/*

* 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: 

 *

*/

#include "ccontactsplugin.h"

#include "harvesterserverlogger.h"

#include <common.h>

#include <csearchdocument.h>

#include <ccpixindexer.h>

#include <e32base.h>

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "ccontactspluginTraces.h"

#endif

_LIT(KMimeTypeField, CPIX_MIMETYPE_FIELD);

_LIT(KMimeTypeContact, CONTACT_MIMETYPE);

/** The delay between harvesting chunks. */

const TInt KHarvestingDelay = 2000;

/** Number of contacts to process in one active scheduler cycle */

const TInt KContactsPerRunL = 1;

_LIT(KExcerptDelimiter, " ");

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

// CContactsPlugin::NewL()

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

//

CContactsPlugin* CContactsPlugin::NewL()

	{

	CContactsPlugin* instance = CContactsPlugin::NewLC();

    CleanupStack::Pop(instance);

    return instance;

	}

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

// CContactsPlugin::NewLC()

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

//

CContactsPlugin* CContactsPlugin::NewLC()

	{

	CContactsPlugin* instance = new (ELeave)CContactsPlugin();

    CleanupStack::PushL(instance);

    instance->ConstructL();

    return instance;

	}

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

// CContactsPlugin::CContactsPlugin()

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

//

CContactsPlugin::CContactsPlugin()

	{

	}

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

// CContactsPlugin::~CContactsPlugin()

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

//

CContactsPlugin::~CContactsPlugin()

	{

    if (iAsynchronizer)

        iAsynchronizer->CancelCallback();

	delete iAsynchronizer;

	iContacts = NULL;

	delete iChangeNotifier;

	delete iDatabase;

	delete iIndexer;

	if (iExcerpt)

		delete iExcerpt;

	}

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

// CContactsPlugin::ConstructL()

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

//

void CContactsPlugin::ConstructL()

	{

	iDatabase = CContactDatabase::OpenL();

	// This pointer is valid until a change is made to the database or until 

	// the database's active object is allowed to run. If the array is 

	// required after one of the above two events has occurred, a copy of the 

	// array must first be made.

	iContacts = iDatabase->SortedItemsL();

    iAsynchronizer = CDelayedCallback::NewL( CActive::EPriorityIdle );

	}

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

// CContactsPlugin::StartPluginL()

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

//

void CContactsPlugin::StartPluginL()

	{

	// Define this base application class, use default location

	User::LeaveIfError(iSearchSession.DefineVolume( _L(CONTACT_QBASEAPPCLASS), KNullDesC ));

	// Open database

	iIndexer = CCPixIndexer::NewL(iSearchSession);

	iIndexer->OpenDatabaseL( _L(CONTACT_QBASEAPPCLASS) ); 

	// Start harvester for this plugin

	iObserver->AddHarvestingQueue(this, iIndexer->GetBaseAppClass());

	// Start monitoring when plugin is started

	iChangeNotifier = CContactChangeNotifier::NewL(*iDatabase, this);	

	}

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

// CContactsPlugin::StartHarvestingL()

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

//

void CContactsPlugin::StartHarvestingL(const TDesC& /*aQualifiedBaseAppClass*/)

    {

	iIndexer->ResetL();

	iCurrentIndex = 0;

#ifdef __PERFORMANCE_DATA

    iStartTime.UniversalTime();

#endif  

    iAsynchronizer->Start( 0, this, KHarvestingDelay );

    }

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

// CContactsPlugin::HandleDatabaseEventL

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

// 

void CContactsPlugin::HandleDatabaseEventL(TContactDbObserverEvent aEvent)

	{

	switch( aEvent.iType )

		{

		case EContactDbObserverEventContactChanged:

		case EContactDbObserverEventGroupChanged:

			OstTrace1( TRACE_NORMAL, DUP3_CCONTACTSPLUGIN_HANDLEDATABASEEVENTL, "CContactsPlugin::HandleDatabaseEventL;Monitored update id=%d", aEvent.iContactId );			

			CPIXLOGSTRING2("CContactsPlugin::DelayedCallbackL(): Monitored update id=%d.", aEvent.iContactId);

#ifdef __PERFORMANCE_DATA

            iStartTime.UniversalTime();

            CreateContactIndexItemL(aEvent.iContactId, ECPixUpdateAction);

            UpdatePerformaceDataL(ECPixUpdateAction);

#else			

			CreateContactIndexItemL(aEvent.iContactId, ECPixUpdateAction);

#endif			

			break;

		case EContactDbObserverEventContactDeleted:

		case EContactDbObserverEventGroupDeleted:

