/*

* 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.

*

* Contributors:

*

* Description:

*

*/

#include "presencecachebuddyidcreatorprivate.h"

#include <CVPbkContactIdConverter.h>

#include <CVPbkContactStoreUriArray.h>

#include <VPbkContactStoreUris.h>

#include <MVPbkContactStore.h>

#include <TVPbkContactStoreUriPtr.h>

#include <CVPbkContactManager.h>

#include <MVPbkContactStoreList.h>

#include <MVPbkContactStore.h>

#include <MVPbkContactLinkArray.h>

#include <cntdef.h>

_LIT( KServiceIdentifier, "ContactStatusService:" );

CPresenceCacheBuddyIdCreatorPrivate* CPresenceCacheBuddyIdCreatorPrivate::NewL( 

        CVPbkContactManager* aContactManager )

    {

    CPresenceCacheBuddyIdCreatorPrivate* self =

            new (ELeave) CPresenceCacheBuddyIdCreatorPrivate( aContactManager );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

inline CPresenceCacheBuddyIdCreatorPrivate::CPresenceCacheBuddyIdCreatorPrivate( 

        CVPbkContactManager* aContactManager )

: iContactManager( aContactManager )

    {

    }

inline void CPresenceCacheBuddyIdCreatorPrivate::ConstructL()

    {

    if( !iContactManager )

        {

        CVPbkContactStoreUriArray* uriList = CVPbkContactStoreUriArray::NewLC();

        uriList->AppendL( TVPbkContactStoreUriPtr( 

                VPbkContactStoreUris::DefaultCntDbUri() ) );

        iContactManager = CVPbkContactManager::NewL( *uriList );

        CleanupStack::PopAndDestroy( uriList );

        iOwnContactManager = ETrue;

        }

    MVPbkContactStore* store = iContactManager->ContactStoresL().

            Find( VPbkContactStoreUris::DefaultCntDbUri() );

    iConverter = CVPbkContactIdConverter::NewL( *store );

    }

CPresenceCacheBuddyIdCreatorPrivate::~CPresenceCacheBuddyIdCreatorPrivate()

    {

    delete iConverter;

    if( iOwnContactManager )

        {

        delete iContactManager;

        }

    }

HBufC* CPresenceCacheBuddyIdCreatorPrivate::CreateBuddyIdLC( 

        const TDesC8& aContactLink )

    {

    MVPbkContactLinkArray* linkList = 

            iContactManager->CreateLinksLC( aContactLink );

    TInt32 id = KNullContactId;

    if( linkList->Count() > 0 )

        {

        const MVPbkContactLink& link = linkList->At( 0 );

        id = iConverter->LinkToIdentifier( link );

        }

    CleanupStack::PopAndDestroy();  // linkList

    HBufC* buddyId = NULL;

    if( KNullContactId == id )

        {

        // incorrect aContactLink

        //  -> can't create identifier 

        User::Leave( KErrArgument );

        }

    else

        {

        // generate presence identity from contact id in format 

        // "[ServiceName]:[contact id]"

        //

        TBuf<11> num; // enough space to hold 32bit number

        num.Num( id );

        buddyId = HBufC::NewLC( num.Length() + KServiceIdentifier().Length() );

        TPtr retPtr( buddyId->Des() );

        retPtr.Copy( KServiceIdentifier );

        retPtr.Append( num );

        }

    return buddyId;

    }