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/*
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Responsible for interation with the category tables:
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* Artist, Album, Genre and Composer
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*
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*/
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// INCLUDE FILES
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#include <sqldb.h>
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#include <mpxlog.h>
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#include "mpxdbcommonutil.h"
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#include "mpxdbcommondef.h"
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#include "mpxdbmanager.h"
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#include "mpxcollectiondbdef.h"
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#include "mpxmediamusicdefs.h"
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#include "mpxdbpluginqueries.h"
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#include "mpxdbutil.h"
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#include "mpxdbalbum.h"
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// CONSTANTS
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// maximum number of table name entries per query
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const TInt KMaxTableNameCount = 2;
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// ============================ MEMBER FUNCTIONS ==============================
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// ----------------------------------------------------------------------------
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// Two-phased constructor.
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// ----------------------------------------------------------------------------
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//
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CMPXDbAlbum* CMPXDbAlbum::NewL(
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CMPXDbManager& aDbManager,
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TMPXGeneralCategory aCategory,
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MMPXDbAlbumObserver& aObserver)
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{
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MPX_FUNC("CMPXDbAlbum::NewL");
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CMPXDbAlbum* self = CMPXDbAlbum::NewLC(aDbManager, aCategory, aObserver);
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CleanupStack::Pop(self);
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return self;
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}
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// ----------------------------------------------------------------------------
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// Two-phased constructor.
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// ----------------------------------------------------------------------------
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//
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CMPXDbAlbum* CMPXDbAlbum::NewLC(
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CMPXDbManager& aDbManager,
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TMPXGeneralCategory aCategory,
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MMPXDbAlbumObserver& aObserver)
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{
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MPX_FUNC("CMPXDbAlbum::NewLC");
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CMPXDbAlbum* self = new (ELeave) CMPXDbAlbum(aDbManager, aCategory, aObserver);
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CleanupStack::PushL(self);
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self->ConstructL();
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return self;
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}
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// ----------------------------------------------------------------------------
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// Destructor
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// ----------------------------------------------------------------------------
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//
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CMPXDbAlbum::~CMPXDbAlbum()
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{
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MPX_FUNC("CMPXDbAlbum::~CMPXDbAlbum");
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}
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// ----------------------------------------------------------------------------
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// Constructor
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// ----------------------------------------------------------------------------
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//
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CMPXDbAlbum::CMPXDbAlbum(
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CMPXDbManager& aDbManager,
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TMPXGeneralCategory aCategory,
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MMPXDbAlbumObserver& aObserver) :
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CMPXDbCategory(aDbManager, aCategory),
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iObserver(aObserver)
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{
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MPX_FUNC("CMPXDbAlbum::CMPXDbAlbum");
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}
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// ----------------------------------------------------------------------------
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// Second phase constructor.
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// ----------------------------------------------------------------------------
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//
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void CMPXDbAlbum::ConstructL()
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{
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MPX_FUNC("CMPXDbAlbum::ConstructL");
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BaseConstructL();
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}
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// ----------------------------------------------------------------------------
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// CMPXDbAlbum::AddItemL
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// ----------------------------------------------------------------------------
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//
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TUint32 CMPXDbAlbum::AddItemL(
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const TDesC& aName,
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TUint32 aArtist,
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const TDesC& aArt,
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TInt aDriveId,
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TBool& aNewRecord,
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TBool aCaseSensitive)
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{
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MPX_FUNC("CMPXDbAlbum::AddItemL");
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// try to find the item first
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TUint32 rowId(MPXDbCommonUtil::GenerateUniqueIdL(iDbManager.Fs(), iCategory,
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aName, aCaseSensitive));
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aNewRecord = !CategoryItemExistsL(aDriveId, rowId);
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if (aNewRecord)
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{
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// insert new
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HBufC* query = PreProcessStringLC(KQueryAlbumInsert);
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HBufC* name = MPXDbCommonUtil::ProcessSingleQuotesLC(aName);
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HBufC* art = MPXDbCommonUtil::ProcessSingleQuotesLC(aArt);
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iDbManager.ExecuteQueryL(aDriveId, *query, rowId, name, 1, aArtist, art);
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CleanupStack::PopAndDestroy(art);
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CleanupStack::PopAndDestroy(name);
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CleanupStack::PopAndDestroy(query);
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}
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else
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{
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// retrieve the existing record
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HBufC* query = NULL;
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query = PreProcessStringLC(KQueryCategoryItem);
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RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query, rowId));
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CleanupStack::PopAndDestroy(query);
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CleanupClosePushL(recordset);
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if (recordset.Next() != KSqlAtRow)
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{
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User::Leave(KErrNotFound);
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}
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// Artist
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TUint32 artistId = recordset.ColumnInt64(EAlbumArtist);
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// the current one is Unknown and the new one is Not Unknown.
