public TaskAnswer RunState(TaskAnswer answer, UserProfile profile, string query, string queryType)
{
answer = PreStateAction(answer, profile, query);
TrainBookingState taskState = answer.TaskState as TrainBookingState;
if (taskState == null)
{
return answer;
}
TaskStateCode state = answer.CurrentState;
bool isUpdated = false;
answer.IterationCount++;
switch (state)
{
case TaskStateCode.InitState:
answer.CurrentState = TaskStateCode.InitState;
answer.NextState = TaskStateCode.SourceStationState;
break;
case TaskStateCode.SourceStationState:
case TaskStateCode.DestinationStationState:
isUpdated = classifier.TryUpdateTaskState(answer, profile, query);
break;
case TaskStateCode.DateOfJourneyState:
taskState.DateOfJourney = DateTime.ParseExact(query, "dd-MM-yyyy", null);
break;
case TaskStateCode.TrainSelectionState:
case TaskStateCode.PreferredCoachState:
case TaskStateCode.NumberOfPassangersState:
case TaskStateCode.PassengerNameState:
case TaskStateCode.PassengerAgeState:
case TaskStateCode.PassengerGenderState:
case TaskStateCode.PassengerSeatPreferenceState:
case TaskStateCode.PassengerDetailsState:
case TaskStateCode.PhoneNumberState:
case TaskStateCode.BookTicketState:
isUpdated = classifier.TryUpdateTaskState(answer, profile, query);
break;
default:
break;
}
if (isUpdated)
{
answer.IterationCount = 0;
}
if (answer.IterationCount > 3)
{
DummyUpdateAnswer(answer, profile, query);
}
return PostStateAction(answer, profile, query);
}
static void CreateSampleAnswer()
{
ChatItem item1 = new ChatItem();
item1.Id = "Cortana";
item1.ChatText = "Hi this is Cortana";
ChatItem item2 = new ChatItem();
item2.Id = "User";
item2.ChatText = "Hi this is User";
ChatItem item3 = new ChatItem();
item3.Id = "Cortana";
item3.ChatText = "Hi shall we complete the Task?";
ChatWindow chatWindow = new ChatWindow();
chatWindow.ChatList.Add(item1);
chatWindow.ChatList.Add(item2);
chatWindow.ChatList.Add(item3);
TrainBookingState bookingState = new TrainBookingState();
bookingState.Source = new Station();
bookingState.Source.Name = "Hyderabad";
bookingState.Source.Code = "SC";
bookingState.Destination = new Station();
bookingState.Destination.Name = "Chennai Central";
bookingState.Destination.Code = "MAS";
bookingState.DateOfJourney = DateTime.Now.AddDays(10);
bookingState.TrainInfo = new TrainInfo();
bookingState.TrainInfo.Name = "Chennai Express";
bookingState.TrainInfo.Number = "12604";
bookingState.CoachPreference = CoachType.SecondAC;
bookingState.PhoneNumber = "1234567890";
bookingState.NumberOfPassangers = 4;
PassangerInfo pas1 = new PassangerInfo();
pas1.Name = "BillGates";
pas1.Age = 50;
pas1.Gender = Gender.Male;
pas1.BerthChoice = BerthChoice.SideLower;
PassangerInfo pas2 = new PassangerInfo();
pas2.Name = "Balmer";
pas2.Age = 49;
pas2.Gender = Gender.Male;
pas2.BerthChoice = BerthChoice.SideUpper;
PassangerInfo pas3 = new PassangerInfo();
pas3.Name = "BillGates";
pas3.Age = 45;
pas3.Gender = Gender.Male;
pas3.BerthChoice = BerthChoice.Lower;
bookingState.PassangerInfoList = new List<PassangerInfo>();
bookingState.PassangerInfoList.Add(pas1);
bookingState.PassangerInfoList.Add(pas2);
bookingState.PassangerInfoList.Add(pas3);
TaskAnswer answer = new TaskAnswer();
answer.Title = "Book Train Ticket Task";
answer.TaskType = TaskType.Train;
answer.ChatWindow = chatWindow;
answer.TaskState = bookingState;
string jsonString = JsonConvert.SerializeObject(answer);
return;
}
public string RunAnswer(string userId, string sessionId, string query, string queryType)
{
// Get the Answer State from Storage
bool isNewSession = false;
TaskAnswer answer;
if (string.IsNullOrEmpty(sessionId))
{
sessionId = Guid.NewGuid().ToString();
