function fac_generate_json_for_key in Fast Autocomplete 7

Generates the json file for a specific search key.

Parameters

string $key: The key to search for.

Return value

string The json string hat is saved or an empty string on failure.

2 calls to fac_generate_json_for_key()

fac_bulk_generate_json in ./fac.module

Bulk generate json files worker callack.

fac_generate_json in inc/fac.json.inc

Fast AutoComplete json callback.

File

./fac.module, line 288

This file contains the main functions of the Fast Autocomplete module.

Code

function fac_generate_json_for_key($language, $key) {
  $json_result = '';
  $original_user = $GLOBALS['user'];

  // For security reasons we can only perform a search as an anonymous user.
  // Otherwise the JSON files might expose information that should be private.
  // If the risk is deemed acceptable this behavior can be overridden by
  // setting the variable "fac_anonymous_search_only to FALSE and the search
  // will be performed as the current user.
  if (variable_get('fac_anonymous_search', TRUE)) {

    // Prevent session information from being rendered.
    drupal_save_session(FALSE);

    // Force the current user to anonymous to prevent access bypass.
    $GLOBALS['user'] = drupal_anonymous_user();
  }

  // Force the language url to the requested language to make sure the urls that
  // are generated possibly contain the correct language path.
  $original_language_url = $GLOBALS['language_url'];
  $language_list = language_list();
  $GLOBALS['language_url'] = $language_list[$language];
  $backend_service = variable_get('fac_backend_service', '');
  if (!empty($backend_service)) {
    $service = new $backend_service();
    $result = $service
      ->search($key, $language);
    $items = array();
    if (!empty($result['items'])) {
      foreach ($result['items'] as $item_info) {
        $entities = entity_load($item_info['entity_type'], array(
          $item_info['etid'],
        ));
        $entity = reset($entities);
        $entity_views = entity_view($item_info['entity_type'], array(
          $entity,
        ), variable_get('fac_view_mode', 'fac'), $language);
        $entity_view = reset($entity_views);
        $items[] = render($entity_view);
      }
    }
    $object = new stdClass();
    $object->items = $items;
    $json_result = json_encode($object);
    $directory = FAC_JSON_FILES_DIRECTORY . '/' . $language . '/' . _fac_get_role_hmac($GLOBALS['user']);
    if (file_prepare_directory($directory, FILE_CREATE_DIRECTORY)) {
      $destination = $directory . '/' . $key . '.json';
      file_unmanaged_save_data($json_result, $destination, FILE_EXISTS_REPLACE);
    }
  }

  // Restore the language_url.
  $GLOBALS['language_url'] = $original_language_url;

  // Restore the original user.
  $GLOBALS['user'] = $original_user;
  drupal_save_session(TRUE);
  return $json_result;
}