EntityArgument.php

<?php

namespace Drupal\views\Plugin\views\argument;

use Drupal\Core\Entity\EntityRepositoryInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\views\Attribute\ViewsArgument;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Argument handler to accept an entity ID value.
 *
 * This handler accepts the identifiers of entities themselves. The definition
 * defines the `entity_type` parameter to determine what kind of ID to load.
 * Entity reference ID values are handled by EntityReferenceArgument.
 *
 * @see \Drupal\views\Plugin\views\argument\EntityReferenceArgument
 *
 * @ingroup views_argument_handlers
 */
class EntityArgument extends NumericArgument implements ContainerFactoryPluginInterface {
    public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityRepositoryInterface $entityRepository, EntityTypeManagerInterface $entityTypeManager) {
        parent::__construct($configuration, $plugin_id, $plugin_definition);
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
        return new static($configuration, $plugin_id, $plugin_definition, $container->get('entity.repository'), $container->get('entity_type.manager'));
    }
    
    /**
     * {@inheritdoc}
     */
    public function titleQuery() {
        $titles = [];
        $entities = $this->entityTypeManager
            ->getStorage($this->definition['entity_type'])
            ->loadMultiple($this->value);
        foreach ($entities as $entity) {
            $titles[$entity->id()] = $this->entityRepository
                ->getTranslationFromContext($entity)
                ->label();
        }
        return $titles;
    }

}