public static async Task <ChatbotMessage> ProcessIntent()
{
var answer = "Sorry, I couldn't get you.";
var intentName = ResolvedIntent.IntentName;
var responseObj = new ChatbotMessage()
{
Text = answer,
IsBotResponse = true
};
if (intentName.Equals("HELLO"))
{
responseObj = ChatbotResponseHelper.HelloIntentResponse();
}
else if (intentName.Equals("NONE"))
{
responseObj = ChatbotResponseHelper.NoneIntentResponse();
}
else if (intentName.Equals("BYE"))
{
responseObj = ChatbotResponseHelper.ByeIntentResponse();
}
else if (intentName.StartsWith("HELP_"))
{
responseObj = ChatbotResponseHelper.HelpIntentResponse(intentName);
}
else if (intentName.StartsWith("SEARCH_"))
{
if (!string.IsNullOrEmpty(ResolvedIntent.InputParameter.MetroRefNumber))
{
var metroRefNum = ResolvedIntent.InputParameter.MetroRefNumber;
Debug.WriteLine("----------------Metro ref number: " + metroRefNum);
responseObj = await ChatbotResponseHelper.SearchIntentResponse(intentName, metroRefNum);
}
else if (!string.IsNullOrEmpty(ResolvedIntent.InputParameter.ContainerNumber))
{
var containerNum = ResolvedIntent.InputParameter.ContainerNumber;
Debug.WriteLine("----------------Container number: " + containerNum);
responseObj = await ChatbotResponseHelper.SearchIntentResponse(intentName, containerNum);
}
else if (!string.IsNullOrEmpty(ResolvedIntent.InputParameter.CustomerRefNumber))
{
var customerRefNum = ResolvedIntent.InputParameter.CustomerRefNumber;
Debug.WriteLine("----------------Customer ref number: " + customerRefNum);
responseObj = await ChatbotResponseHelper.SearchIntentResponse(intentName, customerRefNum);
}
}
return(responseObj);
}
void OnMessageDisappearing(ChatbotMessage message)
{
var idx = Messages.IndexOf(message);
if (idx >= 6)
{
Device.BeginInvokeOnMainThread(() =>
{
ShowScrollTap = true;
LastMessageVisible = false;
});
}
}
void OnMessageAppearing(ChatbotMessage message)
{
var idx = Messages.IndexOf(message);
if (idx <= 6)
{
Device.BeginInvokeOnMainThread(() =>
{
while (DelayedMessages.Count > 0)
{
Messages.Insert(0, DelayedMessages.Dequeue());
}
ShowScrollTap = false;
LastMessageVisible = true;
PendingMessageCount = 0;
});
}
}
private static ChatbotMessage PopulateResponseObj(IList <Shipment> searchedItemList, string searchType, string searchTerm, ChatbotMessage responseObj)
{
var response = "Sorry you don't have any shipments for the given metro rerefence number.";
var text = "Below are the details of the shipment with {0} {1}.\n\n" +
"Final Destination: {2}\n" +
"Estimated Time of Arrival: {3}";
if (searchedItemList != null)
{
if (searchedItemList.Count == 1)
{
var shipment = searchedItemList[0];
response = String.Format(text, searchType.ToLower(), shipment.JobReferenceNumber, shipment.FinalDestination, shipment.ETA);
responseObj.IsSingleSearch = true;
responseObj.ShipmentObj = shipment;
}
else if (searchedItemList.Count > 1)
{
response = (searchedItemList.Count < AppSettings.ListItemCount) ?
String.Format("I have found {0} matches for {1} {2}.", searchedItemList.Count, searchType.ToLower(), searchTerm.ToUpper()) :
String.Format("Here are the first {0} matches for {1} {2}.", AppSettings.ListItemCount, searchType.ToLower(), searchTerm.ToUpper());
responseObj.IsMultiSearch = true;
List <ChatbotMessage> searchedItems = new List <ChatbotMessage>();
foreach (var shipment in searchedItemList)
{
var searchedItem = new ChatbotMessage()
{
Text = String.Format(text, searchType.ToLower(), shipment.JobReferenceNumber, shipment.FinalDestination, shipment.ETA),
ShipmentObj = shipment
};
searchedItems.Add(searchedItem);
}
responseObj.SearchedItems = searchedItems;
}
}
responseObj.Text = response;
return(responseObj);
}
public static async Task <ChatbotMessage> SearchIntentResponse(string intentName, string entity)
{
string response = "";
bool isValidEntity = true;
var responseObj = new ChatbotMessage()
{
IsBotResponse = true
};
if (entity.Length < 4)
{
response = "Please enter at least 4 characters for {0} of the shipment.";
isValidEntity = false;
}
switch (intentName)
{
case ChatbotConstants.SearchIntents.MetroRefNumberIntent:
if (isValidEntity)
{
var SearchedItemListResponse = await shipmentTrackingService.GetShipments(Constants.SEARCH_TYPE_METRO_REF_NUM, entity, AppSettings.ListItemCount, 0);
var SearchedItemList = SearchedItemListResponse != null ? SearchedItemListResponse.Shipments : null;
//Delete Later
if (SearchedItemList != null && entity.Equals("j0001"))
{
SearchedItemList = ((List <Shipment>) SearchedItemList).FindAll(
delegate(Shipment sm)
{
return(sm.JobReferenceNumber.ToLowerInvariant().Contains(entity));
});
}
responseObj = PopulateResponseObj(SearchedItemList, Constants.SEARCH_TYPE_METRO_REF_NUM, entity, responseObj);
}
else
{
response = String.Format(response, Constants.SEARCH_TYPE_METRO_REF_NUM.ToLower());
responseObj.Text = response;
}
break;
case ChatbotConstants.SearchIntents.ContainerIntent:
if (isValidEntity)
{
var SearchedItemListResponse = await shipmentTrackingService.GetShipments(Constants.SEARCH_TYPE_CONTAINER_NUM, entity, AppSettings.ListItemCount, 0);
var SearchedItemList = SearchedItemListResponse != null ? SearchedItemListResponse.Shipments : null;
responseObj = PopulateResponseObj(SearchedItemList, Constants.SEARCH_TYPE_CONTAINER_NUM, entity, responseObj);
}
else
{
response = String.Format(response, Constants.SEARCH_TYPE_CONTAINER_NUM.ToLower());
responseObj.Text = response;
}
break;
case ChatbotConstants.SearchIntents.CustomerRefNumberIntent:
if (isValidEntity)
{
var SearchedItemListResponse = await shipmentTrackingService.GetShipments(Constants.SEARCH_TYPE_CUSTOMER_REF_NUM, entity, AppSettings.ListItemCount, 0);
var SearchedItemList = SearchedItemListResponse != null ? SearchedItemListResponse.Shipments : null;
responseObj = PopulateResponseObj(SearchedItemList, Constants.SEARCH_TYPE_CUSTOMER_REF_NUM, entity, responseObj);
}
else
{
response = String.Format(response, Constants.SEARCH_TYPE_CUSTOMER_REF_NUM.ToLower());
responseObj.Text = response;
}
break;
default:
response = String.Format("Please rephrase your question.");
responseObj.Text = response;
break;
}
return(responseObj);
}
