/**
* {@inheritdoc}
*/
public function getReferencingFieldIds() {
if (!isset($this->field_ids)) {
$this->field_ids = [];
$entity_reference_fields = $this->fieldManager->getFieldMapByFieldType('entity_reference');
$update_entity_type = $this->updateEntityType();
if (empty($entity_reference_fields[$update_entity_type])) {
return $this->field_ids;
}
$entity_reference_fields = $entity_reference_fields[$update_entity_type];
foreach ($entity_reference_fields as $field_id => $entity_reference_field) {
foreach ($entity_reference_field['bundles'] as $bundle) {
$field = $this->fieldManager->getFieldDefinitions($update_entity_type, $bundle)[$field_id];
if ($field instanceof FieldConfig) {
if ($field->getSetting('target_type') == 'scheduled_update'
&& !empty($field->getSetting('handler_settings')['target_bundles'])
&& in_array($this->configuration['updater_type'], $field->getSetting('handler_settings')['target_bundles'])
) {
$this->field_ids[] = $field_id;
}
}
}
}
}
return $this->field_ids;
}
/**
* Get existing entity reference field on target entity type that reference scheduled updates.
*
* @return array
*/
protected function existingReferenceFields() {
$entity_type = $this->entity->getUpdateEntityType();
$fields = $this->entityFieldManager->getFieldMapByFieldType('entity_reference');
if (!isset($fields[$entity_type])) {
return [];
}
$fields = $fields[$entity_type];
$ref_fields = [];
foreach ($fields as $field_name => $field_info) {
if ($definition = FieldStorageConfig::loadByName($entity_type, $field_name)) {
$update_type = $definition->getSetting('target_type');
if ($update_type == 'scheduled_update') {
$ref_fields[$field_name]['field_name'] = $field_name;
$bundle_fields = [];
foreach ($field_info['bundles'] as $bundle) {
$field_config = FieldConfig::loadByName($entity_type, $bundle, $field_name);
$bundle_fields[$bundle] = [
'field_id' => $field_config->id(),
'label' => $field_config->label(),
'bundle' => $bundle,
];
}
$ref_fields[$field_name]['bundles'] = $bundle_fields;
}
}
}
return $ref_fields;
}
