metadatatable.h

#ifndef MP3FILEDB_H
#define MP3FILEDB_H
#include "sqlmdexport.h"

#include "audiometadata.h"

#include <QObject>
#include <QHash>
#include <QStringList>
#include <QSqlQuery>
namespace Abstract {
     class MetaDataLoader;
}

class SQLMDEXPORT MetaDataTable : public QObject
{
    Q_OBJECT
public:

    static MetaDataTable* instance();

    ~MetaDataTable();

    int visit(QString directory);

    bool clearTable();

    QStringList genres() const;

    bool hasMetaData(QString fileName, bool fetch=false, bool refresh=false);

    bool dropMetaData(QString fileName);

    MetaDataValue findRecord(QString fileName);
    
    QSet<QString> allSongs();

    virtual QString tableName() const {return m_tableName;}

protected:
    MetaDataTable(QObject* parent=0) ;
    bool createMetadataTable();
public slots:
    bool insert(const MetaDataValue &mdv);
signals:
    void inserted(MetaDataValue v);
protected:
    // name of table for metadata
    QString m_tableName;
    QString m_driver;
    QString m_createTableQStr;
    QHash<QString, MetaDataValue> m_previous;
    QSqlQuery m_insertQuery;
//    QSqlQuery m_deleteQuery;
    QString m_deleteQuery;
    Abstract::MetaDataLoader *m_mdl;
};


#endif // MP3FILEDB_H