/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "cntfilterunion.h"
#include "cntfilterdetail.h"
#include "cntfilterdefault.h"
#include "cntfilterintersection.h"
#include "cnttransformcontact.h"
#include "qcontactunionfilter.h"
CntFilterUnion::CntFilterUnion(CContactDatabase& contactDatabase,CntSymbianSrvConnection &cntServer,CntDbInfo& dbInfo) :
m_contactdatabase(contactDatabase),
m_srvConnection(cntServer),
m_dbInfo(dbInfo)
{
}
CntFilterUnion::~CntFilterUnion()
{
}
QList<QContactLocalId> CntFilterUnion::contacts(
const QContactFilter &filter,
const QList<QContactSortOrder> &sortOrders,
bool &filterSupportedflag,
QContactManager::Error &error)
{
Q_UNUSED(sortOrders);
Q_UNUSED(filterSupportedflag);
//Check if any invalid filter is passed
if(!filterSupported(filter))
{
error = QContactManager::NotSupportedError;
return QList<QContactLocalId>();
}
QList<QContactLocalId> idList;
QString sqlQuery;
this->createSelectQuery( filter,sqlQuery,error) ;
//fetch the contacts
if(error == QContactManager::NoError )
{
idList = m_srvConnection.searchContacts(sqlQuery, error);
}
return idList;
}
bool CntFilterUnion::filterSupported(const QContactFilter& filter)
{
bool result = false;
if(QContactFilter::UnionFilter == filter.type())
{
result = true;
}
return result;
}
void CntFilterUnion::createSelectQuery(const QContactFilter& filter,
QString& selectquery,
QContactManager::Error& error)
{
const QContactUnionFilter& unionfilter = static_cast<const QContactUnionFilter&>(filter);
if(!filterSupported(filter))
{
error = QContactManager::NotSupportedError;
return;
}
QList<QContactFilter> individualFilters = unionfilter.filters();
//QString selectquery;
int fltrcnt = individualFilters.count();
if(fltrcnt)
getSelectQueryforFilter(individualFilters[0],selectquery,error);
for(int i=1; i< fltrcnt ; i++)
{
QString query;
getSelectQueryforFilter(individualFilters[i],query,error);
if(error == QContactManager::NoError )
{
selectquery.append(" UNION ");
selectquery += query;
}
}
}
void CntFilterUnion::getSelectQueryforFilter(const QContactFilter& filter,QString& sqlSelectQuery,QContactManager::Error& error)
{
switch(filter.type())
{
case QContactFilter::DefaultFilter:
{
CntFilterDefault defaultfltr(m_contactdatabase,m_srvConnection,m_dbInfo);
defaultfltr.createSelectQuery(filter,sqlSelectQuery,error);
break;
}
case QContactFilter::ContactDetailFilter:
{
QContactDetailFilter detailfilter(filter);
if(detailfilter.detailDefinitionName() == QContactPhoneNumber::DefinitionName )
{
error=QContactManager::NotSupportedError;
}
else
{
CntFilterDetail dtlfltr(m_contactdatabase,m_srvConnection,m_dbInfo);
dtlfltr.createSelectQuery(filter,sqlSelectQuery,error);
}
break;
}
case QContactFilter::IntersectionFilter:
{
sqlSelectQuery += "SELECT DISTINCT contact_id FROM (";
CntFilterIntersection intersectionfltr(m_contactdatabase,m_srvConnection,m_dbInfo);
intersectionfltr.createSelectQuery(filter,sqlSelectQuery,error);
sqlSelectQuery += ")";
break;
}
case QContactFilter::UnionFilter:
{
sqlSelectQuery += "SELECT DISTINCT contact_id FROM (";
CntFilterUnion unionfltr(m_contactdatabase,m_srvConnection,m_dbInfo);
unionfltr.createSelectQuery(filter,sqlSelectQuery,error);
sqlSelectQuery += ")";
break;
}
default:
{
error = QContactManager::NotSupportedError;
break;
}
}
}