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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\node\Form\NodeRevisionRevertForm. | |
| */ | |
| namespace Drupal\node\Form; | |
| use Drupal\Core\Datetime\DateFormatter; | |
| 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; | |
| /** | |
| * Provides a form for reverting a node revision. | |
| */ | |
| class NodeRevisionRevertForm extends ConfirmFormBase { | |
| /** | |
| * The node revision. | |
| * | |
| * @var \Drupal\node\NodeInterface | |
| */ | |
| protected $revision; | |
| /** | |
| * The node storage. | |
| * | |
| * @var \Drupal\Core\Entity\EntityStorageInterface | |
| */ | |
| protected $nodeStorage; | |
| /** | |
| * The date formatter service. | |
| * | |
| * @var \Drupal\Core\Datetime\DateFormatter | |
| */ | |
| protected $dateFormatter; | |
| /** | |
| * Constructs a new NodeRevisionRevertForm. | |
| * | |
| * @param \Drupal\Core\Entity\EntityStorageInterface $node_storage | |
| * The node storage. | |
| * @param \Drupal\Core\Datetime\DateFormatter $date_formatter | |
| * The date formatter service. | |
| */ | |
| public function __construct(EntityStorageInterface $node_storage, DateFormatter $date_formatter) { | |
| $this->nodeStorage = $node_storage; | |
| $this->dateFormatter = $date_formatter; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public static function create(ContainerInterface $container) { | |
| return new static( | |
| $container->get('entity.manager')->getStorage('node'), | |
| $container->get('date.formatter') | |
| ); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getFormId() { | |
| return 'node_revision_revert_confirm'; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getQuestion() { | |
| return t('Are you sure you want to revert to the revision from %revision-date?', ['%revision-date' => $this->dateFormatter->format($this->revision->getRevisionCreationTime())]); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getCancelUrl() { | |
| return new Url('entity.node.version_history', array('node' => $this->revision->id())); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getConfirmText() { | |
| return t('Revert'); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getDescription() { | |
| return ''; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function buildForm(array $form, FormStateInterface $form_state, $node_revision = NULL) { | |
| $this->revision = $this->nodeStorage->loadRevision($node_revision); | |
| $form = parent::buildForm($form, $form_state); | |
| return $form; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function submitForm(array &$form, FormStateInterface $form_state) { | |
| // The revision timestamp will be updated when the revision is saved. Keep | |
| // the original one for the confirmation message. | |
| $original_revision_timestamp = $this->revision->getRevisionCreationTime(); | |
| $this->revision = $this->prepareRevertedRevision($this->revision, $form_state); | |
| $this->revision->revision_log = t('Copy of the revision from %date.', ['%date' => $this->dateFormatter->format($original_revision_timestamp)]); | |
| $this->revision->save(); | |
| $this->logger('content')->notice('@type: reverted %title revision %revision.', ['@type' => $this->revision->bundle(), '%title' => $this->revision->label(), '%revision' => $this->revision->getRevisionId()]); | |
| drupal_set_message(t('@type %title has been reverted to the revision from %revision-date.', ['@type' => node_get_type_label($this->revision), '%title' => $this->revision->label(), '%revision-date' => $this->dateFormatter->format($original_revision_timestamp)])); | |
| $form_state->setRedirect( | |
| 'entity.node.version_history', | |
| array('node' => $this->revision->id()) | |
| ); | |
| } | |
| /** | |
| * Prepares a revision to be reverted. | |
| * | |
| * @param \Drupal\node\NodeInterface $revision | |
| * The revision to be reverted. | |
| * @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) { | |
| $revision->setNewRevision(); | |
| $revision->isDefaultRevision(TRUE); | |
| return $revision; | |
| } | |
| } |