/**
  * @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;
 }
 /**
  * Gets an array of entity type permissions.
  *
  * @param ContentEntityTypeInterface $entity_type
  *   The custom entity definition.
  *
  * @return array
  *   The entity type permissions.
  *
  * @see \Drupal\user\PermissionHandlerInterface::getPermissions()
  */
 public function entityPermissions(ContentEntityTypeInterface $entity_type = NULL)
 {
     $perms = [];
     if (!empty($entity_type)) {
         // Get the entity ID.
         $entity_type_id = $entity_type->id();
         // Build replacement data for lables and descriptions.
         $replacements = ['@entity_type_id' => $entity_type_id, '@entity_label' => $entity_type->getLabel()];
         // Add the default entity permissions.
         $perms = ["bypass {$entity_type_id} access" => ['title' => $this->t('Bypass @entity_label access control', $replacements), 'description' => $this->t('View, edit and delete all @entity_label regardless of permission restrictions.', $replacements), 'restrict access' => TRUE], "administer {$entity_type_id} types" => ['title' => $this->t('Administer @entity_label types', $replacements), 'description' => $this->t('Promote, change ownership, edit revisions, and perform other tasks across all @entity_label types.', $replacements), 'restrict access' => TRUE], "administer {$entity_type_id}" => ['title' => $this->t('Administer @entity_label', $replacements), 'restrict access' => TRUE], "access {$entity_type_id} overview" => ['title' => $this->t('Access the @entity_label overview page', $replacements), 'description' => $this->t('Get an overview of all @entity_label.', $replacements)], "access {$entity_type_id}" => ['title' => $this->t('View published @entity_label', $replacements)], "view own unpublished {$entity_type_id}" => ['title' => $this->t('View own unpublished @entity_label', $replacements)], "view all {$entity_type_id} revisions" => ['title' => $this->t('View all @entity_label revisions', $replacements)], "revert all {$entity_type_id} revisions" => ['title' => $this->t('Revert all @entity_label revisions', $replacements), 'description' => $this->t('Role requires permission <em>View all @entity_label revisions</em> and <em>edit rights</em> for @entity_label in question or <em>Administer @entity_label</em>.', $replacements)], "delete all {$entity_type_id} revisions" => ['title' => $this->t('Delete all @entity_label revisions', $replacements), 'description' => $this->t('Role requires permission to <em>View all @entity_label revisions</em> and <em>delete rights</em> for @entity_label in question or <em>Administer @entity_label</em>.', $replacements)]];
         // Load bundles if any are defined.
         if (($entity_type_storage = $this->entityManager->getStorage($entity_type->getBundleEntityType())) && ($entity_types = $entity_type_storage->loadMultiple())) {
             // Generate entity permissions for all types for this entity.
             foreach ($entity_types as $type) {
                 $perms += $this->buildPermissions($type);
             }
         }
     }
     return $perms;
 }
 /**
  * Provides the page title for the entity form.
  *
  * @param \Drupal\Core\Entity\ContentEntityTypeInterface $entity_definition
  *   The custom entity definition.
  * @param \Drupal\content_entity_base\Entity\EntityTypeBaseInterface $entity_bundle
  *   The custom entity type bundle to use.
  *
  * @return string
  *   The page title.
  */
 public function getAddFormTitle(ContentEntityTypeInterface $entity_definition = NULL, EntityTypeBaseInterface $entity_bundle = NULL)
 {
     // Build the form page title using the type.
     return $this->t('Add %type @entity_label', ['@entity_label' => $entity_definition->getLabel(), '%type' => $entity_bundle ? $entity_bundle->label() : 'Invalid Bundle']);
 }