--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mpxplugins/serviceplugins/collectionplugins/mpxsqlitedbhgplugin/src/mpxdbalbum.cpp Thu Dec 17 08:45:05 2009 +0200
@@ -0,0 +1,546 @@
+/*
+* Copyright (c) 2007 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: Responsible for interation with the category tables:
+* Artist, Album, Genre and Composer
+*
+*/
+
+
+// INCLUDE FILES
+#include <sqldb.h>
+
+#include <mpxlog.h>
+
+#include "mpxdbcommonutil.h"
+#include "mpxdbcommondef.h"
+#include "mpxdbmanager.h"
+
+#include "mpxcollectiondbdef.h"
+#include "mpxmediamusicdefs.h"
+#include "mpxdbpluginqueries.h"
+#include "mpxdbutil.h"
+#include "mpxdbalbum.h"
+
+// CONSTANTS
+
+// ============================ MEMBER FUNCTIONS ==============================
+
+// ----------------------------------------------------------------------------
+// Two-phased constructor.
+// ----------------------------------------------------------------------------
+//
+CMPXDbAlbum* CMPXDbAlbum::NewL(
+ CMPXDbManager& aDbManager,
+ TMPXGeneralCategory aCategory,
+ MMPXDbAlbumObserver& aObserver)
+ {
+ MPX_FUNC("CMPXDbAlbum::NewL");
+
+ CMPXDbAlbum* self = CMPXDbAlbum::NewLC(aDbManager, aCategory, aObserver);
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+// ----------------------------------------------------------------------------
+// Two-phased constructor.
+// ----------------------------------------------------------------------------
+//
+CMPXDbAlbum* CMPXDbAlbum::NewLC(
+ CMPXDbManager& aDbManager,
+ TMPXGeneralCategory aCategory,
+ MMPXDbAlbumObserver& aObserver)
+ {
+ MPX_FUNC("CMPXDbAlbum::NewLC");
+
+ CMPXDbAlbum* self = new (ELeave) CMPXDbAlbum(aDbManager, aCategory, aObserver);
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ return self;
+ }
+
+// ----------------------------------------------------------------------------
+// Destructor
+// ----------------------------------------------------------------------------
+//
+CMPXDbAlbum::~CMPXDbAlbum()
+ {
+ MPX_FUNC("CMPXDbAlbum::~CMPXDbAlbum");
+ }
+
+// ----------------------------------------------------------------------------
+// Constructor
+// ----------------------------------------------------------------------------
+//
+CMPXDbAlbum::CMPXDbAlbum(
+ CMPXDbManager& aDbManager,
+ TMPXGeneralCategory aCategory,
+ MMPXDbAlbumObserver& aObserver) :
+ CMPXDbCategory(aDbManager, aCategory),
+ iObserver(aObserver)
+ {
+ MPX_FUNC("CMPXDbAlbum::CMPXDbAlbum");
+ }
+
+// ----------------------------------------------------------------------------
+// Second phase constructor.
+// ----------------------------------------------------------------------------
+//
+void CMPXDbAlbum::ConstructL()
+ {
+ MPX_FUNC("CMPXDbAlbum::ConstructL");
+
+ BaseConstructL();
+ }
+
+// ----------------------------------------------------------------------------
+// CMPXDbAlbum::AddItemL
+// ----------------------------------------------------------------------------
+//
+TUint32 CMPXDbAlbum::AddItemL(
+ const TDesC& aName,
+ TUint32 aArtist,
+ const TDesC& aArt,
+ TInt aDriveId,
+ TBool& aNewRecord,
+ TBool aCaseSensitive)
+ {
+ MPX_FUNC("CMPXDbAlbum::AddItemL");
+
+ // try to find the item first
+ TUint32 rowId(MPXDbCommonUtil::GenerateUniqueIdL(iDbManager.Fs(), iCategory,
+ aName, aCaseSensitive));
+ aNewRecord = !CategoryItemExistsL(aDriveId, rowId);
+
+ if (aNewRecord)
+ {
+ // insert new
+ HBufC* query = PreProcessStringLC(KQueryAlbumInsert);
+ HBufC* name = MPXDbCommonUtil::ProcessSingleQuotesLC(aName);
+ HBufC* art = MPXDbCommonUtil::ProcessSingleQuotesLC(aArt);
+
+ iDbManager.ExecuteQueryL(aDriveId, *query, rowId, name, 1, aArtist, art);
+
+ CleanupStack::PopAndDestroy(art);
+ CleanupStack::PopAndDestroy(name);
+ CleanupStack::PopAndDestroy(query);
+ }
+ else
+ {
+ // retrieve the existing record
+ HBufC* query = NULL;
+ query = PreProcessStringLC(KQueryCategoryItem);
+ RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query, rowId));
+ CleanupStack::PopAndDestroy(query);
+
+ CleanupClosePushL(recordset);
+
+ if (recordset.Next() != KSqlAtRow)
+ {
+ User::Leave(KErrNotFound);
+ }
+
+ // Artist
+ TUint32 artistId = recordset.ColumnInt64(EAlbumArtist);
+
+ // the current one is Unknown and the new one is Not Unknown.
