/**
* {@inheritdoc}
*/
public function view(EntityInterface $node, $view_mode = 'full', $langcode = NULL)
{
$build = parent::view($node, $view_mode, $langcode);
foreach ($node->uriRelationships() as $rel) {
$url = $node->toUrl($rel);
// Add link relationships if the user is authenticated or if the anonymous
// user has access. Access checking must be done for anonymous users to
// avoid traffic to inaccessible pages from web crawlers. For
// authenticated users, showing the links in HTML head does not impact
// user experience or security, since the routes are access checked when
// visited and only visible via view source. This prevents doing
// potentially expensive and hard to cache access checks on every request.
// This means that the page will vary by user.permissions. We also rely on
// the access checking fallback to ensure the correct cacheability
// metadata if we have to check access.
if ($this->currentUser->isAuthenticated() || $url->access($this->currentUser)) {
// Set the node path as the canonical URL to prevent duplicate content.
$build['#attached']['html_head_link'][] = array(array('rel' => $rel, 'href' => $url->toString()), TRUE);
}
if ($rel == 'canonical') {
// Set the non-aliased canonical path as a default shortlink.
$build['#attached']['html_head_link'][] = array(array('rel' => 'shortlink', 'href' => $url->setOption('alias', TRUE)->toString()), TRUE);
}
}
// Given this varies by $this->currentUser->isAuthenticated(), add a cache
// context based on the anonymous role.
$build['#cache']['contexts'][] = 'user.roles:anonymous';
return $build;
}
/**
* {@inheritdoc}
*/
public function view(EntityInterface $node_preview, $view_mode_id = 'full', $langcode = NULL)
{
$node_preview->preview_view_mode = $view_mode_id;
$build = parent::view($node_preview, $view_mode_id);
$build['#attached']['library'][] = 'node/drupal.node.preview';
// Don't render cache previews.
unset($build['#cache']);
return $build;
}
/**
* {@inheritdoc}
*/
public function view(EntityInterface $node, $view_mode = 'full', $langcode = NULL)
{
$build = parent::view($node, $view_mode, $langcode);
foreach ($node->uriRelationships() as $rel) {
// Set the node path as the canonical URL to prevent duplicate content.
$build['#attached']['html_head_link'][] = array(array('rel' => $rel, 'href' => $node->url($rel)), TRUE);
if ($rel == 'canonical') {
// Set the non-aliased canonical path as a default shortlink.
$build['#attached']['html_head_link'][] = array(array('rel' => 'shortlink', 'href' => $node->url($rel, array('alias' => TRUE))), TRUE);
}
}
return $build;
}
/**
* Tests the enhancer method.
*
* @see \Drupal\Core\Entity\Controller\EntityViewController::view()
*/
public function testView()
{
// Mock a view builder.
$render_controller = $this->getMockBuilder('Drupal\\entity_test\\EntityTestViewBuilder')->disableOriginalConstructor()->getMock();
$render_controller->expects($this->any())->method('view')->will($this->returnValue('Output from rendering the entity'));
// Mock an entity manager.
$entity_manager = $this->getMock('Drupal\\Core\\Entity\\EntityManagerInterface');
$entity_manager->expects($this->any())->method('getViewBuilder')->will($this->returnValue($render_controller));
// Mock the 'entity_test' entity type.
$entity_type = $this->getMockBuilder('Drupal\\Core\\Entity\\ContentEntityType')->disableOriginalConstructor()->getMock();
$entity_type->expects($this->once())->method('getKey')->with('label')->will($this->returnValue('name'));
// Mock the 'name' field's definition.
$field_definition = $this->getMock('Drupal\\Core\\Field\\FieldDefinition');
$field_definition->expects($this->any())->method('getDisplayOptions')->with('view')->will($this->returnValue(NULL));
// Mock an 'entity_test' entity.
$entity = $this->getMockBuilder('Drupal\\entity_test\\Entity\\EntityTest')->disableOriginalConstructor()->getMock();
$entity->expects($this->once())->method('getEntityType')->will($this->returnValue($entity_type));
$entity->expects($this->any())->method('getFieldDefinition')->with('name')->will($this->returnValue($field_definition));
// Initialize the controller to test.
$controller = new EntityViewController($entity_manager);
// Test the view method.
$this->assertEquals($controller->view($entity, 'full'), 'Output from rendering the entity');
}
/**
* {@inheritdoc}
*/
public function view(EntityInterface $node_preview, $view_mode_id = 'full', $langcode = NULL)
{
$node_preview->preview_view_mode = $view_mode_id;
$build = parent::view($node_preview, $view_mode_id);
$build['#attached']['library'][] = 'node/drupal.node.preview';
// Don't render cache previews.
unset($build['#cache']);
foreach ($node_preview->uriRelationships() as $rel) {
// Set the node path as the canonical URL to prevent duplicate content.
$build['#attached']['html_head_link'][] = array(array('rel' => $rel, 'href' => $node_preview->url($rel)), TRUE);
if ($rel == 'canonical') {
// Set the non-aliased canonical path as a default shortlink.
$build['#attached']['html_head_link'][] = array(array('rel' => 'shortlink', 'href' => $node_preview->url($rel, array('alias' => TRUE))), TRUE);
}
}
return $build;
}
/**
* Displays a field collection item revision.
*
* @param int $field_collection_item_revision
* The field collection item revision ID.
*
* @return array
* An array suitable for drupal_render().
*/
public function revisionShow($field_collection_item_revision)
{
$field_collection_item = $this->entityManager()->getStorage('field_collection_item')->loadRevision($field_collection_item_revision);
$field_collection_item_view_controller = new EntityViewController($this->entityManager, \Drupal::service('renderer'));
$page = $field_collection_item_view_controller->view($field_collection_item);
unset($page['field_collection_item'][$field_collection_item->id()]['#cache']);
return $page;
}
/**
* Provides a page to render a single entity revision.
*
* @param \Drupal\Core\Entity\EntityInterface $_entity_revision
* The Entity to be rendered. Note this variable is named $_entity_revision
* rather than $entity to prevent collisions with other named placeholders
* in the route.
* @param string $view_mode
* (optional) The view mode that should be used to display the entity.
* Defaults to 'full'.
*
* @return array
* A render array.
*/
public function view(EntityInterface $_entity_revision, $view_mode = 'full')
{
return parent::view($_entity_revision, $view_mode);
}
