/*

* 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, " ");

_LIT(KTimeFormat, "%D%N%Y%1 %2 %3"); //Date, Month name and Year format

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

// 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;

	//delete NULL is safe - so no need to test nullity of iExceprt (which routinely

	//keeps getting deleted in the plugin).

	delete iExcerpt;

            if(iHLDisplayExcerpt)

                {

                delete iHLDisplayExcerpt;

                iHLDisplayExcerpt = NULL;

                }

	}

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

// 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();

#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:

		case EContactDbObserverEventOwnCardChanged:

			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			

#endif			

			break;

		case EContactDbObserverEventContactDeleted:

		case EContactDbObserverEventGroupDeleted:

		case EContactDbObserverEventOwnCardDeleted:

			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

#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

#endif

			break;

		default:

			// Ignore other events

			break;

		}

	}

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

// CContactsPlugin::DelayedCallbackL

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

//

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

    {

	if (!iContacts || !iObserver)

		return;

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

        }

#ifdef __PERFORMANCE_DATA

    UpdatePerformaceDataL();

#endif 

	}

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, const TInt aConfig)

	{

	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];

		if( additionalField.StorageType() == KStorageTypeDateTime)

		    {

            CContactDateField* fieldDate = additionalField.DateTimeStorage();

            if (fieldDate)

                {

                TBuf<30> dateString;

                fieldDate->Time().FormatL(dateString, KTimeFormat);

                aDocument.AddFieldL(fieldNamePtr, dateString, aConfig);

                }

            else

                aDocument.AddFieldL(fieldNamePtr, KNullDesC, aConfig);

		    }

		else

		    {

            CContactTextField* fieldText = additionalField.TextStorage();

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

                aDocument.AddFieldL(fieldNamePtr, fieldText->Text(), aConfig);

            else if (fieldText && aFieldId == KUidContactFieldAnniversary)

                {

                TBuf<30> dateString;

                GetDateL(fieldText->Text(), dateString);

                aDocument.AddFieldL(fieldNamePtr, dateString, aConfig);

                }

            else

                aDocument.AddFieldL(fieldNamePtr, KNullDesC, aConfig);

		    }

            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() ) )

		{

		if( additionalField.StorageType() == KStorageTypeDateTime)

		            {

		            CContactDateField* fieldDate = additionalField.DateTimeStorage();

		            if (fieldDate)

		                {

		                TBuf<30> dateString;

		                fieldDate->Time().FormatL(dateString, KTimeFormat);

                        TInt currentSize = iExcerpt->Size();

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

                        iExcerpt = iExcerpt->ReAllocL(newSize);

                        TPtr ptr = iExcerpt->Des();

                        ptr.Append(dateString);

                        ptr.Append(KExcerptDelimiter);

		                }

		            }

		        else

		            {

		            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);

		                }

		            }

		}

	}

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

// Helper: Adds the field to the document AND to the exceprt field.

// This function helps avoid calling two functions explicitly for most fields.

// This function needs to be a member function as it has to call member functions.

// Improvement: AddFieldL need to be a member function - can be refactored.

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

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

    {

    AddFieldL( aDocument, aFieldSet, aFieldId, aFieldName, aConfig );

    AddToExcerptL( aDocument, aFieldSet, aFieldId, aFieldName );

    }

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

// CContactsPlugin::CreateMessageIndexItemL

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

//	    

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

    {

    //indexer is created only when StartPlugin() is called. Don't create contact 

    //if index is not ready. 

	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;

	TBuf<2> isGroup;

	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 )

		    {

            // Added IsGroup field to differenciate Group with contacts, its value made true in case of groups

            isGroup.AppendNum(ETrue);

            index_item->AddFieldL( KContactIsGroup, isGroup, CDocumentField::EStoreYes | CDocumentField::EIndexNo );

            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->AddHLDisplayFieldL(static_cast<CContactGroup*>( contact )->GetGroupLabelL());

		    }

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

		    {

            if (iExcerpt)

                {

                delete iExcerpt;

                iExcerpt = NULL;

                }

            iExcerpt = HBufC::NewL(2);

            CContactItemFieldSet& fieldSet = contact->CardFields();

            //IsGroup value made false in case of contact

            isGroup.AppendNum(EFalse);

            index_item->AddFieldL( KContactIsGroup, isGroup,CDocumentField::EStoreYes | CDocumentField::EIndexNo);

            //For contacts, all fields __except__ GivenName and FamilyName should be added to excerpt.

            //See appclass-hierarchy.txt for details.

            /* The order of fields in excerpt is as below. The order in this case

             * is the order of fields shown when you 'Edit' the contact.

             */

            AddFieldL( *index_item, fieldSet, KUidContactFieldGivenName, KContactsGivenNameField, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EIndexFreeText );

            AddFieldL( *index_item, fieldSet, KUidContactFieldFamilyName, KContactsFamilyNameField, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField:: EIndexFreeText );        

            if(iHLDisplayExcerpt)

                {

                delete iHLDisplayExcerpt;

                iHLDisplayExcerpt = NULL;

                }

            AddFieldToHLExcerptL( fieldSet, KUidContactFieldGivenName);

            AddFieldToHLExcerptL( fieldSet, KUidContactFieldFamilyName);

            if(iHLDisplayExcerpt)

            index_item->AddHLDisplayFieldL(*iHLDisplayExcerpt);

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldPhoneNumber, KContactsPhoneNumberField, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EIndexPhoneNumber );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldEMail, KContactsEMailField, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EIndexFreeText );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldSIPID, KContactsSIPIDField );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldCompanyName, KContactsCompanyNameField, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EIndexFreeText );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldJobTitle, KContactsJobTitleField, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EIndexFreeText );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldNote, KContactsNoteField );

            /* The following fields are not displayed when 'Edit'-ing the contact.

             * The order here is arbitrary.

             */

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldAddress, KContactsAddressField );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldSecondName, KContactsSecondNameField, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EIndexFreeText );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldPrefixName, KContactsPrefixField );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldSuffixName, KContactsSuffixField );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldAdditionalName, KContactsAdditionalNameField, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EIndexFreeText);

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldUrl, KContactsUrlField );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldPostOffice, KContactsPostOfficeField );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldExtendedAddress, KContactsExtendedAddressField );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldLocality, KContactsLocalityField );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldRegion, KContactsRegionField );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldPostcode, KContactsPostcodeField );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldCountry, KContactsCountryField );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldSpouse, KContactsSpouseField, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EIndexFreeText);

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldChildren, KContactsChildrenField, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EIndexFreeText);

            //AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldClass, KContactsClassField ); //sync field

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldFax, KContactsFaxField );

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldAssistant, KContactAssistant, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EIndexFreeText);

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldDepartmentName, KContactsDepartmentName, CDocumentField::EStoreYes | CDocumentField::EIndexTokenized | CDocumentField::EIndexFreeText);

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldIMAddress, KContactIMAddress);

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldServiceProvider, KContactServiceProvider);

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldBirthday, KContactBirthday);

            AddFieldToDocumentAndExcerptL( *index_item, fieldSet, KUidContactFieldAnniversary, KContactAnniversary);

            index_item->AddExcerptL(*iExcerpt);

            }

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

		CleanupStack::PopAndDestroy( contact );

		// Send for indexing

		if (aActionType == ECPixAddAction)