/*

* Copyright (c) 2009 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:  Implementation of applicationmanagement components

 *

*/

// INCLUDE FILES

#include <sysutil.h>

#include <bautils.h>

#include "omascomoadapterdb.h"

#include "debug.h"

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

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

//  CSCOMOAdapterDb::NewL()

//  Creates a new instance of CSCOMOAdapterDb object.

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

// 

CSCOMOAdapterDb* CSCOMOAdapterDb::NewL()

    {

    RDEBUG("CSCOMOAdapterDb::NewL(): begin");

    CSCOMOAdapterDb* self = CSCOMOAdapterDb::NewLC();

    CleanupStack::Pop(self);

    RDEBUG("CSCOMOAdapterDb::NewL(): end");

    return self;

    }

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

//  CSCOMOAdapterDb::NewLC()

//  Creates a new instance of CSCOMOAdapterDb object. 

//  Pushes and leaves new instance onto CleanupStack.

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

// 

CSCOMOAdapterDb* CSCOMOAdapterDb::NewLC()

    {

    RDEBUG("CSCOMOAdapterDb::NewLC(): begin");

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

    CleanupStack::PushL(self);

    self->ConstructL();

    RDEBUG("CSCOMOAdapterDb::NewLC(): end");

    return self;

    }

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

//  CSCOMOAdapterDb::ConstructL()

//  Second phase constructor.

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

// 

void CSCOMOAdapterDb::ConstructL()

    {

    RDEBUG("CSCOMOAdapterDb::ConstructL(): begin");

    TParse name;

    TInt err;

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

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

    iFsSession.SetSessionToPrivate(EDriveC);

#ifdef SYMBIAN_SECURE_DBMS

    name.Set(KAMAdapterDbName, NULL, NULL);

    err = iDatabase.Open(iRdbSession, name.FullName(), KDBMSSecureID);

#else

    name.Set( KAMAdapterDbName, KNonSecureDbFullName, NULL );

    err = iDatabase.Open(iRdbSession, DBFileName);

#endif

    if (err == KErrNotFound)

        {

        CreateandOpenL(name);

        }

    else

        {

        if ( (err == KErrEof ) || (err == KErrCorrupt ) || (err

                == KErrArgument ))

            {

            iRdbSession.DeleteDatabase(name.FullName(), KAMPolicyUID);

            CreateandOpenL(name);

            }

        }

    RDEBUG("CSCOMOAdapterDb::ConstructL(): end");

    }

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

// CWPInternetAPDB::CreateandOpenL

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

//    

void CSCOMOAdapterDb::CreateandOpenL(TParse& name)

    {

    TInt err;

#ifdef SYMBIAN_SECURE_DBMS

    iDatabase.Create(iRdbSession, name.FullName(), KDBMSSecureID);

#else

    if( SysUtil::FFSSpaceBelowCriticalLevelL( &iFsSession, KEmptyDbSizeEstimate ) )

        {

        User::Leave( KErrDiskFull );

        }

    iDatabase.Create(iFsSession, name.FullName());

#endif	

    CreateTableL(iDatabase);

    iDatabase.Close();

#ifdef SYMBIAN_SECURE_DBMS

    err = iDatabase.Open(iRdbSession, name.FullName(), KDBMSSecureID);

#else

    err = iDatabase.Open(iFsSession, DBFileName);

#endif

    //Debug

    if (err != KErrNone)

        {

        User::LeaveIfError(err);

        }

    }

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

// CWPInternetAPDB::CreateTableL

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

//  

void CSCOMOAdapterDb::CreateTableL(RDbDatabase& aDatabase)

    {

    // Create a table definition

    CDbColSet* columns=CDbColSet::NewLC();

    // Add Columns

    TDbCol id(NCol1, EDbColInt32);

    // automatic indexing for items,it is our key field.

