public function testPropertyCollectionMayBeInjected()
{
$entity = new stdClass();
$jsonLD = new Entity($entity, 'id', 'route', ['foo' => 'bar']);
$properties = new PropertyCollection();
$jsonLD->setProperties($properties);
$this->assertSame($properties, $jsonLD->getProperties());
}
/**
* Render an individual entity
*
* Creates a hash representation of the Entity. The entity is first
* converted to an array, and its associated properties are injected as properties.
* If any members of the entity are themselves
* Entity objects, they are extracted into an "member" hash.
*
* @param Entity $jsonLDEntity
* @param bool $renderEntity
* @param int $depth depth of the current rendering recursion
* @param int $maxDepth maximum rendering depth for the current metadata
* @throws Exception\CircularReferenceException
* @return array
*/
public function renderEntity(Entity $jsonLDEntity, $renderEntity = true, $depth = 0, $maxDepth = null)
{
$this->getEventManager()->trigger(__FUNCTION__, $this, ['entity' => $jsonLDEntity]);
$entity = $jsonLDEntity->entity;
$entityProperties = clone $jsonLDEntity->getProperties();
// Clone to prevent property duplication
$metadataMap = $this->getMetadataMap();
if (is_object($entity)) {
if ($maxDepth === null && $metadataMap->has($entity)) {
$maxDepth = $metadataMap->get($entity)->getMaxDepth();
}
if ($maxDepth === null) {
$entityHash = spl_object_hash($entity);
if (isset($this->entityHashStack[$entityHash])) {
// we need to clear the stack, as the exception may be caught and the plugin may be invoked again
$this->entityHashStack = [];
throw new Exception\CircularReferenceException(sprintf("Circular reference detected in '%s'. %s", get_class($entity), "Either set a 'max_depth' metadata attribute or remove the reference"));
}
$this->entityHashStack[$entityHash] = get_class($entity);
}
}
if (!$renderEntity || $maxDepth !== null && $depth > $maxDepth) {
$entity = [];
}
if (!is_array($entity)) {
$entity = $this->getEntityExtractor()->extract($entity);
}
foreach ($entity as $key => $value) {
if (is_object($value) && $metadataMap->has($value)) {
$value = $this->getResourceFactory()->createEntityFromMetadata($value, $metadataMap->get($value), $this->getRenderEmbeddedEntities());
}
if ($value instanceof Entity) {
$this->extractEmbeddedEntity($entity, $key, $value, $depth + 1, $maxDepth);
}
if ($value instanceof Collection) {
$this->extractEmbeddedCollection($entity, $key, $value, $depth + 1, $maxDepth);
}
if ($value instanceof Property) {
// We have a property; add it to the entity if it's not already present.
$entityProperties = $this->injectPropertyAsProperty($value, $entityProperties);
unset($entity[$key]);
}
if ($value instanceof PropertyCollection) {
foreach ($value as $property) {
$entityProperties = $this->injectPropertyAsProperty($property, $entityProperties);
}
unset($entity[$key]);
}
}
$jsonLDEntity->setProperties($entityProperties);
$entity = ArrayUtils::merge($entity, $this->fromResource($jsonLDEntity));
$payload = new ArrayObject($entity);
$this->getEventManager()->trigger(__FUNCTION__ . '.post', $this, ['payload' => $payload, 'entity' => $jsonLDEntity]);
if (isset($entityHash)) {
unset($this->entityHashStack[$entityHash]);
}
return $payload->getArrayCopy();
}
