function print_epub_controller in Printer, email and PDF versions 7.2

Generate a EPUB version of the printer-friendly page.

See also

print_controller()

_print_epub_domepub()

_print_epub_tcepub()

1 string reference to 'print_epub_controller'

print_epub_menu in print_epub/print_epub.module

Implements hook_menu().

File

print_epub/print_epub.pages.inc, line 22

Code

function print_epub_controller() {

  // Disable caching for generated EPUBs, as Drupal doesn't ouput the proper
  // headers from the cache.
  $GLOBALS['conf']['cache'] = FALSE;
  $args = func_get_args();
  $path = filter_xss(implode('/', $args));
  $cid = isset($_GET['comment']) ? (int) $_GET['comment'] : NULL;

  // Handle the query.
  $query = $_GET;
  unset($query['q']);
  $node = NULL;
  if (!empty($path)) {
    if ($alias = drupal_lookup_path('source', $path)) {

      // Alias.
      $path_arr = explode('/', $alias);
      $node = node_load($path_arr[1]);
    }
    elseif (ctype_digit($args[0])) {

      // Normal nid.
      $node = node_load($args[0]);
    }
    $epub_filename = variable_get('print_epub_filename', PRINT_EPUB_FILENAME_DEFAULT);
    if (!empty($epub_filename) && !empty($node)) {
      $epub_filename = token_replace($epub_filename, array(
        'node' => $node,
      ), array(
        'clear' => TRUE,
      ));
    }
    else {
      $epub_filename = token_replace($epub_filename, array(
        'site',
      ), array(
        'clear' => TRUE,
      ));
      if (empty($epub_filename)) {

        // If empty, use a fallback solution.
        $epub_filename = str_replace('/', '_', $path);
      }
    }
  }
  else {
    $epub_filename = 'page';
  }
  if (function_exists('transliteration_clean_filename')) {
    $epub_filename = transliteration_clean_filename($epub_filename, language_default('language'));
  }
  drupal_alter('print_epub_filename', $epub_filename, $path);
  $epub = print_epub_generate_path($path, $query, $cid, $epub_filename . '.epub');
  if ($epub == NULL) {
    drupal_goto($path);
    exit;
  }
  $nodepath = isset($node->nid) ? 'node/' . $node->nid : drupal_get_normal_path($path);
  db_merge('print_epub_page_counter')
    ->key(array(
    'path' => substr($nodepath, 0, 255),
  ))
    ->fields(array(
    'totalcount' => 1,
    'timestamp' => REQUEST_TIME,
  ))
    ->expression('totalcount', 'totalcount + 1')
    ->execute();
  drupal_exit();
}