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restore.cpp
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/* This file is part of the KDE project
Copyright (C) 2008 Omat Holding B.V. <info@omat.nl>
This program 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 2 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "restore.h"
#include <KDebug>
#include <KProcess>
#include <KStandardDirs>
#include <KTempDir>
#include <KUrl>
#include <QDir>
#include <kio/netaccess.h>
#include <akonadi/private/xdgbasedirs_p.h>
using namespace Akonadi;
/**
* Use this class to restore a backup. possible() will tell you if all
* apps needed for the restore are available. Don't proceed without them.
* After that call restore() to get it running. Please make sure the parameter
* has the tgz extension.
*/
Restore::Restore( QWidget *parent ) : QWidget( parent )
{
}
bool Restore::possible()
{
const QString mysql = KStandardDirs::findExe( "mysql" );
const QString bzip2 = KStandardDirs::findExe( "bzip2" );
const QString tar = KStandardDirs::findExe( "tar" );
kDebug() << "mysql:" << mysql << "bzip2:" << bzip2 << "tar:" << tar;
return !mysql.isEmpty() && !bzip2.isEmpty() && !tar.isEmpty();
}
void Restore::restore( const KUrl& filename )
{
if ( filename.isEmpty() ) {
emit completed( false );
return;
}
const QString sep = QDir::separator();
/* first create the temp folder. */
KTempDir *tempDir = new KTempDir( KStandardDirs::locateLocal( "tmp", "akonadi" ) );
tempDir->setAutoRemove( false );
kDebug() << "Temp dir: "<< tempDir->name();
/* Extract the nice tar file. */
KProcess *proc = new KProcess( this );
QStringList params;
params << "-C" << tempDir->name();
params << "-xjf";
params << filename.path();
proc->setWorkingDirectory( tempDir->name() );
proc->setProgram( KStandardDirs::findExe( "tar" ), params );
int result = proc->execute();
delete proc;
if ( result != 0 ) {
kWarning() << "Executed:" << KStandardDirs::findExe( "tar" ) << params << " Result: " << result;
tempDir->unlink();
delete tempDir;
emit completed( false );
return;
}
/* Copy over the KDE configuration files. */
QDir dir( tempDir->name() + "kdeconfig" + sep );
dir.setFilter( QDir::Files | QDir::Hidden | QDir::NoSymLinks );
QFileInfoList list = dir.entryInfoList();
for ( int i = 0; i < list.size(); ++i ) {
QFileInfo fileInfo = list.at( i );
const QString source = fileInfo.absoluteFilePath();
const QString dest = KStandardDirs::locateLocal( "config", fileInfo.fileName() );
kDebug() << "Restoring: " << source << "to:" << dest;
KIO::NetAccess::file_copy( source, dest, this );
}
/* Copy over the Akonadi configuration files. */
const QString akonadiconfigfolder = XdgBaseDirs::findResourceDir( "config", "akonadi" );
dir.setPath( tempDir->name() + "akonadiconfig" + sep );
dir.setFilter( QDir::Files | QDir::Hidden | QDir::NoSymLinks );
list = dir.entryInfoList();
for ( int i = 0; i < list.size(); ++i ) {
QFileInfo fileInfo = list.at( i );
const QString source = fileInfo.absoluteFilePath();
const QString dest = akonadiconfigfolder + sep + fileInfo.fileName();
kDebug() << "Restoring: " << source << "to:" << dest;
KIO::NetAccess::file_copy( source, dest, this );
}
/* Restore the database */
const QString socket = XdgBaseDirs::findResourceDir( "data",
"akonadi" + sep + "db_misc" + sep ) + "mysql.socket";
if ( socket.isEmpty() )
kFatal() << "No socket found";
proc = new KProcess( this );
params.clear();
params << "--socket=" + socket << "akonadi";
proc->setStandardInputFile( tempDir->name() + "db" + sep + "database.sql" );
proc->setProgram( KStandardDirs::findExe( "mysql" ), params );
result = proc->execute();
delete proc;
if ( result != 0 ) {
kWarning() << "Executed:" << KStandardDirs::findExe( "mysql" ) << params << " Result: " << result;
tempDir->unlink();
delete tempDir;
emit completed( false );
return;
}
tempDir->unlink();
delete tempDir;
emit completed( true );
}
#include "restore.moc"

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