mpxplugins/serviceplugins/collectionplugins/mpxsqlitedbhgplugin/src/mpxdbartist.cpp
changeset 0 ff3acec5bc43
child 2 b70d77332e66
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpxplugins/serviceplugins/collectionplugins/mpxsqlitedbhgplugin/src/mpxdbartist.cpp	Thu Dec 17 08:45:05 2009 +0200
@@ -0,0 +1,380 @@
+/*
+* 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 Artist table
+*
+*
+*/
+
+
+// INCLUDE FILES
+#include <sqldb.h>
+
+#include <mpxlog.h>
+
+#include "mpxdbcommonutil.h"
+#include "mpxdbcommondef.h"
+#include "mpxmediamusicdefs.h"
+#include "mpxdbmanager.h"
+
+#include "mpxcollectiondbdef.h"
+#include "mpxdbpluginqueries.h"
+#include "mpxdbutil.h"
+#include "mpxdbartist.h"
+
+// CONSTANTS
+
+// ============================ MEMBER FUNCTIONS ==============================
+
+// ----------------------------------------------------------------------------
+// Two-phased constructor.
+// ----------------------------------------------------------------------------
+//
+CMPXDbArtist* CMPXDbArtist::NewL(
+    CMPXDbManager& aDbManager,
+    TMPXGeneralCategory aCategory,
+    MMPXDbArtistObserver& aObserver)
+    {
+    MPX_FUNC("CMPXDbArtist::NewL");
+
+    CMPXDbArtist* self = CMPXDbArtist::NewLC(aDbManager, aCategory, aObserver);
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// ----------------------------------------------------------------------------
+// Two-phased constructor.
+// ----------------------------------------------------------------------------
+//
+CMPXDbArtist* CMPXDbArtist::NewLC(
+    CMPXDbManager& aDbManager,
+    TMPXGeneralCategory aCategory,
+    MMPXDbArtistObserver& aObserver)
+    {
+    MPX_FUNC("CMPXDbArtist::NewLC");
+
+    CMPXDbArtist* self = new (ELeave) CMPXDbArtist(aDbManager, aCategory, aObserver);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+    }
+
+// ----------------------------------------------------------------------------
+// Destructor
+// ----------------------------------------------------------------------------
+//
+CMPXDbArtist::~CMPXDbArtist()
+    {
+    MPX_FUNC("CMPXDbArtist::~CMPXDbArtist");
+    }
+
+// ----------------------------------------------------------------------------
+// Constructor
+// ----------------------------------------------------------------------------
+//
+CMPXDbArtist::CMPXDbArtist(
+    CMPXDbManager& aDbManager,
+    TMPXGeneralCategory aCategory,
+    MMPXDbArtistObserver& aObserver) :
+    CMPXDbCategory(aDbManager, aCategory),
+    iObserver(aObserver)
+    {
+    MPX_FUNC("CMPXDbArtist::CMPXDbArtist");
+    }
+
+// ----------------------------------------------------------------------------
+// Second phase constructor.
