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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <cntdef.h>
#include "cntdbinfo.h"
#include "cntfilterdetail.h"
#include <QStringList>
CntDbInfo::CntDbInfo(QContactManagerEngine* engine):
m_engine(engine)
{
QString id("%1.%2");
contactsTableIdColumNameMapping.insert(id.arg(QContactName::DefinitionName, QContactName::FieldFirstName), "first_name");
contactsTableIdColumNameMapping.insert(id.arg(QContactName::DefinitionName, QContactName::FieldLastName), "last_name");
contactsTableIdColumNameMapping.insert(id.arg(QContactOrganization::DefinitionName, QContactOrganization::FieldName), "company_name");
contactsTableIdColumNameMapping.insert(id.arg(QContactName::DefinitionName, QContactName::FieldCustomLabel), "text_fields");
contactsTableIdColumNameMapping.insert(id.arg(QContactFavorite::DefinitionName, QContactFavorite::FieldFavorite), "favorite_index");
commAddrTableIdColumNameMapping.insert(id.arg(QContactOnlineAccount::DefinitionName, QContactOnlineAccount::FieldAccountUri), QPair<int,bool>(ESipAddress,false));
commAddrTableIdColumNameMapping.insert(id.arg(QContactEmailAddress::DefinitionName, QContactEmailAddress::FieldEmailAddress), QPair<int,bool>(EEmailAddress,false));
commAddrTableIdColumNameMapping.insert(id.arg(QContactPhoneNumber::DefinitionName, QContactPhoneNumber::FieldSubTypes), QPair<int,bool>(EPhoneNumber,true));
commAddrExtraInfoMap.insert(id.arg(QContactPhoneNumber::DefinitionName, QContactPhoneNumber::FieldSubTypes), EMobileNumber);
}
CntDbInfo::~CntDbInfo()
{
contactsTableIdColumNameMapping.clear();
commAddrTableIdColumNameMapping.clear();
commAddrExtraInfoMap.clear();
}
bool CntDbInfo::SupportsDetail(QString definitionName, QString fieldName)
{
QString fieldId = QString("%1.%2").arg(definitionName, fieldName);
if (contactsTableIdColumNameMapping.contains(fieldId))
return true;
else if (commAddrTableIdColumNameMapping.contains(fieldId))
return true;
else if(commAddrExtraInfoMap.contains(fieldId))
return true;
else
return false;
}
/*!
* Converts filed id to column name of the database table.
* QContactManager::contacts function.
*
* \a fieldId field id representing the detail field name
* \a sqlDbTableColumnName On return,contains the column name in the database
*/
void CntDbInfo::getDbTableAndColumnName( const QString definitionName,
const QString fieldName,
QString& tableName,
QString& columnName,
bool& isSubType) const
{
//check contacts table
QString fieldId = definitionName + "." + fieldName;
columnName = "";
tableName = "";
isSubType = false;
if (contactsTableIdColumNameMapping.contains(fieldId)){
columnName = contactsTableIdColumNameMapping.value(fieldId);
tableName = "contact";
}
if (columnName.isEmpty() || tableName.isEmpty()) {
//Search comm Addr table
if (commAddrExtraInfoMap.contains(fieldId)){
int extraTypeInfo = commAddrExtraInfoMap.value(fieldId);
columnName += QString(" EXTRA_TYPE_INFO = %1").arg(extraTypeInfo);
columnName += " and" ;
tableName = "comm_addr";
}
if (commAddrTableIdColumNameMapping.contains(fieldId)) {
// communication address table has slightly differnt format, so we make the column name as
// "type = <type> and value "
QPair<int,bool> val = commAddrTableIdColumNameMapping.value(fieldId);
int typeval = val.first;
isSubType = val.second;
columnName += QString(" TYPE = %1").arg(typeval);
columnName += " and value " ;
tableName = "comm_addr";
}
}
}
QString CntDbInfo::getSortQuery( const QList<QContactSortOrder> &sortOrders,
