//get user information
private ViberMessage ProcessSenderInfo(JToken data)
{
//TODO: set method calling only once for one user and not each time when user sends message
// best to do that in subscribed event or conversation started and then when user sends message,
//just check for app user in database if not found then get sender info again
ViberMessage vbMsg = new ViberMessage();
vbMsg.Sender = new ViberMessage.sender()
{
id = data.SelectToken("id").Value <string>(),
name = data.SelectToken("name").Value <string>(),
avatar = data.SelectToken("avatar").Value <string>(),
language = data.SelectToken("language").Value <string>(),
country = data.SelectToken("country").Value <string>(),
api_version = data.SelectToken("api_version").Value <int>(),
};
return(vbMsg);
}
//find app third party type user or add new if user doesn't exist
private DatabasUserSimulation FindViberUser(ViberMessage msg)
{
bool userExists = true; //check if user exists
DatabasUserSimulation user = null;
if (!userExists) //if user doesn't exists add new
{
user = new DatabasUserSimulation
{
phone = "", // phone can be added only if user choose to share contanct info
name = msg.Sender.name,
ViberId = msg.Sender.id
};
/// user.AddUserToDatabase(); save user to database
}
else
{
// user = GetUserFromDatabase(msg.Sender.id); //find user by sender_id
}
return(user);
}
//processing viber client request
public void ProcessClienRequest(JObject data)
{
if (data == null)
{
return;
}
string Event = data.SelectToken("event").Value <string>();
switch (Event)
{
case "subscribed":
//TODO: add welcome message
break;
case "webhook":
break;
case "message": // user sent message
var messageData = data.SelectToken("message");
string tracking_data = data.SelectToken("message.tracking_data")?.Value <string>(); // if tracking_data is address
ViberMessage message = ProcessSenderInfo(data.SelectToken("sender"));
DatabasUserSimulation user = FindViberUser(message);
message.Type = data.SelectToken("message.type").Value <string>();
message.IdAppUser = user.IdAppUser;
//chacking tracking data
if (!string.IsNullOrEmpty(tracking_data))
{
message.TrackingData = JsonConvert.DeserializeObject <ViberMessage.trackingData>(tracking_data);
}
// checking message type
switch (message.Type)
{
case "text":
string userText = messageData.SelectToken("text")?.Value <string>();
if (string.IsNullOrEmpty(userText))
{
return; //empty msg sent
}
//checking if bot is awaiting for location confirmation
if (message.TrackingData != null && message.TrackingData.ConfirmationSent == true)
{
if (message.TrackingData.OrderConfirmed == false) //waiting confirm message
{
message.TextMessage = new ViberMessage.textMessage(user.ViberId, userText, "");
message.LocationMessage = message.TrackingData.Location;
switch (userText.ToUpper())
{
case "YES":
//user confirms address
message.TextMessage.TextToSend = "your order " +
message.LocationMessage.StreetName + " is confirmed you can cancel ride anytime before driver, just send me word \"$cancel\" and I will cancel your ride";
//message.ProcessTarget(message.LocationMessage.Lat, message.LocationMessage.Lon
// , message.LocationMessage.StreetName);
message.TrackingData.OrderConfirmed = true; //tracking order confirmation
// TODO: send feedback about driver time of arrival and keep track of validation within that time
// and reset tracking_data when driver arrives
break;
case "NO":
//user canceld address before confirmation
message.TextMessage.TextToSend = "your order " + message.LocationMessage.StreetName
+ " is canceld";
message.TrackingData = null; // restrating tracking data
break;
default:
if (message.Sender.api_version > 3)
{
message.TextMessage.ResponseTrackingData = message.TrackingData == null ? null : JsonConvert.SerializeObject(message.TrackingData);
message.TextMessage.TextToSend = "your message " + $"\"{message.TextMessage.RecivedText}\" is invalid, plese confirm your ride";
message.TextMessage.ConfirmationResponse();
return;
}
else
{
message.TextMessage.TextToSend = "your message " + $"\"{message.TextMessage.RecivedText}\""
+ " please confirm your order " + message.LocationMessage.StreetName + " by sending text message with \"YES\" to confirm or \"NO\" to cancel";
}
break;
}
message.TextMessage.ResponseTrackingData = message.TrackingData == null ? null : JsonConvert.SerializeObject(message.TrackingData); //sanding tracking data with response
if (message.TextMessage.Response()) //sending response back to user
