NodeIsOfType.php

<?php

namespace Drupal\rules\Plugin\Condition;

use Drupal\node\NodeInterface;
use Drupal\rules\Core\RulesConditionBase;

/**
 * Provides a 'Node is of type' condition.
 *
 * @Condition(
 *   id = "rules_node_is_of_type",
 *   label = @Translation("Node is of type"),
 *   category = @Translation("Content"),
 *   context_definitions = {
 *     "node" = @ContextDefinition("entity:node",
 *       label = @Translation("Node"),
 *       description = @Translation("Specifies the node for which to evaluate the condition."),
 *       assignment_restriction = "selector"
 *     ),
 *     "types" = @ContextDefinition("string",
 *       label = @Translation("Content types"),
 *       description = @Translation("The content type(s) to check for."),
 *       options_provider = "\Drupal\rules\TypedData\Options\NodeTypeOptions",
 *       multiple = TRUE
 *     ),
 *   }
 * )
 */
class NodeIsOfType extends RulesConditionBase {
    
    /**
     * Check if a node is of a specific set of types.
     *
     * @param \Drupal\node\NodeInterface $node
     *   The node to check for a type.
     * @param string[] $types
     *   An array of type names as strings.
     *
     * @return bool
     *   TRUE if the node type is in the array of types.
     */
    protected function doEvaluate(NodeInterface $node, array $types) {
        return in_array($node->getType(), $types);
    }

}