soe_intranet_helper.module

<?php

/**
 * Implements hook_page_alter(&$page).
 */
function soe_intranet_helper_page_alter(&$page) {

  // If the page doesn't have a sidebar and it is displaying a node, it might
  // need the cache cleared.
  //
  // This requires refreshing the page twice for the page to render properly.
  if (!isset($page['sidebar_first'])) {
    if (isset ($page['content']['system_main']['nodes'])) {
      $key = key($page['content']['system_main']['nodes']);
      $bundle = $page['content']['system_main']['nodes'][$key]['#bundle'];
      $settings = soe_intranet_helper_get_settings();

      // If it is not a blacklisted node or bundle then flush the cache.
      if ((!in_array($key, $settings['node_blacklist'])) &&
        (!in_array($bundle, $settings['bundle_blacklist']))) {
        watchdog('soe_intranet_helper',
          'First sidebar is missing. Page is: node/%key',
          array('%key' => $key),
          WATCHDOG_DEBUG);
        drupal_flush_all_caches();
      }
    }
  }
}

/**
 * Default settings wrapper for variable_get
 * @return array
 *   Persistent settings for this module.
 *
 */
function soe_intranet_helper_get_settings() {
  $default_settings = array(

    // These are the nodes that don't have first sidebars.
    // node/628 - Information Technology
    // node/148 - Home page
    // node/1225 - Connect-links
    // node/632 - Job Aids Too
    // node/80  - page not found
    // node/164 - Resources Overview
    // node/90  - Resources
    // node/78  - Programs
    'node_blacklist' => array(628, 148, 1225, 632, 80, 164, 90, 78),
    'bundle_blacklist' => array('stanford_person'),
  );
  $settings = variable_get('soe_intranet_helper_settings', $default_settings );

  return $settings;
}