/*

* Copyright (c) 2010 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:  MDS to CPIX Document fetcher 

 *

*/

#include "cpixdocfetcher.h"

#include "csearchdocument.h"

#include <mdeobject.h>

#include <mdccommon.h>

#include <mdeitem.h>

#include <mdeconstants.h>

#include <mdeobjectdef.h>

#include "harvesterserverlogger.h"

#define CPIX_MIMETYPE_FIELD      L"_mimetype"

#define LCPIX_MIMETYPE_FIELD     L"_mimetype"

const TInt KInitialExcerptLength = 5;

const TInt KStartPosition = 2; //Start position of absolute path

const TInt KDrivePosition = 0; //Drive position in object Uri

const TInt KMaxMediaLength = 14;

const TInt KMaxExtLength = 5;

//To unsigned decimal representation as UIds are out of range for signed decimal

_LIT(KFormat, "%u");

_LIT(KNameField, "Name");

_LIT(KMediaIdField, "MediaId");

_LIT(KExtensionField, "Extension");

_LIT(KExcerptDelimiter, " ");

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

// CCPIXDocFetcher::NewL()

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

//

CCPIXDocFetcher* CCPIXDocFetcher::NewL()

    {

    CCPIXDocFetcher* self = CCPIXDocFetcher::NewLC();

    CleanupStack::Pop(self);

    return self;

    }

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

// CCPIXDocFetcher::NewLC()

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

//

CCPIXDocFetcher* CCPIXDocFetcher::NewLC()

    {

    CCPIXDocFetcher* self = new (ELeave) CCPIXDocFetcher();

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

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

// CCPIXDocFetcher::~CCPIXDocFetcher()

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

//

CCPIXDocFetcher::~CCPIXDocFetcher()

    {

    iFs.Close();

    delete iExcerpt;

    }

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

// CCPIXDocFetcher::~ConstructL() 

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

//

void CCPIXDocFetcher::ConstructL()

    {

    //Heap variables if any

    User::LeaveIfError(iFs.Connect());

    iExcerpt = NULL;

    }

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

// CCPIXDocFetcher::CCPIXDocFetcher() 

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

//

CCPIXDocFetcher::CCPIXDocFetcher()

    {

    }

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

// CCPIXDocFetcher::ResetExcerpt() 

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

//

void CCPIXDocFetcher::ResetExcerpt()

    {

    if(iExcerpt)

        {

        delete iExcerpt;

        iExcerpt = NULL;

        }

    }

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

// CCPIXDocFetcher::GetCpixDocumentL() 

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

//

CSearchDocument* CCPIXDocFetcher::GetCpixDocumentL(const CMdEObject& aObject,

                                                   const TDesC& aAppClass,

                                                   CMdEObjectDef& aObjectDef)

    {

    CPIXLOGSTRING("START CCPIXDocFetcher::GetCpixDocumentL");

    CSearchDocument* index_item = NULL;

    if(aObject.Uri() != KNullDesC) //Uri is must have property we will store items which has URI

        {

        SetAbsoluteURI(aObject.Uri());//Convert URI to absolute path 

        index_item = CSearchDocument::NewLC(GetUri(), aAppClass);

        TInt slashpos = GetUri().LocateReverse('\\');

        TPtrC name = GetUri().Mid( (slashpos+1) );

        //Uri is our Document ID

        AddFiledtoDocumentL(*index_item,

                               KNameField, //URI as Name field

        //Store media ID for client to generate path and launch corresponding Item

        TBuf<KMaxMediaLength> mediaBuf;        

        //As the MDS database is storing incorrect MediaIds, fetch the uniqueid from the 

        //file system.If the issue is fixed in 10.1 then Ids from MDS can be directly used

        //GetMediaIdDescriptor(aObject.MediaId(),mediaBuf);

        GetMediaIdDescriptorFromFsL(aObject.Uri(),mediaBuf);

        //Uri is our Document ID

        AddFiledtoDocumentL(*index_item, KMediaIdField, mediaBuf,

                             CDocumentField::EStoreYes | CDocumentField::EIndexUnTokenized);

        CPIXLOGSTRING("CCPIXDocFetcher::GetCpixDocumentL Standard Property URI, Media ID Added");

        //Get the media file extension and store

        TBuf<KMaxExtLength> extension;        

        GetExtension(aObject.Uri(),extension);

