ModerationStateFieldItemList.php
Same filename in other branches
Namespace
Drupal\content_moderation\Plugin\FieldFile
-
core/
modules/ content_moderation/ src/ Plugin/ Field/ ModerationStateFieldItemList.php
View source
<?php
namespace Drupal\content_moderation\Plugin\Field;
use Drupal\Core\Entity\ContentEntityInterface;
use Drupal\Core\Entity\EntityPublishedInterface;
use Drupal\Core\Field\FieldItemList;
use Drupal\Core\TypedData\ComputedItemListTrait;
/**
* A computed field that provides a content entity's moderation state.
*
* It links content entities to a moderation state configuration entity via a
* moderation state content entity.
*/
class ModerationStateFieldItemList extends FieldItemList {
use ComputedItemListTrait {
get as traitGet;
}
/**
* {@inheritdoc}
*/
protected function computeValue() {
$moderation_state = $this->getModerationStateId();
// Do not store NULL values, in the case where an entity does not have a
// moderation workflow associated with it, we do not create list items for
// the computed field.
if ($moderation_state) {
// An entity can only have a single moderation state.
$this->list[0] = $this->createItem(0, $moderation_state);
}
}
/**
* Gets the moderation state ID linked to a content entity revision.
*
* @return string|null
* The moderation state ID linked to a content entity revision.
*/
protected function getModerationStateId() {
$entity = $this->getEntity();
/** @var \Drupal\content_moderation\ModerationInformationInterface $moderation_info */
$moderation_info = \Drupal::service('content_moderation.moderation_information');
if (!$moderation_info->shouldModerateEntitiesOfBundle($entity->getEntityType(), $entity->bundle())) {
return NULL;
}
// Existing entities will have a corresponding content_moderation_state
// entity associated with them.
if (!$entity->isNew() && ($content_moderation_state = $this->loadContentModerationStateRevision($entity))) {
return $content_moderation_state->moderation_state->value;
}
// It is possible that the bundle does not exist at this point. For example,
// the node type form creates a fake Node entity to get default values.
// @see \Drupal\node\NodeTypeForm::form()
$workflow = $moderation_info->getWorkFlowForEntity($entity);
return $workflow ? $workflow->getTypePlugin()
->getInitialState($entity)
->id() : NULL;
}
/**
* Load the content moderation state revision associated with an entity.
*
* @param \Drupal\Core\Entity\ContentEntityInterface $entity
* The entity the content moderation state entity will be loaded from.
*
* @return \Drupal\content_moderation\Entity\ContentModerationStateInterface|null
* The content_moderation_state revision or FALSE if none exists.
*/
protected function loadContentModerationStateRevision(ContentEntityInterface $entity) {
$moderation_info = \Drupal::service('content_moderation.moderation_information');
$content_moderation_storage = \Drupal::entityTypeManager()->getStorage('content_moderation_state');
$revisions = $content_moderation_storage->getQuery()
->condition('content_entity_type_id', $entity->getEntityTypeId())
->condition('content_entity_id', $entity->id())
->condition('content_entity_revision_id', $entity->isNewRevision() ? $entity->getLoadedRevisionId() : $entity->getRevisionId())
->condition('workflow', $moderation_info->getWorkflowForEntity($entity)
->id())
->condition('langcode', $entity->language()
->getId())
->allRevisions()
->sort('revision_id', 'DESC')
->execute();
if (empty($revisions)) {
return NULL;
}
/** @var \Drupal\content_moderation\Entity\ContentModerationStateInterface $content_moderation_state */
$content_moderation_state = $content_moderation_storage->loadRevision(key($revisions));
if ($entity->getEntityType()
->hasKey('langcode')) {
$langcode = $entity->language()
->getId();
if (!$content_moderation_state->hasTranslation($langcode)) {
$content_moderation_state->addTranslation($langcode, $content_moderation_state->toArray());
}
if ($content_moderation_state->language()
->getId() !== $langcode) {
$content_moderation_state = $content_moderation_state->getTranslation($langcode);
}
}
return $content_moderation_state;
}
/**
* {@inheritdoc}
*/
public function get($index) {
if ($index !== 0) {
throw new \InvalidArgumentException('An entity can not have multiple moderation states at the same time.');
}
return $this->traitGet($index);
}
/**
* {@inheritdoc}
*/
public function onChange($delta) {
$this->updateModeratedEntity($this->list[$delta]->value);
parent::onChange($delta);
}
/**
* {@inheritdoc}
*/
public function setValue($values, $notify = TRUE) {
parent::setValue($values, $notify);
$this->valueComputed = TRUE;
// If the parent created a field item and if the parent should be notified
// about the change (e.g. this is not initialized with the current value),
// update the moderated entity.
if (isset($this->list[0]) && $notify) {
$this->updateModeratedEntity($this->list[0]->value);
}
}
/**
* Updates the default revision flag and the publishing status of the entity.
*
* @param string $moderation_state_id
* The ID of the new moderation state.
*/
protected function updateModeratedEntity($moderation_state_id) {
$entity = $this->getEntity();
/** @var \Drupal\content_moderation\ModerationInformationInterface $content_moderation_info */
$content_moderation_info = \Drupal::service('content_moderation.moderation_information');
$workflow = $content_moderation_info->getWorkflowForEntity($entity);
// Change the entity's default revision flag and the publishing status only
// if the new workflow state is a valid one.
if ($workflow && $workflow->getTypePlugin()
->hasState($moderation_state_id)) {
/** @var \Drupal\content_moderation\ContentModerationState $current_state */
$current_state = $workflow->getTypePlugin()
->getState($moderation_state_id);
// This entity is default if it is new, the default revision state, or the
// default revision is not published.
if (!$entity->isSyncing()) {
$update_default_revision = $entity->isNew() || $current_state->isDefaultRevisionState() || !$content_moderation_info->isDefaultRevisionPublished($entity);
$entity->isDefaultRevision($update_default_revision);
}
// Update publishing status if it can be updated and if it needs updating.
$published_state = $current_state->isPublishedState();
if ($entity instanceof EntityPublishedInterface && $entity->isPublished() !== $published_state) {
$published_state ? $entity->setPublished() : $entity->setUnpublished();
}
}
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
ModerationStateFieldItemList | A computed field that provides a content entity's moderation state. |
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