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drupalcampbristol/core/modules/aggregator/src/FeedViewBuilder.php

140 lines
4.5 KiB
PHP

<?php
/**
* @file
* Contains \Drupal\aggregator\FeedViewBuilder.
*/
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'] = array('#type' => 'pager');
}
}
if ($display->getComponent('description')) {
$build[$id]['description'] = array(
'#markup' => $entity->getDescription(),
'#allowed_tags' => _aggregator_allowed_tags(),
'#prefix' => '<div class="feed-description">',
'#suffix' => '</div>',
);
}
if ($display->getComponent('image')) {
$image_link = array();
// 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 = array(
'#theme' => 'image',
'#uri' => $image,
'#alt' => $label,
);
$image_link = array(
'#type' => 'link',
'#title' => $link_title,
'#url' => Url::fromUri($link_href),
'#options' => array(
'attributes' => array('class' => array('feed-image')),
),
);
}
$build[$id]['image'] = $image_link;
}
if ($display->getComponent('feed_icon')) {
$build[$id]['feed_icon'] = array(
'#theme' => 'feed_icon',
'#url' => $entity->getUrl(),
'#title' => t('@title feed', array('@title' => $entity->label())),
);
}
if ($display->getComponent('more_link')) {
$title_stripped = strip_tags($entity->label());
$build[$id]['more_link'] = array(
'#type' => 'link',
'#title' => t('More<span class="visually-hidden"> posts about @title</span>', array(
'@title' => $title_stripped,
)),
'#url' => Url::fromRoute('entity.aggregator_feed.canonical', ['aggregator_feed' => $entity->id()]),
'#options' => array(
'attributes' => array(
'title' => $title_stripped,
),
),
);
}
}
}
}