openy_session_cleaner.module

<?php

declare(strict_types=1);

/**
 * @file
 * Open Y session cleaner.
 */

use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function openy_session_cleaner_help($route_name, RouteMatchInterface $route_match) {
  if ($route_name == 'help.page.openy_session_cleaner') {
    $output = '';
    $output .= '<h3>' . t('About') . '</h3>';
    $output .= '<p>' . t('The module removes the classes without upcoming sessions.') . '</p>';
    return $output;
  }
}

/**
 * Implements hook_cron().
 */
function openy_session_cleaner_cron(): void {
  /** @var \Drupal\Core\Lock\LockBackendInterface $lock */
  $lock = \Drupal::service('lock');
  if ($lock->lockMayBeAvailable('openy_session_cleaner')) {
    /** @var Drupal\openy_session_cleaner\SessionCleaner $cleaner */
    $cleaner = \Drupal::service('openy_session_cleaner.cleaner');
    $cleaner->clean();
  }
}

/**
 * Implements hook_ENTITY_TYPE_delete().
 */
function openy_session_cleaner_node_delete(EntityInterface $entity): void {
  // Clean up migrate mapping after removing of any session or class.
  // So node can be imported one more time if needed.
  if ($entity->bundle() == 'class' || $entity->bundle() == 'session') {
    $map_table = ($entity->bundle() == 'class') ? 'migrate_map_activenet_classes_import' : 'migrate_map_activenet_sessions_import';
    $connection = \Drupal::database();
    $connection->delete($map_table)
      ->condition("$map_table.destid1", $entity->id())
      ->execute();
  }
}