			OstTrace1( TRACE_NORMAL, CCONTACTSPLUGIN_HANDLEDATABASEEVENTL, "CContactsPlugin::HandleDatabaseEventL();Monitored delete id=%d", aEvent.iContactId );

			CPIXLOGSTRING2("CContactsPlugin::DelayedCallbackL(): Monitored delete id=%d.", aEvent.iContactId);

#ifdef __PERFORMANCE_DATA

            iStartTime.UniversalTime();			

			CreateContactIndexItemL(aEvent.iContactId, ECPixRemoveAction);

			UpdatePerformaceDataL(ECPixRemoveAction);

#else

			CreateContactIndexItemL(aEvent.iContactId, ECPixRemoveAction);

#endif

			break;

		case EContactDbObserverEventContactAdded:

		case EContactDbObserverEventGroupAdded:

			OstTrace1( TRACE_NORMAL, DUP1_CCONTACTSPLUGIN_HANDLEDATABASEEVENTL, "CContactsPlugin::HandleDatabaseEventL();Monitored add id=%d", aEvent.iContactId );

			CPIXLOGSTRING2("CContactsPlugin::DelayedCallbackL(): Monitored add id=%d.", aEvent.iContactId);

#ifdef __PERFORMANCE_DATA

            iStartTime.UniversalTime();			

			CreateContactIndexItemL(aEvent.iContactId, ECPixUpdateAction);

			UpdatePerformaceDataL(ECPixUpdateAction);

#else

			CreateContactIndexItemL(aEvent.iContactId, ECPixAddAction);

#endif

			break;

		default:

			// Ignore other events

			break;

		}

	}

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

// CContactsPlugin::DelayedCallbackL

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

//

void CContactsPlugin::DelayedCallbackL( TInt /*aCode*/ )

    {

	if (!iContacts || !iObserver)

		return;

	// may have changed - refresh the pointer

	iContacts = iDatabase->SortedItemsL();

	// Read the next set of contacts.

	for( TInt i = 0; i < KContactsPerRunL; i++ )

		{

		// Exit the loop if no more contacts

		if (iCurrentIndex >= iContacts->Count())

			break;

		// Create index item

		OstTrace1( TRACE_NORMAL, CCONTACTSPLUGIN_DELAYEDCALLBACKL, "CContactsPlugin::DelayedCallbackL();Harvesting id=%d", (*iContacts)[iCurrentIndex] );

		CPIXLOGSTRING2("CContactsPlugin::DelayedCallbackL(): Harvesting id=%d.", (*iContacts)[iCurrentIndex]);

		CreateContactIndexItemL((*iContacts)[iCurrentIndex], ECPixAddAction);

		iCurrentIndex++;

		}

	if( iAsynchronizer && (iCurrentIndex < iContacts->Count()) )

	    {

	    // Launch the next RunL

        iAsynchronizer->Start(0, this, KHarvestingDelay);

        }

	else

		{

		// Harvesting was successfully completed

		Flush(*iIndexer);

#ifdef __PERFORMANCE_DATA

    UpdatePerformaceDataL();

#endif 

		iObserver->HarvestingCompleted(this, iIndexer->GetBaseAppClass(), KErrNone);

		}

	}

void CContactsPlugin::DelayedError(TInt aError)

	{

	// Harvesting was successfully completed

	Flush(*iIndexer);

	iObserver->HarvestingCompleted(this, iIndexer->GetBaseAppClass(), aError);

	}

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

// CContactsPlugin::AddFieldL

// Adds information field (if available)

// If the contact has multiple values for the same Field (e.g. multiple 

// PhoneNumber values), then the FieldNames of non-first values are appended a 

// number.

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

void CContactsPlugin::AddFieldL(CSearchDocument& aDocument, CContactItemFieldSet& aFieldSet, TUid aFieldId, const TDesC& aFieldName)

	{

	HBufC* fieldName = HBufC::NewLC(aFieldName.Length() + 3); // +3 so can append variable 'i'.