+ if ( IsUnknownArtistL( artistId ) && !IsUnknownArtistL( aArtist ) )
+ {
+ _LIT( KFormatArtistId, "Artist=%d" );
+ HBufC* setStr = HBufC::NewLC(KFormatArtistId().Length() + KMCIntegerLen);
+ setStr->Des().Format( KFormatArtistId, aArtist );
+
+ iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, rowId);
+ CleanupStack::PopAndDestroy(setStr);
+ }
+
+ // Album Art
+ TPtrC art(KNullDesC);
+ art.Set(MPXDbCommonUtil::GetColumnTextL(recordset, EAlbumArt));
+
+ // the current one is Unknown and the new one is Not Unknown
+ if ( art == KNullDesC && aArt != KNullDesC )
+ {
+ HBufC* artReplaceSingleQuote =
+ MPXDbCommonUtil::ProcessSingleQuotesLC( aArt );
+ _LIT( KFormatArt, "Art=\'%S\'" );
+ HBufC* setStr = HBufC::NewLC(256);
+ setStr->Des().Format( KFormatArt, artReplaceSingleQuote );
+
+ iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, rowId);
+ CleanupStack::PopAndDestroy(setStr);
+ CleanupStack::PopAndDestroy(artReplaceSingleQuote);
+ }
+
+ CleanupStack::PopAndDestroy(&recordset);
+
+ // increment the number of songs for the category
+ query = PreProcessStringLC(KQueryCategoryIncrementSongCount);
+ iDbManager.ExecuteQueryL(aDriveId, *query, rowId);
+ CleanupStack::PopAndDestroy(query);
+ }
+
+ return rowId;
+ }
+
+// ----------------------------------------------------------------------------
+// CMPXDbAlbum::DecrementSongsForCategoryL
+// ----------------------------------------------------------------------------
+//
+void CMPXDbAlbum::DecrementSongsForCategoryL(
+ const TUint32 aId,
+ TInt aDriveId,
+ CMPXMessageArray* aItemChangedMessages,
+ TBool& aItemExist,
+ const TUint32 aArtist)
+ {
+ MPX_FUNC("CMPXDbAlbum::DecrementSongsForCategoryL");
+
+ // if just one song uses this category. Use <= just in case
+ if (GetSongsCountL(aDriveId, aId) <= 1)
+ {
+ aItemExist = EFalse;
+ // delete the category
+ DeleteCategoryL(aId, aDriveId);
+
+ if (aItemChangedMessages)
+ {
+ // add the item changed message
+ MPXDbCommonUtil::AddItemChangedMessageL(*aItemChangedMessages, aId, EMPXItemDeleted,
+ iCategory, KDBPluginUid);
+ }
+ }
+ else
+ {
+ aItemExist = ETrue;
+
+ // retrieve the existing record
+ HBufC* query = PreProcessStringLC(KQueryCategoryItem);
+ RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query, aId));
+ CleanupStack::PopAndDestroy(query);
+
+ CleanupClosePushL(recordset);
+
+ if (recordset.Next() != KSqlAtRow)
+ {
+ User::Leave(KErrNotFound);
+ }
+
+ TUint32 artistId = recordset.ColumnInt64(EAlbumArtist);
+
+ CleanupStack::PopAndDestroy(&recordset);
+
+ // the current artist is equal to deleted song's artist
+ if ( artistId == aArtist )
+ {
+ TUint32 newArtistId = ArtistForAlbumL(aId);
+
+ _LIT( KFormatArtistId, "Artist=%d" );
+ HBufC* setStr = HBufC::NewLC(KFormatArtistId().Length() + KMCIntegerLen);
+ setStr->Des().Format(KFormatArtistId, newArtistId);
+
+ iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, aId);
+ CleanupStack::PopAndDestroy(setStr);
+
+ if (aItemChangedMessages)
+ {
+ // add the item changed message
