commerce_add_to_cart_link-2.0.0/src/Form/AdminSettingsForm.php

<?php

namespace Drupal\commerce_add_to_cart_link\Form;

use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Form\ConfigFormBase;
use Drupal\Core\Form\FormStateInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides the admin form for editing module settings.
 */
class AdminSettingsForm extends ConfigFormBase {

  /**
   * The user role storage.
   *
   * @var \Drupal\user\RoleStorageInterface
   */
  protected $roleStorage;

  /**
   * Constructs a AdminSettingsForm object.
   *
   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
   *   The factory for configuration objects.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   */
  public function __construct(ConfigFactoryInterface $config_factory, EntityTypeManagerInterface $entity_type_manager) {
    $this->setConfigFactory($config_factory);
    $this->roleStorage = $entity_type_manager->getStorage('user_role');
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static(
      $container->get('config.factory'),
      $container->get('entity_type.manager')
    );
  }

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'commerce_add_to_cart_link_settings_form';
  }

  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return [
      'commerce_add_to_cart_link.settings',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $config = $this->config('commerce_add_to_cart_link.settings');

    $form['csrf_token'] = [
      '#type' => 'details',
      '#title' => $this->t('Token protection'),
      '#open' => TRUE,
      '#tree' => TRUE,
    ];

    /** @var \Drupal\user\RoleInterface[] $roles */
    $roles = $this->roleStorage->loadMultiple();
    usort($roles, function ($a, $b) {
      /**
       * @var \Drupal\user\RoleInterface $a
       * @var \Drupal\user\RoleInterface $b
       */
      return $a->getWeight() - $b->getWeight();
    });

    $role_options = array_reduce($roles, function ($result, $item) {
      /** @var \Drupal\user\RoleInterface $item */
      $result[$item->id()] = $item->label();
      return $result;
    }, []);

    $form['csrf_token']['roles'] = [
      '#type' => 'checkboxes',
      '#title' => $this->t('Roles'),
      '#description' => $this->t('Add to cart and add to wishlist links will be protected with a CSRF token for users having at least one role checked here.'),
      '#options' => $role_options,
      '#default_value' => $config->get('csrf_token.roles'),
    ];

    $form['redirect_back'] = [
      '#type' => 'checkbox',
      '#title' => $this->t('Redirect back to referer'),
      '#description' => $this->t('If checked, the user will be redirected back to the referer instead of the cart/wishlist page, if the referer is a valid internal url.'),
      '#default_value' => $config->get('redirect_back'),
    ];

    return parent::buildForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $roles = array_values(array_filter($form_state->getValue([
      'csrf_token',
      'roles',
    ])));
    $this->config('commerce_add_to_cart_link.settings')
      ->set('csrf_token.roles', $roles)
      ->set('redirect_back', $form_state->getValue('redirect_back'))
      ->save();

    parent::submitForm($form, $form_state);
  }

}