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if ( IsUnknownArtistL( artistId ) && !IsUnknownArtistL( aArtist ) )
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{
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_LIT( KFormatArtistId, "Artist=%d" );
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HBufC* setStr = HBufC::NewLC(KFormatArtistId().Length() + KMCIntegerLen);
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setStr->Des().Format( KFormatArtistId, aArtist );
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iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, rowId);
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CleanupStack::PopAndDestroy(setStr);
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}
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// Album Art
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TPtrC art(KNullDesC);
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art.Set(MPXDbCommonUtil::GetColumnTextL(recordset, EAlbumArt));
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// the current one is Unknown and the new one is Not Unknown
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if ( art == KNullDesC && aArt != KNullDesC )
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{
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HBufC* artReplaceSingleQuote =
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MPXDbCommonUtil::ProcessSingleQuotesLC( aArt );
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_LIT( KFormatArt, "Art=\'%S\'" );
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HBufC* setStr = HBufC::NewLC(256);
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setStr->Des().Format( KFormatArt, artReplaceSingleQuote );
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iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, rowId);
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CleanupStack::PopAndDestroy(setStr);
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CleanupStack::PopAndDestroy(artReplaceSingleQuote);
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}
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CleanupStack::PopAndDestroy(&recordset);
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// increment the number of songs for the category
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query = PreProcessStringLC(KQueryCategoryIncrementSongCount);
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iDbManager.ExecuteQueryL(aDriveId, *query, rowId);
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CleanupStack::PopAndDestroy(query);
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}
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return rowId;
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}
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// ----------------------------------------------------------------------------
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// CMPXDbAlbum::DecrementSongsForCategoryL
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// ----------------------------------------------------------------------------
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//
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void CMPXDbAlbum::DecrementSongsForCategoryL(
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const TUint32 aId,
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TInt aDriveId,
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CMPXMessageArray* aItemChangedMessages,
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TBool& aItemExist,
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const TUint32 aArtist)
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{
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MPX_FUNC("CMPXDbAlbum::DecrementSongsForCategoryL");
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// if just one song uses this category. Use <= just in case
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if (GetSongsCountL(aDriveId, aId) <= 1)
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{
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aItemExist = EFalse;
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// delete the category
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DeleteCategoryL(aId, aDriveId);
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if (aItemChangedMessages)
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{
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// add the item changed message
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MPXDbCommonUtil::AddItemChangedMessageL(*aItemChangedMessages, aId, EMPXItemDeleted,
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iCategory, KDBPluginUid);
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}
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}
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else
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{
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aItemExist = ETrue;
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// retrieve the existing record
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HBufC* query = PreProcessStringLC(KQueryCategoryItem);
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RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query, aId));
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CleanupStack::PopAndDestroy(query);
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CleanupClosePushL(recordset);
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if (recordset.Next() != KSqlAtRow)
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{
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User::Leave(KErrNotFound);
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}