+ MPXDbCommonUtil::AddItemChangedMessageL(*aItemChangedMessages, aId, EMPXItemModified,
+ iCategory, KDBPluginUid);
+ }
+ }
+
+ // decrement the number of songs for the category
+ query = PreProcessStringLC(KQueryCategoryDecrementSongCount);
+ iDbManager.ExecuteQueryL(aDriveId, *query, aId);
+ CleanupStack::PopAndDestroy(query);
+ }
+ }
+
+// ----------------------------------------------------------------------------
+// CMPXDbAlbum::GetAllCategoryItemsL
+// ----------------------------------------------------------------------------
+//
+void CMPXDbAlbum::GetAllCategoryItemsL(
+ const TArray<TMPXAttribute>& aAttrs,
+ CMPXMediaArray& aMediaArray)
+ {
+ MPX_FUNC("CMPXDbAlbum::GetAllCategoryItemsL");
+
+ HBufC* query = PreProcessStringLC(KQueryAlbumAll);
+ RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query));
+ CleanupStack::PopAndDestroy(query);
+
+ CleanupClosePushL(recordset);
+ ProcessRecordsetL(aAttrs, recordset, aMediaArray);
+ CleanupStack::PopAndDestroy(&recordset);
+ }
+
+// ----------------------------------------------------------------------------
+// CMPXDbAlbum::UpdateItemL
+// ----------------------------------------------------------------------------
+//
+void CMPXDbAlbum::UpdateItemL(
+ TUint32 aId,
+ const CMPXMedia& aMedia,
+ TInt aDriveId,
+ CMPXMessageArray* aItemChangedMessages)
+ {
+ MPX_FUNC("CMPXDbAlbum::UpdateItemL");
+
+ CDesCArrayFlat* fields = new (ELeave) CDesCArrayFlat(EAlbumFieldCount);
+ CleanupStack::PushL(fields);
+ CDesCArrayFlat* values = new (ELeave) CDesCArrayFlat(EAlbumFieldCount);
+ CleanupStack::PushL(values);
+
+ // process the media parameter and construct the fields and values array
+ GenerateAlbumFieldsValuesL(aMedia, *fields, *values);
+
+ // construct the SET string
+ HBufC* setStr = MPXDbCommonUtil::StringFromArraysLC(*fields, *values, KMCEqualSign, KMCCommaSign);
+
+ if (setStr->Length())
+ {
+ // execute the query
+ iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, aId);
+ TInt oldSongId = (aMedia.ValueTObjectL<TMPXItemId>(KMPXMediaGeneralId)).iId2;
+ MPXDbCommonUtil::AddItemChangedMessageL(*aItemChangedMessages, aId, EMPXItemModified,
+ EMPXAlbum, KDBPluginUid, oldSongId );
+ }
+
+ CleanupStack::PopAndDestroy(setStr);
+ CleanupStack::PopAndDestroy(values);
+ CleanupStack::PopAndDestroy(fields);
+ }
+
+// ----------------------------------------------------------------------------
+// CMPXDbAlbum::GetAlbumsCountForArtistL
+// ----------------------------------------------------------------------------
+//
+TInt CMPXDbAlbum::GetAlbumsCountForArtistL(TUint32 aArtistId)
+ {
+ RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(KQueryCategorySubcategoryItems, aArtistId));
+
+ TInt prevId(0);
+ TInt count(0);
+ TInt err(KErrNone);
+
+ while ((err = recordset.Next()) == KSqlAtRow)
+ {
+ TUint32 rowId(recordset.ColumnInt64(EAlbumUniqueId));
+ if (prevId == rowId)
+ {
+ continue;
+ }
+
+ count++;
+ prevId = rowId;
+ }
+
+ if (err != KSqlAtEnd)
+ {
+ User::Leave(err);
+ }
+
+ return count;
+
+ }
+
