protected function updateAffectedRelatives(ProjectionMap $affected_relatives, ProjectionInterface $source_projection)
{
$referenced_identifier = $source_projection->getIdentifier();
$updated_relatives = [];
foreach ($affected_relatives as $affected_relative) {
// collate the paths and matching entity list attributes from the affected projection
$updated_state = $affected_relative->toArray();
$affected_relative_type = $affected_relative->getType();
$affected_relative_prefix = $affected_relative_type->getPrefix();
$affected_entities = $affected_relative->collateChildren(function (EntityInterface $embedded_entity) use($referenced_identifier) {
return $embedded_entity instanceof EntityReferenceInterface && $embedded_entity->getReferencedIdentifier() === $referenced_identifier;
});
// reconstruct related projection state adding the updated mirrored values
foreach ($affected_entities as $affected_entity_value_path => $affected_entity) {
$affected_entity_type = $affected_entity->getType();
$affected_entity_prefix = $affected_entity_type->getPrefix();
$mirrored_values = $affected_entity_type->createMirroredEntity($source_projection, $affected_entity)->toArray();
// @todo if the current affected entity type has no mirrored attributes we can cache the
// mirrored values and improve performance by skipping additional unecessary recursion
$mirrored_values['@type'] = $affected_entity_prefix;
$mirrored_values['identifier'] = $affected_entity->getIdentifier();
$mirrored_values['referenced_identifier'] = $affected_entity->getReferencedIdentifier();
// insert the mirrored values in the correct position in our updated state
preg_match_all('#(?<parent>[\\w-]+)\\.[\\w-]+\\[(?<position>\\d+)\\]\\.?#', $affected_entity_value_path, $value_path_parts, PREG_SET_ORDER);
$nested_value =& $updated_state;
foreach ($value_path_parts as $value_path_part) {
$nested_value =& $nested_value[$value_path_part['parent']][$value_path_part['position']];
}
$nested_value = $mirrored_values;
}
// create the new projection from the updated state
$updated_relative = $affected_relative_type->createEntity($updated_state);
$updated_relatives[] = $updated_relative;
}
return new ProjectionMap($updated_relatives);
}
protected function calculateMaterializedPath(ProjectionInterface $parent = null)
{
$path_parts = [];
if ($parent) {
$parent_path = $parent->getMaterializedPath();
if (!empty($parent_path)) {
$path_parts = explode('/', $parent_path);
}
$path_parts[] = $parent->getIdentifier();
}
return implode('/', $path_parts);
}
