/*

* Copyright (c) 2004 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:  Datatype for Rights Constraint

*

*/

// INCLUDE FILES

#include <s32file.h>

#include <s32std.h>

#include <caf/caf.h>

#include "DRMContextDB.h"

#include "DRMRIContext.h"

#include "DRMDomainContext.h"

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES  

// CONSTANTS

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// ============================= LOCAL FUNCTIONS ===============================

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

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

// CDRMContextDB::NewLC

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

//

CDRMContextDB* CDRMContextDB::NewLC( const TFileName& aRightsIssuerContextFile, 

                                     const TFileName& aDomainContextFile,

                                     RFs& aFileServer )

    {

    CDRMContextDB* self = new( ELeave ) CDRMContextDB( aFileServer );

    CleanupStack::PushL( self );

    self->ConstructL( aRightsIssuerContextFile, 

                      aDomainContextFile );

    return self;    

    };

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

// CDRMContextDB::NewL

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

//

CDRMContextDB* CDRMContextDB::NewL( const TFileName& aRightsIssuerContextFile, 

                                    const TFileName& aDomainContextFile,

                                    RFs& aFileServer )

    {

    CDRMContextDB* self = NewLC( aRightsIssuerContextFile, 

                                 aDomainContextFile,  

                                 aFileServer );

    CleanupStack::Pop();	

    return self;    

    };

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

// CDRMContextDB::OpenLC

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

//

CDRMContextDB* CDRMContextDB::OpenLC( const TFileName& aRightsIssuerContextFile, 

                                      const TFileName& aDomainContextFile,

                                      RFs& aFileServer )

    {

    CDRMContextDB* self = new( ELeave ) CDRMContextDB( aFileServer );

    CleanupStack::PushL( self );    

    self->ConstructL( aRightsIssuerContextFile, 

                      aDomainContextFile );

    return self;

    };    

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

// CDRMContextDB::OpenL

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

//

CDRMContextDB* CDRMContextDB::OpenL( const TFileName& aRightsIssuerContextFile, 

                                     const TFileName& aDomainContextFile,

                                     RFs& aFileServer )

    {

    CDRMContextDB* self = OpenLC( aRightsIssuerContextFile, 

                                  aDomainContextFile,  

                                  aFileServer );

    CleanupStack::Pop();

    return self;    

    };    

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

// Destructor

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

// 

CDRMContextDB::~CDRMContextDB()

    {

    // Permanent File Store

    if( iDomainStore )

        {

        delete iDomainStore;

        iDomainStore = NULL;

        }

    // Permanent File Store

    if( iRightsIssuerStore )

        {

        delete iRightsIssuerStore;

        iRightsIssuerStore = NULL;

        }

    // index array    

    iDomainArray.Close();

    // index array

    iRightsIssuerArray.Close();

    }; 

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

// CDRMContextDB::StoreDomainContextL

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

//

void CDRMContextDB::StoreDomainContextL( const CDRMDomainContext& aContext )

    {

    TStreamId rootId;

    RStoreWriteStream stream;

    RStoreWriteStream rootStream;

    CDRMContextDB::TContextIndex searchData;

    TInt index;

    // Copy the domain id to the 

    searchData.iContextID.Copy( aContext.DomainID() );

    // get the id from the array if it doesn't exist, error

    index = iDomainArray.Find( searchData, TContextIndex::Match );    

    if( index == KErrNotFound )

        {

        TStreamId sid;

        // Create a new stream to the store:

        sid = stream.CreateLC( *iDomainStore );    

        searchData.iStreamID = sid.Value();

        // Externalize the domain data

        aContext.ExternalizeL( stream );

        stream.CommitL();

        // add the id to the array

        iDomainArray.Append( searchData );

        // Get the stream id of the root

        rootId = iDomainStore->Root();  

        // Open the root stream

        rootStream.ReplaceLC( *iDomainStore, rootId );

        // Store the changed index

        StoreDomainIndexL( rootStream );    

        rootStream.CommitL(); 

        // Commit the store

        iDomainStore->CommitL();                      

        CleanupStack::PopAndDestroy();  // root stream

        CleanupStack::PopAndDestroy();  // stream       

        }

    else

        {

        // open an existing one

        TStreamId sid( iDomainArray[ index ].iStreamID );

        // Replace the existing stream

        stream.ReplaceLC( *iDomainStore, sid );

        // Externalize the permission data

        aContext.ExternalizeL( stream );

        // Required by the ReplaceLC

        stream.CommitL();

