function _parser_ical_parse in iCal feed parser 5

Same name and namespace in other branches

1. 6.2 parser_ical.dateapi.inc \_parser_ical_parse()
2. 6 parser_ical.feedapi.inc \_parser_ical_parse()
3. 7 parser_ical.dateapi.inc \_parser_ical_parse()

Parse iCal feeds.

Uses patched ical_upload.

1 call to _parser_ical_parse()

_parser_ical_feedapi_parse in ./parser_ical.module

Parse the feed into a data structure

File

./parser_ical.module, line 78

Parse the incoming URL with date_api_ical

Code

function _parser_ical_parse($feed_content) {
  include_once drupal_get_path('module', 'date_api') . '/date_api_ical.inc';
  $feed_folded = explode("\n", $feed_content);
  $ical_parsed = date_ical_parse($feed_folded);

  // TODO, should we change this to a foreach() instead of just picking
  // out the first one in case there is more than one CALENDAR grouping
  // in a feed? Not sure that ever actually happens.
  $ical = $ical_parsed[0];

  // Pick out the first CALENDAR group.
  // Any or all of these items could be missing, so always use isset() to test.
  $parsed_source = new stdClass();

  // Detect the title
  $parsed_source->title = isset($ical['X-WR-CALNAME']) ? $ical['X-WR-CALNAME'] : '';

  // Detect the description
  $parsed_source->description = isset($ical['X-WR-CALDESC']) ? $ical['X-WR-CALDESC'] : '';
  $parsed_source->options = new stdClass();
  $parsed_source->options->calscale = isset($ical['CALSCALE']) ? $ical['CALSCALE'] : '';
  $parsed_source->options->timezone = isset($ical['X-WR-TIMEZONE']) ? $ical['X-WR-TIMEZONE'] : '';
  $parsed_source->items = array();
  foreach ($ical['VEVENT'] as $event) {
    $item = new stdClass();
    $item->title = $event['SUMMARY'];
    $item->description = isset($event['DESCRIPTION']) ? $event['DESCRIPTION'] : '';
    $item->options = new stdClass();
    $item->options->original_author = '';
    $item->options->location = isset($event['URL']) ? $event['URL'] : '';
    $item->options->original_url = $item->options->location;

    // Make sure a valid timestamp is created.
    $item->options->timestamp = time();
    if (isset($event['DTSTAMP'])) {
      $date = date_ical_date($event['DTSTAMP']);
      if (date_is_valid($date, DATE_OBJECT)) {
        $item->options->timestamp = date_format($date, 'U');
      }
    }
    $item->options->guid = isset($event['UID']) ? $event['UID'] : '';

    // intention
    $item->options->tags = isset($event['CATEGORIES']) ? explode(',', $event['CATEGORIES']) : array();

    // Keep iCal timezone information in the feed item so we can create the right date value.
    $date_info = array(
      'DTSTART',
      'DTEND',
      'RDATE',
      'EXDATE',
      'DURATION',
      'RRULE',
    );
    foreach ($date_info as $key) {
      if (isset($event[$key])) {
        $item->options->VEVENT['DATE'][$key] = $event[$key];
        unset($event[$key]);
      }
    }
    foreach ($event as $key => $value) {
      $item->options->VEVENT[$key] = $value;
    }
    $parsed_source->items[] = $item;
  }
  return $parsed_source;
}