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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\node\Form\NodeRevisionDeleteForm. | |
| */ | |
| namespace Drupal\node\Form; | |
| use Drupal\Core\Database\Connection; | |
| use Drupal\Core\Entity\EntityStorageInterface; | |
| use Drupal\Core\Form\ConfirmFormBase; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\Core\Url; | |
| use Symfony\Component\DependencyInjection\ContainerInterface; | |
| /** | |
| * Provides a form for reverting a node revision. | |
| */ | |
| class NodeRevisionDeleteForm extends ConfirmFormBase { | |
| /** | |
| * The node revision. | |
| * | |
| * @var \Drupal\node\NodeInterface | |
| */ | |
| protected $revision; | |
| /** | |
| * The node storage. | |
| * | |
| * @var \Drupal\Core\Entity\EntityStorageInterface | |
| */ | |
| protected $nodeStorage; | |
| /** | |
| * The node type storage. | |
| * | |
| * @var \Drupal\Core\Entity\EntityStorageInterface | |
| */ | |
| protected $nodeTypeStorage; | |
| /** | |
| * The database connection. | |
| * | |
| * @var \Drupal\Core\Database\Connection | |
| */ | |
| protected $connection; | |
| /** | |
| * Constructs a new NodeRevisionDeleteForm. | |
| * | |
| * @param \Drupal\Core\Entity\EntityStorageInterface $node_storage | |
| * The node storage. | |
| * @param \Drupal\Core\Entity\EntityStorageInterface $node_type_storage | |
| * The node type storage. | |
| * @param \Drupal\Core\Database\Connection $connection | |
| * The database connection. | |
| */ | |
| public function __construct(EntityStorageInterface $node_storage, EntityStorageInterface $node_type_storage, Connection $connection) { | |
| $this->nodeStorage = $node_storage; | |
| $this->nodeTypeStorage = $node_type_storage; | |
| $this->connection = $connection; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public static function create(ContainerInterface $container) { | |
| $entity_manager = $container->get('entity.manager'); | |
| return new static( | |
| $entity_manager->getStorage('node'), | |
| $entity_manager->getStorage('node_type'), | |
| $container->get('database') | |
| ); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getFormId() { | |
| return 'node_revision_delete_confirm'; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getQuestion() { | |
| return t('Are you sure you want to delete the revision from %revision-date?', array('%revision-date' => format_date($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('Delete'); | |
| } | |
| /** | |
| * {@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) { | |
| $this->nodeStorage->deleteRevision($this->revision->getRevisionId()); | |
| $this->logger('content')->notice('@type: deleted %title revision %revision.', array('@type' => $this->revision->bundle(), '%title' => $this->revision->label(), '%revision' => $this->revision->getRevisionId())); | |
| $node_type = $this->nodeTypeStorage->load($this->revision->bundle())->label(); | |
| drupal_set_message(t('Revision from %revision-date of @type %title has been deleted.', array('%revision-date' => format_date($this->revision->getRevisionCreationTime()), '@type' => $node_type, '%title' => $this->revision->label()))); | |
| $form_state->setRedirect( | |
| 'entity.node.canonical', | |
| array('node' => $this->revision->id()) | |
| ); | |
| if ($this->connection->query('SELECT COUNT(DISTINCT vid) FROM {node_field_revision} WHERE nid = :nid', array(':nid' => $this->revision->id()))->fetchField() > 1) { | |
| $form_state->setRedirect( | |
| 'entity.node.version_history', | |
| array('node' => $this->revision->id()) | |
| ); | |
| } | |
| } | |
| } |