/**
* Creates a new file
*
* The contents of the new file must be a valid VCARD.
*
* This method may return an ETag.
*
* @param string $name
* @param resource $vcardData
* @return string|null
*/
public function createFile($name, $vcardData = null)
{
if (is_resource($vcardData)) {
$vcardData = stream_get_contents($vcardData);
}
// Converting to UTF-8, if needed
$vcardData = DAV\StringUtil::ensureUTF8($vcardData);
return $this->carddavBackend->createCard($this->addressBookInfo['id'], $name, $vcardData);
}
