View source
<?php
namespace Drupal\node\Form;
use Drupal\Component\Datetime\TimeInterface;
use Drupal\Core\Datetime\DateFormatterInterface;
use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Form\ConfirmFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Drupal\node\NodeInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
class NodeRevisionRevertForm extends ConfirmFormBase {
protected $revision;
protected $nodeStorage;
protected $dateFormatter;
protected $time;
public function __construct(EntityStorageInterface $node_storage, DateFormatterInterface $date_formatter, TimeInterface $time) {
$this->nodeStorage = $node_storage;
$this->dateFormatter = $date_formatter;
$this->time = $time;
}
public static function create(ContainerInterface $container) {
return new static($container
->get('entity_type.manager')
->getStorage('node'), $container
->get('date.formatter'), $container
->get('datetime.time'));
}
public function getFormId() {
return 'node_revision_revert_confirm';
}
public function getQuestion() {
return $this
->t('Are you sure you want to revert to the revision from %revision-date?', [
'%revision-date' => $this->dateFormatter
->format($this->revision
->getRevisionCreationTime()),
]);
}
public function getCancelUrl() {
return new Url('entity.node.version_history', [
'node' => $this->revision
->id(),
]);
}
public function getConfirmText() {
return $this
->t('Revert');
}
public function getDescription() {
return '';
}
public function buildForm(array $form, FormStateInterface $form_state, NodeInterface $node_revision = NULL) {
$this->revision = $node_revision;
$form = parent::buildForm($form, $form_state);
return $form;
}
public function submitForm(array &$form, FormStateInterface $form_state) {
$original_revision_timestamp = $this->revision
->getRevisionCreationTime();
$this->revision = $this
->prepareRevertedRevision($this->revision, $form_state);
$this->revision->revision_log = $this
->t('Copy of the revision from %date.', [
'%date' => $this->dateFormatter
->format($original_revision_timestamp),
]);
$this->revision
->setRevisionUserId($this
->currentUser()
->id());
$this->revision
->setRevisionCreationTime($this->time
->getRequestTime());
$this->revision
->setChangedTime($this->time
->getRequestTime());
$this->revision
->save();
$this
->logger('content')
->notice('@type: reverted %title revision %revision.', [
'@type' => $this->revision
->bundle(),
'%title' => $this->revision
->label(),
'%revision' => $this->revision
->getRevisionId(),
]);
$this
->messenger()
->addStatus($this
->t('@type %title has been reverted to the revision from %revision-date.', [
'@type' => node_get_type_label($this->revision),
'%title' => $this->revision
->label(),
'%revision-date' => $this->dateFormatter
->format($original_revision_timestamp),
]));
$form_state
->setRedirect('entity.node.version_history', [
'node' => $this->revision
->id(),
]);
}
protected function prepareRevertedRevision(NodeInterface $revision, FormStateInterface $form_state) {
$revision
->setNewRevision();
$revision
->isDefaultRevision(TRUE);
return $revision;
}
}