function menu_link_content_entity_predelete

Implements hook_entity_predelete().

File

core/modules/menu_link_content/menu_link_content.module, line 101

Code

function menu_link_content_entity_predelete(EntityInterface $entity) {
    
    /** @var \Drupal\Core\Menu\MenuLinkManagerInterface $menu_link_manager */
    $menu_link_manager = \Drupal::service('plugin.manager.menu.link');
    $entity_type_id = $entity->getEntityTypeId();
    foreach ($entity->uriRelationships() as $rel) {
        $url = $entity->toUrl($rel);
        // Entities can provide uri relationships that are not routed, in this case
        // getRouteParameters() will throw an exception.
        if (!$url->isRouted()) {
            continue;
        }
        $route_parameters = $url->getRouteParameters();
        if (!isset($route_parameters[$entity_type_id])) {
            // Do not delete links which do not relate to this exact entity. For
            // example, "collection", "add-form", etc.
            continue;
        }
        // Delete all MenuLinkContent links that point to this entity route.
        $result = $menu_link_manager->loadLinksByRoute($url->getRouteName(), $route_parameters);
        if ($result) {
            foreach ($result as $id => $instance) {
                if ($instance->isDeletable() && strpos($id, 'menu_link_content:') === 0) {
                    $instance->deleteLink();
                }
            }
        }
    }
}