public function ResourceObjectNormalizer::normalize in Drupal 9
Same name and namespace in other branches
- 8 core/modules/jsonapi/src/Normalizer/ResourceObjectNormalizer.php \Drupal\jsonapi\Normalizer\ResourceObjectNormalizer::normalize()
File
- core/
modules/ jsonapi/ src/ Normalizer/ ResourceObjectNormalizer.php, line 57
Class
- ResourceObjectNormalizer
- Converts the JSON:API module ResourceObject into a JSON:API array structure.
Namespace
Drupal\jsonapi\NormalizerCode
public function normalize($object, $format = NULL, array $context = []) {
assert($object instanceof ResourceObject);
// If the fields to use were specified, only output those field values.
$context['resource_object'] = $object;
$resource_type = $object
->getResourceType();
$resource_type_name = $resource_type
->getTypeName();
$fields = $object
->getFields();
// Get the bundle ID of the requested resource. This is used to determine if
// this is a bundle level resource or an entity level resource.
if (!empty($context['sparse_fieldset'][$resource_type_name])) {
$field_names = $context['sparse_fieldset'][$resource_type_name];
}
else {
$field_names = array_keys($fields);
}
$normalization_parts = $this
->getNormalization($field_names, $object, $format, $context);
// Keep only the requested fields (the cached normalization gradually grows
// to the complete set of fields).
$fields = $normalization_parts[ResourceObjectNormalizationCacher::RESOURCE_CACHE_SUBSET_FIELDS];
$field_normalizations = array_intersect_key($fields, array_flip($field_names));
$relationship_field_names = array_keys($resource_type
->getRelatableResourceTypes());
$attributes = array_diff_key($field_normalizations, array_flip($relationship_field_names));
$relationships = array_intersect_key($field_normalizations, array_flip($relationship_field_names));
$entity_normalization = array_filter($normalization_parts[ResourceObjectNormalizationCacher::RESOURCE_CACHE_SUBSET_BASE] + [
'attributes' => CacheableNormalization::aggregate($attributes)
->omitIfEmpty(),
'relationships' => CacheableNormalization::aggregate($relationships)
->omitIfEmpty(),
]);
return CacheableNormalization::aggregate($entity_normalization)
->withCacheableDependency($object);
}