--- /dev/null
+<?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();
+ }
+
+}
projects / yaffs-website / blobdiff