/**
* @param ContentEntityTypeInterface $entity
* @return array
*/
public function getViewsData(ContentEntityTypeInterface $entity = NULL)
{
$data = parent::getViewsData();
if ($entity) {
// Get some info to work off.
/** @var string $entity_table */
$entity_table = $entity->get('base_table');
/** @var string $entity_data_table */
$entity_data_table = $entity->get('data_table');
/** @var string $entity_revision_table */
$entity_revision_table = $entity->get('revision_table');
// Replacements for all strings.
$replacements = ['@entity_label' => $entity->getLabel(), '!entity_id' => $entity->id()];
if (!empty($entity_data_table)) {
// Add the entity ID field.
$data[$entity_data_table]['id']['field']['id'] = 'field';
// Add entity info.
$data[$entity_data_table]['info']['field']['id'] = 'field';
$data[$entity_data_table]['info']['field']['link_to_entity default'] = TRUE;
// Add the bundle (type).
$data[$entity_data_table]['type']['field']['id'] = 'field';
}
if (!empty($entity_table) && !empty($entity_revision_table)) {
// Advertise this table as a possible base table.
$data[$entity_revision_table]['table']['base']['help'] = $this->t('@entity_label revision is a history of changes to a "!entity_id" entity.', $replacements);
$data[$entity_revision_table]['table']['base']['defaults']['title'] = 'info';
// @todo EntityViewsData should add these relationships by default.
// https://www.drupal.org/node/2410275
$data[$entity_revision_table]['id']['relationship']['id'] = 'standard';
$data[$entity_revision_table]['id']['relationship']['base'] = $entity_table;
$data[$entity_revision_table]['id']['relationship']['base field'] = 'id';
$data[$entity_revision_table]['id']['relationship']['title'] = $this->t('@entity_label', $replacements);
$data[$entity_revision_table]['id']['relationship']['label'] = $this->t('Get the actual @entity_label from a @entity_label revision.', $replacements);
$data[$entity_revision_table]['revision_id']['relationship']['id'] = 'standard';
$data[$entity_revision_table]['revision_id']['relationship']['base'] = $entity_table;
$data[$entity_revision_table]['revision_id']['relationship']['base field'] = 'revision_id';
$data[$entity_revision_table]['revision_id']['relationship']['title'] = $this->t('@entity_label', $replacements);
$data[$entity_revision_table]['revision_id']['relationship']['label'] = $this->t('Get the actual @entity_label from a @entity_label revision.', $replacements);
}
}
return $data;
}
