update_page_top

update_page_top()

function update_page_top() {
  /** @var \Drupal\Core\Routing\AdminContext $admin_context */
  $admin_context = \Drupal::service('router.admin_context');
  $route_match = \Drupal::routeMatch();
  if ($admin_context->isAdminRoute($route_match->getRouteObject()) && \Drupal::currentUser()->hasPermission('administer site configuration')) {
    $route_name = \Drupal::routeMatch()->getRouteName();
    switch ($route_name) {
      // These pages don't need additional nagging.
      case 'update.theme_update':
      case 'system.theme_install':
      case 'update.module_update':
      case 'update.module_install':
      case 'update.status':
      case 'update.report_update':
      case 'update.report_install':
      case 'update.settings':
      case 'system.status':
      case 'update.confirmation_page':
        return;

        // If we are on the appearance or modules list, display a detailed report
        // of the update status.
      case 'system.themes_page':
      case 'system.modules_list':
        $verbose = TRUE;
        break;

    }
    module_load_install('update');
    $status = update_requirements('runtime');
    foreach (array('core', 'contrib') as $report_type) {
      $type = 'update_' . $report_type;
      // hook_requirements() supports render arrays therefore we need to render
      // them before using drupal_set_message().
      if (isset($status[$type]['description']) && is_array($status[$type]['description'])) {
        $status[$type]['description'] = \Drupal::service('renderer')->renderPlain($status[$type]['description']);
      }
      if (!empty($verbose)) {
        if (isset($status[$type]['severity'])) {
          if ($status[$type]['severity'] == REQUIREMENT_ERROR) {
            drupal_set_message($status[$type]['description'], 'error');
          }
          elseif ($status[$type]['severity'] == REQUIREMENT_WARNING) {
            drupal_set_message($status[$type]['description'], 'warning');
          }
        }
      }
      // Otherwise, if we're on *any* admin page and there's a security
      // update missing, print an error message about it.
      else {
        if (isset($status[$type])
         && isset($status[$type]['reason'])
           && $status[$type]['reason'] === UPDATE_NOT_SECURE) {
          drupal_set_message($status[$type]['description'], 'error');
        }
      }
    }
  }
}