/**
* Get an array of built relationships.
*
* @return \Tobscure\JsonApi\Relationship[]
*/
protected function buildRelationships()
{
if (isset($this->relationships)) {
return $this->relationships;
}
$paths = Util::parseRelationshipPaths($this->includes);
$relationships = [];
foreach ($paths as $name => $nested) {
$relationship = $this->serializer->getRelationship($this->data, $name);
if ($relationship) {
$relationshipData = $relationship->getData();
if ($relationshipData instanceof ElementInterface) {
$relationshipData->with($nested)->fields($this->fields);
}
$relationships[$name] = $relationship;
}
}
return $this->relationships = $relationships;
}
/**
* Serialize the data as appropriate.
*
* @param SerializerInterface $serializer
* @param array $data
* @return \Tobscure\JsonApi\Elements\Collection
*/
protected function serialize(SerializerInterface $serializer, $data)
{
return $serializer->collection($data);
}
/**
* Serialize the data as appropriate.
*
* @param \Tobscure\JsonApi\SerializerInterface $serializer
* @param array $data
* @return \Tobscure\JsonApi\Elements\Resource
*/
protected function serialize(SerializerInterface $serializer, $data)
{
return $serializer->resource($data);
}