    id.iAttributes=id.EAutoIncrement;

    columns->AddL(id);

    columns->AddL(TDbCol(NCol2, EDbColInt32));

    columns->AddL(TDbCol(NCol3, EDbColInt32));

    columns->AddL(TDbCol(NCol4, EDbColText8, 255));

    columns->AddL(TDbCol(NCol5, EDbColText8, 255));

    columns->AddL(TDbCol(NCol6, EDbColText8, 255));

    columns->AddL(TDbCol(NCol7, EDbColInt32));

    //possibility of Panic 

    // Create a table

    TRAPD(err, aDatabase.CreateTable(KTableAMMgmtObject, *columns) );

    if(err!=KErrNone)

    User::Leave(err);

    // cleanup the column set

    CleanupStack::PopAndDestroy(columns);

    }

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

//  CSCOMOAdapterDb::CSCOMOAdapterDb()

//  Constructor.

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

// 

CSCOMOAdapterDb::CSCOMOAdapterDb()

    {

    RDEBUG("CSCOMOAdapterDb::CSCOMOAdapterDb(): begin");

    RDEBUG("CSCOMOAdapterDb::CSCOMOAdapterDb(): end");

    }

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

//  CSCOMOAdapterDb::~CSCOMOAdapterDb()

//  Destructor.

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

// 

CSCOMOAdapterDb::~CSCOMOAdapterDb()

    {

    RDEBUG("CSCOMOAdapterDb::~CSCOMOAdapterDb(): begin");

    iView.Close();

    delete iColSet;

    iAMObjectTable.Close();

    iDatabase.Close();

    iFsSession.Close();

    iRdbSession.Close();

    RDEBUG("CSCOMOAdapterDb::~CSCOMOAdapterDb(): ends");

    }

CAMDbItem::~CAMDbItem()

    {

    delete iServerID;

    delete iCorrelator;

    delete iSourceURI;

    }

void CSCOMOAdapterDb::GetEntryForServerIDL(RPointerArray<CAMDbItem>& aItemArray,

        TDesC8& aValue)

    {

    aItemArray.Reset();// first reset the array

    _LIT(KEqualToString,"='%S'");

    _LIT(KQuery, "SELECT * FROM %S WHERE %S");

    TBuf<256> serverid;

    serverid.Copy(aValue);

    TBuf<100> bufsql;

    bufsql.Append(KQuery);

    bufsql.Append(KEqualToString);

    TBuf<100> bufsql1;

    bufsql1.Format(bufsql, &KTableAMMgmtObject, &NCol4, &serverid);

    ReadItemsL(aItemArray, bufsql1);

    }

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

// CWPInternetAPDB::ReadItemsL

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

// 

void CSCOMOAdapterDb::ReadItemsL(RPointerArray<CAMDbItem>& aItemArray,

        TDesC& aSqlQuery)

    {

    RDbView view;

    view.Prepare(iDatabase, TDbQuery(aSqlQuery));

    CleanupClosePushL(view);

    view.EvaluateAll();

    view.FirstL();

    while (view.AtRow())

        {

        view.GetL();

        CAMDbItem *dbitem = new(ELeave) CAMDbItem;

        dbitem->id = view.ColInt(1);

        dbitem->iLUID = view.ColInt(2);

        dbitem->iProfileId = view.ColInt(3);

        dbitem->iServerID = (view.ColDes8(4)).AllocL();

        dbitem->iCorrelator = (view.ColDes8(5)).AllocL();

        dbitem->iSourceURI = (view.ColDes8(6)).AllocL();

        dbitem->iRetryCount = view.ColInt(7);

        aItemArray.Append(dbitem);

        view.NextL();

        }

    CleanupStack::PopAndDestroy(); // view

    }

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

// CWPInternetAPDB::SaveToDatabaseL

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

//   

void CSCOMOAdapterDb::SaveToDatabaseL(TInt& aIndex, TUint32 aLuid,

        TInt aProfileid, TInt aRetryCount, const TDesC8& aSourceURI,

        const TDesC8& aServerid, const TDesC8& aCorrelator)

    {

    BeginDatabaseTransaction();

