ShortcutController.php

<?php

namespace Drupal\shortcut\Controller;

use Drupal\Core\Controller\ControllerBase;
use Drupal\shortcut\ShortcutSetInterface;
use Drupal\shortcut\ShortcutInterface;

/**
 * Provides route responses for taxonomy.module.
 */
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) {
            $this->messenger()
                ->addStatus($this->t('Unable to delete the shortcut for %title.', [
                '%title' => $label,
            ]), 'error');
        }
        return $this->redirect('<front>');
    }

}