/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  CLandmarkService class implementation

 *

*/

#include <epos_hposlmdatabaseinfo.h>

#include <epos_cposlmdatabasemanager.h>

#include <epos_cposlandmarkparser.h>

#include <epos_cposlandmarkencoder.h>

#include <epos_cposlmitemiterator.h>

#include <epos_cposlandmarkdatabase.h>

#include <epos_cposlandmarksearch.h>

#include <epos_cposlmcategorymanager.h>

#include "landmarkservice.h"

#include "clandmarkcmdgetcategories.h"

#include "clandmarkcmdgetlandmarks.h"

#include "clandmarkmanagehandlers.h"

#include "clandmarkfilter.h"

#include "clandmarkmanageobjects.h"

#include "mlandmarkobserver.h"

//CONSTANTS

_LIT(KProtocolSeparator, "://");

_LIT(KLocalProtocol, "file");

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

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

// CLandmarkService::NewL()

// Two-phased constructor.

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

//

EXPORT_C CLandmarkService* CLandmarkService::NewL()

	{

	CLandmarkService* self = CLandmarkService::NewLC();

	CleanupStack::Pop( self );

	return self;

	}

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

// CLandmarkService::NewL()

// Two-phased constructor.

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

//

EXPORT_C CLandmarkService* CLandmarkService::NewLC()

	{

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

	CleanupStack::PushL( self );

	self->ConstructL();

	return self;

	}

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

// CLandmarkService::ConstructL()

// Symbian 2nd phase constructor can leave.

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

//

void CLandmarkService::ConstructL( )

	{

#ifdef _DEBUG

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

	iLog.CreateLog (_L("landmarks"),_L("log.txt"),EFileLoggingModeOverwrite );

	iLog.Write (_L("CLandmarkService::ConstructL()") );

#endif

	iDatabaseManager = CPosLmDatabaseManager::NewL ( );

	iManageHandler = CLandmarkManageHandlers::NewL ( );

	SetActiveL(KNullDesC);

	}

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

// CLandmarkService::CLandmarkService()

// C++ default constructor can NOT contain any code, that might leave.

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

//

CLandmarkService::CLandmarkService( )

	{

	}

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

// CLandmarkService::~CLandmarkService()

// Destructor.

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

//

CLandmarkService::~CLandmarkService( )

	{

#ifdef _DEBUG

	iLog.Write (_L("CLandmarkService::~CLandmarkService()") );

	iLog.CloseLog ( );

	iLog.Close ( );

#endif

	delete iManageObjects;

	delete iDatabaseManager;

	delete iManageHandler;

	ReleaseLandmarkResources ( );

	}

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

// CLandmarkService::ImportL( CPosLmItemIterator*&  aIterator,

//    CPosLandmarkParser& aLandmarkParser, TDesC& aDatabaseUri ) const

// Imports landmarks parsed from the input file to the given database.

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

//

EXPORT_C void CLandmarkService::ImportL( CPosLmItemIterator*& aIterator,

		CPosLandmarkParser& aLandmarkParser, const TDesC& aDatabaseUri )

	{

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::ImportL"));

#endif

	CLandmarkHandler* handler = iManageHandler->GetHandlerL(aDatabaseUri);

	if ( !handler )

		{

		handler = iManageHandler->CreateHandlerL(aDatabaseUri);

		}

	CPosLandmarkDatabase* db = handler->LandmarkDatabaseHandle();

	CPosLmOperation* op = db->ImportLandmarksL(aLandmarkParser,

			CPosLandmarkDatabase::EDefaultOptions);

	CleanupStack::PushL(op);

	op->ExecuteL();

	aIterator = db->ImportedLandmarksIteratorL(op);

	CleanupStack::PopAndDestroy(op);

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::ImportL:Exit"));

#endif    

	}

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

// CLandmarkService::ExportL( CPosLandmarkEncoder* aLandmarkEncoder,

//  const RArray<TPosLmItemId>& aLandmarkIdArray, const TDesC& aDatabaseUri )

// Exports a list of landmarks from database to a file.

