class DbLogResource

class DbLogResource extends ResourceBase {
    
    /**
     * Responds to GET requests.
     *
     * Returns a watchdog log entry for the specified ID.
     *
     * @param int $id
     *   The ID of the watchdog log entry.
     *
     * @return \Drupal\rest\ResourceResponse
     *   The response containing the log entry.
     *
     * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
     *   Thrown when the log entry was not found.
     * @throws \Symfony\Component\HttpKernel\Exception\BadRequestHttpException
     *   Thrown when no log entry was provided.
     */
    public function get($id = NULL) {
        if ($id) {
            $record = Database::getConnection()->select('watchdog', 'w')
                ->fields('w')
                ->condition('wid', $id)
                ->execute()
                ->fetchAssoc();
            if (!empty($record)) {
                return new ResourceResponse($record);
            }
            throw new NotFoundHttpException("Log entry with ID '{$id}' was not found");
        }
        throw new BadRequestHttpException('No log entry ID was provided');
    }

}