/**
* Generis API searchInstances function as an action
* Developed for the facet based filter ...
* @todo Is it a dangerous action ?
*/
public function searchInstances()
{
$returnValue = array();
$filter = array();
$properties = array();
if (!tao_helpers_Request::isAjax()) {
//throw new Exception("wrong request mode");
}
// Get the class paramater
if ($this->hasRequestParameter('classUri')) {
$clazz = $this->getCurrentClass();
} else {
$clazz = $this->getRootClass();
}
// Get filter parameter
if ($this->hasRequestParameter('filter')) {
$filter = $this->getFilterState('filter');
}
$properties = tao_helpers_form_GenerisFormFactory::getClassProperties($clazz);
// ADD Label property
if (!array_key_exists(RDFS_LABEL, $properties)) {
$new_properties = array();
$new_properties[RDFS_LABEL] = new core_kernel_classes_Property(RDFS_LABEL);
$properties = array_merge($new_properties, $properties);
}
// Remove item content property
if (array_key_exists(TAO_ITEM_CONTENT_PROPERTY, $properties)) {
unset($properties[TAO_ITEM_CONTENT_PROPERTY]);
}
$instances = $this->service->searchInstances($filter, $clazz, array('recursive' => true));
$index = 0;
foreach ($instances as $instance) {
$returnValue[$index]['uri'] = $instance->getUri();
$formatedProperties = array();
foreach ($properties as $property) {
//$formatedProperties[] = (string)$instance->getOnePropertyValue (new core_kernel_classes_Property($property));
$value = $instance->getOnePropertyValue($property);
if ($value instanceof core_kernel_classes_Resource) {
$value = $value->getLabel();
} else {
$value = (string) $value;
}
$formatedProperties[] = $value;
}
$returnValue[$index]['properties'] = (object) $formatedProperties;
$index++;
}
echo json_encode($returnValue);
}
