Nut/src/databasemodel.h

82 lines
2.6 KiB
C++

/**************************************************************************
**
** This file is part of Nut project.
** https://github.com/HamedMasafi/Nut
**
** Nut is free software: you can redistribute it and/or modify
** it under the terms of the GNU Lesser General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** Nut 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 Lesser General Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public License
** along with Nut. If not, see <http://www.gnu.org/licenses/>.
**
**************************************************************************/
#ifndef DATABASEMODEL_H
#define DATABASEMODEL_H
#include <QtCore/QList>
#include <QtCore/QMap>
#include <QtCore/QString>
#include "defines.h"
class QJsonObject;
NUT_BEGIN_NAMESPACE
class TableModel;
struct RelationModel;
class NUT_EXPORT DatabaseModel : public QList<TableModel *>
{
QString _databaseClassName;
int _version;
static QMap<QString, DatabaseModel *> _models;
public:
DatabaseModel(const QString &name = QString());
DatabaseModel(const DatabaseModel &other);
DatabaseModel(const QJsonObject &json);
~DatabaseModel() = default;
TableModel *tableByName(const QString &tableName) const;
TableModel *tableByClassName(QString className) const;
RelationModel *relationByClassNames(const QString &masterClassName,
const QString &childClassName);
RelationModel *relationByTableNames(const QString &masterClassName,
const QString &childClassName);
bool operator==(const DatabaseModel &other) const;
// DatabaseModel operator +(const DatabaseModel &other);
Q_DECL_DEPRECATED
static DatabaseModel fromJson(QJsonObject &json);
QJsonObject toJson() const;
operator QJsonObject();
int version() const;
void setVersion(int version);
bool remove(const QString &tableName);
//TODO: may be private (called from DatabasePrivate::getCurrectSchema only)
void fixRelations();
static DatabaseModel *modelByName(const QString &name);
static void deleteAllModels();
};
DatabaseModel operator +(const DatabaseModel &l, const DatabaseModel &r);
DatabaseModel operator |(const DatabaseModel &l, const DatabaseModel &r);
NUT_END_NAMESPACE
#endif // DATABASEMODEL_H