+// ----------------------------------------------------------------------------
+//
+void CMPXDbArtist::ConstructL()
+    {
+    MPX_FUNC("CMPXDbArtist::ConstructL");
+
+    BaseConstructL();
+    }
+
+// ----------------------------------------------------------------------------
+// CMPXDbArtist::AddItemL
+// ----------------------------------------------------------------------------
+//
+TUint32 CMPXDbArtist::AddItemL(
+    const TDesC& aName,
+    const TDesC& aArt,
+    TInt aDriveId,
+    TBool& aNewRecord,
+    TBool aCaseSensitive)
+    {
+    MPX_FUNC("CMPXDbArtist::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(KQueryArtistInsert);
+        HBufC* name = MPXDbCommonUtil::ProcessSingleQuotesLC(aName);
+        HBufC* art = MPXDbCommonUtil::ProcessSingleQuotesLC(aArt);
+
+        iDbManager.ExecuteQueryL(aDriveId, *query, rowId, name, 1, 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);
+        }
+
+        // Album Art
+        TPtrC art(KNullDesC);
+        art.Set(MPXDbCommonUtil::GetColumnTextL(recordset, EArtistArt));
+
+        // 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, KQueryArtistUpdate, 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;
+    }
+
+// ----------------------------------------------------------------------------
+// CMPXDbArtist::IsUnknownArtistL
+// ----------------------------------------------------------------------------
+//
+TBool CMPXDbArtist::IsUnknownArtistL(TUint32 aId)
+    {
+	MPX_FUNC("CMPXDbArtist::IsUnknownArtistL");
+
+    HBufC* name = GetNameL(aId);
+
+	TInt ret = EFalse;
+	if (*name == KNullDesC)
+		{
+		ret = ETrue;
+		}
+	delete name;
+
+	return ret;
+    }
+
+// ----------------------------------------------------------------------------
+// CMPXDbArtist::UpdateMediaL
+// ----------------------------------------------------------------------------
+//
+void CMPXDbArtist::UpdateMediaL(
+    RSqlStatement& aRecord,
+    const TArray<TMPXAttribute>& aAttrs,
+    CMPXMedia& aMedia)
+    {
+    MPX_FUNC("CMPXDbArtist::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(EArtistUniqueId));
+				MPX_DEBUG2("	Id[%d]", aRecord.ColumnInt64(EArtistUniqueId));
+                }
+            if (attributeId & EMPXMediaGeneralTitle)
+                {
+                MPX_DEBUG1("	EMPXMediaGeneralTitle");
+
+                TPtrC artist( MPXDbCommonUtil::GetColumnTextL(aRecord, EArtistName) );
+                aMedia.SetTextValueL(KMPXMediaGeneralTitle,
+                    MPXDbCommonUtil::GetColumnTextL(aRecord, EArtistName));
+
+				MPX_DEBUG2("	Artist[%S]", &artist);
+                }
+            if (attributeId & EMPXMediaGeneralCount)
+                {
+//				TInt albumCount = GetAlbumsCountL(aRecord.ColumnInt64(EArtistUniqueId));
+//              aMedia.SetTObjectValueL<TInt>(KMPXMediaGeneralCount,albumCount);
+//              MPX_DEBUG1("	EMPXMediaGeneralCount");
+//				MPX_DEBUG2("	AlbumCount[%d]", albumCount);
+				TInt songCount = aRecord.ColumnInt64(EArtistSongCount);
+				aMedia.SetTObjectValueL<TInt>(KMPXMediaGeneralCount, songCount); // mod by anjokela
+
+                MPX_DEBUG1("	EMPXMediaGeneralCount");
+				MPX_DEBUG2("	SongCount[%d]", songCount);
+                }
+            } // end if contentId == KMPXMediaIdGeneral
+        else if ( contentId == KMPXMediaIdMusic )
+            {
+            if (attributeId & EMPXMediaMusicAlbumArtFileName)
+                {
+                MPX_DEBUG1("    EMPXMediaMusicAlbumArtFileName");
+                TPtrC art(KNullDesC);
+                art.Set(MPXDbCommonUtil::GetColumnTextL(aRecord, EArtistArt));
+                aMedia.SetTextValueL(KMPXMediaMusicAlbumArtFileName, art);
+                MPX_DEBUG2("    Art[%S]", &art);
+                }
+            }
