<?php

/**
 * @file
 * Install, update, and uninstall functions for the Field UI module.
 */

/**
 * Upgrade Field UI permissions.
 */
function field_ui_update_8001() {

  $permissions = array(
    'administer comments' => array(
      'administer comment fields',
      'administer comment display',
    ),
    'administer content types' => array(
      'administer node fields',
      'administer node display',
    ),
    'administer users' => array(
      'administer user fields',
      'administer user display',
    ),
    'administer taxonomy' => array(
      'administer taxonomy_term fields',
      'administer taxonomy_term display',
    ),
  );

  // We can not call user_permission_get_modules() as that will start
  // invoking hooks which we can't during update hooks. Directly query
  // for the permissions and insert them into the database.
  foreach ($permissions as $old_permission => $new_permissions) {
    $results = db_query("SELECT rid FROM {role_permission} WHERE permission = :permission", array(':permission' => $old_permission));
    foreach ($results as $record) {
      $query = db_insert('role_permission')->fields(array('rid', 'permission', 'module'));
      foreach ($new_permissions as $new_permission) {
        $query->values(array($record->rid, $new_permission, 'field_ui'));
      }
      $query->execute();
    }
  }
}