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TUint32 artistId = recordset.ColumnInt64(EAlbumArtist);
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CleanupStack::PopAndDestroy(&recordset);
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// the current artist is equal to deleted song's artist
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if ( artistId == aArtist )
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{
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TUint32 newArtistId = ArtistForAlbumL(aId);
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_LIT( KFormatArtistId, "Artist=%d" );
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HBufC* setStr = HBufC::NewLC(KFormatArtistId().Length() + KMCIntegerLen);
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setStr->Des().Format(KFormatArtistId, newArtistId);
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iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, aId);
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CleanupStack::PopAndDestroy(setStr);
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if (aItemChangedMessages)
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{
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// add the item changed message
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MPXDbCommonUtil::AddItemAlbumChangedMessageL(*aItemChangedMessages, aId, EMPXItemModified,
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EMPXAlbum, KDBPluginUid, ETrue, 0 );
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}
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}
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// decrement the number of songs for the category
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query = PreProcessStringLC(KQueryCategoryDecrementSongCount);
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iDbManager.ExecuteQueryL(aDriveId, *query, aId);
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CleanupStack::PopAndDestroy(query);
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}
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}
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// ----------------------------------------------------------------------------
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// CMPXDbAlbum::GetAllCategoryItemsL
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// ----------------------------------------------------------------------------
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//
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void CMPXDbAlbum::GetAllCategoryItemsL(
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const TArray<TMPXAttribute>& aAttrs,
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CMPXMediaArray& aMediaArray)
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{
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MPX_FUNC("CMPXDbAlbum::GetAllCategoryItemsL");
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HBufC* query = PreProcessStringLC(KQueryAlbumAll);
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RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query));
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CleanupStack::PopAndDestroy(query);
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CleanupClosePushL(recordset);
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ProcessRecordsetL(aAttrs, recordset, aMediaArray);
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CleanupStack::PopAndDestroy(&recordset);
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}
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// ----------------------------------------------------------------------------
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// CMPXDbAlbum::UpdateItemL
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// ----------------------------------------------------------------------------
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//
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void CMPXDbAlbum::UpdateItemL(
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TUint32 aId,
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const CMPXMedia& aMedia,
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TInt aDriveId,
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CMPXMessageArray* aItemChangedMessages)
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{
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MPX_FUNC("CMPXDbAlbum::UpdateItemL");
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CDesCArrayFlat* fields = new (ELeave) CDesCArrayFlat(EAlbumFieldCount);
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CleanupStack::PushL(fields);
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CDesCArrayFlat* values = new (ELeave) CDesCArrayFlat(EAlbumFieldCount);
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CleanupStack::PushL(values);
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// process the media parameter and construct the fields and values array
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GenerateAlbumFieldsValuesL(aMedia, *fields, *values);
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// construct the SET string
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HBufC* setStr = MPXDbCommonUtil::StringFromArraysLC(*fields, *values, KMCEqualSign, KMCCommaSign);
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if (setStr->Length())
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{
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// execute the query
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iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, aId);
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MPXDbCommonUtil::AddItemAlbumChangedMessageL(*aItemChangedMessages, aId, EMPXItemModified,
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EMPXAlbum, KDBPluginUid, ETrue, 0 );
