/**
* Get xml representation
*
* @param string entity
* @param string schema version
* @param string id
* @return string xml string
*/
public function getXmlRepresentation($a_entity, $a_schema_version, $a_id)
{
$parts = explode(":", $a_id);
if (sizeof($parts) != 2) {
return;
}
$obj_id = $parts[0];
$rec_id = $parts[1];
// any data for current record and object?
include_once 'Services/AdvancedMetaData/classes/class.ilAdvancedMDValues.php';
$raw = ilAdvancedMDValues::findByObjectId($obj_id);
if (!$raw) {
return;
}
// gather sub-item data from value entries
$sub_items = array();
foreach ($raw as $item) {
$sub_items[$item["sub_type"]][] = $item["sub_id"];
}
// gather all relevant data
$items = array();
foreach ($sub_items as $sub_type => $sub_ids) {
foreach (array_unique($sub_ids) as $sub_id) {
$values_record = new ilAdvancedMDValues($rec_id, $obj_id, $sub_type, $sub_id);
$defs = $values_record->getDefinitions();
$values_record->read();
foreach ($values_record->getADTGroup()->getElements() as $element_id => $element) {
if (!$element->isNull()) {
$def = $defs[$element_id];
$items[$rec_id][] = array('id' => $def->getImportId(), 'sub_type' => $sub_type, 'sub_id' => $sub_id, 'value' => $def->getValueForXML($element));
}
}
}
}
// we only want non-empty fields
if (sizeof($items)) {
$xml = new ilXmlWriter();
foreach ($items as $record_id => $record_items) {
// no need to state record id here
$xml->xmlStartTag('AdvancedMetaData');
foreach ($record_items as $item) {
$xml->xmlElement('Value', array('id' => $item['id'], 'sub_type' => $item['sub_type'], 'sub_id' => $item['sub_id']), $item['value']);
}
$xml->xmlEndTag('AdvancedMetaData');
}
return $xml->xmlDumpMem(false);
}
}