        // Commit the store    

        iDomainStore->CommitL();

        CleanupStack::PopAndDestroy(); // stream    

        }

    iDomainStore->CompactL();

    iDomainStore->CommitL();

    };    

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

// CDRMContextDB::FetchDomainContextL

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

//

void CDRMContextDB::FetchDomainContextL( CDRMDomainContext& aContext ) const

    {   

    RStoreReadStream stream;

    TUint32 index = 0;

    TContextIndex searchData;

    // Copy the domain id to the search data

    searchData.iContextID.Copy( aContext.DomainID() );

    // get the id from the array if it doesn't exist, error

    User::LeaveIfError( index = iDomainArray.Find( searchData, 

                                                   TContextIndex::Match ) );

    TStreamId sid( iDomainArray[ index ].iStreamID );

    // Open the root stream

    stream.OpenLC( *iDomainStore, sid );

    // Read the common id

    aContext.InternalizeL( stream );

    // Close the stream

    CleanupStack::PopAndDestroy();        

    };

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

// CDRMContextDB::FetchDomainContextL 

// For getting with the current id

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

//

void CDRMContextDB::FetchDomainContextL( CDRMDomainContext& aContext, 

                                         const TInt32& aStream ) const

    {

    RStoreReadStream stream;

    TStreamId sid( aStream );

    stream.OpenLC( *iDomainStore, sid );

    // Read the common id

    aContext.InternalizeL( stream );

    // Close the stream

    CleanupStack::PopAndDestroy();        

    };    

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

// CDRMContextDB::DeleteDomainContextL

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

//

void CDRMContextDB::DeleteDomainContextL( const TDesC8& aDomainID )

    {

    TStreamId rootId;

    TInt index = 0;

    RStoreWriteStream rootStream;

    TContextIndex searchData;

    // Copy the domain id to the search data

    // The last three digits presents the Domain generation

    searchData.iContextID.Copy( aDomainID.Mid(0, aDomainID.Length() - 3 ) );

    // get the id from the array if it doesn't exist, error

    index = iDomainArray.Find( searchData, TContextIndex::Match ); 

    User::LeaveIfError( index = iDomainArray.Find( searchData, 

                                                   TContextIndex::Match ) );

    TStreamId sid( iDomainArray[ index ].iStreamID );

    // Delete the stream from the store

    iDomainStore->DeleteL( sid );

    iDomainArray.Remove( index );       

    // Get the stream id of the root

    rootId = iDomainStore->Root();

    // Open the root stream

    rootStream.ReplaceLC( *iDomainStore, rootId );

    // Store the changed index

    StoreDomainIndexL( rootStream );    

    rootStream.CommitL();

    // Commit the store

    iDomainStore->CommitL();

    CleanupStack::PopAndDestroy();  // root stream

    // Compact and commit the changes

    iDomainStore->CompactL();

    iDomainStore->CommitL();        

    };

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

// CDRMContextDB::StoreRightsIssuerContextL

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

//

void CDRMContextDB::StoreRightsIssuerContextL( const CDRMRIContext& aContext )

    {

    TStreamId rootId;

    RStoreWriteStream stream;

    RStoreWriteStream rootStream;

    TContextIndex searchData;

    TInt index;

    // Copy the domain id to the 

    searchData.iContextID.Copy( aContext.RIID() );

    // get the id from the array if it doesn't exist, error

    index = iRightsIssuerArray.Find( searchData, TContextIndex::Match );    

    if( index == KErrNotFound )

        {

        TStreamId sid;

        // Create a new stream to the store:

        sid = stream.CreateLC( *iRightsIssuerStore );    

        searchData.iStreamID = sid.Value();

        // Externalize the domain data

        aContext.ExternalizeL( stream );

        stream.CommitL();

        // add the id to the array

        iRightsIssuerArray.Append( searchData );

        // Get the stream id of the root

        rootId = iRightsIssuerStore->Root();  

        // Open the root stream

        rootStream.ReplaceLC( *iRightsIssuerStore, rootId );

        // Store the changed index

        StoreRightsIssuerIndexL( rootStream );    

        rootStream.CommitL(); 

        // Commit the store

        iRightsIssuerStore->CommitL();                      

        CleanupStack::PopAndDestroy();  // root stream

        CleanupStack::PopAndDestroy();  // stream       

        }

    else

        {

        // open an existing one

        TStreamId sid( iRightsIssuerArray[ index ].iStreamID );

