GMailCsvFileImport::checkHeaders

public function checkHeaders(array &$messages)
{
	IncludeModuleLangFile(__FILE__);

	$map = $this->headerMap;
	if($map === null)
	{
		throw new Main\SystemException("Invalid operation. HeaderMap is not assigned.");
	}

	$hasName = isset($map['Given Name'])
		|| isset($map['Family Name']);

	if(!$hasName)
	{
		$messages[] = GetMessage(
			'CRM_IMPORT_GMAIL_ERROR_FIELDS_NOT_FOUND',
			array('#FIELD_LIST#' => "'Given Name', 'Family Name'")
		);
	}

	$hasEmail = isset($map['E-mail 1 - Value']);
	$hasPhone = isset($map['Phone 1 - Value']);

	if(!$hasName && !$hasEmail && !$hasPhone)
	{
		$messages[] = GetMessage('CRM_IMPORT_GMAIL_REQUIREMENTS_NEW');
	}

	return $hasName || $hasEmail || $hasPhone;
}