/***************************************************************************
 *   Copyright (C) 2005-2009 by Rajko Albrecht  ral@alwins-world.de        *
 *   http://kdesvn.alwins-world.de/                                        *
 *                                                                         *
 * This program 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 2.1 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       *
 * Lesser General Public License for more details.                         *
 *                                                                         *
 * You should have received a copy of the GNU Lesser General Public        *
 * License along with this program (in the file LGPL.txt); if not,         *
 * write to the Free Software Foundation, Inc., 51 Franklin St,            *
 * Fifth Floor, Boston, MA  02110-1301  USA                                *
 *                                                                         *
 * This software consists of voluntary contributions made by many          *
 * individuals.  For exact contribution history, see the revision          *
 * history and logs, available at http://kdesvn.alwins-world.de.           *
 ***************************************************************************/
#ifndef LOG_CACHE_H
#define LOG_CACHE_H

#include <QString>
#include <QDir>
#include <QVariant>
#include <QSqlDatabase>

#include "svnqt/svnqt_defines.h"
#include <QScopedPointer>

namespace svn
{
class Path;
namespace cache
{

class LogCacheData;

class SVNQT_EXPORT LogCache
{
private:
    QScopedPointer<LogCacheData> m_CacheData;

protected:
    LogCache();
    static LogCache *mSelf;
    QString m_BasePath;
    void setupCachePath();
    void setupMainDb();
    int databaseVersion()const;
    void databaseVersion(int newversion);

public:
    ///! should used for testing only!
    explicit LogCache(const QString &aBasePath);
    virtual ~LogCache();
    static LogCache *self();
    QSqlDatabase reposDb(const QString &aRepository);
    QStringList cachedRepositories()const;

    bool valid()const;

    QVariant getRepositoryParameter(const svn::Path &repository, const QString &key)const;
    //! set or delete parameter
    /*!
     * if value is invalid the parameter will removed from database
     */
    bool setRepositoryParameter(const svn::Path &repository, const QString &key, const QVariant &value);
    bool deleteRepository(const QString &aRepository);
};
}
}

#endif