        // Replace the existing stream

        stream.ReplaceLC( *iRightsIssuerStore, sid );

        // Externalize the permission data

        aContext.ExternalizeL( stream );

        // Required by the ReplaceLC

        stream.CommitL();

        // Commit the store    

        iRightsIssuerStore->CommitL();

        CleanupStack::PopAndDestroy(); // stream    

        }

    iRightsIssuerStore->CompactL();

    iRightsIssuerStore->CommitL();

    };    

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

// CDRMContextDB::FetchRightsIssuerContextL

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

//

void CDRMContextDB::FetchRightsIssuerContextL( CDRMRIContext& aContext ) const

    {   

    RStoreReadStream stream;

    TUint32 index = 0;

    TContextIndex searchData;

    // Copy the domain id to the search data

    searchData.iContextID.Copy( aContext.RIID() );

    // get the id from the array if it doesn't exist, error

    User::LeaveIfError( index = iRightsIssuerArray.Find( searchData, 

                                                   TContextIndex::Match ) );

    TStreamId sid( iRightsIssuerArray[ index ].iStreamID );

    // Open the root stream

    stream.OpenLC( *iRightsIssuerStore, sid );

    // Read the common id

    aContext.InternalizeL( stream );

    // Close the stream

    CleanupStack::PopAndDestroy();        

    };

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

// CDRMContextDB::FetchRightsIssuerContextL 

// For getting with the current id

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

//

void CDRMContextDB::FetchRightsIssuerContextL( CDRMRIContext& aContext, 

                                               const TInt32& aStream ) const

    {

    RStoreReadStream stream;

    TStreamId sid( aStream );

    stream.OpenLC( *iRightsIssuerStore, sid );

    // Read the common id

    aContext.InternalizeL( stream );

    // Close the stream

    CleanupStack::PopAndDestroy();        

    };

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

// CDRMContextDB::FetchAllRightsIssuerContextsL

// For getting with the current id

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

//

void CDRMContextDB::FetchAllRightsIssuerContextsL( RPointerArray<CDRMRIContext>& aContexts) const

    {

    CDRMRIContext* context = NULL;

    // No RI contexts to retrieve

    if ( iRightsIssuerArray.Count() == 0) 

        {

        return;

        }

    for( TInt count = 0; count < iRightsIssuerArray.Count(); count++ )

        {

        context = CDRMRIContext::NewLC();

        FetchRightsIssuerContextL( *context, iRightsIssuerArray[ count ].iStreamID );

        aContexts.AppendL( context );

        CleanupStack::Pop( context );    

        }    

    }

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

// CDRMContextDB::UpdateRightsIssuerContextL

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

//

void CDRMContextDB::UpdateRightsIssuerContextL( const CDRMRIContext& aContext )

    {

    TStreamId rootId;

    TInt index = 0;

    RStoreWriteStream stream;    

    CDRMRIContext* context = NULL;

    TContextIndex searchData;

    // Copy the domain id to the search data

    searchData.iContextID.Copy( aContext.RIID() );

    // get the id from the array if it doesn't exist, error

    User::LeaveIfError( index = iRightsIssuerArray.Find( searchData, 

                                                   TContextIndex::Match ) );

    TStreamId sid( iRightsIssuerArray[ index ].iStreamID );

    // Read the old context:    

    context = CDRMRIContext::NewLC();

    FetchRightsIssuerContextL( *context, iRightsIssuerArray[ index ].iStreamID );

    // update only the metering status:    

    context->SetMeteringStatus( aContext.IsMeteringAllowed() );

    // Replace the existing stream

    stream.ReplaceLC( *iRightsIssuerStore, sid );

    // Externalize the permission data

    context->ExternalizeL( stream );

    // Required by the ReplaceLC

    stream.CommitL();   

    // Commit the store    

    iRightsIssuerStore->CommitL();

    CleanupStack::PopAndDestroy(); // stream

    CleanupStack::PopAndDestroy(context);        

    // Compact and commit the changes

    iRightsIssuerStore->CompactL();

    iRightsIssuerStore->CommitL();        

    };

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

// CDRMContextDB::DeleteRightsIssuerContextL

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

//

void CDRMContextDB::DeleteRightsIssuerContextL( const TDesC8& aStream )

    {

    TStreamId rootId;

    TInt index = 0;

    RStoreWriteStream rootStream;

    TContextIndex searchData;

    // Copy the domain id to the search data

    searchData.iContextID.Copy( aStream );

    // get the id from the array if it doesn't exist, error