{
//adding user message to database
//TODO: add bot message also
}
}
else if (userText.ToLower() == "$cancel" && message.TrackingData.OrderConfirmed == true) //user wants to cancel after confirmation
{
// ask for confirmation and cancel ride if driver has not arrived
message.LocationMessage = message.TrackingData.Location;
message.TextMessage = new ViberMessage.textMessage(user.ViberId, userText,
"");
Object t = new object(); // target simulation
if (t != null)
{
//cancel target by user;
message.TextMessage.TextToSend = "your order " + message.LocationMessage.StreetName + " is canceld";
}
else
{
//not suposed to happen
message.TextMessage.TextToSend = "your order " + message.LocationMessage.StreetName + " is not found";
}
message.TrackingData = null;
message.TextMessage.ResponseTrackingData = null;
if (message.TextMessage.Response())
{
// save message to database
}
}
else if (message.TrackingData.OrderConfirmed == true)
{
// TODO: user wants to order one more ride
switch (userText)
{
case "YES":
if (message.TrackingData.OrderCanceld == false) // waiting for driver arravial
{
}
else if (message.TrackingData.OrderCanceld == true) // just canceld ride
{
}
break;
default:
break;
}
}
}
else // waiting for location message
{
message.TextMessage = new ViberMessage.textMessage(user.ViberId, userText, "your message "
+ $"\"{userText}\"" + " is not valid, please send location message");
message.TrackingData = new ViberMessage.trackingData(false, false, false, null);
message.TextMessage.ResponseTrackingData = JsonConvert.SerializeObject(message.TrackingData);
if (message.TextMessage.Response())
{
//save text message to database
}
}
break;
case "location":
if (message.TrackingData != null && message.TrackingData.ConfirmationSent == true) // same user sends another address
{
// TODO:
if (message.TrackingData.OrderConfirmed == true && message.TrackingData.OrderCanceld == false) //just confirmed
{
message.TextMessage = new ViberMessage.textMessage(user.ViberId, "",
"you just confirmed your order for address " + message.TrackingData.Location.StreetName + " are you sure you wont to order new ride?" +
"please confirm by sending \"Y\""
); // TODO ..
}
else if (message.TrackingData.OrderConfirmed == true && message.TrackingData.OrderCanceld == true) // order confirmed and canceld
{
// add validation
}
else //order not confirmed but confirmation is sent
{
//validation
message.TextMessage = new ViberMessage.textMessage(user.ViberId, "",
"please confirm your order " + message.TrackingData.Location.StreetName + " by sending \"Y\" to confirm or \"N\" to cancel before ordering new ride"
);
}
message.TextMessage.ResponseTrackingData = message.TrackingData == null ? null : JsonConvert.SerializeObject(message.TrackingData); //sanding tracking data with response
message.TextMessage.Response();
}
else
{
var location = data.SelectToken("message.location");
message.LocationMessage = new ViberMessage.locationMessage(location, user.ViberId);
//searching location
string street = message.LocationMessage.ClientRequest();
message.TextMessage = new ViberMessage.textMessage();
message.TextMessage.ViberUserId = user.ViberId;
if (string.IsNullOrEmpty(street))
{
message.TextMessage.TextToSend = "address not found";
message.TrackingData = null;
message.TextMessage.ResponseTrackingData = null;
message.TextMessage.Response();
}
else
{
message.TextMessage.TextToSend = "address " + street + " found, please confirm your order";
message.TrackingData = new ViberMessage.trackingData(true, false, false,
message.LocationMessage);
message.TextMessage.ResponseTrackingData = message.TrackingData == null ? null :
JsonConvert.SerializeObject(message.TrackingData); //setting response tracking data
if (message.Sender.api_version > 3)
{
message.TextMessage.ConfirmationResponse();
}
else
{
message.TextMessage.TextToSend += " by sending \"yes\" to confirm or \"no\" to cancel";
message.TextMessage.Response();
}
}
}
break;
}
break;
case "conversation_started":
//triggerd when conversetion is started trough public account url
if (data != null)
{
ViberMessage welcomeMessage = ProcessSenderInfo(data.SelectToken("user"));
DatabasUserSimulation viberUser = FindViberUser(welcomeMessage);
welcomeMessage.TextMessage = new ViberMessage.textMessage(viberUser.ViberId, "", "welcome user...");
if (welcomeMessage.TextMessage.ResponseWithWelcomeMessage())
{
}
}
break;
case "delivered": //trigged when message is diliverd from bot to user
break;
}
}