creative.module

<?php

/**
 * @file
 * Contains hook implements for the creative module.
 */

use Drupal\Core\Entity\EntityInterface;
use Drupal\creative\Service\Pattern;

/**
 * Implements hook_entity_insert().
 */
function creative_entity_insert(EntityInterface $entity): void {
  if ($entity->getEntityTypeId() == 'comment') {

    /** @var \Drupal\creative\Service\Pattern $pattern */
    $pattern = Drupal::getContainer()->get(Pattern::class);
    $comment_subject = $entity->getSubject();
    $comment_body = $entity->get('comment_body')->value;
    if ($pattern->doesMatch($comment_subject)[0] || $pattern->doesMatch($comment_body)[0]) {
      $entity->set('status', 0);
      $entity->save();
    }

  }

}

/**
 * Implements hook_theme().
 */
function creative_theme($existing, $type, $theme, $path): array {
  return [
    'creative_spam_comments' => [
      'render-element' => 'children',
      // Template == creative-spam-comments.html.twig.
      'template' => 'creative-spam-comments',
      'variables' => [
        'items' => NULL,
        'pager' => NULL,
      ],
    ],
  ];
}