/**
* Create a new entity from the recursively mirrorred values of a given source entity, while
* optionally merging attribute values from a given reference entity.
*
* @param EntityInterface $source_entity
* @param EntityInterface $reference_entity
*
* @return EntityInterface
*/
public function createMirroredEntity(EntityInterface $source_entity, EntityInterface $reference_entity = null)
{
// compile non-list attribute values from the reference entity if available
if ($reference_entity) {
foreach ($this->getAttributes() as $attribute) {
$attribute_name = $attribute->getName();
$attribute_value = $reference_entity->getValue($attribute_name);
$mirrored_values[$attribute_name] = $attribute_value instanceof ObjectInterface ? $attribute_value->toArray() : $attribute_value;
}
}
// override default mirrored values
$mirrored_values['@type'] = $source_entity->getType()->getPrefix();
$mirrored_values['identifier'] = $source_entity->getIdentifier();
if ($source_entity instanceof EntityReferenceInterface) {
$mirrored_values['referenced_identifier'] = $source_entity->getReferencedIdentifier();
}
// collate the required mirrored attributes map
$mirrored_attributes_map = $this->collateAttributes(function (AttributeInterface $attribute) {
return (bool) $attribute->getOption('mirrored', false) === true;
});
// extract our reference path which may be aliased
$path_parts = explode('.', $this->getPrefix());
$type_prefix = end($path_parts);
// iterate the source attributes and extract the required mirrored values
foreach ($mirrored_attributes_map->getKeys() as $mirrored_attribute_path) {
// @todo possible risk of path name collision in greedy regex
$mirrored_attribute_path = preg_replace('#([\\w-]+\\.)+' . $type_prefix . '\\.#', '', $mirrored_attribute_path);
$mirrored_attr_name = explode('.', $mirrored_attribute_path)[0];
$mirrored_attribute = $this->getAttribute($mirrored_attr_name);
$source_attribute_name = $mirrored_attribute->getOption('attribute_alias', $mirrored_attr_name);
$source_attribute_value = $source_entity->getValue($source_attribute_name);
if ($mirrored_attribute instanceof EmbeddedEntityListAttribute) {
foreach ($source_attribute_value as $position => $source_embedded_entity) {
// skip entity mirroring if values already exist since we may traverse over paths repeatedly
// if (!isset($mirrored_values[$mirrored_attr_name][$position])) {
// 2016-09-28 shrink0r: when would this happen. commenting out if check,
// as this seems to work fine without.
$source_embed_prefix = $source_embedded_entity->getType()->getPrefix();
$mirrored_embed_type = $mirrored_attribute instanceof EntityReferenceListAttribute ? $mirrored_attribute->getEmbeddedTypeByReferencedPrefix($source_embed_prefix) : $mirrored_attribute->getEmbeddedTypeByPrefix($source_embed_prefix);
if ($mirrored_embed_type) {
$reference_embedded_entity = $reference_entity ? $reference_entity->getValue($mirrored_attr_name)->getEntityByIdentifier($source_embedded_entity->getIdentifier()) : null;
$mirrored_embedded_entity = $mirrored_embed_type->createEntity($mirrored_embed_type->createMirroredEntity($source_embedded_entity, $reference_embedded_entity)->toArray(), $reference_entity);
$mirrored_values[$mirrored_attr_name][$position] = $mirrored_embedded_entity->toArray();
}
}
} else {
$mirrored_values[$mirrored_attr_name] = $source_attribute_value instanceof ObjectInterface ? $source_attribute_value->toArray() : $source_attribute_value;
}
}
return $this->createEntity($mirrored_values, $source_entity->getParent());
}
protected function getParentEntitySettings(EntityInterface $embed, ListAttribute $parent_attribute)
{
$parent_entity_settings = [];
$view_scope = $this->getViewScope();
$view_config_service = $this->getServiceLocator()->getViewConfigService();
$parent_entity = $embed->getParent();
if ($parent_entity) {
// settings specified on parent entity
$entity_renderer_config = $view_config_service->getRendererConfig($view_scope, $this->getOutputFormat(), $parent_entity);
$all_fields_options = $entity_renderer_config->get('__all_fields', new ArrayConfig([]));
$specific_fields_options = $entity_renderer_config->get('__fields_options', new ArrayConfig([]));
$parent_field_options = $specific_fields_options->get('field_' . $parent_attribute->getName(), new ArrayConfig([]));
$parent_entity_settings = array_replace_recursive($all_fields_options->toArray(), $parent_field_options->toArray());
}
return new ArrayConfig($parent_entity_settings);
}