private string GetInboxLink(string business_id, Thread thread) { string link = ""; try { if (!string.IsNullOrWhiteSpace(thread.ext_id)) { string conversation_id = ConversationService.FormatId(business_id, thread.ext_id); var conversation = _conversationService.GetById(business_id, conversation_id); if (conversation != null && !string.IsNullOrWhiteSpace(conversation.link)) { link = "https://business.facebook.com" + conversation.link; } } } catch { } if (string.IsNullOrWhiteSpace(link)) { link = string.Format("https://business.facebook.com/{0}/messages/?folder=inbox§ion=messages", thread.channel_ext_id); } return(link); }