UserIsBlocked.php

<?php

namespace Drupal\rules\Plugin\Condition;

use Drupal\rules\Core\RulesConditionBase;
use Drupal\user\UserInterface;

/**
 * Provides a 'User is blocked' condition.
 *
 * @todo Add access callback information from Drupal 7.
 *
 * @Condition(
 *   id = "rules_user_is_blocked",
 *   label = @Translation("User is blocked"),
 *   category = @Translation("User"),
 *   context_definitions = {
 *     "user" = @ContextDefinition("entity:user",
 *       label = @Translation("User"),
 *       description = @Translation("Specifies the user account to check.")
 *     ),
 *   }
 * )
 */
class UserIsBlocked extends RulesConditionBase {
    
    /**
     * Check if user is blocked.
     *
     * @param \Drupal\user\UserInterface $user
     *   The account to check.
     *
     * @return bool
     *   TRUE if the account is blocked.
     */
    protected function doEvaluate(UserInterface $user) {
        return $user->isBlocked();
    }

}