bool QgsWFSProvider::addFeatures( QgsFeatureList &flist )
{
//create <Transaction> xml
QDomDocument transactionDoc;
QDomElement transactionElem = createTransactionElement( transactionDoc );
transactionDoc.appendChild( transactionElem );
//find out typename from uri and strip namespace prefix
QString tname = mShared->mURI.typeName();
if ( tname.isNull() )
{
return false;
}
removeNamespacePrefix( tname );
//Add the features
QgsFeatureList::iterator featureIt = flist.begin();
for ( ; featureIt != flist.end(); ++featureIt )
{
//Insert element
QDomElement insertElem = transactionDoc.createElementNS( QgsWFSConstants::WFS_NAMESPACE, "Insert" );
transactionElem.appendChild( insertElem );
QDomElement featureElem = transactionDoc.createElementNS( mApplicationNamespace, tname );
QgsAttributes featureAttributes = featureIt->attributes();
int nAttrs = featureAttributes.size();
for ( int i = 0; i < nAttrs; ++i )
{
const QVariant& value = featureAttributes.at( i );
if ( value.isValid() && !value.isNull() )
{
QDomElement fieldElem = transactionDoc.createElementNS( mApplicationNamespace, mShared->mFields.at( i ).name() );
QDomText fieldText = transactionDoc.createTextNode( value.toString() );
fieldElem.appendChild( fieldText );
featureElem.appendChild( fieldElem );
}
}
//add geometry column (as gml)
const QgsGeometry* geometry = featureIt->constGeometry();
if ( geometry != nullptr )
{
QDomElement geomElem = transactionDoc.createElementNS( mApplicationNamespace, mShared->mGeometryAttribute );
QgsGeometry the_geom( *geometry );
// convert to multi if the layer geom type is multi and the geom is not
if ( QGis::isMultiType( this->geometryType( ) ) && ! the_geom.isMultipart( ) )
{
the_geom.convertToMultiType();
}
QDomElement gmlElem = QgsOgcUtils::geometryToGML( &the_geom, transactionDoc );
if ( !gmlElem.isNull() )
{
gmlElem.setAttribute( "srsName", crs().authid() );
geomElem.appendChild( gmlElem );
featureElem.appendChild( geomElem );
}
}
insertElem.appendChild( featureElem );
}
QDomDocument serverResponse;
bool success = sendTransactionDocument( transactionDoc, serverResponse );
if ( !success )
{
return false;
}
if ( transactionSuccess( serverResponse ) )
{
//transaction successful. Add the features to the cache
QStringList idList = insertedFeatureIds( serverResponse );
QStringList::const_iterator idIt = idList.constBegin();
featureIt = flist.begin();
QVector<QgsWFSFeatureGmlIdPair> serializedFeatureList;
for ( ; idIt != idList.constEnd() && featureIt != flist.end(); ++idIt, ++featureIt )
{
serializedFeatureList.push_back( QgsWFSFeatureGmlIdPair( *featureIt, *idIt ) );
}
mShared->serializeFeatures( serializedFeatureList );
// And now set the feature id from the one got from the database
QMap< QString, QgsFeatureId > map;
for ( int idx = 0; idx < serializedFeatureList.size(); idx++ )
map[ serializedFeatureList[idx].second ] = serializedFeatureList[idx].first.id();
idIt = idList.constBegin();
featureIt = flist.begin();
for ( ; idIt != idList.constEnd() && featureIt != flist.end(); ++idIt, ++featureIt )
{
if ( map.find( *idIt ) != map.end() )
featureIt->setFeatureId( map[*idIt] );
}
return true;
}
else
{
handleException( serverResponse );
return false;
}
}
