EntityCreate.php

<?php

namespace Drupal\rules\Plugin\RulesAction;

use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\rules\Core\RulesActionBase;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides a generic 'Create a new entity' action.
 *
 * @todo Add access callback information from Drupal 7.
 *
 * @RulesAction(
 *   id = "rules_entity_create",
 *   deriver = "Drupal\rules\Plugin\RulesAction\EntityCreateDeriver"
 * )
 */
class EntityCreate extends RulesActionBase implements ContainerFactoryPluginInterface {
    
    /**
     * The entity storage service.
     *
     * @var \Drupal\Core\Entity\EntityStorageInterface
     */
    protected $storage;
    
    /**
     * The entity type id.
     *
     * @var string
     */
    protected $entityTypeId;
    
    /**
     * The entity bundle key used for the entity type.
     *
     * @var string
     */
    protected $bundleKey;
    
    /**
     * Constructs an EntityCreate 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\EntityStorageInterface $storage
     *   The entity storage service.
     */
    public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityStorageInterface $storage) {
        parent::__construct($configuration, $plugin_id, $plugin_definition);
        $this->storage = $storage;
        $this->entityTypeId = $plugin_definition['entity_type_id'];
        $this->bundleKey = $plugin_definition['bundle_key'];
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
        return new static($configuration, $plugin_id, $plugin_definition, $container->get('entity_type.manager')
            ->getStorage($plugin_definition['entity_type_id']));
    }
    
    /**
     * {@inheritdoc}
     */
    public function refineContextDefinitions(array $selected_data) {
        if ($type = $this->entityTypeId) {
            $data_type = "entity:{$type}";
            if ($this->bundleKey && ($bundle = $this->getContextValue($this->bundleKey))) {
                $data_type .= ":{$bundle}";
            }
            $this->pluginDefinition['provides'][$type . '_created']
                ->setDataType($data_type);
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public function execute() {
        $values = $this->getContextValues();
        $entity = $this->storage
            ->create($values);
        $this->setProvidedValue($this->entityTypeId . '_created', $entity);
    }

}