const QString& selectQuery,
QContactManager::Error* error)
{
// Set to initial select query
QString sortQuery = selectQuery;
if(*error == QContactManager::NoError)
{
QStringList list;
QString tempColumn;
QString concatString;
bool blanksLast = true;
QContactSortOrder tempOrder;
foreach(const QContactSortOrder& s, sortOrders ) {
QString tableName;
QString columnName;
bool isSubType;
// Get column names for sort order
getDbTableAndColumnName(s.detailDefinitionName(), s.detailFieldName(), tableName, columnName, isSubType);
if (tableName.compare("contact") != 0 || columnName.isEmpty()) {
// Skip invalid sort clause
continue;
} else {
//
// ORDER BY str_column_1 || str_column_2 || str_column_N COLLATE (comparison function);
//
// The || operator concatenates the strings to avoid wrong orders in cases where
// one of the rows in the colums has a NULL value
//
if (isStringFieldType(s.detailDefinitionName())) {
if ( tempColumn.isEmpty() ) {
// This is the first string. Store sortOrder and
// columnName in temp variable to be used later
tempColumn = columnName;
tempOrder = s;
continue;
} else {
// Check if the previous sort order has the same direction and
// case sensitivity as the current one. If true store the temp
// variables to be used later
if (s.direction() == tempOrder.direction() &&
s.caseSensitivity() == tempOrder.caseSensitivity()
&& s.blankPolicy() == tempOrder.blankPolicy()) {
tempColumn += " || " + columnName;
tempOrder = s;
continue;
} else {
// Its time to break the loop and use the tempColumn string
concatString = tempColumn;
setDirAndCaseSensitivity(tempOrder, tempColumn);
list.append(tempColumn);
tempColumn.clear();
}
}
}
QString col = ' ' + columnName + ' ';
setDirAndCaseSensitivity(s, col);
list.append(col);
}
}
if (!tempColumn.isEmpty()) {
concatString = tempColumn;
setDirAndCaseSensitivity(tempOrder, tempColumn);
list.append(tempColumn);
tempColumn.clear();
}
if (tempOrder.isValid() && tempOrder.blankPolicy() == QContactSortOrder::BlanksFirst)
blanksLast = false;
if (list.count() > 0) {
// Recreate query
// SELECT DISTINCT contact_id FROM contact WHERE contact_id in (
// SELECT ..
// )
sortQuery = "SELECT DISTINCT contact_id FROM contact WHERE contact_id in (";
sortQuery += selectQuery;
sortQuery += ')';
QString clause = list.join(" ,");
// ORDER BY CASE <concatenated string fields> WHEN "" THEN 1 ELSE 0 END, <concatenated string fields & other fields> <order>
if (blanksLast) {
// If concatString is blank, do not evaluate ORDER BY. All unevaluated rows are pushed to the end
sortQuery += " ORDER BY CASE WHEN " + concatString + " = \"\" THEN 1 " + " WHEN " + concatString + " IS NULL THEN 1 ELSE 0 END, " + clause;
} else {
sortQuery += " ORDER BY CASE WHEN " + concatString + " = \"\" THEN 0 " + " WHEN " + concatString + " IS NULL THEN 0 ELSE 1 END, " + clause;
}
}
}
return sortQuery;
}
bool CntDbInfo::isStringFieldType( const QString definitionName )
{
if ( definitionName == QContactOrganization::DefinitionName
|| definitionName == QContactName::DefinitionName )
return true;
else
return false;
}
void CntDbInfo::setDirAndCaseSensitivity(QContactSortOrder s, QString& query)
{
if (s.direction() == Qt::DescendingOrder) {
if (s.caseSensitivity() == Qt::CaseInsensitive)
query += " COLLATE NOCASE DESC";
else
query += " DESC";
} else {
// Default sort order
if(s.caseSensitivity() == Qt::CaseInsensitive)
query += " COLLATE CompareC3";
else
query += " ASC";
}
}
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