Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\aggregator;
Chris@0: 
Chris@18: use Drupal\Core\Entity\EntityDisplayRepositoryInterface;
Chris@18: use Drupal\Core\Entity\EntityRepositoryInterface;
Chris@0: use Drupal\Core\Entity\EntityTypeInterface;
Chris@18: use Drupal\Core\Entity\EntityTypeManagerInterface;
Chris@0: use Drupal\Core\Entity\EntityViewBuilder;
Chris@0: use Drupal\Core\Config\Config;
Chris@0: use Drupal\Core\Language\LanguageManagerInterface;
Chris@18: use Drupal\Core\Theme\Registry;
Chris@0: use Drupal\Core\Url;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * View builder handler for aggregator feeds.
Chris@0:  */
Chris@0: class FeedViewBuilder extends EntityViewBuilder {
Chris@0: 
Chris@0:   /**
Chris@18:    * The 'aggregator.settings' config.
Chris@18:    *
Chris@18:    * @var \Drupal\Core\Config\Config
Chris@18:    */
Chris@18:   protected $config;
Chris@18: 
Chris@18:   /**
Chris@18:    * The entity type manager.
Chris@18:    *
Chris@18:    * @var \Drupal\Core\Entity\EntityTypeManagerInterface
Chris@18:    */
Chris@18:   protected $entityTypeManager;
Chris@18: 
Chris@18:   /**
Chris@0:    * Constructs a new FeedViewBuilder.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
Chris@0:    *   The entity type definition.
Chris@18:    * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
Chris@18:    *   The entity repository service.
Chris@0:    * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
Chris@0:    *   The language manager.
Chris@0:    * @param \Drupal\Core\Config\Config $config
Chris@0:    *   The 'aggregator.settings' config.
Chris@18:    * @param \Drupal\Core\Theme\Registry $theme_registry
Chris@18:    *   The theme registry.
Chris@18:    * @param \Drupal\Core\Entity\EntityDisplayRepositoryInterface $entity_display_repository
Chris@18:    *   The entity display repository.
Chris@18:    * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
Chris@18:    *   The entity type manager.
Chris@0:    */
Chris@18:   public function __construct(EntityTypeInterface $entity_type, EntityRepositoryInterface $entity_repository, LanguageManagerInterface $language_manager, Config $config, Registry $theme_registry, EntityDisplayRepositoryInterface $entity_display_repository, EntityTypeManagerInterface $entity_type_manager) {
Chris@18:     parent::__construct($entity_type, $entity_repository, $language_manager, $theme_registry, $entity_display_repository);
Chris@0:     $this->config = $config;
Chris@18:     $this->entityTypeManager = $entity_type_manager;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
Chris@0:     return new static(
Chris@0:       $entity_type,
Chris@18:       $container->get('entity.repository'),
Chris@0:       $container->get('language_manager'),
Chris@18:       $container->get('config.factory')->get('aggregator.settings'),
Chris@18:       $container->get('theme.registry'),
Chris@18:       $container->get('entity_display.repository'),
Chris@18:       $container->get('entity_type.manager')
Chris@0:     );
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function buildComponents(array &$build, array $entities, array $displays, $view_mode) {
Chris@0:     parent::buildComponents($build, $entities, $displays, $view_mode);
Chris@0: 
Chris@0:     foreach ($entities as $id => $entity) {
Chris@0:       $bundle = $entity->bundle();
Chris@0:       $display = $displays[$bundle];
Chris@0: 
Chris@0:       if ($display->getComponent('items')) {
Chris@0:         // When in summary view mode, respect the list_max setting.
Chris@0:         $limit = $view_mode == 'summary' ? $this->config->get('source.list_max') : 20;
Chris@0:         // Retrieve the items attached to this feed.
Chris@18:         $items = $this->entityTypeManager
Chris@0:           ->getStorage('aggregator_item')
Chris@0:           ->loadByFeed($entity->id(), $limit);
Chris@0: 
Chris@18:         $build[$id]['items'] = $this->entityTypeManager
Chris@0:           ->getViewBuilder('aggregator_item')
Chris@0:           ->viewMultiple($items, $view_mode, $entity->language()->getId());
Chris@0: 
Chris@0:         if ($view_mode == 'full') {
Chris@0:           // Also add the pager.
Chris@0:           $build[$id]['pager'] = ['#type' => 'pager'];
Chris@0:         }
Chris@0:       }
Chris@0: 
Chris@0:       if ($display->getComponent('description')) {
Chris@0:         $build[$id]['description'] = [
Chris@0:           '#markup' => $entity->getDescription(),
Chris@0:           '#allowed_tags' => _aggregator_allowed_tags(),
Chris@0:           '#prefix' => '<div class="feed-description">',
Chris@0:           '#suffix' => '</div>',
Chris@0:         ];
Chris@0:       }
Chris@0: 
Chris@0:       if ($display->getComponent('image')) {
Chris@0:         $image_link = [];
Chris@0:         // Render the image as link if it is available.
Chris@0:         $image = $entity->getImage();
Chris@0:         $label = $entity->label();
Chris@0:         $link_href = $entity->getWebsiteUrl();
Chris@0:         if ($image && $label && $link_href) {
Chris@0:           $link_title = [
Chris@0:             '#theme' => 'image',
Chris@0:             '#uri' => $image,
Chris@0:             '#alt' => $label,
Chris@0:           ];
Chris@0:           $image_link = [
Chris@0:             '#type' => 'link',
Chris@0:             '#title' => $link_title,
Chris@0:             '#url' => Url::fromUri($link_href),
Chris@0:             '#options' => [
Chris@0:               'attributes' => ['class' => ['feed-image']],
Chris@0:             ],
Chris@0:           ];
Chris@0:         }
Chris@0:         $build[$id]['image'] = $image_link;
Chris@0:       }
Chris@0: 
Chris@0:       if ($display->getComponent('feed_icon')) {
Chris@0:         $build[$id]['feed_icon'] = [
Chris@0:           '#theme' => 'feed_icon',
Chris@0:           '#url' => $entity->getUrl(),
Chris@0:           '#title' => t('@title feed', ['@title' => $entity->label()]),
Chris@0:         ];
Chris@0:       }
Chris@0: 
Chris@0:       if ($display->getComponent('more_link')) {
Chris@0:         $title_stripped = strip_tags($entity->label());
Chris@0:         $build[$id]['more_link'] = [
Chris@0:           '#type' => 'link',
Chris@0:           '#title' => t('More<span class="visually-hidden"> posts about @title</span>', [
Chris@0:             '@title' => $title_stripped,
Chris@0:           ]),
Chris@0:           '#url' => Url::fromRoute('entity.aggregator_feed.canonical', ['aggregator_feed' => $entity->id()]),
Chris@0:           '#options' => [
Chris@0:             'attributes' => [
Chris@0:               'title' => $title_stripped,
Chris@0:             ],
Chris@0:           ],
Chris@0:         ];
Chris@0:       }
Chris@0: 
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0: }