function boost_cron in Boost 6

Same name and namespace in other branches

1. 5 boost.module \boost_cron()
2. 7 boost.module \boost_cron()

Implementation of hook_cron(). Performs periodic actions.

File

./boost.module, line 940

Provides static file caching for Drupal text output. Pages, Feeds, ect...

Code

function boost_cron() {
  if (!variable_get('boost_enabled', CACHE_NORMAL)) {
    return;
  }
  global $_boost;

  // Remove old domains if they are now a redirect
  if (module_exists('domain_alias')) {
    $domains = domain_domains();
    $old_domains = array();
    foreach ($domains as $key => $value) {
      foreach ($value['aliases'] as $alias) {
        if ($alias['redirect'] == 1) {
          $old_domains[] = boost_cache_directory($alias['pattern'], FALSE);
        }
      }
    }
    if (!empty($old_domains)) {
      $result = boost_db_multi_select_in('boost_cache', 'base_dir', "'%s'", $old_domains);
      $files = array();
      while ($row = db_fetch_array($result)) {
        $files[] = array(
          'filename' => $row['filename'],
          'hash' => $row['hash'],
        );
      }
      if (!empty($files)) {
        boost_cache_kill($files, TRUE);
        boost_remove_db($files);
      }
    }
  }

  // Remove old domains if they are "inactive"
  if (module_exists('domain')) {
    $domains = domain_domains();
    $old_domains = array();
    foreach ($domains as $key => $value) {
      if ($value['valid'] == 0) {
        $old_domains[] = boost_cache_directory($value['subdomain'], FALSE);
      }
    }
    if (!empty($old_domains)) {
      $result = boost_db_multi_select_in('boost_cache', 'base_dir', "'%s'", $old_domains);
      $files = array();
      while ($row = db_fetch_array($result)) {
        $files[] = array(
          'filename' => $row['filename'],
          'hash' => $row['hash'],
        );
      }
      if (!empty($files)) {
        boost_cache_kill($files, TRUE);
        boost_remove_db($files);
      }
    }
  }

  // Check for new views on cron
  if (module_exists('views') && BOOST_VIEWS_LIST_BEHAVIOR == 0) {
    $defaults = boost_views_generate_default_list();
    variable_set('boost_views_list_default', $defaults);
  }
  $expire = TRUE;
  if (BOOST_CHECK_BEFORE_CRON_EXPIRE) {
    $expire = boost_has_site_changed(TRUE);
  }

  // Expire old content
  if (!BOOST_LOOPBACK_BYPASS && variable_get('boost_expire_cron', TRUE) && $expire && boost_cache_expire_all()) {
    if (BOOST_VERBOSE >= 5 && isset($_boost['verbose_option_selected']['boost_cron_expire'])) {
      watchdog('boost', 'Expired stale files from static page cache.', array(), WATCHDOG_NOTICE);
    }
  }

  // Update Stats
  if (module_exists('statistics') && variable_get('boost_block_show_stats', FALSE)) {
    $block = module_invoke('statistics', 'block', 'view', 0);
    variable_set('boost_statistics_html', $block['content']);
  }

  // Crawl Site
  if (BOOST_CRAWL_ON_CRON && !variable_get('site_offline', 0)) {
    boost_crawler_run((int) $expire);
  }
}