void UPnpCDSExtension::CreateItems( UPnpCDSRequest *pRequest,
UPnpCDSExtensionResults *pResults,
int nNodeIdx,
const QString &sKey,
bool bAddRef )
{
pResults->m_nTotalMatches = 0;
pResults->m_nUpdateID = 1;
UPnpCDSRootInfo *pInfo = GetRootInfo( nNodeIdx );
if (pInfo == NULL)
return;
pResults->m_nTotalMatches = GetCount( pInfo->column, sKey );
pResults->m_nUpdateID = 1;
if (pRequest->m_nRequestedCount == 0)
pRequest->m_nRequestedCount = SHRT_MAX;
MSqlQuery query(MSqlQuery::InitCon());
if (query.isConnected())
{
QString sWhere( "" );
QString sOrder( "" );
if ( sKey.length() > 0)
{
sWhere = QString( "WHERE %1=:KEY " )
.arg( pInfo->column );
}
QString orderColumn( pInfo->orderColumn );
if (orderColumn.length() != 0) {
sOrder = QString( "ORDER BY %1 " )
.arg( orderColumn );
}
QString sSQL = QString( "%1 %2 LIMIT %3, %4" )
.arg( GetItemListSQL( pInfo->column ) )
.arg( sWhere + sOrder )
.arg( pRequest->m_nStartingIndex )
.arg( pRequest->m_nRequestedCount );
query.prepare ( sSQL );
if ( sKey.length() )
query.bindValue(":KEY", sKey );
if (query.exec())
{
while(query.next())
AddItem( pRequest, pRequest->m_sObjectId, pResults, bAddRef, query );
}
}
}
UPnpCDSExtensionResults *UPnpCDSExtension::ProcessAll ( UPnpCDSRequest *pRequest,
UPnpCDSExtensionResults *pResults,
QStringList &/*idPath*/ )
{
pResults->m_nTotalMatches = 0;
pResults->m_nUpdateID = 1;
// ----------------------------------------------------------------------
//
// ----------------------------------------------------------------------
switch( pRequest->m_eBrowseFlag )
{
case CDS_BrowseMetadata:
{
// --------------------------------------------------------------
// Return Container Object Only
// --------------------------------------------------------------
UPnpCDSRootInfo *pInfo = GetRootInfo( 0 );
if (pInfo != NULL)
{
pResults->m_nTotalMatches = 1;
pResults->m_nUpdateID = 1;
CDSObject *pItem = CreateContainer( pRequest->m_sObjectId,
QObject::tr( pInfo->title ),
m_sExtensionId );
pItem->SetChildCount( GetDistinctCount( pInfo ) );
pResults->Add( pItem );
}
break;
}
case CDS_BrowseDirectChildren:
{
CreateItems( pRequest, pResults, 0, "", false );
break;
}
case CDS_BrowseUnknown:
default:
break;
}
return pResults;
}
UPnpCDSExtensionResults *UPnpCDSExtension::ProcessKey( UPnpCDSRequest *pRequest,
UPnpCDSExtensionResults *pResults,
QStringList &idPath )
{
pResults->m_nTotalMatches = 0;
pResults->m_nUpdateID = 1;
// ----------------------------------------------------------------------
//
// ----------------------------------------------------------------------
QString sKey = idPath.last().section( '=', 1, 1 );
QUrl::decode( sKey );
if (sKey.length() > 0)
{
int nNodeIdx = idPath[ idPath.count() - 2 ].toInt();
switch( pRequest->m_eBrowseFlag )
{
case CDS_BrowseMetadata:
{
UPnpCDSRootInfo *pInfo = GetRootInfo( nNodeIdx );
if (pInfo == NULL)
return pResults;
pRequest->m_sParentId = RemoveToken( "/", pRequest->m_sObjectId, 1 );
// --------------------------------------------------------------
// Since Key is not always the title, we need to lookup title.
// --------------------------------------------------------------
MSqlQuery query(MSqlQuery::InitCon());
if (query.isConnected())
{
QString sSQL = QString( pInfo->sql )
.arg( pInfo->where );
// -=>TODO: There is a problem when called for an Item, instead of a container
// sKey = '<KeyName>/item?ChanId' which is incorrect.