+// ----------------------------------------------------------------------------
+// CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL
+// ----------------------------------------------------------------------------
+//
+TInt CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL(TUint32 aArtistId, TUint32 aAlbumId)
+ {
+ MPX_FUNC("CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL");
+
+ return ExecuteSumQueryL(KQuerySongsInArtistAlbum, aArtistId, aAlbumId);
+ }
+
+// ----------------------------------------------------------------------------
+// CMPXDbAlbum::UpdateMediaL
+// ----------------------------------------------------------------------------
+//
+void CMPXDbAlbum::UpdateMediaL(
+ RSqlStatement& aRecord,
+ const TArray<TMPXAttribute>& aAttrs,
+ CMPXMedia& aMedia)
+ {
+ MPX_FUNC("CMPXDbAlbum::UpdateMediaL");
+
+ TInt count(aAttrs.Count());
+ for (TInt i = 0; i < count; ++i)
+ {
+ TInt contentId(aAttrs[i].ContentId());
+ TUint attributeId(aAttrs[i].AttributeId());
+
+ if (contentId == KMPXMediaIdGeneral)
+ {
+ if (attributeId & EMPXMediaGeneralId)
+ {
+ MPX_DEBUG1(" EMPXMediaGeneralId");
+
+ aMedia.SetTObjectValueL<TMPXItemId>(KMPXMediaGeneralId,
+ aRecord.ColumnInt64(EAlbumUniqueId));
+ }
+ if (attributeId & EMPXMediaGeneralTitle)
+ {
+ MPX_DEBUG1(" EMPXMediaGeneralTitle");
+
+ TPtrC album( MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) );
+ aMedia.SetTextValueL(KMPXMediaGeneralTitle,
+ MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName));
+ MPX_DEBUG2(" Album[%S]", &album );
+ }
+ if (attributeId & EMPXMediaGeneralCount)
+ {
+ MPX_DEBUG1(" EMPXMediaGeneralCount");
+
+ TInt songCount = GetSongsCountL(KDbManagerAllDrives,
+ aRecord.ColumnInt64(EAlbumUniqueId));
+ aMedia.SetTObjectValueL<TInt>(KMPXMediaGeneralCount, songCount );
+ MPX_DEBUG2(" SongCount[%d]", songCount );
+ }
+ } // end if contentId == KMPXMediaIdGeneral
+ else if ( contentId == KMPXMediaIdMusic )
+ {
+ if (attributeId & EMPXMediaMusicArtist)
+ {
+ MPX_DEBUG1(" EMPXMediaMusicArtist");
+
+ TPtrC artistName(KNullDesC);
+
+ // if album is unknown, ignore arist name
+ if (MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) != KNullDesC)
+ {
+ artistName.Set(MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumArtistName));
+ }
+
+ aMedia.SetTextValueL(KMPXMediaMusicArtist, artistName);
+ MPX_DEBUG2(" Artist[%S]", &artistName);
+ }
+
+ if (attributeId & EMPXMediaMusicAlbum)
+ {
+ MPX_DEBUG1(" EMPXMediaMusicAlbum");
+
+ TPtrC albumName(KNullDesC);
+ TPtrC album( MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) );
+
+
+ // if album is unknown
+ if ( album != KNullDesC)
+ {
+ albumName.Set(album);
+ }
+
+ aMedia.SetTextValueL(KMPXMediaMusicAlbum, albumName);
+ MPX_DEBUG2(" Album[%S]", &albumName);
+ }
+ if (attributeId & EMPXMediaMusicAlbumArtFileName)
+ {
+ MPX_DEBUG1(" EMPXMediaMusicAlbumArtFileName");
+
+ TPtrC art(KNullDesC);
+
+ // if album is unknown, ignore album art name
+ if (MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) != KNullDesC)
