qtcontactsmobility/plugins/contacts/symbian/src/filtering/cntfilterunion.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 27 May 2010 12:45:19 +0300
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permissions -rw-r--r--
Revision: 201019 Kit: 2010121
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "cntfilterunion.h"
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#include "cntfilterdetail.h"
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#include "cntfilterdefault.h"
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#include "cntfilterrelationship.h"
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#include "cntfilterintersection.h"
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#include "cnttransformcontact.h"
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CntFilterUnion::CntFilterUnion(CContactDatabase& contactDatabase,CntSymbianSrvConnection &cntServer,CntDbInfo& dbInfo) : 
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                    m_contactdatabase(contactDatabase),
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                    m_srvConnection(cntServer),
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                    m_dbInfo(dbInfo)
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{
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}
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CntFilterUnion::~CntFilterUnion()
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{
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}
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QList<QContactLocalId> CntFilterUnion::contacts(const QContactFilter &filter,
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                                                const QList<QContactSortOrder> &sortOrders,
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                                                bool &filterSupportedflag,
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                                                QContactManager::Error* error)
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{
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    Q_UNUSED(sortOrders);
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    Q_UNUSED(filterSupportedflag);
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    //Check if any invalid filter is passed 
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    if (!filterSupported(filter)) {
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        *error = QContactManager::NotSupportedError;
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        return QList<QContactLocalId>();
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    }
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    QList<QContactLocalId> idList;
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    QString sqlQuery;
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    createSelectQuery(filter,sqlQuery,error);
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    QString sortQuery = m_dbInfo.getSortQuery(sortOrders, sqlQuery, error);
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    //fetch the contacts
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    if (*error == QContactManager::NoError) {
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     idList =  m_srvConnection.searchContacts(sortQuery, error);
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    }
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    return idList;
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}
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bool CntFilterUnion::filterSupported(const QContactFilter& filter) 
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{
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    bool result = false;
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    if (QContactFilter::UnionFilter == filter.type()) {
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     result = true;
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    }
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    return result;
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}
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void CntFilterUnion::createSelectQuery(const QContactFilter& filter,
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                                       QString& selectquery,
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                                       QContactManager::Error* error)
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{
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    const QContactUnionFilter& unionfilter = static_cast<const QContactUnionFilter&>(filter);
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    if (!filterSupported(filter)) {
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        *error = QContactManager::NotSupportedError;
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        return;
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    }
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    QList<QContactFilter> individualFilters = unionfilter.filters();
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    //QString selectquery;
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    int fltrcnt =  individualFilters.count();          
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    if (fltrcnt)
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        getSelectQueryforFilter(individualFilters[0],selectquery,error);
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    for (int i=1; i< fltrcnt ; i++) {
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        QString query;
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        getSelectQueryforFilter(individualFilters[i],query,error);
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        if (*error == QContactManager::NoError ) {
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            selectquery.append(" UNION ");
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            selectquery += query;
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        }
37
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    }
25
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}
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   121
37
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void CntFilterUnion::getSelectQueryforFilter(const QContactFilter& filter,
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                                             QString& sqlSelectQuery,
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   124
                                             QContactManager::Error* error)
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{
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    switch (filter.type()) {
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        case QContactFilter::DefaultFilter: {
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            CntFilterDefault defaultfltr(m_contactdatabase,m_srvConnection,m_dbInfo);
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            defaultfltr.createSelectQuery(filter,sqlSelectQuery,error);
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            break;
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        }
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        case QContactFilter::ContactDetailFilter: {
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            QContactDetailFilter detailfilter(filter);
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            if (detailfilter.detailDefinitionName() == QContactPhoneNumber::DefinitionName ) {
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                CntFilterDetail dtlfltr(m_contactdatabase,m_srvConnection,m_dbInfo);
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                dtlfltr.createMatchPhoneNumberQuery(filter,sqlSelectQuery,error);
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   137
            }
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   138
            else {
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                CntFilterDetail dtlfltr(m_contactdatabase,m_srvConnection,m_dbInfo);
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                dtlfltr.createSelectQuery(filter,sqlSelectQuery,error);
25
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            }
37
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   142
            break;
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   143
        }
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        case QContactFilter::RelationshipFilter: {
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   145
            CntFilterRelationship relationfltr(m_contactdatabase,m_srvConnection,m_dbInfo);
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   146
            relationfltr.createSelectQuery(filter,sqlSelectQuery,error);
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   147
            break;
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   148
        }
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   149
        case QContactFilter::IntersectionFilter: {
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   150
            sqlSelectQuery += "SELECT DISTINCT contact_id FROM (";
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   151
            CntFilterIntersection intersectionfltr(m_contactdatabase,m_srvConnection,m_dbInfo);
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   152
            intersectionfltr.createSelectQuery(filter,sqlSelectQuery,error);
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   153
            sqlSelectQuery += ')';
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   154
            break;
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   155
        }
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   156
        case QContactFilter::UnionFilter: {
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   157
            sqlSelectQuery += "SELECT DISTINCT contact_id FROM (";
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   158
            CntFilterUnion unionfltr(m_contactdatabase,m_srvConnection,m_dbInfo);
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   159
            unionfltr.createSelectQuery(filter,sqlSelectQuery,error);
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   160
            sqlSelectQuery += ')';
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   161
            break;
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   162
        }
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   163
        default: {
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   164
            *error = QContactManager::NotSupportedError;
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   165
            break;
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   166
        }
25
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   167
    }
37
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diff changeset
   168
}
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diff changeset
   169