        CMdEProperty* property(NULL);

        CMdEPropertyDef& titlePropDef = aObjectDef.GetPropertyDefL(MdeConstants::Object::KTitleProperty );

        /*Requirement Excerpt should have all item specific field in priority order so has to be handled

         *at plugin specific document handler

         */

        if(aObject.Property( titlePropDef, property ) != KErrNotFound)

           {

           //Add field to document

           if(textProperty->Value() != KNullDesC)

               {

               AddFiledtoDocumentL(*index_item,

                                     MdeConstants::Object::KTitleProperty,

               }

           }

        //Item type as MIME type

        CMdEPropertyDef& mimeTypePropDef = aObjectDef.GetPropertyDefL(MdeConstants::Object::KItemTypeProperty);

        if(aObject.Property( mimeTypePropDef, property )!= KErrNotFound)

           {

           //Add field to document

           AddFiledtoDocumentL(*index_item,

                               _L(CPIX_MIMETYPE_FIELD),

                               textProperty->Value(),

                               CDocumentField::EStoreYes | CDocumentField::EIndexUnTokenized);

           }

        CleanupStack::Pop(index_item);//pop up

        }    

    CPIXLOGSTRING("END CCPIXDocFetcher::GetCpixDocumentL");

    return index_item;

    }

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

// CCPIXDocFetcher::GetUri() 

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

//

const TDesC& CCPIXDocFetcher::GetUri()

    {

    return iUri;

    }

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

// CCPIXDocFetcher::GetMediaIdDescriptor() 

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

//

void CCPIXDocFetcher::GetMediaIdDescriptor(const TUint32& aMediaId,

                                           TDes& aMediaIDBuf)

    {

    aMediaIDBuf.Format(_L("%d"),aMediaId);

    }

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

// CCPIXDocFetcher::GetMediaIdDescriptorFromFs() 

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

//

void CCPIXDocFetcher::GetMediaIdDescriptorFromFsL(const TDesC& aUri,

                                           TDes& aMediaIDBuf)

    {

    TVolumeInfo volumeInfo;

    TInt driveNumber;

    TChar driveLetter;

    driveLetter = aUri[KDrivePosition];    

    User::LeaveIfError(iFs.CharToDrive(driveLetter,driveNumber));

    User::LeaveIfError(iFs.Volume(volumeInfo,driveNumber));

    aMediaIDBuf.Format(KFormat, volumeInfo.iUniqueID);    

    }

void CCPIXDocFetcher::GetExtension(const TDesC& aUri,

                              TDes& aExtension)

    {

    TInt pos = aUri.LocateReverse('.');

    if(pos > 0)

        {

         aExtension.Copy(aUri.Mid(pos+1));

        }

    }

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

// CCPIXDocFetcher::AddToFieldExcerptL() 

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

//

void CCPIXDocFetcher::AddToFieldExcerptL(const TDesC& aExcerptValue)

    {

    if(!iExcerpt)

        {

        iExcerpt = HBufC::NewL(KInitialExcerptLength);

        }

    if(aExcerptValue.Compare(KNullDesC) != 0)//value is not Null

        {

        TInt currentSize = iExcerpt->Size();

        TInt newSize = currentSize + aExcerptValue.Size() + 1;

        if(newSize > currentSize) //New size is bigger so we have to reallocate

            {

            iExcerpt = iExcerpt->ReAllocL(newSize);

            }

        TPtr ptr = iExcerpt->Des();

        ptr.Append(aExcerptValue);

        ptr.Append(KExcerptDelimiter);

        }

    }

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

// CCPIXDocFetcher::SetAbsoluteURI() 

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

//

void CCPIXDocFetcher::SetAbsoluteURI(const TDesC& aUri)

    {

    iUri.Copy(aUri.Mid(KStartPosition));

    }

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

// CCPIXDocFetcher::AddFiledtoDocumentL() 

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

//

void CCPIXDocFetcher::AddFiledtoDocumentL(CSearchDocument& aSearchDoc,

                                          const TDesC& aFiledName,

                                          const TDesC& aValue,

                                          TInt aConfig)

    {

    if(aValue != KNullDesC)

        aSearchDoc.AddFieldL(aFiledName, aValue, aConfig);

    else

        aSearchDoc.AddFieldL(aFiledName, KNullDesC, aConfig);    

    }

//End of life