Vid.php in Drupal 8

Namespace

Drupal\node\Plugin\views\argument

File

core/modules/node/src/Plugin/views/argument/Vid.php

<?php

namespace Drupal\node\Plugin\views\argument;

use Drupal\Core\Database\Connection;
use Drupal\views\Plugin\views\argument\NumericArgument;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\node\NodeStorageInterface;

/**
 * Argument handler to accept a node revision id.
 *
 * @ViewsArgument("node_vid")
 */
class Vid extends NumericArgument {

  /**
   * Database Service Object.
   *
   * @var \Drupal\Core\Database\Connection
   */
  protected $database;

  /**
   * The node storage.
   *
   * @var \Drupal\node\NodeStorageInterface
   */
  protected $nodeStorage;

  /**
   * Constructs a \Drupal\node\Plugin\views\argument\Vid 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\Database\Connection $database
   *   Database Service Object.
   * @param \Drupal\node\NodeStorageInterface $node_storage
   *   The node storage.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, Connection $database, NodeStorageInterface $node_storage) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->database = $database;
    $this->nodeStorage = $node_storage;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('database'), $container
      ->get('entity_type.manager')
      ->getStorage('node'));
  }

  /**
   * Override the behavior of title(). Get the title of the revision.
   */
  public function titleQuery() {
    $titles = [];
    $results = $this->database
      ->query('SELECT nr.vid, nr.nid, npr.title FROM {node_revision} nr WHERE nr.vid IN ( :vids[] )', [
      ':vids[]' => $this->value,
    ])
      ->fetchAllAssoc('vid', PDO::FETCH_ASSOC);
    $nids = [];
    foreach ($results as $result) {
      $nids[] = $result['nid'];
    }
    $nodes = $this->nodeStorage
      ->loadMultiple(array_unique($nids));
    foreach ($results as $result) {
      $nodes[$result['nid']]
        ->set('title', $result['title']);
      $titles[] = $nodes[$result['nid']]
        ->label();
    }
    return $titles;
  }

}

Classes

Name	Description
Vid	Argument handler to accept a node revision id.