    TFileName sqlQuery;

    sqlQuery.Copy(_L("SELECT * FROM "));

    sqlQuery.Append(KTableAMMgmtObject);

    RDbView view;

    view.Prepare(iDatabase, TDbQuery(sqlQuery));

    CleanupClosePushL(view);

    view.InsertL();

    view.SetColL(2, aLuid);

    view.SetColL(3, aProfileid);

    view.SetColL(4, aServerid);

    view.SetColL(5, aCorrelator);

    view.SetColL(6, aSourceURI);

    view.SetColL(7, aRetryCount);

    view.PutL();

    aIndex = view.ColInt(1);// autoincrement gives us unique index.

    CleanupStack::PopAndDestroy(1); // view

    CommitDatabaseTransaction();

    }

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

// CWPInternetAPDB::DeleteFromDatabaseL

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

//

TBool CSCOMOAdapterDb::DeleteFromDatabaseL(TUint32 aLuid)

    {

    TBool rowsdeleted = EFalse;

    TFileName sqlQuery;

	PrepareLuidQuery(aLuid, sqlQuery);

    BeginDatabaseTransaction();

    RDbView view;

    // query buffer with index finds only the selected item row.

    view.Prepare(iDatabase, TDbQuery(sqlQuery));

    CleanupClosePushL(view);

    view.EvaluateAll();

    view.FirstL();

    if (!view.IsEmptyL())

        {

        // we have autoincrement in index so it should be unique

        // but just to make sure, we use 'while', instead of 'if'

        while (view.AtRow())

            {

            view.GetL();

            view.DeleteL();

            view.NextL();

            }

        CommitDatabaseTransaction();

        // compacts the databse, by physically removig deleted data.

        iDatabase.Compact();

        rowsdeleted = ETrue;

        }

    CleanupStack::PopAndDestroy(1); // view

    return rowsdeleted;

    }

void CSCOMOAdapterDb::UpdateRetryCountForLuidL(TInt aLuid, TInt aRetryCount)

{

	TFileName sqlQuery;

	PrepareLuidQuery(aLuid, sqlQuery);

	BeginDatabaseTransaction();

	RDbView view;

	view.Prepare(iDatabase, TDbQuery(sqlQuery));

	CleanupClosePushL(view);

	view.EvaluateAll();

	view.FirstL();

	if(view.AtRow())            

	{			

		view.UpdateL();

		view.SetColL(7, aRetryCount);		

		view.PutL();

	}

	CleanupStack::PopAndDestroy(1); // view

    CommitDatabaseTransaction();

}

TInt CSCOMOAdapterDb::GetRetryCountForLuidL(TInt aLuid)

{

    TInt retrycount = KErrNone;

	TFileName sqlQuery;

    PrepareLuidQuery(aLuid, sqlQuery);

    BeginDatabaseTransaction();

    RDbView view;

    view.Prepare(iDatabase, TDbQuery(sqlQuery));

    CleanupClosePushL(view);

    view.EvaluateAll();

    view.FirstL();

    if (!view.IsEmptyL())

    {

    if(view.AtRow())            

	{

    view.GetL();

	}

    retrycount = view.ColInt(7);

    }

	CleanupStack::PopAndDestroy(1); // view

	CommitDatabaseTransaction();

	return retrycount;    

}

void CSCOMOAdapterDb::PrepareLuidQuery(TInt aLuid, TDes& aSqlQuery)

{

	aSqlQuery.Copy(_L("SELECT * FROM "));

    aSqlQuery.Append(KTableAMMgmtObject);

    aSqlQuery.Append(_L(" WHERE "));

    aSqlQuery.Append(NCol2);

    aSqlQuery.Append(_L(" = "));

    aSqlQuery.AppendNum(aLuid);

}

void CSCOMOAdapterDb::BeginDatabaseTransaction()

{

	iDatabase.Begin();

}

void CSCOMOAdapterDb::CommitDatabaseTransaction()

{

	iDatabase.Commit();

}