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

//

EXPORT_C void CLandmarkService::ExportL( CPosLandmarkEncoder& aLandmarkEncoder,

		const RArray<TPosLmItemId>& aLandmarkIdArray, const TDesC& aDatabaseUri ) const

	{

	CLandmarkHandler* handler = iManageHandler->GetHandlerL(aDatabaseUri);

	if (!handler)

		{

		handler = iManageHandler->CreateHandlerL(aDatabaseUri);

		}

	CPosLandmarkDatabase* db = handler->LandmarkDatabaseHandle();

	ExecuteAndDeleteLD(db->ExportLandmarksL(aLandmarkEncoder,aLandmarkIdArray,

					CPosLandmarkDatabase::EIncludeCategories));

	}

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

// CLandmarkService::GetListL(  CPosLmItemIterator*&  aIterator,

//    const CLandmarkFilter* aFilter, const  TDesC&  aDatabaseUri ) const

// Get a list of Landmarks/Categories from  Database synchronously based on filter.

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

//

EXPORT_C void CLandmarkService::GetListL( CPosLmItemIterator*& aIterator,

		CLandmarkFilter& aFilter, const TDesC& aDatabaseUri ) const

	{

	CLandmarkHandler* handler = iManageHandler->GetHandlerL(aDatabaseUri);

	if ( !handler )

		{

		handler = iManageHandler->CreateHandlerL(aDatabaseUri);

		}

	CPosLandmarkSearch* search = handler->LandmarkSearchHandle();

	search->SetMaxNumOfMatches(aFilter.MaximumMatches());

	if ( aFilter.IsLandmark() )

		{

		ExecuteAndDeleteLD(search->StartLandmarkSearchL(aFilter.Criteria(),

						aFilter.LmSortPref(),aFilter.PreviousMatches()));

		}

	else

		{

		ExecuteAndDeleteLD(search->StartCategorySearchL(aFilter.Criteria(),

						aFilter.CatSortPref(),aFilter.PreviousMatches()));

		}

	aIterator = search->MatchIteratorL();

	}

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

// CLandmarkService::GetListL( CDesCArray*& aDatabaseList,

//    const TDesC& aProtocol ) const

// Get a list of Landmark databases.

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

//

EXPORT_C void CLandmarkService::GetListL (CDesCArray*& aDatabaseList,

		const TDesC& aProtocol) const

	{

	if ( aProtocol != KNullDesC )

		{

		aDatabaseList = iDatabaseManager->ListDatabasesLC(aProtocol);

		}

	else

		{

		aDatabaseList = iDatabaseManager->ListDatabasesLC();

		}

	CleanupStack::Pop(aDatabaseList);

	}

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

// CLandmarkService::GetListL( TInt32 aTransactionId,

//    CLandmarkFilter* aFilter,const TDesC & aDatabaseUri )

// Get a list of Landmarks/catgeories from  Database asynchronously based on filter.

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

//

EXPORT_C void CLandmarkService::GetListL( TInt32 aTransactionId,

		CLandmarkFilter& aFilter, const TDesC& aDatabaseUri )

	{

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::GetListL: Landmark: Async"));

#endif

	CLandmarkHandler* handler = iManageHandler->GetHandlerL(aDatabaseUri);

	if ( !handler )

		{

		handler = iManageHandler->CreateHandlerL(aDatabaseUri);

		}

	//Leave if observer has not been set for the async call.

	if ( !iObserver )

		{

		User::Leave(KErrGeneral);

		}

	if ( !iManageObjects )

		{

		iManageObjects = CLandmarkManageObjects::NewL();

		}

	if ( aFilter.IsLandmark() )

		{

		CLandmarkCmdBase* getLm = CLandmarkCmdGetLandmarks::NewLC(iObserver,

				iManageObjects);

		getLm->StartL(handler,aTransactionId,aFilter);

		iManageObjects->AppendL(getLm);

		CleanupStack::Pop(getLm);

#ifdef _DEBUG

		iLog.Write(_L("CLandmarkService::GetListL: Landmark: Async: Exit"));

#endif

		}

	else

		{

		CLandmarkCmdBase* getCat = CLandmarkCmdGetCategories::NewLC(iObserver,

				iManageObjects);

		getCat->StartL(handler,aTransactionId,aFilter);

		iManageObjects->AppendL(getCat);

		CleanupStack::Pop(getCat);

#ifdef _DEBUG

		iLog.Write(_L("CLandmarkService::GetListL: Category: Async: Exit"));

#endif

		}

	}

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

// CLandmarkService::AddItemL( CPosLandmark& aLandmark,const TDesC& aDatabaseUri)

// Adds a landmark to the given database.

