MultiversionNodeController.php in Multiversion 8

Namespace

Drupal\multiversion\Controller

File

src/Controller/MultiversionNodeController.php

<?php

namespace Drupal\multiversion\Controller;

use Drupal\Component\Utility\Xss;
use Drupal\Core\Url;
use Drupal\node\Controller\NodeController;
use Drupal\node\NodeInterface;

/**
 * Returns responses for Node routes.
 */
class MultiversionNodeController extends NodeController {

  /**
   * {@inheritdoc}
   */
  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 = [
      $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');
    $rows = [];
    $default_revision = $node
      ->getRevisionId();
    $current_revision_displayed = FALSE;
    foreach ($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');

        // We treat also the latest translation-affecting revision as current
        // revision, if it was the default revision, as its values for the
        // current language will be the same of the current default revision in
        // this case.
        $is_current_revision = $vid == $default_revision || !$current_revision_displayed && $revision
          ->wasDefaultRevision();
        if (!$is_current_revision) {
          $link = $this
            ->l($date, new Url('entity.node.revision', [
            'node' => $node
              ->id(),
            'node_revision' => $vid,
          ]));
        }
        else {
          $link = $node
            ->link($date);
          $current_revision_displayed = TRUE;
        }
        $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[] = $column;
        if ($is_current_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,
              ]),
            ];
          }
          $row[] = [
            'data' => [
              '#type' => 'operations',
              '#links' => $links,
            ],
          ];
          $rows[] = $row;
        }
      }
    }
    $build['node_revisions_table'] = [
      '#theme' => 'table',
      '#rows' => $rows,
      '#header' => $header,
      '#attached' => [
        'library' => [
          'node/drupal.node.admin',
        ],
      ],
      '#attributes' => [
        'class' => 'node-revision-table',
      ],
    ];
    $build['pager'] = [
      '#type' => 'pager',
    ];
    return $build;
  }

}

Classes

Name	Description
MultiversionNodeController	Returns responses for Node routes.