entity_legal-4.0.x-dev/src/Plugin/EntityLegal/ProfileForm.php

<?php

declare(strict_types=1);

namespace Drupal\entity_legal\Plugin\EntityLegal;

use Drupal\Core\Form\FormStateInterface;
use Drupal\entity_legal\EntityLegalPluginBase;

/**
 * Method class for displaying a checkbox on the user register form.
 *
 * @EntityLegal(
 *   id = "form_link",
 *   label = @Translation("Checkbox on signup form"),
 *   type = "new_users",
 * )
 */
class ProfileForm extends EntityLegalPluginBase {

  /**
   * {@inheritdoc}
   */
  public function execute(array &$context = []): void {
    if (!empty($this->getDocumentsForMethod())) {
      $context['form']['actions']['submit']['#submit'][] = [
        get_class($this),
        'submitForm',
      ];

      foreach ($this->getDocumentsForMethod() as $document) {
        $context['form']['#cache']['tags'][] = "entity_legal_document:{$document->id()}";

        $context['form']["legal_{$document->id()}"] = [
          '#type' => 'checkbox',
          '#title' => $document->getAcceptanceLabel(),
          '#default_value' => $document->userHasAgreed(),
          '#required' => TRUE,
        ];

        $context['form']['#entity_legal'] = $this;
      }
    }
  }

  /**
   * Submit handler for user register form.
   */
  public static function submitForm(array &$form, FormStateInterface $form_state) {
    /** @var \Drupal\entity_legal\EntityLegalDocumentInterface $document */
    foreach ($form['#entity_legal']->documents as $document) {
      if (!empty($form_state->getValue(['legal_' . $document->id()]))) {
        $published_version = $document->getPublishedVersion();
        $acceptance = \Drupal::entityTypeManager()
          ->getStorage(ENTITY_LEGAL_DOCUMENT_ACCEPTANCE_ENTITY_NAME)
          ->create([
            'uid' => $form_state->getValue('uid'),
            'vid' => $published_version->id(),
          ]);
        $acceptance->save();
      }
    }
  }

}