+ {
+ art.Set(MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumArt));
+ }
+
+ aMedia.SetTextValueL(KMPXMediaMusicAlbumArtFileName, art);
+ MPX_DEBUG2(" Art[%S]", &art);
+ }
+ }
+ } // end for
+
+ aMedia.SetTObjectValueL<TMPXGeneralType>(KMPXMediaGeneralType, EMPXItem);
+ aMedia.SetTObjectValueL<TMPXGeneralCategory>(KMPXMediaGeneralCategory, iCategory);
+ }
+
+// ----------------------------------------------------------------------------
+// CMPXDbAlbum::GenerateAlbumFieldsValuesL
+// ----------------------------------------------------------------------------
+//
+void CMPXDbAlbum::GenerateAlbumFieldsValuesL(const CMPXMedia& aMedia, CDesCArray& aFields, CDesCArray& aValues)
+ {
+ if (aMedia.IsSupported(KMPXMediaMusicAlbumArtFileName))
+ {
+ const TDesC& albumArtFilename = aMedia.ValueText(KMPXMediaMusicAlbumArtFileName).Left(KMCMaxTextLen);
+ MPXDbCommonUtil::AppendValueL(aFields, aValues, KMCMusicArt, albumArtFilename);
+ }
+
+ if (aMedia.IsSupported(KMPXMediaMusicArtist))
+ {
+ const TDesC& artistName = aMedia.ValueText(KMPXMediaMusicArtist).Left(KMCMaxTextLen);
+ TUint32 artistId = MPXDbCommonUtil::GenerateUniqueIdL(iDbManager.Fs(), EMPXArtist,
+ artistName, ETrue);
+ MPXDbCommonUtil::AppendValueL(aFields, aValues, KMCMusicArtist, artistId);
+ }
+ }
+
+// ----------------------------------------------------------------------------
+// CMPXDbAlbum::IsUnknownArtistL
+// ----------------------------------------------------------------------------
+//
+TBool CMPXDbAlbum::IsUnknownArtistL(TUint32 aId)
+ {
+ return iObserver.HandleIsUnknownArtistL(aId);
+ }
+
+// ----------------------------------------------------------------------------
+// CMPXDbAlbum::ArtistForAlbumL
+// ----------------------------------------------------------------------------
+//
+TUint32 CMPXDbAlbum::ArtistForAlbumL(const TUint32 aId)
+ {
+ return iObserver.HandleArtistForAlbumL(aId);
+ }
+
+// ----------------------------------------------------------------------------
+// CMPXDbAlbum::CreateTableL
+// ----------------------------------------------------------------------------
+//
+void CMPXDbAlbum::CreateTableL(
+ RSqlDatabase& aDatabase,
+ TBool /* aCorruptTable */)
+ {
+ MPX_FUNC("CMPXDbCategory::CreateTableL");
+
+ // create the table
+ HBufC* query = PreProcessStringLC(KAlbumCreateTable);
+ User::LeaveIfError(aDatabase.Exec(*query));
+ CleanupStack::PopAndDestroy(query);
+
+ // do not create an index on the Name field
+ // as it only slows down the insert/update queries overall
+ }
+
+// ----------------------------------------------------------------------------
+// CMPXDbAlbum::CheckTableL
+// ----------------------------------------------------------------------------
+//
+TBool CMPXDbAlbum::CheckTableL(
+ RSqlDatabase& aDatabase)
+ {
+ MPX_FUNC("CMPXDbCategory::CheckTableL");
+
+ HBufC* query = PreProcessStringLC(KAlbumCheckTable);
+ TBool check(DoCheckTable(aDatabase, *query));
+ CleanupStack::PopAndDestroy(query);
+
+ return check;
+ }
+
+// End of File