	TPtr fieldNamePtr = fieldName->Des();

	// Find field

	TInt findpos = aFieldSet.FindNext(aFieldId, 0);

	for (TInt i = 0; findpos != KErrNotFound; i++)

		{

		fieldNamePtr.Copy(aFieldName);

		if (i>0)

			{

			fieldNamePtr.AppendNum(i);

			}

		CContactItemField& additionalField = aFieldSet[findpos];

		CContactTextField* fieldText = additionalField.TextStorage();

		if (fieldText && fieldText->Text() != KNullDesC)

	        aDocument.AddFieldL(fieldNamePtr, fieldText->Text(), CDocumentField::EStoreYes | CDocumentField::EIndexTokenized);

		else

	        aDocument.AddFieldL(fieldNamePtr, KNullDesC, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized);

		findpos = aFieldSet.FindNext(aFieldId, findpos+1);

		}

	CleanupStack::PopAndDestroy(fieldName);

	}

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

// CContactsPlugin::AddToExcerptL

// Adds more text to excerpt

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

void CContactsPlugin::AddToExcerptL(CSearchDocument& /*aDocument*/, CContactItemFieldSet& aFieldSet, TUid aFieldId, const TDesC& /*aFieldName*/ )

	{

	// Find field

	TInt findpos = aFieldSet.Find( aFieldId );

	if (! (findpos < 0) || (findpos >= aFieldSet.Count() ) )

		{

		CContactItemField& additionalField = aFieldSet[ findpos ];

		CContactTextField* fieldText = additionalField.TextStorage();

		if ( fieldText && fieldText->Text() != KNullDesC )

			{

			TInt currentSize = iExcerpt->Size();

			TInt newSize = currentSize + fieldText->Text().Size() + 1;

			iExcerpt = iExcerpt->ReAllocL(newSize);

			TPtr ptr = iExcerpt->Des();

			ptr.Append(fieldText->Text());

			ptr.Append(KExcerptDelimiter);

			}

		}

	}

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

// CContactsPlugin::CreateMessageIndexItemL

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

//	    

void CContactsPlugin::CreateContactIndexItemL(TInt aContentId, TCPixActionType aActionType )

    {

	if (!iIndexer)

    	return;

	OstTrace1( TRACE_NORMAL, CCONTACTSPLUGIN_CREATECONTACTINDEXITEML, "CContactsPlugin::CreateContactIndexItemL();aContentId=%d", aContentId );

	CPIXLOGSTRING2("CContactsPlugin::CreateContactIndexItemL(): aContentId = %d ", aContentId );

	// creating CSearchDocument object with unique ID for this application

	TBuf<20> docid_str;

	docid_str.AppendNum(aContentId);

	if (aActionType == ECPixAddAction || aActionType == ECPixUpdateAction )

		{

		CSearchDocument* index_item = CSearchDocument::NewLC(docid_str, _L(CONTACTAPPCLASS)); 

	    // Add fields

		CContactItem* contact = iDatabase->ReadMinimalContactL(aContentId);

        CleanupStack::PushL( contact );

		if( contact->Type() == KUidContactGroup )

		    {

            index_item->AddFieldL(KContactsGivenNameField, static_cast<CContactGroup*>( contact )->GetGroupLabelL(), CDocumentField::EStoreYes | CDocumentField::EIndexTokenized);

            OstTraceExt1( TRACE_NORMAL, DUP1_CCONTACTSPLUGIN_CREATECONTACTINDEXITEML, ";Adding Contact Group=%S", ( static_cast<CContactGroup*>( contact )->GetGroupLabelL() ) );

            CPIXLOGSTRING2("Adding Contact Group %S", &( static_cast<CContactGroup*>( contact )->GetGroupLabelL() ) );

            index_item->AddExcerptL( static_cast<CContactGroup*>( contact )->GetGroupLabelL() );

		    }

		else//If the contact item is a regular contact.

		    {

            if (iExcerpt)

                {

                delete iExcerpt;

                iExcerpt = NULL;

                }

            iExcerpt = HBufC::NewL(2);

            index_item->AddExcerptL(*iExcerpt);

            }

    	index_item->AddFieldL(KMimeTypeField, KMimeTypeContact, CDocumentField::EStoreYes | CDocumentField::EIndexUnTokenized);

		CleanupStack::PopAndDestroy( contact );

		// Send for indexing

		if (aActionType == ECPixAddAction)

			{

			TRAPD(err, iIndexer->AddL(*index_item));

			if (err == KErrNone)

				{

				OstTrace0( TRACE_NORMAL, DUP2_CCONTACTSPLUGIN_CREATECONTACTINDEXITEML, "CContactsPlugin::CreateContactIndexItemL(): Added." );

				CPIXLOGSTRING("CContactsPlugin::CreateContactIndexItemL(): Added.");

				}

			else

				{

				OstTrace1( TRACE_NORMAL, DUP3_CCONTACTSPLUGIN_CREATECONTACTINDEXITEML, "CContactsPlugin::CreateContactIndexItemL();Error %d in adding", err );

