diff core/modules/aggregator/src/FeedViewBuilder.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/aggregator/src/FeedViewBuilder.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,135 @@
+<?php
+
+namespace Drupal\aggregator;
+
+use Drupal\Core\Entity\EntityManagerInterface;
+use Drupal\Core\Entity\EntityTypeInterface;
+use Drupal\Core\Entity\EntityViewBuilder;
+use Drupal\Core\Config\Config;
+use Drupal\Core\Language\LanguageManagerInterface;
+use Drupal\Core\Url;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * View builder handler for aggregator feeds.
+ */
+class FeedViewBuilder extends EntityViewBuilder {
+
+  /**
+   * Constructs a new FeedViewBuilder.
+   *
+   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
+   *   The entity type definition.
+   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+   *   The entity manager service.
+   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
+   *   The language manager.
+   * @param \Drupal\Core\Config\Config $config
+   *   The 'aggregator.settings' config.
+   */
+  public function __construct(EntityTypeInterface $entity_type, EntityManagerInterface $entity_manager, LanguageManagerInterface $language_manager, Config $config) {
+    parent::__construct($entity_type, $entity_manager, $language_manager);
+    $this->config = $config;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
+    return new static(
+      $entity_type,
+      $container->get('entity.manager'),
+      $container->get('language_manager'),
+      $container->get('config.factory')->get('aggregator.settings')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildComponents(array &$build, array $entities, array $displays, $view_mode) {
+    parent::buildComponents($build, $entities, $displays, $view_mode);
+
+    foreach ($entities as $id => $entity) {
+      $bundle = $entity->bundle();
+      $display = $displays[$bundle];
+
+      if ($display->getComponent('items')) {
+        // When in summary view mode, respect the list_max setting.
+        $limit = $view_mode == 'summary' ? $this->config->get('source.list_max') : 20;
+        // Retrieve the items attached to this feed.
+        $items = $this->entityManager
+          ->getStorage('aggregator_item')
+          ->loadByFeed($entity->id(), $limit);
+
+        $build[$id]['items'] = $this->entityManager
+          ->getViewBuilder('aggregator_item')
+          ->viewMultiple($items, $view_mode, $entity->language()->getId());
+
+        if ($view_mode == 'full') {
+          // Also add the pager.
+          $build[$id]['pager'] = ['#type' => 'pager'];
+        }
+      }
+
+      if ($display->getComponent('description')) {
+        $build[$id]['description'] = [
+          '#markup' => $entity->getDescription(),
+          '#allowed_tags' => _aggregator_allowed_tags(),
+          '#prefix' => '<div class="feed-description">',
+          '#suffix' => '</div>',
+        ];
+      }
+
+      if ($display->getComponent('image')) {
+        $image_link = [];
+        // Render the image as link if it is available.
+        $image = $entity->getImage();
+        $label = $entity->label();
+        $link_href = $entity->getWebsiteUrl();
+        if ($image && $label && $link_href) {
+          $link_title = [
+            '#theme' => 'image',
+            '#uri' => $image,
+            '#alt' => $label,
+          ];
+          $image_link = [
+            '#type' => 'link',
+            '#title' => $link_title,
+            '#url' => Url::fromUri($link_href),
+            '#options' => [
+              'attributes' => ['class' => ['feed-image']],
+            ],
+          ];
+        }
+        $build[$id]['image'] = $image_link;
+      }
+
+      if ($display->getComponent('feed_icon')) {
+        $build[$id]['feed_icon'] = [
+          '#theme' => 'feed_icon',
+          '#url' => $entity->getUrl(),
+          '#title' => t('@title feed', ['@title' => $entity->label()]),
+        ];
+      }
+
+      if ($display->getComponent('more_link')) {
+        $title_stripped = strip_tags($entity->label());
+        $build[$id]['more_link'] = [
+          '#type' => 'link',
+          '#title' => t('More<span class="visually-hidden"> posts about @title</span>', [
+            '@title' => $title_stripped,
+          ]),
+          '#url' => Url::fromRoute('entity.aggregator_feed.canonical', ['aggregator_feed' => $entity->id()]),
+          '#options' => [
+            'attributes' => [
+              'title' => $title_stripped,
+            ],
+          ],
+        ];
+      }
+
+    }
+  }
+
+}