/*

* 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:  ESMR mrinfo calendar entry retriever implementation

*

*/

#include "emailtrace.h"

#include "cesmrimapicalretriever.h"

#include "cesmrimapmailfetcher.h"

#include "tesmrinputparams.h"

#include "esmricalviewerutils.h"

#include "esmrconfig.hrh"

//<cmail>

#include "cfsmailclient.h"

#include "cfsmailbox.h"

#include "cfsmailmessage.h"

#include "cfsmailmessagepart.h"

#include "cfsmailcommon.h"

#include "cesmragnexternalinterface.h"

#include "esmricalvieweropcodes.hrh"

//</cmail>

//<cmail> hardcoded paths removal

#include "esmrhelper.h"

//</cmail>

#include <calentry.h>

#include <caluser.h>

#include <calalarm.h>

#include <s32file.h>

#include <eikenv.h>

// Unnamed namespace for local definitions

namespace {

// Mime type literal for text/calendar

_LIT8(  KTextCalendar8,  "text/calendar" );

// Literal for received ics filename

//<cmail> hard coded path removal, store goes to process's own private directory

//	  "c:\\temp\\tempreceived.ics" ); //codescanner::driveletters

_LIT( KTempReceivedIcsFileName, "temp\\tempreceived.ics" );

//</cmail>

// Definition for temporary folder

//<cmail> hard coded path removal, store goes to process's own private directory

//_LIT( KTempFolder, "c:\\temp\\" ); //codescanner::driveletters

//</cmail>

// Definition for first position

const TInt KFirstPos(0);

/**

 * Cleanup operations for RPointerArray.

 *

 * @param aArray Pointer to RPointerArray.

 */

void CalEntryPointerArrayCleanup( TAny* aArray )

    {

    RPointerArray<CCalEntry>* entryArray =

        static_cast<RPointerArray<CCalEntry>*>( aArray );

    entryArray->ResetAndDestroy();

    entryArray->Close();

    }

}//namespace

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

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

// CESMRImapIcalRetriever::CESMRImapIcalRetrieverCmd

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

//

CESMRImapIcalRetrieverCmd::CESMRImapIcalRetrieverCmd(

        CCalSession& aCalSession,

        CFSMailClient& aMailClient,

        TESMRInputParams& aInputParameters )

:   CESMRIcalViewerAsyncCommand( EESMRLoadMRIcalData, aCalSession ),

    iMailClient( aMailClient ),

    iInputParameters( aInputParameters )

    {

    FUNC_LOG;

    iResult.iResultCode = KErrNone;

    iResult.iOpType = OperationType();

    }

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

// CESMRImapIcalRetriever::~CESMRImapIcalRetrieverCmd

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

//

CESMRImapIcalRetrieverCmd::~CESMRImapIcalRetrieverCmd()

    {

    FUNC_LOG;

    CancelCommand();

    delete iCalImporter;

    delete iMailFetcher;

    delete iConvertedEntry;

    delete iIcsFilename;

    }

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

// CESMRImapIcalRetriever::NewL

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

//

CESMRImapIcalRetrieverCmd* CESMRImapIcalRetrieverCmd::NewL(

        CCalSession& aCalSession,

        CFSMailClient& aMailClient,

        TESMRInputParams& aInputParameters )

    {

    FUNC_LOG;

    CESMRImapIcalRetrieverCmd* self =

            new (ELeave) CESMRImapIcalRetrieverCmd(

                    aCalSession,

                    aMailClient,

                    aInputParameters );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CESMRImapIcalRetriever::ConstructL

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

//

void CESMRImapIcalRetrieverCmd::ConstructL()

    {

    FUNC_LOG;

    BaseConstructL();

    TFileName fileName(KTempReceivedIcsFileName);

    User::LeaveIfError(ESMRHelper::CreateAndAppendPrivateDirToFileName(fileName));

    iIcsFilename = fileName.AllocL();

    }

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

// CESMRImapIcalRetriever::ExecuteAsyncCommandL

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

//

void CESMRImapIcalRetrieverCmd::ExecuteAsyncCommandL()

    {

    FUNC_LOG;

    delete iCalImporter; iCalImporter = NULL;

    delete iMailFetcher; iMailFetcher = NULL;

    iCalImporter = CESMRAgnExternalInterface::NewL( KTextCalendar8 );

    iMailFetcher = CESMRImapMailFetcherCmd::NewL(

            iMailClient ,

            CalSession() );

    // Ensure mesasge is fetched to device

    // Completion is noticed via observer

    iMailFetcher->ExecuteCommandL(

            *Message(),

            *this );

    }

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

// CESMRImapIcalRetriever::CancelAsyncCommand

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

//

void CESMRImapIcalRetrieverCmd::CancelAsyncCommand()

    {

    FUNC_LOG;

    if ( iMailFetcher )

        {

        iMailFetcher->CancelCommand();

