public IHttpActionResult PostWhatsAppChatBot(WhatsAppChatBot messageModel)
{
using (BLL.ChatBot bll = new BLL.ChatBot())
{
bll.ProcessMessage(messageModel);
}
return(Ok());
}
public void ProcessMessage(WhatsAppChatBot messageModel)
{
try
{
List <string> persistentAction = null;
Nullable <int> messageCount = null;
if (HttpContext.Current.Session["MessageCount"] != null)
{
messageCount = Convert.ToInt32(HttpContext.Current.Session["MessageCount"].ToString());
}
if (messageCount == null)
{
messageModel.Body = WELCOME;
HttpContext.Current.Session["MessageCount"] = 0;
}
else
{
if (messageModel.Body.Trim().ToUpper() == RESET_WORD)
{
messageModel.Body = WELCOME;
messageCount = null;
}
else
{
messageCount++;
messageModel.Body = string.Format(MSG, messageCount.ToString(), messageModel.Body);
}
if (messageCount.HasValue)
{
HttpContext.Current.Session["MessageCount"] = messageCount.ToString();
}
else
{
HttpContext.Current.Session["MessageCount"] = null;
}
}
this.SendWhatsApp(messageModel, persistentAction);
if ((messageCount.HasValue) && (messageCount % 2 == 0))
{
messageModel.Body = RESET_MSG;
this.SendWhatsApp(messageModel);
}
}
catch (Exception ex)
{
messageModel.Body = WARNING_MSG;
this.SendWhatsApp(messageModel);
}
}
private void SendWhatsApp(WhatsAppChatBot messageModel, List <string> persistentAction = null)
{
string accountSid = (string)ConfigurationManager.AppSettings["TWILIO_ACCOUNT_SID"];
string authToken = (string)ConfigurationManager.AppSettings["TWILIO_AUTH_TOKEN"];
string senderPhoneNumber = (string)ConfigurationManager.AppSettings["TWILIO_SENDER_PHONE_NUMBER"];
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
TwilioClient.Init(accountSid, authToken);
var message = MessageResource.Create(
body: string.Format(messageModel.Body),
from: new Twilio.Types.PhoneNumber(String.Format(PHONE_NUMBER, senderPhoneNumber)),
persistentAction: persistentAction,
to: new Twilio.Types.PhoneNumber(messageModel.From)
);
}
