBaseSql* pDB){ m_pDb = pDB; };
public slots:
	void doWork(const QString& strTime, const int &ncount)
	{
		QString str;
		if (m_pDb){
			m_pDb->DelDatasByTime(strTime);
			m_pDb->DelWarnDataByCount(1, ncount);
			m_pDb->DelWarnDataByCount(4, ncount);
		}
		emit resultReady(str);
	};
private:
	class DataBaseSql *m_pDb;
signals:
	void resultReady(QString str);
};

#endif // WORKFORDB_H