public bool CreateReferral(string business_id, FacebookMessagingEvent referralEvent)
{
var thread_id = ThreadService.FormatId(business_id, referralEvent.sender.id);
var threads = _threadRepository.GetById(business_id, thread_id);
string data = referralEvent.postback != null && referralEvent.postback.referral != null && !string.IsNullOrWhiteSpace(referralEvent.postback.referral.Ref) ? referralEvent.postback.referral.Ref : referralEvent.referral != null && !string.IsNullOrWhiteSpace(referralEvent.referral.Ref) ? referralEvent.referral.Ref : "";
data = data ?? "";
data = data.Trim();
if (!string.IsNullOrWhiteSpace(thread_id) && !string.IsNullOrWhiteSpace(business_id) && !string.IsNullOrWhiteSpace(data))
{
var referral = _referralService.CreateReferral(business_id, threads, referralEvent.timestamp.ToString(), referralEvent.sender.id, referralEvent.recipient.id, data, thread_id);
}
return(true);
}