entity_reference_integrity_enforce.module in Entity Reference Integrity 8

Module file.

File

modules/entity_reference_integrity_enforce/entity_reference_integrity_enforce.module

<?php

/**
 * @file
 * Module file.
 */
use Drupal\Core\Access\AccessResult;
use Drupal\Core\Access\AccessResultForbidden;
use Drupal\Core\Action\Plugin\Action\DeleteAction as CoreDeleteAction;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\entity_reference_integrity\EntityReferenceIntegrityEntityHandler;
use Drupal\entity_reference_integrity_enforce\FormAlter;
use Drupal\entity_reference_integrity_enforce\EntityPredelete;
use Drupal\entity_reference_integrity_enforce\Plugin\Action\DeleteAction;

/**
 * Implements hook_form_alter().
 */
function entity_reference_integrity_enforce_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  \Drupal::service('class_resolver')
    ->getInstanceFromDefinition(FormAlter::class)
    ->formAlter($form, $form_state, $form_id);
}

/**
 * Implements hook_entity_predelete().
 */
function entity_reference_integrity_enforce_entity_predelete(EntityInterface $entity) {
  \Drupal::service('class_resolver')
    ->getInstanceFromDefinition(EntityPredelete::class)
    ->entityDelete($entity);
}

/**
 * Implements hook_entity_access().
 */
function entity_reference_integrity_enforce_entity_access(EntityInterface $entity, $operation, AccountInterface $account) {

  // Only check access for delete operations.
  if ($operation != 'delete') {
    return AccessResult::neutral();
  }

  // Only check access for valid routes. This can return NULL.
  $route = \Drupal::routeMatch()
    ->getRouteObject();
  if (empty($route)) {
    return AccessResult::neutral();
  }

  // Only check access for API endpoints by checking the route _format.
  // @todo Check formats for other API endpoints such as GraphQL and REST.
  $api_formats = [
    'api_json',
  ];
  $format = $route
    ->getRequirement('_format');
  if (empty($format) || !in_array($format, $api_formats)) {
    return AccessResult::neutral();
  }

  /** @var \Drupal\entity_reference_integrity\EntityReferenceIntegrityEntityHandler $entity_reference_integrity_handler */
  $entity_reference_integrity_handler = \Drupal::entityTypeManager()
    ->getHandler($entity
    ->getEntityTypeId(), 'entity_reference_integrity');
  $enabled_entity_type_ids = \Drupal::configFactory()
    ->get('entity_reference_integrity_enforce.settings')
    ->get('enabled_entity_type_ids');

  // Finally deny access if the entity has dependents.
  if (in_array($entity
    ->getEntityTypeId(), $enabled_entity_type_ids, TRUE) && $entity_reference_integrity_handler
    ->hasDependents($entity)) {
    $reason = EntityReferenceIntegrityEntityHandler::getAccessDeniedReason($entity, FALSE);
    return new AccessResultForbidden($reason);
  }
  return AccessResult::neutral();
}

/**
 * Implements hook_module_implements_alter().
 */
function entity_reference_integrity_enforce_module_implements_alter(&$implementations, $hook) {
  if ($hook !== 'entity_predelete') {
    return;
  }
  unset($implementations['entity_reference_integrity_enforce']);
  $implementations = [
    'entity_reference_integrity_enforce' => FALSE,
  ] + $implementations;
}

/**
 * Implements hook_action_info_alter().
 */
function entity_reference_integrity_enforce_action_info_alter(&$definitions) {

  // Replace the core entity:delete_action plugin.
  foreach ($definitions as &$definition) {
    if ($definition['id'] === 'entity:delete_action' && $definition['class'] === CoreDeleteAction::class) {
      $definition['class'] = DeleteAction::class;
      break;
    }
  }
}

Functions

Name	Description
entity_reference_integrity_enforce_action_info_alter	Implements hook_action_info_alter().
entity_reference_integrity_enforce_entity_access	Implements hook_entity_access().
entity_reference_integrity_enforce_entity_predelete	Implements hook_entity_predelete().
entity_reference_integrity_enforce_form_alter	Implements hook_form_alter().
entity_reference_integrity_enforce_module_implements_alter	Implements hook_module_implements_alter().