UserRevisionRevertForm.php in User Revision 8

Namespace

Drupal\user_revision\Form

File

src/Form/UserRevisionRevertForm.php

<?php

namespace Drupal\user_revision\Form;

use Drupal\Core\Form\ConfirmFormBase;
use Drupal\Core\Entity\EntityStorageInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

/**
 * Provides a form for reverting a user revision.
 */
class UserRevisionRevertForm extends ConfirmFormBase {

  /**
   * The user revision.
   *
   * @var \Drupal\user\UserInterface
   */
  protected $revision;

  /**
   * The user storage.
   *
   * @var \Drupal\Core\Entity\EntityStorageInterface
   */
  protected $userStorage;

  /**
   * Constructs a new UserRevisionRevertForm.
   *
   * @param \Drupal\Core\Entity\EntityStorageInterface $user_storage
   *   The user storage.
   */
  public function __construct(EntityStorageInterface $user_storage) {
    $this->userStorage = $user_storage;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity.manager')
      ->getStorage('user'));
  }

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

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return t('Are you sure you want to revert to the revision from %revision-date?', array(
      '%revision-date' => \Drupal::service('date.formatter')
        ->format($this->revision->revision_timestamp->value),
    ));
  }

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return new Url('entity.user.version_history', array(
      'user' => $this->revision
        ->id(),
    ));
  }

  /**
   * {@inheritdoc}
   */
  public function getConfirmText() {
    return t('Revert');
  }

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, $user = NULL, $user_revision = NULL) {
    $this->revision = $this->userStorage
      ->loadRevision($user_revision);
    if ($this->revision
      ->id() != $user) {
      throw new NotFoundHttpException();
    }
    return parent::buildForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->revision
      ->setNewRevision();

    // Make this the new default revision for the user.
    $this->revision
      ->isDefaultRevision(TRUE);

    // The revision timestamp will be updated when the revision is saved. Keep the
    // original one for the confirmation message.
    $original_revision_timestamp = $this->revision->revision_timestamp->value;
    $this->revision->revision_log = t('Copy of the revision from %date.', array(
      '%date' => \Drupal::service('date.formatter')
        ->format($original_revision_timestamp),
    ));
    $this->revision
      ->save();
    $this
      ->logger('user_revision')
      ->notice('user: reverted %name revision %revision.', array(
      '%name' => $this->revision
        ->label(),
      '%revision' => $this->revision
        ->getRevisionId(),
    ));
    $this
      ->messenger()
      ->addStatus(t('User %name has been reverted back to the revision from %revision-date.', array(
      '%name' => $this->revision
        ->label(),
      '%revision-date' => \Drupal::service('date.formatter')
        ->format($original_revision_timestamp),
    )));
    $form_state
      ->setRedirect('entity.user.version_history', array(
      'user' => $this->revision
        ->id(),
    ));
  }

}

Classes

Name	Description
UserRevisionRevertForm	Provides a form for reverting a user revision.