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

//

EXPORT_C TPosLmItemId CLandmarkService::AddItemL( CPosLandmark& aLandmark,

		const TDesC& aDatabaseUri )

	{

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::AddItemL: Landmark"));

#endif

	CLandmarkHandler* handler = iManageHandler->GetHandlerL(aDatabaseUri);

	if ( !handler )

		{

		handler = iManageHandler->CreateHandlerL(aDatabaseUri);

		}

	CPosLandmarkDatabase* db = handler->LandmarkDatabaseHandle();

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::AddItemL: Landmark:Exit"));

#endif

	return db->AddLandmarkL(aLandmark);

	}

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

// CLandmarkService::AddItemL( CPosLandmarkCategory& aCategory,const TDesC& aDatabaseUri )

// Adds a landmark category to the given database.

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

//

EXPORT_C TPosLmItemId CLandmarkService::AddItemL( CPosLandmarkCategory& aCategory,

		const TDesC& aDatabaseUri )

	{

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::AddItemL: Category"));

#endif

	CLandmarkHandler* handler = iManageHandler->GetHandlerL(aDatabaseUri);

	if ( !handler )

		{

		handler = iManageHandler->CreateHandlerL(aDatabaseUri);

		}

	CPosLmCategoryManager* cat = handler->CategoryManagerHandle();

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::AddItemL: Category: Exit"));

#endif 

	return cat->AddCategoryL(aCategory);

	}

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

// CLandmarkService::AddItemL( CPosLandmarkCategory& aCategory,const TDesC& aDatabaseUri )

// Adds a landmark category to the given database.

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

//

EXPORT_C void CLandmarkService::AddItemL( const TDesC& aDatabaseUri )

	{

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::AddItemL: Database"));

#endif

	HPosLmDatabaseInfo* dbInfo = HPosLmDatabaseInfo::NewLC(aDatabaseUri);

	if ( ELocalDatabase == GetDbTypeFromUri ( aDatabaseUri ) )

		{

		iDatabaseManager->CreateDatabaseL(*dbInfo);

		}

	else

		{

		iDatabaseManager->RegisterDatabaseL(*dbInfo);

		}

	CleanupStack::PopAndDestroy(dbInfo);

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::AddItemL: Database: Exit"));

#endif    

	}

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

// CLandmarkService::UpdateItemL( const CPosLandmark& aLandmark,

//    const TDesC& aDatabaseUri )

// Updates a landmark in the given database.

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

//

EXPORT_C void CLandmarkService::UpdateItemL( const CPosLandmark& aLandmark,

		const TDesC& aDatabaseUri )

	{

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::UpdateItemL: Landmark"));

#endif

	CLandmarkHandler* handler = iManageHandler->GetHandlerL(aDatabaseUri);

	if ( !handler )

		{

		handler = iManageHandler->CreateHandlerL(aDatabaseUri);

		}

	CPosLandmarkDatabase* db = handler->LandmarkDatabaseHandle();

	db->UpdateLandmarkL(aLandmark);

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::UpdateItemL: Landmark:Exit"));

#endif    

	}

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

// CLandmarkService::UpdateItemL( const CPosLandmarkCategory& aCategory,

//    const TDesC& aDatabaseUri )

// Updates a landmark Category in the given database.

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

//

EXPORT_C void CLandmarkService::UpdateItemL( const CPosLandmarkCategory& aCategory,

		const TDesC& aDatabaseUri )

	{

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::UpdateItemL: Category"));

#endif

	CLandmarkHandler* handler = iManageHandler->GetHandlerL(aDatabaseUri);

	if ( !handler )

		{

		handler = iManageHandler->CreateHandlerL(aDatabaseUri);

		}

	CPosLmCategoryManager* cat = handler->CategoryManagerHandle();

	cat->UpdateCategoryL(aCategory);

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::UpdateItemL: Category; Exit"));

#endif    

	}

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

// CLandmarkService::UpdateItemL( TPosLmDatabaseSettings aSettings, const TDesC& aDatabaseUri )

// Updates the database information in the given database.

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

//

EXPORT_C void CLandmarkService::UpdateItemL( TPosLmDatabaseSettings aSettings,

		const TDesC& aDatabaseUri )

	{

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::UpdateItemL: Database"));

#endif

	//while modifying database settings drive letter in database uri 

	//should always be specified in uppercase.

	HBufC* dburi = aDatabaseUri.AllocLC();

	//set modifiable pointer.

