class NodeController in Drupal 9

Same name and namespace in other branches

8 core/modules/node/src/Controller/NodeController.php \Drupal\node\Controller\NodeController

Returns responses for Node routes.

Hierarchy

class \Drupal\Core\Controller\ControllerBase implements ContainerInjectionInterface uses LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
- class \Drupal\node\Controller\NodeController implements ContainerInjectionInterface

Expanded class hierarchy of NodeController

File

core/modules/node/src/Controller/NodeController.php, line 21

Namespace

Drupal\node\Controller

View source

class NodeController extends ControllerBase implements ContainerInjectionInterface {

  /**
   * The date formatter service.
   *
   * @var \Drupal\Core\Datetime\DateFormatterInterface
   */
  protected $dateFormatter;

  /**
   * The renderer service.
   *
   * @var \Drupal\Core\Render\RendererInterface
   */
  protected $renderer;

  /**
   * The entity repository service.
   *
   * @var \Drupal\Core\Entity\EntityRepositoryInterface
   */
  protected $entityRepository;

  /**
   * Constructs a NodeController object.
   *
   * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
   *   The date formatter service.
   * @param \Drupal\Core\Render\RendererInterface $renderer
   *   The renderer service.
   * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
   *   The entity repository.
   */
  public function __construct(DateFormatterInterface $date_formatter, RendererInterface $renderer, EntityRepositoryInterface $entity_repository) {
    $this->dateFormatter = $date_formatter;
    $this->renderer = $renderer;
    $this->entityRepository = $entity_repository;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('date.formatter'), $container
      ->get('renderer'), $container
      ->get('entity.repository'));
  }

  /**
   * Displays add content links for available content types.
   *
   * Redirects to node/add/[type] if only one content type is available.
   *
   * @return array|\Symfony\Component\HttpFoundation\RedirectResponse
   *   A render array for a list of the node types that can be added; however,
   *   if there is only one node type defined for the site, the function
   *   will return a RedirectResponse to the node add page for that one node
   *   type.
   */
  public function addPage() {
    $definition = $this
      ->entityTypeManager()
      ->getDefinition('node_type');
    $build = [
      '#theme' => 'node_add_list',
      '#cache' => [
        'tags' => $this
          ->entityTypeManager()
          ->getDefinition('node_type')
          ->getListCacheTags(),
      ],
    ];
    $content = [];
    $types = $this
      ->entityTypeManager()
      ->getStorage('node_type')
      ->loadMultiple();
    uasort($types, [
      $definition
        ->getClass(),
      'sort',
    ]);

    // Only use node types the user has access to.
    foreach ($types as $type) {
      $access = $this
        ->entityTypeManager()
        ->getAccessControlHandler('node')
        ->createAccess($type
        ->id(), NULL, [], TRUE);
      if ($access
        ->isAllowed()) {
        $content[$type
          ->id()] = $type;
      }
      $this->renderer
        ->addCacheableDependency($build, $access);
    }

    // Bypass the node/add listing if only one content type is available.
    if (count($content) == 1) {
      $type = array_shift($content);
      return $this
        ->redirect('node.add', [
        'node_type' => $type
          ->id(),
      ]);
    }
    $build['#content'] = $content;
    return $build;
  }

  /**
   * Displays a node revision.
   *
   * @param \Drupal\node\NodeInterface $node_revision
   *   The node revision.
   *
   * @return array
   *   An array suitable for \Drupal\Core\Render\RendererInterface::render().
   */
  public function revisionShow(NodeInterface $node_revision) {
    $node_view_controller = new NodeViewController($this
      ->entityTypeManager(), $this->renderer, $this
      ->currentUser(), $this->entityRepository);
    $page = $node_view_controller
      ->view($node_revision);
    unset($page['nodes'][$node_revision
      ->id()]['#cache']);
    return $page;
  }

  /**
   * Page title callback for a node revision.
   *
   * @param \Drupal\node\NodeInterface $node_revision
   *   The node revision.
   *
   * @return string
   *   The page title.
   */
  public function revisionPageTitle(NodeInterface $node_revision) {
    return $this
      ->t('Revision of %title from %date', [
      '%title' => $node_revision
        ->label(),
      '%date' => $this->dateFormatter
        ->format($node_revision
        ->getRevisionCreationTime()),
    ]);
  }