				CPIXLOGSTRING2("CContactsPlugin::CreateContactIndexItemL(): Error %d in adding.", err);

				}			

			}

		else if (aActionType == ECPixUpdateAction)

			{

			TRAPD(err, iIndexer->UpdateL(*index_item));

			if (err == KErrNone)

				{

				OstTrace0( TRACE_NORMAL, DUP4_CCONTACTSPLUGIN_CREATECONTACTINDEXITEML, "CContactsPlugin::CreateContactIndexItemL(): Updated." );

				CPIXLOGSTRING("CContactsPlugin::CreateContactIndexItemL(): Updated.");

				}

			else

				{

				OstTrace1( TRACE_NORMAL, DUP5_CCONTACTSPLUGIN_CREATECONTACTINDEXITEML, "CContactsPlugin::CreateContactIndexItemL();Error %d in updating", err );

				CPIXLOGSTRING2("CContactsPlugin::CreateContactIndexItemL(): Error %d in updating.", err);

				}			

			}

		CleanupStack::PopAndDestroy(index_item); // Do not destroy

		}

	else if (aActionType == ECPixRemoveAction)

		{

		// Remove the document

		TRAPD(err, iIndexer->DeleteL(docid_str));

		if (err == KErrNone)

			{

			OstTrace0( TRACE_NORMAL, DUP6_CCONTACTSPLUGIN_CREATECONTACTINDEXITEML, "CContactsPlugin::CreateContactIndexItemL(): Deleted." );

			CPIXLOGSTRING("CContactsPlugin::CreateContactIndexItemL(): Deleted.");

			}

		else

			{

			OstTrace1( TRACE_NORMAL, DUP7_CCONTACTSPLUGIN_CREATECONTACTINDEXITEML, "CContactsPlugin::CreateContactIndexItemL();Error %d in deleting", err );

			CPIXLOGSTRING2("CContactsPlugin::CreateContactIndexItemL(): Error %d in deleting.", err);

			}			

		}

    }

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

// CContactsPlugin::UpdatePerformaceDataL

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

//	

#ifdef __PERFORMANCE_DATA

void CContactsPlugin::UpdatePerformaceDataL()

    {

    TTime now;

    iCompleteTime.UniversalTime();

    TTimeIntervalMicroSeconds timeDiff = iCompleteTime.MicroSecondsFrom(iStartTime);

    RFs fileSession;

    RFile perfFile;

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

    /* Open file if it exists, otherwise create it and write content in it */

        if(perfFile.Open(fileSession, _L("c:\\data\\ContactsPerf.txt"), EFileWrite))

                   User::LeaveIfError(perfFile.Create (fileSession, _L("c:\\data\\ContactsPerf.txt"), EFileWrite));

    HBufC8 *heap = HBufC8::NewL(100);

    TPtr8 ptr = heap->Des();

    now.HomeTime();

    TBuf<50> timeString;             

    _LIT(KOwnTimeFormat,"%:0%H%:1%T%:2%S");

    now.FormatL(timeString,KOwnTimeFormat);

    ptr.AppendNum(now.DateTime().Day());

    ptr.Append(_L("/"));

    ptr.AppendNum(now.DateTime().Month());

    ptr.Append(_L("/"));

    ptr.AppendNum(now.DateTime().Year());

    ptr.Append(_L(":"));

    ptr.Append(timeString);

    ptr.Append( _L("Time taken for Harvesting Contacts is : "));

    ptr.AppendNum(timeDiff.Int64()/1000) ;

    ptr.Append(_L(" MilliSeonds \n"));

    TInt myInt = 0;

    perfFile.Seek(ESeekEnd,myInt);

    perfFile.Write (ptr);

    perfFile.Close ();

    fileSession.Close ();

    delete heap;

    }

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

// CContactsPlugin::UpdatePerformaceDataL

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

//	

void CContactsPlugin::UpdatePerformaceDataL(TCPixActionType action)

    {

    iCompleteTime.UniversalTime();

    TTimeIntervalMicroSeconds timeDiff = iCompleteTime.MicroSecondsFrom(iStartTime);

    RFs fileSession;

    RFile perfFile;

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

    /* Open file if it exists, otherwise create it and write content in it */

        if(perfFile.Open(fileSession, _L("c:\\data\\ContactsPerf.txt"), EFileWrite))

                   User::LeaveIfError(perfFile.Create (fileSession, _L("c:\\data\\ContactsPerf.txt"), EFileWrite));

    HBufC8 *heap = HBufC8::NewL(100);

    TPtr8 ptr = heap->Des();