Version 1
[yaffs-website] / web / core / modules / aggregator / src / Plugin / views / argument / Fid.php
diff --git a/web/core/modules/aggregator/src/Plugin/views/argument/Fid.php b/web/core/modules/aggregator/src/Plugin/views/argument/Fid.php
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+<?php
+
+namespace Drupal\aggregator\Plugin\views\argument;
+
+use Drupal\Core\Entity\EntityManagerInterface;
+use Drupal\views\Plugin\views\argument\NumericArgument;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Argument handler to accept an aggregator feed id.
+ *
+ * @ingroup views_argument_handlers
+ *
+ * @ViewsArgument("aggregator_fid")
+ */
+class Fid extends NumericArgument {
+
+  /**
+   * The entity manager service.
+   *
+   * @var \Drupal\Core\Entity\EntityManagerInterface
+   */
+  protected $entityManager;
+
+  /**
+   * Constructs a Drupal\Component\Plugin\PluginBase object.
+   *
+   * @param array $configuration
+   *   A configuration array containing information about the plugin instance.
+   * @param string $plugin_id
+   *   The plugin_id for the plugin instance.
+   * @param mixed $plugin_definition
+   *   The plugin implementation definition.
+   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+   *   The entity manager.
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityManagerInterface $entity_manager) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+    $this->entityManager = $entity_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static($configuration, $plugin_id, $plugin_definition, $container->get('entity.manager'));
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function titleQuery() {
+    $titles = [];
+
+    $feeds = $this->entityManager->getStorage('aggregator_feed')->loadMultiple($this->value);
+    foreach ($feeds as $feed) {
+      $titles[] = $feed->label();
+    }
+    return $titles;
+  }
+
+}