	TPtr modifyuri = dburi->Des();

	TInt offset = aDatabaseUri.Find(KProtocolSeparator);

	if(offset>=0)

		{

		//get drive letter

		TChar drive = modifyuri[offset+KProtocolSeparator.iTypeLength];

		//make drive uppercase.

		drive.UpperCase();

		modifyuri[offset+KProtocolSeparator.iTypeLength] = drive;

		}

	else

		{

		//get drive letter at index-0

		TChar drive = modifyuri[0];

		//make drive uppercase.

		drive.UpperCase();

		modifyuri[0] = drive;

		}

	iDatabaseManager->ModifyDatabaseSettingsL(*dburi,aSettings);

	CleanupStack::PopAndDestroy(dburi);

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::UpdateItemL: Database: Exit"));

#endif    

	}

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

// CLandmarkService::LandmarkLC( const TPosLmItemId& aLandmarkId,

//    const TDesC& aDatabaseUri  )

// Retrieves a landmark from the database.

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

//

EXPORT_C CPosLandmark* CLandmarkService::LandmarkLC( const TPosLmItemId& aLandmarkId,

		const TDesC& aDatabaseUri ) const

	{

	CPosLandmark* landmark = NULL;

	CleanupStack::PushL(landmark);

	CLandmarkHandler* handler = iManageHandler->GetHandlerL(aDatabaseUri);

	if ( !handler )

		{

		handler = iManageHandler->CreateHandlerL(aDatabaseUri);

		}

	CPosLandmarkDatabase* db = handler->LandmarkDatabaseHandle();

	CPosLmItemIterator* iterator = db->LandmarkIteratorL();

	CleanupStack::PushL(iterator);

	TPosLmItemId lmId;

	while ( (lmId = iterator->NextL()) != KPosLmNullItemId )

		{

		if ( aLandmarkId == lmId )

			{

			CleanupStack::PopAndDestroy(iterator);

			CleanupStack::Pop(landmark);

			return db->ReadLandmarkLC(lmId);

			}

		}

	CleanupStack::PopAndDestroy(iterator);

	return landmark;

	}

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

// CLandmarkService::CategoryLC( const TPosLmItemId& aCategoryId,

//    const TDesC& aDatabaseUri  )

// Retrieves a category from the database.

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

//

EXPORT_C CPosLandmarkCategory* CLandmarkService::CategoryLC(

		const TPosLmItemId& aCategoryId, const TDesC& aDatabaseUri ) const

	{

	CPosLandmarkCategory* category = NULL;

	CleanupStack::PushL(category);

	CLandmarkHandler* handler = iManageHandler->GetHandlerL(aDatabaseUri);

	if ( !handler )

		{

		handler = iManageHandler->CreateHandlerL(aDatabaseUri);

		}

	CPosLmCategoryManager* cat = handler->CategoryManagerHandle();

	CPosLmItemIterator* iterator = cat->CategoryIteratorL();

	CleanupStack::PushL(iterator);

	TPosLmItemId catId;

	while ( (catId = iterator->NextL()) != KPosLmNullItemId )

		{

		if ( aCategoryId == catId )

			{

			CleanupStack::PopAndDestroy(iterator);

			CleanupStack::Pop(category);

			return cat->ReadCategoryLC(catId);

			}

		}

	CleanupStack::PopAndDestroy(iterator);

	return category;

	}

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

// CLandmarkService::RemoveItemL( TPosLmItemId aItemId,

//    TBool aItemIsLandmark, const TDesC& aDatabaseUri )

// Removes a landmark/ landmark category from the given database

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

//

EXPORT_C void CLandmarkService::RemoveItemL( TPosLmItemId aItemId,

		TPosItem aItemIsLandmark, const TDesC& aDatabaseUri )

	{

#ifdef _DEBUG

	iLog.Write(_L("CLandmarkService::RemoveItemL"));

#endif

	CLandmarkHandler* handler = iManageHandler->GetHandlerL(aDatabaseUri);

	if ( !handler )

		{

		handler = iManageHandler->CreateHandlerL(aDatabaseUri);

		}

	if ( aItemIsLandmark )

		{

		CPosLandmarkDatabase* db = handler->LandmarkDatabaseHandle();

		db->RemoveLandmarkL(aItemId);

		}

	else

		{

		CPosLmCategoryManager* cat = handler->CategoryManagerHandle();