query.prepare ( sSQL );
query.bindValue( ":KEY", sKey );
query.exec();
if (query.isActive() && query.size() > 0)
{
if ( query.next() )
{
// ----------------------------------------------
// Return Container Object Only
// ----------------------------------------------
pResults->m_nTotalMatches = 1;
pResults->m_nUpdateID = 1;
CDSObject *pItem = CreateContainer( pRequest->m_sObjectId,
query.value(1).toString(),
pRequest->m_sParentId );
pItem->SetChildCount( GetDistinctCount( pInfo ));
pResults->Add( pItem );
}
}
}
break;
}
case CDS_BrowseDirectChildren:
{
CreateItems( pRequest, pResults, nNodeIdx, sKey, true );
break;
}
case CDS_BrowseUnknown:
default:
break;
}
}
return pResults;
}
UPnpCDSExtensionResults *UPnpCDSExtension::ProcessRoot( UPnpCDSRequest *pRequest,
UPnpCDSExtensionResults *pResults,
QStringList &/*idPath*/ )
{
pResults->m_nTotalMatches = 0;
pResults->m_nUpdateID = 1;
short nRootCount = GetRootCount();
switch( pRequest->m_eBrowseFlag )
{
case CDS_BrowseMetadata:
{
// --------------------------------------------------------------
// Return Root Object Only
// --------------------------------------------------------------
pResults->m_nTotalMatches = 1;
pResults->m_nUpdateID = 1;
CDSObject *pRoot = CreateContainer( m_sExtensionId, m_sName, "0");
pRoot->SetChildCount( nRootCount );
pResults->Add( pRoot );
break;
}
case CDS_BrowseDirectChildren:
{
VERBOSE(VB_UPNP, "CDS_BrowseDirectChildren");
pResults->m_nUpdateID = 1;
pResults->m_nTotalMatches = nRootCount ;
if ( pRequest->m_nRequestedCount == 0)
pRequest->m_nRequestedCount = nRootCount ;
short nStart = Max( pRequest->m_nStartingIndex, short( 0 ));
short nEnd = Min( nRootCount, short( nStart + pRequest->m_nRequestedCount));
if (nStart < nRootCount)
{
for (short nIdx = nStart; nIdx < nEnd; nIdx++)
{
UPnpCDSRootInfo *pInfo = GetRootInfo( nIdx );
if (pInfo != NULL)
{
QString sId = QString( "%1/%2" ).arg( pRequest->m_sObjectId )
.arg( nIdx );
CDSObject *pItem = CreateContainer( sId,
QObject::tr( pInfo->title ),
m_sExtensionId );
pItem->SetChildCount( GetDistinctCount( pInfo ) );
pResults->Add( pItem );
}
}
}
}
case CDS_BrowseUnknown:
default:
break;
}
return pResults;
}
UPnpCDSExtensionResults *UPnpCDSExtension::ProcessContainer( UPnpCDSRequest *pRequest,
UPnpCDSExtensionResults *pResults,
int nNodeIdx,
QStringList &/*idPath*/ )
{
pResults->m_nUpdateID = 1;
pResults->m_nTotalMatches = 0;
UPnpCDSRootInfo *pInfo = GetRootInfo( nNodeIdx );
if (pInfo == NULL)
return pResults;
switch( pRequest->m_eBrowseFlag )
{
case CDS_BrowseMetadata:
{
// --------------------------------------------------------------
// Return Container Object Only
// --------------------------------------------------------------
pResults->m_nTotalMatches = 1;
pResults->m_nUpdateID = 1;
CDSObject *pItem = CreateContainer( pRequest->m_sObjectId,
QObject::tr( pInfo->title ),
m_sExtensionId );
pItem->SetChildCount( GetDistinctCount( pInfo ));
pResults->Add( pItem );
break;
}
case CDS_BrowseDirectChildren:
{
pResults->m_nTotalMatches = GetDistinctCount( pInfo );
pResults->m_nUpdateID = 1;
if (pRequest->m_nRequestedCount == 0)
pRequest->m_nRequestedCount = SHRT_MAX;
MSqlQuery query(MSqlQuery::InitCon());
if (query.isConnected())
{
// Remove where clause placeholder.
QString sSQL = pInfo->sql;
sSQL.replace( "%1", "" );
sSQL += QString( " LIMIT %2, %3" )
.arg( pRequest->m_nStartingIndex )
.arg( pRequest->m_nRequestedCount );
query.prepare( sSQL );
query.exec();
if (query.isActive() && query.size() > 0)
{
while(query.next())
{
QString sKey = query.value(0).toString();
QString sTitle =
QString::fromUtf8(query.value(1).toString());
long nCount = query.value(2).toInt();
if (sTitle.length() == 0)
sTitle = "(undefined)";
QString sId = QString( "%1/key=%2" )
.arg( pRequest->m_sParentId )
.arg( sKey );
CDSObject *pRoot = CreateContainer( sId, sTitle, pRequest->m_sParentId );
pRoot->SetChildCount( nCount );
pResults->Add( pRoot );
}
}
}
break;
}
case CDS_BrowseUnknown:
break;
}
return pResults;
}