+		} // end for
+
+    aMedia.SetTObjectValueL<TMPXGeneralType>(KMPXMediaGeneralType, EMPXItem);
+    aMedia.SetTObjectValueL<TMPXGeneralCategory>(KMPXMediaGeneralCategory, iCategory);
+    }
+
+// ----------------------------------------------------------------------------
+// CMPXDbArtist::GenerateArtistFieldsValuesL
+// ----------------------------------------------------------------------------
+//
+void CMPXDbArtist::GenerateArtistFieldsValuesL(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);
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CMPXDbArtist::GetAlbumsCountL
+// ----------------------------------------------------------------------------
+//
+TInt CMPXDbArtist::GetAlbumsCountL(TUint32 aId)
+    {
+    MPX_FUNC("CMPXDbArtist::GetAlbumsCountL");
+
+	return iObserver.HandleGetAlbumsCountForArtistL(aId);
+    }
+
+// ----------------------------------------------------------------------------
+// CMPXDbArtist::GetAllCategoryItemsL
+// ----------------------------------------------------------------------------
+//
+void CMPXDbArtist::GetAllCategoryItemsL(
+    const TArray<TMPXAttribute>& aAttrs,
+    CMPXMediaArray& aMediaArray)
+    {
+    MPX_FUNC("CMPXDbArtist::GetAllCategoryItemsL");
+    HBufC* query = PreProcessStringLC(KQueryArtistAll);
+    RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query));
+    CleanupStack::PopAndDestroy(query);
+    CleanupClosePushL(recordset);
+    ProcessRecordsetL(aAttrs, recordset, aMediaArray);
+    CleanupStack::PopAndDestroy(&recordset);
+    }
+
+// ----------------------------------------------------------------------------
+// CMPXDbArtist::UpdateItemL
+// ----------------------------------------------------------------------------
+//
+void CMPXDbArtist::UpdateItemL(
+    TUint32 aId,
+    const CMPXMedia& aMedia,
+    TInt aDriveId,
+    CMPXMessageArray* aItemChangedMessages)
+    {
+    MPX_FUNC("CMPXDbAlbum::UpdateItemL");
+
+    CDesCArrayFlat* fields = new (ELeave) CDesCArrayFlat(EArtistFieldCount);
+    CleanupStack::PushL(fields);
+    CDesCArrayFlat* values = new (ELeave) CDesCArrayFlat(EArtistFieldCount);
+    CleanupStack::PushL(values);
+
+    // process the media parameter and construct the fields and values array
+    GenerateArtistFieldsValuesL(aMedia, *fields, *values);
+
+    // construct the SET string
+    HBufC* setStr = MPXDbCommonUtil::StringFromArraysLC(*fields, *values, KMCEqualSign, KMCCommaSign);
+
+    if (setStr->Length())
+        {
+        // execute the query
+        iDbManager.ExecuteQueryL(aDriveId, KQueryArtistUpdate, setStr, aId);
+        TInt oldSongId = (aMedia.ValueTObjectL<TMPXItemId>(KMPXMediaGeneralId)).iId2;
+        MPXDbCommonUtil::AddItemChangedMessageL(*aItemChangedMessages, aId, EMPXItemModified,
+            EMPXArtist, KDBPluginUid, oldSongId );
+        }
+
+    CleanupStack::PopAndDestroy(setStr);
+    CleanupStack::PopAndDestroy(values);
+    CleanupStack::PopAndDestroy(fields);
+    }
+// ----------------------------------------------------------------------------
+// CMPXDbAlbum::CreateTableL
+// ----------------------------------------------------------------------------
+//
+void CMPXDbArtist::CreateTableL(
+    RSqlDatabase& aDatabase,
+    TBool /* aCorruptTable */)
+    {
+    MPX_FUNC("CMPXDbCategory::CreateTableL");
+
+    // create the table
+    HBufC* query = PreProcessStringLC(KArtistCreateTable);
+    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 CMPXDbArtist::CheckTableL(
+    RSqlDatabase& aDatabase)
+    {
+    MPX_FUNC("CMPXDbCategory::CheckTableL");
+
+    HBufC* query = PreProcessStringLC(KArtistCheckTable);
+    TBool check(DoCheckTable(aDatabase, *query));
+    CleanupStack::PopAndDestroy(query);
+
+    return check;
+    }
+
+// End of File