private function _convertToJsonld($object, EntityInterface $entity)
{
$jsonld = array();
$jsonld['@subject'] = $this->jsonldEncode($this->_mapper->createSubject($object));
foreach ($entity->getChildDefinitions() as $node) {
if ($node instanceof PropertyInterface) {
$rdf_name = $node->getProperty();
$expanded_name = $this->_expandPropertyName($rdf_name, $entity);
$jsonld[$expanded_name] = $this->_mapper->getPropertyValue($object, $node);
}
}
return $jsonld;
}
/**
*
* Determine the title of the entity to be created, following this logic:
*
* 1. is there a getTitle method with a value set
* 2. is there a property containing "title" in rdf definition
* 3. take the first property defined in rdf and take first 50 characters
* 4. give up
*
* @param EntityInterface $entity
* @throws \RuntimeException
* @return mixed|string
*/
private function determineEntityTitle(EntityInterface $entity)
{
$object = $entity->getObject();
//is there a getTitle method?
if (method_exists($object, 'getTitle') && $object->getTitle()) {
return $object->getTitle();
} else {
//try to get a property containing title in the rdf description
foreach ($entity->getChildDefinitions() as $node) {
if (!$node instanceof \Midgard\CreatePHP\Entity\PropertyInterface || strpos($node->getProperty(), "title") === false) {
continue;
}
return $entity->getMapper()->getPropertyValue($object, $node);
}
//try to get the first property to create a guessed title of max 50 characters
foreach ($entity->getChildDefinitions() as $node) {
if (!$node instanceof \Midgard\CreatePHP\Entity\PropertyInterface) {
continue;
}
return substr($entity->getMapper()->getPropertyValue($object, $node), 0, 49);
}
//give up
throw new RuntimeException('No title could be found four your new node.');
}
}