function gss_search_results in Google Site Search 7

Same name and namespace in other branches

1. 6 gss.module \gss_search_results()

Search results page.

Parameters

string $query: The search keywords as entered by the user.

Return value

array An array of search results.

1 call to gss_search_results()

gss_search_execute in ./gss.module

Implements hook_search_execute().

File

./gss.module, line 305

GSS module file.

Code

function gss_search_results($query) {
  global $language;
  drupal_add_css(drupal_get_path('module', 'gss') . '/gss.css');

  // Include dependencies.
  module_load_include('inc', 'gss', 'includes/GoogleSiteSearch');

  // Let other modules alter the $query variable.
  drupal_alter('gss_search_key', $query);

  // Let other modules add extra parameters.
  $extra = NULL;
  drupal_alter('gss_search_extraparams', $extra);

  // Make query safe.
  $query = htmlspecialchars($query, ENT_NOQUOTES);

  // Init GoogleSiteSearch object.
  $gss = new GoogleSiteSearch($query, variable_get('gss_api_key', ''), 20, $extra);

  // Get current page.
  $page = isset($_GET['page']) ? intval($_GET['page']) : 0;

  // Init results variable.
  $results = NULL;

  // Set the number of results per page.
  $gss
    ->setPageSize(variable_get('gss_page_size', 20));

  // Set the number of pages to show in the pager.
  $gss
    ->setPagerSize(variable_get('gss_pager_size', 20));

  // Set the search language.
  $default_lang = variable_get('gss_default_language', FALSE);
  if ($default_lang) {
    $gss
      ->setLanguage($language->language);
  }
  else {
    $gss
      ->setLanguage(variable_get('gss_language', ''));
  }

  // Perform search.
  try {
    $results = $gss
      ->getSearchResults($page);
  } catch (Exception $e) {
    watchdog('gss', $e, NULL, WATCHDOG_ERROR);
    drupal_set_message(t('Sorry, the search function is unavailable at this time.'));
    drupal_exit();
  }

  // Get search summary.
  $total_results = $gss
    ->getTotalResults();
  $end_pos = $gss
    ->getCurrentPage() * $gss
    ->getPageSize();
  $start_pos = $end_pos - $gss
    ->getPageSize() + 1;
  if ($end_pos > $total_results) {
    $end_pos = $total_results;
  }

  // Build output.
  if (!empty($results)) {
    $output = array();

    // Loop results.
    foreach ($results as $result) {

      // Just to avoid warnings in the log if not set.
      $result['thumbnail_url'] = isset($result['thumbnail_url']) ? $result['thumbnail_url'] : '';
      $output[] = array(
        'link' => urldecode($result['url']),
        'title' => $result['title'],
        'thumbnail_url' => $result['thumbnail_url'],
        'snippet' => $result['description'],
      );
    }
  }
  else {
    $default_no_results = variable_get('gss_no_results', array(
      'value' => t('No results'),
      'format' => NULL,
    ));
    $empty_results = format_string($default_no_results['value'], array(
      '@query' => $query,
    ));
    $output[] = array(
      'link' => '',
      'title' => '',
      'snippet' => check_markup($empty_results, $default_no_results['format']),
    );
  }

  // Get search head.
  $output['head'] = $gss
    ->getSearchHead();

  // Get pager.
  $pager = $gss
    ->getPager();
  $output['pager'] = drupal_render($pager);
  return $output;
}