class ShortcutController

class ShortcutController extends ControllerBase {
  
  /**
   * Returns a form to add a new shortcut to a given set.
   *
   * @param \Drupal\shortcut\ShortcutSetInterface $shortcut_set
   *   The shortcut set this shortcut will be added to.
   *
   * @return array
   *   The shortcut add form.
   */
  public function addForm(ShortcutSetInterface $shortcut_set) {
    $shortcut = $this->entityTypeManager()
      ->getStorage('shortcut')
      ->create([
      'shortcut_set' => $shortcut_set->id(),
    ]);
    return $this->entityFormBuilder()
      ->getForm($shortcut, 'add');
  }
  
  /**
   * Deletes the selected shortcut.
   *
   * @param \Drupal\shortcut\ShortcutInterface $shortcut
   *   The shortcut to delete.
   *
   * @return \Symfony\Component\HttpFoundation\RedirectResponse
   *   A redirect to the previous location or the front page when destination
   *   is not set.
   */
  public function deleteShortcutLinkInline(ShortcutInterface $shortcut) {
    $label = $shortcut->label();
    try {
      $shortcut->delete();
      $this->messenger()
        ->addStatus($this->t('The shortcut %title has been deleted.', [
        '%title' => $label,
      ]));
    } catch (\Exception $e) {
      $this->messenger()
        ->addStatus($this->t('Unable to delete the shortcut for %title.', [
        '%title' => $label,
      ]), 'error');
    }
    return $this->redirect('<front>');
  }

}