/*
 *  Copyright (C) 2013-2015 Ofer Kashayov <oferkv@live.com>
 *  This file is part of Phototonic Image Viewer.
 *
 *  Phototonic 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.
 *
 *  Phototonic 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 Phototonic.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef MDCACHE_H
#define MDCACHE_H

#include <QtWidgets>

class ImageMetadata
{
public:
	QSet<QString> tags;
	int orientation;
};

class MetadataCache
{

private:
	QMap<QString, ImageMetadata> imageTagsCache;

public:
	void updateImageTags(QString &imageFileName, QSet<QString> tags);
	void addTagToImage(QString &imageFileName, QString &tagName);
	bool removeTagFromImage(QString &imageFileName, const QString &tagName);
	void removeImage(QString &imageFileName);
	QSet<QString> &getImageTags(QString &imageFileName);
	void setImageTags(const QString &imageFileName, QSet<QString> tags);
	void clear();
	bool loadImageMetadata(const QString &imageFullPath);
	int getImageOrientation(QString &imageFileName);

};

#endif // MDCACHE_H

