public function DateiCalParse::import in Date 8

File

date_api/lib/Drupal/date_api/DateiCalParse.php, line 123

Parse iCal data.

Class

DateiCalParse

Return an array of iCalendar information from an iCalendar file.

Namespace

Drupal\date_api

Code

public function import($filename) {

  // Fetch the iCal data. If file is a URL, use drupal_http_request. fopen
  // isn't always configured to allow network connections.
  if (substr($filename, 0, 4) == 'http') {

    // Fetch the ical data from the specified network location.
    $icaldatafetch = drupal_http_request($filename);

    // Check the return result.
    if ($icaldatafetch->error) {
      watchdog('date ical', 'HTTP Request Error importing %filename: @error', array(
        '%filename' => $filename,
        '@error' => $icaldatafetch->error,
      ));
      return FALSE;
    }

    // Break the return result into one array entry per lines.
    $icaldatafolded = explode("\n", $icaldatafetch->data);
  }
  else {
    $icaldatafolded = @file($filename, FILE_IGNORE_NEW_LINES);
    if ($icaldatafolded === FALSE) {
      watchdog('date ical', 'Failed to open file: %filename', array(
        '%filename' => $filename,
      ));
      return FALSE;
    }
  }

  // Verify this is iCal data.
  if (trim($icaldatafolded[0]) != 'BEGIN:VCALENDAR') {
    watchdog('date ical', 'Invalid calendar file: %filename', array(
      '%filename' => $filename,
    ));
    return FALSE;
  }
  return $this
    ->parse($icaldatafolded);
}