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}
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CleanupStack::PopAndDestroy(setStr);
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CleanupStack::PopAndDestroy(values);
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CleanupStack::PopAndDestroy(fields);
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}
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// ----------------------------------------------------------------------------
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// CMPXDbAlbum::GetAlbumsCountForArtistL
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// ----------------------------------------------------------------------------
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//
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TInt CMPXDbAlbum::GetAlbumsCountForArtistL(TUint32 aArtistId)
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{
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RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(KQueryCategorySubcategoryItems, aArtistId));
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TInt prevId(0);
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TInt count(0);
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TInt err(KErrNone);
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while ((err = recordset.Next()) == KSqlAtRow)
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{
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TUint32 rowId(recordset.ColumnInt64(EAlbumUniqueId));
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if (prevId == rowId)
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{
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continue;
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}
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count++;
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prevId = rowId;
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}
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if (err != KSqlAtEnd)
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{
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User::Leave(err);
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}
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return count;
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}
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// ----------------------------------------------------------------------------
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// CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL
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// ----------------------------------------------------------------------------
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//
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TInt CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL(TUint32 aArtistId, TUint32 aAlbumId)
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{
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MPX_FUNC("CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL");
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return ExecuteSumQueryL(KQuerySongsInArtistAlbum, aArtistId, aAlbumId);
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}
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// ----------------------------------------------------------------------------
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// CMPXDbAlbum::UpdateMediaL
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// ----------------------------------------------------------------------------
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//
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void CMPXDbAlbum::UpdateMediaL(
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RSqlStatement& aRecord,
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const TArray<TMPXAttribute>& aAttrs,
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CMPXMedia& aMedia)
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{
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MPX_FUNC("CMPXDbAlbum::UpdateMediaL");
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TInt count(aAttrs.Count());
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for (TInt i = 0; i < count; ++i)
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{
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TInt contentId(aAttrs[i].ContentId());
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TUint attributeId(aAttrs[i].AttributeId());
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if (contentId == KMPXMediaIdGeneral)
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{
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if (attributeId & EMPXMediaGeneralId)
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{
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MPX_DEBUG1(" EMPXMediaGeneralId");
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aMedia.SetTObjectValueL<TMPXItemId>(KMPXMediaGeneralId,
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aRecord.ColumnInt64(EAlbumUniqueId));
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}
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if (attributeId & EMPXMediaGeneralTitle)
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{
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MPX_DEBUG1(" EMPXMediaGeneralTitle");
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TPtrC album( MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) );
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aMedia.SetTextValueL(KMPXMediaGeneralTitle,
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MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName));
