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<?php
namespace Drupal\Core\Entity;
use Drupal\Core\Entity\Exception\UnsupportedEntityTypeDefinitionException;
use Drupal\Core\Field\BaseFieldDefinition;
use Drupal\Core\StringTranslation\TranslatableMarkup;
/**
* Provides a trait for published status.
*/
trait EntityPublishedTrait {
/**
* Returns an array of base field definitions for publishing status.
*
* @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
* The entity type to add the publishing status field to.
*
* @return \Drupal\Core\Field\BaseFieldDefinition[]
* An array of base field definitions.
*
* @throws \Drupal\Core\Entity\Exception\UnsupportedEntityTypeDefinitionException
* Thrown when the entity type does not implement EntityPublishedInterface
* or if it does not have a "published" entity key.
*/
public static function publishedBaseFieldDefinitions(EntityTypeInterface $entity_type) {
if (!is_subclass_of($entity_type->getClass(), EntityPublishedInterface::class)) {
throw new UnsupportedEntityTypeDefinitionException('The entity type ' . $entity_type->id() . ' does not implement \Drupal\Core\Entity\EntityPublishedInterface.');
}
if (!$entity_type->hasKey('published')) {
throw new UnsupportedEntityTypeDefinitionException('The entity type ' . $entity_type->id() . ' does not have a "published" entity key.');
}
return [$entity_type->getKey('published') => BaseFieldDefinition::create('boolean')
->setLabel(new TranslatableMarkup('Publishing status'))
->setDescription(new TranslatableMarkup('A boolean indicating the published state.'))
->setRevisionable(TRUE)
->setTranslatable(TRUE)
->setDefaultValue(TRUE)];
}
/**
* {@inheritdoc}
*/
public function isPublished() {
$key = $this->getEntityType()->getKey('published');
return (bool) $this->get($key)->value;
}
/**
* {@inheritdoc}
*/
public function setPublished($published = NULL) {
if ($published !== NULL) {
@trigger_error('The $published parameter is deprecated since version 8.3.x and will be removed in 9.0.0.', E_USER_DEPRECATED);
$value = (bool) $published;
}
else {
$value = TRUE;
}
$key = $this->getEntityType()->getKey('published');
$this->set($key, $value);
return $this;
}
/**
* {@inheritdoc}
*/
public function setUnpublished() {
$key = $this->getEntityType()->getKey('published');
$this->set($key, FALSE);
return $this;
}
}