/**
* {@inheritdoc}
*/
protected function prepareEntity()
{
parent::prepareEntity();
$bundle_entity = $this->getBundleEntity();
// Set up default values, if required.
if (!$this->entity->isNew()) {
$this->entity->setRevisionLogMessage(NULL);
}
if ($bundle_entity instanceof RevisionableEntityBundleInterface) {
// Always use the default revision setting.
$this->entity->setNewRevision($bundle_entity && $bundle_entity->shouldCreateNewRevision());
}
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state)
{
// The revision timestamp will be updated when the revision is saved. Keep
// the original one for the confirmation message.
$this->revision = $this->prepareRevision($this->revision);
if ($this->revision instanceof RevisionLogInterface) {
$original_revision_timestamp = $this->revision->getRevisionCreationTime();
$this->revision->setRevisionLogMessage($this->t('Copy of the revision from %date.', ['%date' => $this->dateFormatter->format($original_revision_timestamp)]));
drupal_set_message(t('@type %title has been reverted to the revision from %revision-date.', ['@type' => $this->getBundleLabel($this->revision), '%title' => $this->revision->label(), '%revision-date' => $this->dateFormatter->format($original_revision_timestamp)]));
} else {
drupal_set_message(t('@type %title has been reverted', ['@type' => $this->getBundleLabel($this->revision), '%title' => $this->revision->label()]));
}
$this->revision->save();
$this->logger('content')->notice('@type: reverted %title revision %revision.', ['@type' => $this->revision->bundle(), '%title' => $this->revision->label(), '%revision' => $this->revision->getRevisionId()]);
$form_state->setRedirect("entity.{$this->revision->getEntityTypeId()}.version_history", [$this->revision->getEntityTypeId() => $this->revision->id()]);
}