        }

    }

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

// CESMRImapIcalRetriever::AgnImportErrorL

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

//

MESMRAgnImportObserver::TImpResponse CESMRImapIcalRetrieverCmd::AgnImportErrorL(

        MESMRAgnImportObserver::TImpError /*aType*/,

        const TDesC8& /*aUid*/,

        const TDesC& /*aContext*/)

    {

    FUNC_LOG;

    // Ignore error and continue processing

    return MESMRAgnImportObserver::EImpResponseContinue;

    }

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

// CESMRImapIcalRetrieverCmd::OperationCompleted

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

//

void CESMRImapIcalRetrieverCmd::OperationCompleted(

        MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )

    {

    FUNC_LOG;

    if ( aResult.iOpType == EESMRFetchMailContent )

        {

        TRAPD( error, HandleMailContentL() );

        if ( error != KErrNone ||

             !iInputParameters.iCalEntry )

            {

            aResult.iOpType = OperationType();

            aResult.iResultCode = KErrNotSupported;

            Observer()->OperationError( aResult );

            }

        else

            {

            aResult.iOpType = OperationType();

            Observer()->OperationCompleted( aResult );

            }

        }

    else

        {

        aResult.iOpType = OperationType();

        aResult.iResultCode = KErrNotSupported;

        Observer()->OperationError( aResult );

        }

    }

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

// CESMRImapIcalRetrieverCmd::HandleMailContentL

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

//

void CESMRImapIcalRetrieverCmd::HandleMailContentL()

    {

    FUNC_LOG;

    CFSMailMessage* msg = Message();

    // Fetch own pointer email message, because message structure is

    // not necessarily up to date

    CFSMailMessage* message =

            iMailClient.GetMessageByUidL(

                    msg->GetMailBoxId(),

                    msg->GetFolderId(),

                    msg->GetMessageId(),

                    EFSMsgDataStructure );

    CleanupStack::PushL( message );

    CFSMailMessagePart* calendarPart = ESMRIcalViewerUtils::LocateCalendarPartL( *message );

    if ( !calendarPart )

        {

        // message does not contain calendar part at all

        iResult.iResultCode = KErrNotFound;

        User::Leave( KErrNotFound );

        }

    CleanupStack::PushL( calendarPart );

    CreateEntryL( *calendarPart, *msg );

    iInputParameters.iCalEntry = iConvertedEntry;

    iCalendarPartId = calendarPart->GetPartId();

    CleanupStack::PopAndDestroy( calendarPart );

    CleanupStack::PopAndDestroy( message );

    }

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

// CESMRImapIcalRetrieverCmd::OperationError

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

//

void CESMRImapIcalRetrieverCmd::OperationError(

        MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )

    {

    FUNC_LOG;

    iResult.iResultCode = aResult.iResultCode;

    Observer()->OperationError( iResult );

    }

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

// CESMRImapIcalRetriever::CreateEntryL

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

//

void CESMRImapIcalRetrieverCmd::CreateEntryL(

        CFSMailMessagePart& aMessagePart,

        CFSMailMessage& aMsg)

    {

    FUNC_LOG;

    delete iConvertedEntry; iConvertedEntry = NULL;

    aMessagePart.CopyContentFileL( *iIcsFilename );

    //set up calendar session; just creating and deleting these leads to memory

    //and handle leaks.

    RFs& rfs( CEikonEnv::Static()->FsSession() );// codescanner::eikonenvstatic

    RFileReadStream fileStream;

    fileStream.PushL();

    User::LeaveIfError( fileStream.Open( rfs, *iIcsFilename, EFileRead)); //<cmail>

    RPointerArray<CCalEntry> entries;

    CleanupStack::PushL(

            TCleanupItem(

                CalEntryPointerArrayCleanup,

                &entries    ) );

    // Replaced with internal ical module

    TRAPD( err, iCalImporter->ImportL(

                        entries,

                        fileStream,

                        0,

                        *this ) );

    User::LeaveIfError( err );

    TInt entryCount( entries.Count() );

    if ( !entryCount )

        {

        // There are no entries to be processed

        User::Leave( KErrNotSupported );

        }

    // Only the first entry is processed --> Others are discarded.

    iConvertedEntry = entries[ KFirstPos ];

    entries.Remove( KFirstPos );

    CleanupStack::PopAndDestroy( &entries );

    CleanupStack::PopAndDestroy( &fileStream );

    //If there is no organizer (special case for some Exchange servers)

    //we need to add mail sender as organizer

    if(!iConvertedEntry->OrganizerL())

        {

        CFSMailAddress* sender = aMsg.GetSender();

        if(sender)

            {

            CCalUser* organizer = CCalUser::NewL( sender->GetEmailAddress() );

            CleanupStack::PushL(organizer);

            organizer->SetCommonNameL( sender->GetDisplayName() );

            iConvertedEntry->SetOrganizerL(organizer);

            CleanupStack::Pop( organizer ); // Ownership trasferred

            }

        }

    }

// EOF