function EntityField::blockAccess

Overrides BlockPluginTrait::blockAccess

File

modules/ctools_block/src/Plugin/Block/EntityField.php, line 156

Class

EntityField

Provides a block to a field on an entity.

Namespace

Code

protected function blockAccess(AccountInterface $account) {
    
    /** @var \Drupal\Core\Entity\EntityInterface $entity */
    $entity = $this->getContextValue('entity');
    // Make sure we have access to the entity.
    $access = $entity->access('view', $account, TRUE);
    if ($access->isAllowed()) {
        // Check that the entity in question has this field.
        if ($entity instanceof FieldableEntityInterface && $entity->hasField($this->fieldName)) {
            // Check field access.
            $field_access = $this->entityTypeManager
                ->getAccessControlHandler($this->entityTypeId)
                ->fieldAccess('view', $this->getFieldDefinition(), $account);
            if ($field_access) {
                // Build a renderable array for the field.
                $build = $entity->get($this->fieldName)
                    ->view($this->configuration['formatter']);
                // If there are actual renderable children, grant access.
                if (Element::children($build)) {
                    return AccessResult::allowed();
                }
            }
        }
        // Entity doesn't have this field, so access is denied.
        return AccessResult::forbidden();
    }
    // If we don't have access to the entity, return the forbidden result.
    return $access;
}