/*

* 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 "AMDownloaddb.h"

#include "debug.h"

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

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

//  CAMDownloaddb::NewL()

//  Creates a new instance of CAMDownloaddb object.

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

// 

CAMDownloaddb* CAMDownloaddb::NewL()

    {

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

    CAMDownloaddb* self = CAMDownloaddb::NewLC();

    CleanupStack::Pop(self);

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

    return self;

    }

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

//  CAMDownloaddb::NewLC()

//  Creates a new instance of CAMDownloaddb object. 

//  Pushes and leaves new instance onto CleanupStack.

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

// 

CAMDownloaddb* CAMDownloaddb::NewLC()

    {

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

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

    CleanupStack::PushL(self);

    self->ConstructL();

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

    return self;

    }

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

//  CAMDownloaddb::ConstructL()

//  Second phase constructor.

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

// 

void CAMDownloaddb::ConstructL()

    {

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

    TParse name;

    TInt err;

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

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

    iFsSession.SetSessionToPrivate(EDriveC);

#ifdef SYMBIAN_SECURE_DBMS

    name.Set(KAMDownloaddbName, NULL, NULL);

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

#else

    name.Set( KAMDownloaddbName, KNonSecureDbFullName, NULL );

    err = iDatabase.Open(iRdbSession, DBFileName);

#endif

    if (err == KErrNotFound)

        {

        CreateandOpenL(name);

        }

    else

        {

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

                == KErrArgument ))

            {

            // something seriously wrong with the db, delete it and try 

            // to create new

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

            CreateandOpenL(name);

            }

        }

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

    }

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

// CWPInternetAPDB::CreateandOpenL

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

//    

void CAMDownloaddb::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 CAMDownloaddb::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, EDbColInt32));

    // Create a table

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

    ;

    if (err!=KErrNone)

        User::Leave(err);

    // cleanup the column set

    CleanupStack::PopAndDestroy(columns);

    }

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

//  CAMDownloaddb::CAMDownloaddb()

//  Constructor.

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

// 

CAMDownloaddb::CAMDownloaddb()

    {

    RDEBUG("CAMDownloaddb::CAMDownloaddb(): begin");

    RDEBUG("CAMDownloaddb::CAMDownloaddb(): end");

    }

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

//  CAMDownloaddb::~CAMDownloaddb()

//  Destructor.

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

// 

CAMDownloaddb::~CAMDownloaddb()

    {

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

    iView.Close();

    delete iColSet;

    iAMObjectTable.Close();

    iDatabase.Close();

    iFsSession.Close();

    iRdbSession.Close();

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

    }

CAMDbItem::~CAMDbItem()

    {

    delete iTargetURI;

    }

void CAMDownloaddb::GetEntryForLUIDL(RPointerArray<CAMDbItem>& aItemArray,

        TDesC& aValue)

    {

    RDEBUG( "CAMDownloaddb::GetEntryForLUIDL: Step1" );

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

    _LIT(KEqualToString,"=%d");

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

    RDEBUG( "CAMDownloaddb::GetEntryForLUIDL: Step2" );

    TBuf<100> bufsql;

    bufsql.Append(KQuery);

    bufsql.Append(KEqualToString);

    TLex lex(aValue);

    RDEBUG( "CAMDownloaddb::GetEntryForLUIDL: Step3" );

    TInt value;

    lex.Val(value);

    TBuf<100> bufsql1;

    bufsql1.Format(bufsql, &KTableAMMgmtObject, &NCol2, value);

    RDEBUG( "CAMDownloaddb::GetEntryForLUIDL: Step4" );

    ReadItemsL(aItemArray, bufsql1);

    RDEBUG( "CAMDownloaddb::GetEntryForLUIDL: Step5" );

    }

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

// CWPInternetAPDB::ReadDbItemsL

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

//   

void CAMDownloaddb::ReadDbItemsL(RPointerArray<CAMDbItem>& aItemArray)

    {

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

    TFileName sqlQuery;

    // just get all columns & rows of same originator

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

    sqlQuery.Append(KTableAMMgmtObject);

    ReadItemsL(aItemArray, sqlQuery);

    }

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

// CWPInternetAPDB::ReadItemsL

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

// 

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

        TDesC& asqlQuery)

    {

    RDEBUG( "CAMDownloaddb::ReadItemsL: Step1" );

    RDbView view;

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

    CleanupClosePushL(view);

    view.EvaluateAll();

    view.FirstL();

    while (view.AtRow())

        {

        view.GetL();

        CAMDbItem *dbitem = new(ELeave) CAMDbItem;

        CleanupStack::PushL(dbitem);

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

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

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

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

        dbitem->iapid = view.ColInt(5);

        CleanupStack::Pop(dbitem);

        view.NextL();

        }

    CleanupStack::PopAndDestroy(); // view

    }

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

// CWPInternetAPDB::SaveToDatabaseL

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

//   

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

        TInt aResult, const TDesC8& aTargetURI, TUint32 aIapid)

    {

    iDatabase.Begin();

    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, aResult);

    view.SetColL(4, aTargetURI);

    view.SetColL(5, aIapid);

    view.PutL();

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

    CleanupStack::PopAndDestroy(1); // view

    iDatabase.Commit();

    }

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

// CWPInternetAPDB::DeleteFromDatabaseL

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

//

TBool CAMDownloaddb::DeleteFromDatabaseL(TUint32 aLUID)

    {

    TBool rowsdeleted = EFalse;

    TFileName sqlQuery;

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

    sqlQuery.Append(KTableAMMgmtObject);

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

    sqlQuery.Append(NCol2);

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

    sqlQuery.AppendNum(aLUID);

    iDatabase.Begin();

    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();

            }

        iDatabase.Commit();

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

        iDatabase.Compact();

        rowsdeleted = ETrue;

        }

    CleanupStack::PopAndDestroy(1); // view

    return rowsdeleted;

    }