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MPX_DEBUG2(" Album[%S]", &album );
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}
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if (attributeId & EMPXMediaGeneralCount)
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{
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MPX_DEBUG1(" EMPXMediaGeneralCount");
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TInt songCount = GetSongsCountL(KDbManagerAllDrives,
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aRecord.ColumnInt64(EAlbumUniqueId));
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aMedia.SetTObjectValueL<TInt>(KMPXMediaGeneralCount, songCount );
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MPX_DEBUG2(" SongCount[%d]", songCount );
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}
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} // end if contentId == KMPXMediaIdGeneral
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else if ( contentId == KMPXMediaIdMusic )
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{
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if (attributeId & EMPXMediaMusicArtist)
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{
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MPX_DEBUG1(" EMPXMediaMusicArtist");
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TPtrC artistName(KNullDesC);
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424 |
|
|
425 |
// if album is unknown, ignore arist name
|
|
426 |
if (MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) != KNullDesC)
|
|
427 |
{
|
|
428 |
artistName.Set(MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumArtistName));
|
|
429 |
}
|
|
430 |
|
|
431 |
aMedia.SetTextValueL(KMPXMediaMusicArtist, artistName);
|
|
432 |
MPX_DEBUG2(" Artist[%S]", &artistName);
|
|
433 |
}
|
|
434 |
if (attributeId & EMPXMediaMusicAlbumArtFileName)
|
|
435 |
{
|
|
436 |
MPX_DEBUG1(" EMPXMediaMusicAlbumArtFileName");
|
|
437 |
|
|
438 |
TPtrC art(KNullDesC);
|
|
439 |
|
|
440 |
// if album is unknown, ignore album art name
|
|
441 |
if (MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) != KNullDesC)
|
|
442 |
{
|
|
443 |
art.Set(MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumArt));
|
|
444 |
}
|
|
445 |
|
|
446 |
aMedia.SetTextValueL(KMPXMediaMusicAlbumArtFileName, art);
|
|
447 |
MPX_DEBUG2(" Art[%S]", &art);
|
|
448 |
}
|
|
449 |
}
|
|
450 |
} // end for
|
|
451 |
|
|
452 |
aMedia.SetTObjectValueL<TMPXGeneralType>(KMPXMediaGeneralType, EMPXItem);
|
|
453 |
aMedia.SetTObjectValueL<TMPXGeneralCategory>(KMPXMediaGeneralCategory, iCategory);
|
|
454 |
}
|
|
455 |
|
|
456 |
// ----------------------------------------------------------------------------
|
|
457 |
// CMPXDbAlbum::GenerateAlbumFieldsValuesL
|
|
458 |
// ----------------------------------------------------------------------------
|
|
459 |
//
|
|
460 |
void CMPXDbAlbum::GenerateAlbumFieldsValuesL(const CMPXMedia& aMedia, CDesCArray& aFields, CDesCArray& aValues)
|
|
461 |
{
|
|
462 |
if (aMedia.IsSupported(KMPXMediaMusicAlbumArtFileName))
|
|
463 |
{
|
|
464 |
const TDesC& albumArtFilename = aMedia.ValueText(KMPXMediaMusicAlbumArtFileName).Left(KMCMaxTextLen);
|
|
465 |
MPXDbCommonUtil::AppendValueL(aFields, aValues, KMCMusicArt, albumArtFilename);
|
|
466 |
}
|
|
467 |
|
|
468 |
if (aMedia.IsSupported(KMPXMediaMusicArtist))
|
|
469 |
{
|
|
470 |
const TDesC& artistName = aMedia.ValueText(KMPXMediaMusicArtist).Left(KMCMaxTextLen);
|
|
471 |
TUint32 artistId = MPXDbCommonUtil::GenerateUniqueIdL(iDbManager.Fs(), EMPXArtist,
|
|
472 |
artistName, ETrue);
|
|
473 |
MPXDbCommonUtil::AppendValueL(aFields, aValues, KMCMusicArtist, artistId);
|
|
474 |
}
|
|
475 |
}
|
|
476 |
|
|
477 |
// ----------------------------------------------------------------------------
|
|
478 |
// CMPXDbAlbum::IsUnknownArtistL
|
|
479 |
// ----------------------------------------------------------------------------
|
|
480 |
//
|
|
481 |
TBool CMPXDbAlbum::IsUnknownArtistL(TUint32 aId)
|
|
482 |
{
|
|
483 |
return iObserver.HandleIsUnknownArtistL(aId);
|
|
484 |
}
|
|
485 |
|
|
486 |
// ----------------------------------------------------------------------------
|
|
487 |
// CMPXDbAlbum::ArtistForAlbumL
|
|
488 |
// ----------------------------------------------------------------------------
|
|
489 |
//
|
|
490 |
TUint32 CMPXDbAlbum::ArtistForAlbumL(const TUint32 aId)
|
|
491 |
{
|
|
492 |
return iObserver.HandleArtistForAlbumL(aId);
|
|
493 |
}
|
|
494 |
|
|
495 |
// ----------------------------------------------------------------------------
|
|
496 |
// CMPXDbAlbum::CreateTableL
|
|
497 |
// ----------------------------------------------------------------------------
|
|
498 |
//
|
|
499 |
void CMPXDbAlbum::CreateTableL(
|
|
500 |
RSqlDatabase& aDatabase,
|
|
501 |
TBool /* aCorruptTable */)
|
|
502 |
{
|
|
503 |
MPX_FUNC("CMPXDbCategory::CreateTableL");
|
|
504 |
|
|
505 |
// create the table
|
|
506 |
HBufC* query = PreProcessStringLC(KAlbumCreateTable);
|
|
507 |
User::LeaveIfError(aDatabase.Exec(*query));
|
|
508 |
CleanupStack::PopAndDestroy(query);
|
|
509 |
|
|
510 |
// do not create an index on the Name field
|
|
511 |
// as it only slows down the insert/update queries overall
|
|
512 |
}
|
|
513 |
|
|
514 |
// ----------------------------------------------------------------------------
|
|
515 |
// CMPXDbAlbum::CheckTableL
|
|
516 |
// ----------------------------------------------------------------------------
|
|
517 |
//
|
|
518 |
TBool CMPXDbAlbum::CheckTableL(
|
|
519 |
RSqlDatabase& aDatabase)
|
|
520 |
{
|
|
521 |
MPX_FUNC("CMPXDbCategory::CheckTableL");
|
|
522 |
|
|
523 |
HBufC* query = PreProcessStringLC(KAlbumCheckTable);
|
|
524 |
TBool check(DoCheckTable(aDatabase, *query));
|
|
525 |
CleanupStack::PopAndDestroy(query);
|
|
526 |
|
|
527 |
return check;
|
|
528 |
}
|
|
529 |
|
|
530 |
// End of File
|