/*

* Copyright (c) 2007 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.

*

* Contributors:

*

* Description:  This class handles columns.

*

*/

#include <centralrepository.h>

//XMPP includes

//#include "// GFLOGger.h"

#include "xmppsettingscolumn.h"

#include "xmppsettingsapicommon.h"

// ======== MEMBER FUNCTIONS ========

CXmppSettingsColumn::CXmppSettingsColumn(

    CRepository& aRepository ):

    iRepository( aRepository )

    {

    }

void CXmppSettingsColumn::ConstructL()

    {

    }

CXmppSettingsColumn* CXmppSettingsColumn::NewL(

    CRepository& aRepository )

    {

    CXmppSettingsColumn* self = CXmppSettingsColumn::NewLC( aRepository );

    CleanupStack::Pop( self );

    return self;

    }

CXmppSettingsColumn* CXmppSettingsColumn::NewLC(

    CRepository& aRepository )

    {

    CXmppSettingsColumn* self

        = new( ELeave ) CXmppSettingsColumn( aRepository );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

CXmppSettingsColumn::~CXmppSettingsColumn()

    {

    }

// ---------------------------------------------------------------------------

// Checks does given column exist. If not, it creates new entry.

// ---------------------------------------------------------------------------

//

void CXmppSettingsColumn::GetColumnKeyL(

    const TDesC& aAttrName,

    TBool aCreateColumnIfNotExist,

    TUint32& aColKey )

    {

    TRAPD( error, FindByNameL( aAttrName,

                               aColKey ) );

    // LOGERR("CXmppSettingsColumn::GetColumnKeyL - error: %d",error);

    // Column was not found, but user want's to create new one.

    if ( error == KErrNotFound  && aCreateColumnIfNotExist )

        {

       // GFLOG1("CXmppSettingsColumn::GetColumnKeyL - column is not found => Create new");

        //create new

        TUint32 newColKey( 0 );

        NextFreeSlotL( newColKey );

       // GFLOG2("CXmppSettingsColumn::GetColumnKeyL - newColKey: 0x%08x",newColKey);

        // Set column name to COLUMN-table.

        User::LeaveIfError( iRepository.Create( newColKey, aAttrName ) );

        aColKey = newColKey;

        }

    // Column was not found, but user does not want to create new.

    else if( error == KErrNotFound  && !aCreateColumnIfNotExist )

        {

       // GFLOG1("CXmppSettingsColumn::GetColumnKeyL - column is not found => New not wanted - leaving");

        User::Leave( KErrNotFound );

        }

    // other error occured -> Leave.

    else if ( error != KErrNone )

        {

       // GFLOG1("CXmppSettingsColumn::GetColumnKeyL - error occured - leaving");

        User::Leave( error );

        }

    // Col found.

    else

        {

        // Everything ok.

        }

    }

// ---------------------------------------------------------------------------

// Tries to find a column key by searching with the column name.

// ---------------------------------------------------------------------------

//

void CXmppSettingsColumn::FindByNameL(

    const TDesC& aColumnName,

    TUint32& aColumnKey )

    {

    RArray<TUint32> keys;

    CleanupClosePushL( keys );

    TInt error( KErrNone );

    error = iRepository.FindEqL( KXmppKeyColumnTable,

                                 KXmppMaskColumns,

                                 aColumnName,

                                 keys );

    // LOGERR("CXmppSettingsColumn::FindByNameL - error: %d", error);

    User::LeaveIfError ( error );

   // GFLOG1("CXmppSettingsColumn::FindByColumnName - column found.");

    aColumnKey = keys[0];

//    DEBUG_BLOCK( 

    if ( keys.Count() > 1 )

                    {

                    // this should not happen. if it does, it is bug in somewhere in this component.

                   // GFLOG1("CXmppSettingsColumn::FindByColumnName - WHAAAAT! TO MANY RESULTS -> LEAVE!");

                    User::Leave( KErrGeneral );

                    }

 //               );

    CleanupStack::PopAndDestroy( &keys );

    }

// PRIVATE METHODS

// ---------------------------------------------------------------------------

// Returns the next free setting slot.

// ---------------------------------------------------------------------------

//

void CXmppSettingsColumn::NextFreeSlotL(

    TUint32& aColKey )

    {

    RArray<TUint32> results;

    CleanupClosePushL( results );

    // First, find all rows and get count.

    TInt error = iRepository.FindL( KXmppKeyColumnTable,

                                    KXmppMaskColumns,

                                    results );

    TInt count = results.Count();

   // GFLOG2("CXmppSettingsColumn::NextFreeSlotL - count: %d",count);

    CleanupStack::PopAndDestroy( &results );

    if ( count > 0 )

        {

        // Count can be used as new key

        aColKey = count;

        }

    else

        {

        // First column ever

        aColKey = 0;

        }

   // GFLOG2("CXmppSettingsColumn::NextFreeSlotL - aColKey: 0x%08x",aColKey);

    }