/**
* Prepares a revision to be reverted.
*
* @param \Drupal\node\NodeInterface $revision
* The revision to be reverted.
* The type of $revision should be
* \Drupal\Core\Entity\ContentEntityInterface. But at the moment we need to
* stay compatible with
* \Drupal\node\Form\NodeRevisionRevertForm::prepareRevertedRevision(). See
* https://www.drupal.org/node/2350939
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
*
* @return \Drupal\node\NodeInterface
* The prepared revision ready to be stored.
*/
protected function prepareRevertedRevision(NodeInterface $revision, FormStateInterface $form_state) {
foreach ($revision->getFieldDefinitions() as $field_name => $definition) {
if ($form_state->getValue('revert_' . $field_name)) {
$this->latestRevision->set($field_name, $revision->get($field_name)->getValue());
}
}
$this->latestRevision->setNewRevision();
$this->latestRevision->isDefaultRevision(TRUE);
return $this->latestRevision;
}
