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NodeController::revisionOverview

public NodeController::revisionOverview(NodeInterface $node)

Generates an overview table of older revisions of a node.

Parameters

\Drupal\node\NodeInterface $node: A node object.

Return value

array An array as expected by drupal_render().

File

core/modules/node/src/Controller/NodeController.php, line 159

Class

NodeController
Returns responses for Node routes.

Namespace

Drupal\node\Controller

Code

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public function revisionOverview(NodeInterface $node) {
  $account = $this->currentUser();
  $langcode = $node->language()->getId();
  $langname = $node->language()->getName();
  $languages = $node->getTranslationLanguages();
  $has_translations = (count($languages) > 1);
  $node_storage = $this->entityManager()->getStorage('node');
  $type = $node->getType();
 
  $build['#title'] = $has_translations ? $this->t('@langname revisions for %title', ['@langname' => $langname, '%title' => $node->label()]) : $this->t('Revisions for %title', ['%title' => $node->label()]);
  $header = array($this->t('Revision'), $this->t('Operations'));
 
  $revert_permission = (($account->hasPermission("revert $type revisions") || $account->hasPermission('revert all revisions') || $account->hasPermission('administer nodes')) && $node->access('update'));
  $delete_permission = (($account->hasPermission("delete $type revisions") || $account->hasPermission('delete all revisions') || $account->hasPermission('administer nodes')) && $node->access('delete'));
 
  $rows = array();
  $default_revision = $node->getRevisionId();
 
  foreach ($this->getRevisionIds($node, $node_storage) as $vid) {
    /** @var \Drupal\node\NodeInterface $revision */
    $revision = $node_storage->loadRevision($vid);
    // Only show revisions that are affected by the language that is being
    // displayed.
    if ($revision->hasTranslation($langcode) && $revision->getTranslation($langcode)->isRevisionTranslationAffected()) {
      $username = [
        '#theme' => 'username',
        '#account' => $revision->getRevisionUser(),
      ];
 
      // Use revision link to link to revisions that are not active.
      $date = $this->dateFormatter->format($revision->revision_timestamp->value, 'short');
      if ($vid != $node->getRevisionId()) {
        $link = $this->l($date, new Url('entity.node.revision', ['node' => $node->id(), 'node_revision' => $vid]));
      }
      else {
        $link = $node->link($date);
      }
 
      $row = [];
      $column = [
        'data' => [
          '#type' => 'inline_template',
          '#template' => '{% trans %}{{ date }} by {{ username }}{% endtrans %}{% if message %}<p class="revision-log">{{ message }}</p>{% endif %}',
          '#context' => [
            'date' => $link,
            'username' => $this->renderer->renderPlain($username),
            'message' => ['#markup' => $revision->revision_log->value, '#allowed_tags' => Xss::getHtmlTagList()],
          ],
        ],
      ];
      // @todo Simplify once https://www.drupal.org/node/2334319 lands.
      $this->renderer->addCacheableDependency($column['data'], $username);
      $row[] = $column;
 
      if ($vid == $default_revision) {
        $row[] = [
          'data' => [
            '#prefix' => '<em>',
            '#markup' => $this->t('Current revision'),
            '#suffix' => '</em>',
          ],
        ];
 
        $rows[] = [
          'data' => $row,
          'class' => ['revision-current'],
        ];
      }
      else {
        $links = [];
        if ($revert_permission) {
          $links['revert'] = [
            'title' => $vid < $node->getRevisionId() ? $this->t('Revert') : $this->t('Set as current revision'),
            'url' => $has_translations ?
              Url::fromRoute('node.revision_revert_translation_confirm', ['node' => $node->id(), 'node_revision' => $vid, 'langcode' => $langcode]) :
              Url::fromRoute('node.revision_revert_confirm', ['node' => $node->id(), 'node_revision' => $vid]),
          ];
        }
 
        if ($delete_permission) {
          $links['delete'] = [
            'title' => $this->t('Delete'),
            'url' => Url::fromRoute('node.revision_delete_confirm', ['node' => $node->id(), 'node_revision' => $vid]),
          ];
        }
 
        $row[] = [
          'data' => [
            '#type' => 'operations',
            '#links' => $links,
          ],
        ];
 
        $rows[] = $row;
      }
    }
  }
 
  $build['node_revisions_table'] = array(
    '#theme' => 'table',
    '#rows' => $rows,
    '#header' => $header,
    '#attached' => array(
      'library' => array('node/drupal.node.admin'),
    ),
    '#attributes' => ['class' => 'node-revision-table'],
  );
 
  $build['pager'] = array('#type' => 'pager');
 
  return $build;
}
doc_Drupal
doc_Drupal
2025-01-10 15:47:30
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