/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Description: Manipulate Interface of Internet Radio Database 

*

*/

#ifndef _IRDB_WRAPPER_H_

#define _IRDB_WRAPPER_H_

#include <QList>

#include "irdbexport.h"

#include "irdbviewstruct.h"

class QVariant;

class QSqlQuery;

class IRDB;

class IRDB_DLL_EXPORT IRDBWrapper

{

public:

    IRDBWrapper();

    virtual ~IRDBWrapper();

public:

    /*

    * If all parameters are default, all cid rows in IRDB will return;

    * condAND: condition for search IRDB, it is AND relationship in every pair;

    * condOR: condition for search IRDB, it is OR  relationship in every pair;

    */                       

    QList<uint>* getChannelId(const columnMap* const condAND = NULL,  

                              const columnMap* const condOR  = NULL);

friend class IRDB;

protected:

    /*

    * If all parameters are default, all rows in IRDB will return;

    * condAND: condition for search IRDB, it is AND relationship in every pair;

    * condOR: condition for search IRDB, it is OR  relationship in every pair;

    */                       

    QList<QVariant*>* getIRDB(const columnMap* const condAND = NULL,  

                              const columnMap* const condOR  = NULL);

protected:

    /*

    * create sql condition(where) string according to the input condAND and condAND;

    * condAND:      [direction:in] it is AND relationship in every pair;

    * condOR:       [direction:in] it is OR  relationship in every pair;

    * pArrayColName:[direction:in] array pointer to colName<table>[];

    *               for example:colNameView[],colNameChannelHistory[];

    * condSqlStr:   [direction:out] return the sqlString;  

    */

    void combineCondStr(const columnMap* const condAND,  

                        const columnMap* const condOR,   

                        const QString* pArryColName,

                        QString& condSqlStr);       

    /*

    * create sql insert/update string according to RowData;

    * RowData:      [direction:in] row value of table;

    * pArrayColName:[direction:in] array pointer to colName<table>[];

    *               for example:colNameView[],colNameChannelHistory[];

    * insSqlStr:   [direction:out] return the sqlString; 

    * updSqlStr:   [direction:out] return the sqlString;  

    */                              

    void combinePutStr(const columnMap* const RowData,

                       const QString* pArryColName,

                       QString& insSqlStr, 

                       QString& updSqlStr,

                       const logoMap* const logoData = NULL,

                       QList<QByteArray>* logoArrayList = NULL);

    /*

    * create sql select string according to the input condAND and condOR;

    * condAND:      [direction:in] it is AND relationship in every pair;

    * condOR:       [direction:in] it is OR  relationship in every pair;

    * pArrayColName:[direction:in] array pointer to colName<table>[];

    *               for example:colNameView[],colNameChannelHistory[];

    * sltSqlStr:    [direction:out] return the sqlString;  

    */   

    void combineGetStr(const columnMap* const condAND,

                       const columnMap* const condOR,

                       const QString* pArryColName,

                       QString& sltSqlStr);    

    /*

    * create sql delete string according to the input condAND and condOR;

    * condAND:      [direction:in] it is AND relationship in every pair;

    * condOR:       [direction:in] it is OR  relationship in every pair;

    * pArrayColName:[direction:in] array pointer to colName<table>[];

    *               for example:colNameView[],colNameChannelHistory[];

    * dltSqlStr:    [direction:out] return the sqlString;  

    */  

    void combineDeleteStr(const columnMap* const condAND,

                          const columnMap* const condOR,

                          const QString* pArryColName,

                          QString& dltSqlStr);     

private:

    /*

    * It is called by IRDB instance;

    * IRDB instance delivers rows set(channelId) to IRDBWrapper via this function;

    * the rows set is storaged in m_IRCIDSet; 

    */

    bool loadDataOfChannelIdCB(QSqlQuery& aIRDataSet, QList<uint>* pCIDDataSet);

    /*

    * It is called by IRDB instance;

    * IRDB instance delivers rows set to IRDBWrapper via this function;

    * the rows set is storaged in m_IRDataSet;

    */

    bool loadDataOfIRDBCB(QSqlQuery& aIRDataSet, QList<QVariant*>* pViewDataSet);

    /*

    * it is for the single table;  

    */

    virtual bool getIRTableCB(QSqlQuery& aIRDataSet, QList<QVariant*>* pTableDataSet); 

protected:

    //pointer for IRDB;

    IRDB*              m_pIRDB;    

};

#endif