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<?php
namespace Drupal\node\Controller;
use Drupal\Component\Utility\Xss;
use Drupal\Core\Controller\ControllerBase;
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use Drupal\Core\Datetime\DateFormatterInterface;
use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
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use Drupal\Core\Language\LanguageInterface;
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use Drupal\Core\Render\RendererInterface;
use Drupal\Core\Url;
use Drupal\node\NodeTypeInterface;
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use Drupal\node\NodeInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
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/**
* Returns responses for Node routes.
*/
class NodeController extends ControllerBase implements ContainerInjectionInterface {
/**
* The date formatter service.
*
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* @var \Drupal\Core\Datetime\DateFormatterInterface
*/
protected $dateFormatter;
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/**
* The renderer service.
*
* @var \Drupal\Core\Render\RendererInterface
*/
protected $renderer;
/**
* Constructs a NodeController object.
*
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* @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
* The date formatter service.
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* @param \Drupal\Core\Render\RendererInterface $renderer
* The renderer service.
*/
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public function __construct(DateFormatterInterface $date_formatter, RendererInterface $renderer) {
$this->dateFormatter = $date_formatter;
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$this->renderer = $renderer;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
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return new static(
$container->get('date.formatter'),
$container->get('renderer')
);
}
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/**
* Displays add content links for available content types.
*
* Redirects to node/add/[type] if only one content type is available.
*
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* @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
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* will return a RedirectResponse to the node add page for that one node
* type.
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*/
public function addPage() {
$build = [
'#theme' => 'node_add_list',
'#cache' => [
'tags' => $this->entityManager()->getDefinition('node_type')->getListCacheTags(),
],
];
$content = array();
// Only use node types the user has access to.
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foreach ($this->entityManager()->getStorage('node_type')->loadMultiple() as $type) {
$access = $this->entityManager()->getAccessControlHandler('node')->createAccess($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', array('node_type' => $type->id()));
}
$build['#content'] = $content;
return $build;
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}
/**
* Provides the node submission form.
*
* @param \Drupal\node\NodeTypeInterface $node_type
* The node type entity for the node.
*
* @return array
* A node submission form.
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*/
public function add(NodeTypeInterface $node_type) {
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$node = $this->entityManager()->getStorage('node')->create(array(
'type' => $node_type->id(),
));
$form = $this->entityFormBuilder()->getForm($node);
return $form;
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}
/**
* Displays a node revision.
*
* @param int $node_revision
* The node revision ID.
*
* @return array
* An array suitable for drupal_render().
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*/
public function revisionShow($node_revision) {
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$node = $this->entityManager()->getStorage('node')->loadRevision($node_revision);
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$node_view_controller = new NodeViewController($this->entityManager, $this->renderer);
$page = $node_view_controller->view($node);
unset($page['nodes'][$node->id()]['#cache']);
return $page;
}
/**
* Page title callback for a node revision.
*
* @param int $node_revision
* The node revision ID.
*
* @return string
* The page title.
*/
public function revisionPageTitle($node_revision) {
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$node = $this->entityManager()->getStorage('node')->loadRevision($node_revision);
return $this->t('Revision of %title from %date', array('%title' => $node->label(), '%date' => format_date($node->getRevisionCreationTime())));
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}
/**
* 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_render().
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*/
public function revisionOverview(NodeInterface $node) {
$account = $this->currentUser();
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$langcode = $this->languageManager()->getCurrentLanguage(LanguageInterface::TYPE_CONTENT)->getId();
$langname = $this->languageManager()->getLanguageName($langcode);
$languages = $node->getTranslationLanguages();
$has_translations = (count($languages) > 1);
$node_storage = $this->entityManager()->getStorage('node');
$type = $node->getType();
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$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')) && $node->access('update'));
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$delete_permission = (($account->hasPermission("delete $type revisions") || $account->hasPermission('delete all revisions') || $account->hasPermission('administer nodes')) && $node->access('delete'));
$rows = array();
$vids = $node_storage->revisionIds($node);
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$latest_revision = TRUE;
foreach (array_reverse($vids) as $vid) {
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/** @var \Drupal\node\NodeInterface $revision */
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$revision = $node_storage->loadRevision($vid);
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if ($revision->hasTranslation($langcode) && $revision->getTranslation($langcode)->isRevisionTranslationAffected()) {
$username = [
'#theme' => 'username',
'#account' => $revision->getRevisionUser(),
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];
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// 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' => [
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'#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()],
],
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];
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// @todo Simplify once https://www.drupal.org/node/2334319 lands.
$this->renderer->addCacheableDependency($column['data'], $username);
$row[] = $column;
if ($latest_revision) {
$row[] = [
'data' => [
'#prefix' => '<em>',
'#markup' => $this->t('Current revision'),
'#suffix' => '</em>',
],
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];
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foreach ($row as &$current) {
$current['class'] = ['revision-current'];
}
$latest_revision = FALSE;
}
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else {
$links = [];
if ($revert_permission) {
$links['revert'] = [
'title' => $this->t('Revert'),
'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' => $links,
],
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];
}
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$rows[] = $row;
}
}
$build['node_revisions_table'] = array(
'#theme' => 'table',
'#rows' => $rows,
'#header' => $header,
'#attached' => array(
'library' => array('node/drupal.node.admin'),
),
);
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', array('@name' => $node_type->label()));