  /**
   * Generates an overview table of older revisions of a node.
   *
   * @param \Drupal\node\NodeInterface $node
   *   A node object.
   *
   * @return array
   *   An array as expected by \Drupal\Core\Render\RendererInterface::render().
   */
  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
      ->entityTypeManager()
      ->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');
    $delete_permission = ($account
      ->hasPermission("delete {$type} revisions") || $account
      ->hasPermission('delete all revisions') || $account
      ->hasPermission('administer nodes')) && $node
      ->access('delete');
    $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) {
          $link = Link::fromTextAndUrl($date, new Url('entity.node.revision', [
            'node' => $node
              ->id(),
            'node_revision' => $vid,
          ]))
            ->toString();
        }
        else {
          $link = $node
            ->toLink($date)
            ->toString();
          $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' => $vid,
              ]),
            ];
          }
          if ($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'] = [
      '#theme' => 'table',
      '#rows' => $rows,
      '#header' => $header,
      '#attached' => [
        'library' => [
          'node/drupal.node.admin',
        ],
      ],
      '#attributes' => [
        'class' => 'node-revision-table',
      ],
    ];
    $build['pager'] = [
      '#type' => 'pager',
    ];
    return $build;
  }

  /**
   * The _title_callback for the node.add route.
   *
   * @param \Drupal\node\NodeTypeInterface $node_type
   *   The current node.
   *
   * @return string
   *   The page title.
   */
  public function addPageTitle(NodeTypeInterface $node_type) {
    return $this
      ->t('Create @name', [
      '@name' => $node_type
        ->label(),
    ]);
  }

  /**
   * Gets a list of node revision IDs for a specific node.
   *
   * @param \Drupal\node\NodeInterface $node
   *   The node entity.
   * @param \Drupal\node\NodeStorageInterface $node_storage
   *   The node storage handler.
   *
   * @return int[]
   *   Node revision IDs (in descending order).
   */
  protected function getRevisionIds(NodeInterface $node, NodeStorageInterface $node_storage) {
    $result = $node_storage
      ->getQuery()
      ->accessCheck(TRUE)
      ->allRevisions()
      ->condition($node
      ->getEntityType()
      ->getKey('id'), $node
      ->id())
      ->sort($node
      ->getEntityType()
      ->getKey('revision'), 'DESC')
      ->pager(50)
      ->execute();
    return array_keys($result);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ControllerBase::$configFactory	protected	property	The configuration factory.
ControllerBase::$currentUser	protected	property	The current user service.	1
ControllerBase::$entityFormBuilder	protected	property	The entity form builder.
ControllerBase::$entityTypeManager	protected	property	The entity type manager.
ControllerBase::$formBuilder	protected	property	The form builder.	2
ControllerBase::$keyValue	protected	property	The key-value storage.	1
ControllerBase::$languageManager	protected	property	The language manager.	1
ControllerBase::$moduleHandler	protected	property	The module handler.	2
ControllerBase::$stateService	protected	property	The state service.
ControllerBase::cache	protected	function	Returns the requested cache bin.
ControllerBase::config	protected	function	Retrieves a configuration object.
ControllerBase::container	private	function	Returns the service container.
ControllerBase::currentUser	protected	function	Returns the current user.	1
ControllerBase::entityFormBuilder	protected	function	Retrieves the entity form builder.
ControllerBase::entityTypeManager	protected	function	Retrieves the entity type manager.
ControllerBase::formBuilder	protected	function	Returns the form builder service.	2
ControllerBase::keyValue	protected	function	Returns a key/value storage collection.	1
ControllerBase::languageManager	protected	function	Returns the language manager service.	1
ControllerBase::moduleHandler	protected	function	Returns the module handler.	2
ControllerBase::redirect	protected	function	Returns a redirect response object for the specified route.
ControllerBase::state	protected	function	Returns the state storage service.
LoggerChannelTrait::$loggerFactory	protected	property	The logger channel factory service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
NodeController::$dateFormatter	protected	property	The date formatter service.
NodeController::$entityRepository	protected	property	The entity repository service.
NodeController::$renderer	protected	property	The renderer service.
NodeController::addPage	public	function	Displays add content links for available content types.
NodeController::addPageTitle	public	function	The _title_callback for the node.add route.
NodeController::create	public static	function	Instantiates a new instance of this class. Overrides ControllerBase::create
NodeController::getRevisionIds	protected	function	Gets a list of node revision IDs for a specific node.
NodeController::revisionOverview	public	function	Generates an overview table of older revisions of a node.
NodeController::revisionPageTitle	public	function	Page title callback for a node revision.
NodeController::revisionShow	public	function	Displays a node revision.
NodeController::__construct	public	function	Constructs a NodeController object.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	4
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.

You are here

class NodeController in Drupal 9

Hierarchy

File

Namespace

Members

API Navigation