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<?php
namespace Drupal\content_moderation;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
/**
* Provides the content_moderation views integration.
*/
class ViewsData {
use StringTranslationTrait;
/**
* The entity type manager.
*
* @var \Drupal\Core\Entity\EntityTypeManagerInterface
*/
protected $entityTypeManager;
/**
* The moderation information.
*
* @var \Drupal\content_moderation\ModerationInformationInterface
*/
protected $moderationInformation;
/**
* Creates a new ViewsData instance.
*
* @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
* The entity type manager.
* @param \Drupal\content_moderation\ModerationInformationInterface $moderation_information
* The moderation information.
*/
public function __construct(EntityTypeManagerInterface $entity_type_manager, ModerationInformationInterface $moderation_information) {
$this->entityTypeManager = $entity_type_manager;
$this->moderationInformation = $moderation_information;
}
/**
* Returns the views data.
*
* @return array
* The views data.
*/
public function getViewsData() {
$data = [];
$data['content_revision_tracker']['table']['group'] = $this->t('Content moderation (tracker)');
$data['content_revision_tracker']['entity_type'] = [
'title' => $this->t('Entity type'),
'field' => [
'id' => 'standard',
],
'filter' => [
'id' => 'string',
],
'argument' => [
'id' => 'string',
],
'sort' => [
'id' => 'standard',
],
];
$data['content_revision_tracker']['entity_id'] = [
'title' => $this->t('Entity ID'),
'field' => [
'id' => 'standard',
],
'filter' => [
'id' => 'numeric',
],
'argument' => [
'id' => 'numeric',
],
'sort' => [
'id' => 'standard',
],
];
$data['content_revision_tracker']['langcode'] = [
'title' => $this->t('Entity language'),
'field' => [
'id' => 'standard',
],
'filter' => [
'id' => 'language',
],
'argument' => [
'id' => 'language',
],
'sort' => [
'id' => 'standard',
],
];
$data['content_revision_tracker']['revision_id'] = [
'title' => $this->t('Latest revision ID'),
'field' => [
'id' => 'standard',
],
'filter' => [
'id' => 'numeric',
],
'argument' => [
'id' => 'numeric',
],
'sort' => [
'id' => 'standard',
],
];
$entity_types_with_moderation = array_filter($this->entityTypeManager->getDefinitions(), function (EntityTypeInterface $type) {
return $this->moderationInformation->canModerateEntitiesOfEntityType($type);
});
// Add a join for each entity type to the content_revision_tracker table.
foreach ($entity_types_with_moderation as $entity_type_id => $entity_type) {
/** @var \Drupal\views\EntityViewsDataInterface $views_data */
// We need the views_data handler in order to get the table name later.
if ($this->entityTypeManager->hasHandler($entity_type_id, 'views_data') && $views_data = $this->entityTypeManager->getHandler($entity_type_id, 'views_data')) {
// Add a join from the entity base table to the revision tracker table.
$base_table = $views_data->getViewsTableForEntityType($entity_type);
$data['content_revision_tracker']['table']['join'][$base_table] = [
'left_field' => $entity_type->getKey('id'),
'field' => 'entity_id',
'extra' => [
[
'field' => 'entity_type',
'value' => $entity_type_id,
],
],
];
// Some entity types might not be translatable.
if ($entity_type->hasKey('langcode')) {
$data['content_revision_tracker']['table']['join'][$base_table]['extra'][] = [
'field' => 'langcode',
'left_field' => $entity_type->getKey('langcode'),
'operation' => '=',
];
}
// Add a relationship between the revision tracker table to the latest
// revision on the entity revision table.
$data['content_revision_tracker']['latest_revision__' . $entity_type_id] = [
'title' => $this->t('@label latest revision', ['@label' => $entity_type->getLabel()]),
'group' => $this->t('@label revision', ['@label' => $entity_type->getLabel()]),
'relationship' => [
'id' => 'standard',
'label' => $this->t('@label latest revision', ['@label' => $entity_type->getLabel()]),
'base' => $this->getRevisionViewsTableForEntityType($entity_type),
'base field' => $entity_type->getKey('revision'),
'relationship field' => 'revision_id',
'extra' => [
[
'left_field' => 'entity_type',
'value' => $entity_type_id,
],
],
],
];
// Some entity types might not be translatable.
if ($entity_type->hasKey('langcode')) {
$data['content_revision_tracker']['latest_revision__' . $entity_type_id]['relationship']['extra'][] = [
'left_field' => 'langcode',
'field' => $entity_type->getKey('langcode'),
'operation' => '=',
];
}
}
}
// Provides a relationship from moderated entity to its moderation state
// entity.
$content_moderation_state_entity_type = \Drupal::entityTypeManager()->getDefinition('content_moderation_state');
$content_moderation_state_entity_base_table = $content_moderation_state_entity_type->getDataTable() ?: $content_moderation_state_entity_type->getBaseTable();
$content_moderation_state_entity_revision_base_table = $content_moderation_state_entity_type->getRevisionDataTable() ?: $content_moderation_state_entity_type->getRevisionTable();
foreach ($entity_types_with_moderation as $entity_type_id => $entity_type) {
$table = $entity_type->getDataTable() ?: $entity_type->getBaseTable();
$data[$table]['moderation_state'] = [
'title' => t('Moderation state'),
'relationship' => [
'id' => 'standard',
'label' => $this->t('@label moderation state', ['@label' => $entity_type->getLabel()]),
'base' => $content_moderation_state_entity_base_table,
'base field' => 'content_entity_id',
'relationship field' => $entity_type->getKey('id'),
'extra' => [
[
'field' => 'content_entity_type_id',
'value' => $entity_type_id,
],
],
],
'field' => ['default_formatter' => 'content_moderation_state'],
];
$revision_table = $entity_type->getRevisionDataTable() ?: $entity_type->getRevisionTable();
$data[$revision_table]['moderation_state'] = [
'title' => t('Moderation state'),
'relationship' => [
'id' => 'standard',
'label' => $this->t('@label moderation state', ['@label' => $entity_type->getLabel()]),
'base' => $content_moderation_state_entity_revision_base_table,
'base field' => 'content_entity_revision_id',
'relationship field' => $entity_type->getKey('revision'),
'extra' => [
[
'field' => 'content_entity_type_id',
'value' => $entity_type_id,
],
],
],
'field' => ['default_formatter' => 'content_moderation_state'],
];
}
return $data;
}
/**
* Alters the table and field information from hook_views_data().
*
* @param array $data
* An array of all information about Views tables and fields, collected from
* hook_views_data(), passed by reference.
*
* @see hook_views_data()
*/
public function alterViewsData(array &$data) {
$entity_types_with_moderation = array_filter($this->entityTypeManager->getDefinitions(), function (EntityTypeInterface $type) {
return $this->moderationInformation->canModerateEntitiesOfEntityType($type);
});
foreach ($entity_types_with_moderation as $type) {
$data[$type->getRevisionTable()]['latest_revision'] = [
'title' => t('Is Latest Revision'),
'help' => t('Restrict the view to only revisions that are the latest revision of their entity.'),
'filter' => ['id' => 'latest_revision'],
];
}
}
/**
* Gets the table of an entity type to be used as revision table in views.
*
* @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
* The entity type.
*
* @return string
* The revision base table.
*/
protected function getRevisionViewsTableForEntityType(EntityTypeInterface $entity_type) {
return $entity_type->getRevisionDataTable() ?: $entity_type->getRevisionTable();
}
}