/**
* 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()];
}
$ref_fields[$field_name]['bundles'] = $bundle_fields;
}
}
}
return $ref_fields;
}
/**
* {@inheritdoc}
*/
public function updateEntityType() {
return $this->scheduled_update_type->getUpdateEntityType();
}
/**
* Determine the default that should be used to create default value elements.
*
* @param \Drupal\Core\Form\FormStateInterface $form_state
*
* @return string
*/
protected function getDefaultBundle($field_selected, FormStateInterface $form_state) {
$all_fields = $this->entityFieldManager->getFieldMap();
$entity_fields = $all_fields[$this->entity->getUpdateEntityType()];
$bundle = array_shift(array_keys($entity_fields[$field_selected]['bundles']));
return $bundle;
}
