yaffs.net Git - yaffs-website/blob - web/core/modules/aggregator/src/FeedViewBuilder.php

   1 <?php
   2
   3 namespace Drupal\aggregator;
   4
   5 use Drupal\Core\Entity\EntityManagerInterface;
   6 use Drupal\Core\Entity\EntityTypeInterface;
   7 use Drupal\Core\Entity\EntityViewBuilder;
   8 use Drupal\Core\Config\Config;
   9 use Drupal\Core\Language\LanguageManagerInterface;
  10 use Drupal\Core\Url;
  11 use Symfony\Component\DependencyInjection\ContainerInterface;
  12
  13 /**
  14  * View builder handler for aggregator feeds.
  15  */
  16 class FeedViewBuilder extends EntityViewBuilder {
  17
  18   /**
  19    * Constructs a new FeedViewBuilder.
  20    *
  21    * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
  22    *   The entity type definition.
  23    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
  24    *   The entity manager service.
  25    * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
  26    *   The language manager.
  27    * @param \Drupal\Core\Config\Config $config
  28    *   The 'aggregator.settings' config.
  29    */
  30   public function __construct(EntityTypeInterface $entity_type, EntityManagerInterface $entity_manager, LanguageManagerInterface $language_manager, Config $config) {
  31     parent::__construct($entity_type, $entity_manager, $language_manager);
  32     $this->config = $config;
  33   }
  34
  35   /**
  36    * {@inheritdoc}
  37    */
  38   public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
  39     return new static(
  40       $entity_type,
  41       $container->get('entity.manager'),
  42       $container->get('language_manager'),
  43       $container->get('config.factory')->get('aggregator.settings')
  44     );
  45   }
  46
  47   /**
  48    * {@inheritdoc}
  49    */
  50   public function buildComponents(array &$build, array $entities, array $displays, $view_mode) {
  51     parent::buildComponents($build, $entities, $displays, $view_mode);
  52
  53     foreach ($entities as $id => $entity) {
  54       $bundle = $entity->bundle();
  55       $display = $displays[$bundle];
  56
  57       if ($display->getComponent('items')) {
  58         // When in summary view mode, respect the list_max setting.
  59         $limit = $view_mode == 'summary' ? $this->config->get('source.list_max') : 20;
  60         // Retrieve the items attached to this feed.
  61         $items = $this->entityManager
  62           ->getStorage('aggregator_item')
  63           ->loadByFeed($entity->id(), $limit);
  64
  65         $build[$id]['items'] = $this->entityManager
  66           ->getViewBuilder('aggregator_item')
  67           ->viewMultiple($items, $view_mode, $entity->language()->getId());
  68
  69         if ($view_mode == 'full') {
  70           // Also add the pager.
  71           $build[$id]['pager'] = ['#type' => 'pager'];
  72         }
  73       }
  74
  75       if ($display->getComponent('description')) {
  76         $build[$id]['description'] = [
  77           '#markup' => $entity->getDescription(),
  78           '#allowed_tags' => _aggregator_allowed_tags(),
  79           '#prefix' => '<div class="feed-description">',
  80           '#suffix' => '</div>',
  81         ];
  82       }
  83
  84       if ($display->getComponent('image')) {
  85         $image_link = [];
  86         // Render the image as link if it is available.
  87         $image = $entity->getImage();
  88         $label = $entity->label();
  89         $link_href = $entity->getWebsiteUrl();
  90         if ($image && $label && $link_href) {
  91           $link_title = [
  92             '#theme' => 'image',
  93             '#uri' => $image,
  94             '#alt' => $label,
  95           ];
  96           $image_link = [
  97             '#type' => 'link',
  98             '#title' => $link_title,
  99             '#url' => Url::fromUri($link_href),
 100             '#options' => [
 101               'attributes' => ['class' => ['feed-image']],
 102             ],
 103           ];
 104         }
 105         $build[$id]['image'] = $image_link;
 106       }
 107
 108       if ($display->getComponent('feed_icon')) {
 109         $build[$id]['feed_icon'] = [
 110           '#theme' => 'feed_icon',
 111           '#url' => $entity->getUrl(),
 112           '#title' => t('@title feed', ['@title' => $entity->label()]),
 113         ];
 114       }
 115
 116       if ($display->getComponent('more_link')) {
 117         $title_stripped = strip_tags($entity->label());
 118         $build[$id]['more_link'] = [
 119           '#type' => 'link',
 120           '#title' => t('More<span class="visually-hidden"> posts about @title</span>', [
 121             '@title' => $title_stripped,
 122           ]),
 123           '#url' => Url::fromRoute('entity.aggregator_feed.canonical', ['aggregator_feed' => $entity->id()]),
 124           '#options' => [
 125             'attributes' => [
 126               'title' => $title_stripped,
 127             ],
 128           ],
 129         ];
 130       }
 131
 132     }
 133   }
 134
 135 }