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/*
Copyright (C) 2002 Rik Hemsley (rikkus) <rik@kde.org>
Copyright (C) 2002 Benjamin Meyer <ben-devel@meyerhome.net>
Copyright (C) 2002 Nadeem Hasan <nhasan@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <kdebug.h>
#include <kstandarddirs.h>
#include <qfile.h>
#include <qdir.h>
#include "cache.h"
#include "config.h"
namespace KCDDB
{
QString
Cache::fileName( const QString &category, const QString &discid, const QString &cacheDir )
{
QDir dir( cacheDir );
if ( !dir.exists( category ) )
dir.mkdir( category );
return cacheDir + "/" + category + "/" + discid;
}
CDInfoList
Cache::lookup( const QString &cddbId )
{
kdDebug(60010) << "Looking up " << cddbId << " in CDDB cache" << endl;
CDInfoList infoList;
Config c;
c.readConfig();
QStringList cddbCacheDirs = c.cacheLocations();
for (QStringList::Iterator cddbCacheDir = cddbCacheDirs.begin();
cddbCacheDir != cddbCacheDirs.end(); ++cddbCacheDir)
{
QDir dir( *cddbCacheDir );
QStringList dirList = dir.entryList( QDir::Dirs );
QStringList::ConstIterator it = dirList.begin();
while ( it != dirList.end() )
{
QString category( *it );
if ( category[ 0 ] != '.' )
{
QFile f( *cddbCacheDir + "/" + category + "/" + cddbId );
if ( f.exists() && f.open(IO_ReadOnly) )
{
QTextStream ts(&f);
ts.setEncoding(QTextStream::UnicodeUTF8);
QString cddbData = ts.read();
f.close();
CDInfo info;
info.load(cddbData);
info.category = category;
infoList.append( info );
}
}
++it;
}
}
return infoList;
}
void
Cache::store(const CDInfoList& list)
{
CDInfoList::ConstIterator it=list.begin();
while (it!=list.end())
{
CDInfo info( *it );
store(info);
++it;
}
}
void
Cache::store(const CDInfo& info)
{
Config c;
c.readConfig();
QString cacheDir = c.cacheLocations().first();
QDir d(cacheDir);
if (!d.exists())
d.mkdir(cacheDir);
// The same entry can contain several discids (separated by a ','),
// so we save the entry to all of them
QStringList discids = QStringList::split(',', info.id);
for (QStringList::Iterator it = discids.begin(); it != discids.end(); ++it)
{
QString cacheFile = fileName(info.category, *it, cacheDir);
kdDebug(60010) << "Storing " << cacheFile << " in CDDB cache" << endl;
QFile f(cacheFile);
if ( f.open(IO_WriteOnly) )
{
QTextStream ts(&f);
ts.setEncoding(QTextStream::UnicodeUTF8);
ts << info.toString();
f.close();
}
}
}
}
// vim:tabstop=2:shiftwidth=2:expandtab:cinoptions=(s,U1,m1
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