answer = new TaskAnswer();
answer.Title = "Train Ticket Booking";
answer.UserId = userId;
answer.SessionId = sessionId;
}
else
{
string content = blobStorage.DownloadFileAsText(GetBlobKey(userId, sessionId));
if (string.IsNullOrEmpty(content))
{
return null;
}
answer = JsonConvert.DeserializeObject<TaskAnswer>(content);
}
// Get the Profile State from Storage
string profileString = blobStorage.DownloadFileAsText(userId);
UserProfile userProfile = null;
if (string.IsNullOrEmpty(profileString))
{
userProfile = new UserProfile();
userProfile.UserId = userId;
userProfile.MyProfile = new Person();
userProfile.MyProfile.Name = userId;
}
// TODO: Classify the Query
//answer = DummyUpdateAnswer(query, queryType, answer);
// TODO: Run the state machine on Classifier Output
// Update Profile
answer = RunState(answer, userProfile, query, queryType);
// Store the Profile
string userProfileString = JsonConvert.SerializeObject(userProfile);
blobStorage.UploadFile(userId, userProfileString);
// Store the State
string stateString = JsonConvert.SerializeObject(answer);
blobStorage.UploadFile(GetBlobKey(userId, sessionId), stateString);
return stateString;
}
private TaskAnswer DummyUpdateAnswer(TaskAnswer answer, UserProfile profile, string query)
{
var state = answer.TaskState as TrainBookingState;
switch (answer.CurrentState)
{
case TaskStateCode.InitState:
answer.CurrentState = TaskStateCode.InitState;
break;
case TaskStateCode.SourceStationState:
state.Source = new Station();
state.Source.Name = "Hyderabad";
state.Source.Code = "SC";
break;
case TaskStateCode.DestinationStationState:
state.Destination = new Station();
state.Destination.Name = "Hyderabad";
state.Destination.Code = "SC";
break;
case TaskStateCode.DateOfJourneyState:
state.DateOfJourney = DateTime.Now.AddDays(5);
break;
case TaskStateCode.TrainSelectionState:
state.TrainInfo = new TrainInfo();
state.TrainInfo.Name = "Naryanadri";
state.TrainInfo.Number = "123456";
break;
case TaskStateCode.PreferredCoachState:
state.CoachPreference = CoachType.FirstAC;
break;
case TaskStateCode.NumberOfPassangersState:
state.NumberOfPassangers = 1;
break;
case TaskStateCode.PassengerNameState:
break;
case TaskStateCode.PassengerAgeState:
break;
case TaskStateCode.PassengerGenderState:
break;
case TaskStateCode.PassengerSeatPreferenceState:
break;
case TaskStateCode.PassengerDetailsState:
break;
case TaskStateCode.PhoneNumberState:
break;
case TaskStateCode.BookTicketState:
break;
default:
break;
}
return answer;
}
private ChatItem GetChatItem(TaskAnswer answer, TaskStateCode stateCode)
{
TrainBookingState taskState = answer.TaskState as TrainBookingState;
if (taskState == null)
{
return null;
}
string question;
if (!_chatItemMap.TryGetValue(stateCode, out question))
{
question = "Some Error. it shouldn't";
}
ChatItem item = new ChatItem();
item.Id = "Cortana";
item.ChatText = question;
return item;
}
private TaskStateCode GetNextState(TaskAnswer answer)
{
if (answer.TaskType.Equals(TaskType.Train))
{
var trainBookingState = answer.TaskState as TrainBookingState;
if (trainBookingState.Source == null)
{
return TaskStateCode.SourceStationState;
}
if (trainBookingState.Destination == null)
{
return TaskStateCode.DestinationStationState;
}
if (trainBookingState.DateOfJourney == null)
{
return TaskStateCode.DateOfJourneyState;
}
if (trainBookingState.TrainInfo == null)
{
return TaskStateCode.TrainSelectionState;
}
if (trainBookingState.CoachPreference.Equals(CoachType.None))
{
return TaskStateCode.PreferredCoachState;
}
if (trainBookingState.NumberOfPassangers == 0)
{
return TaskStateCode.NumberOfPassangersState;
}
uint iPassenger = answer.CurrentPassengerId;
var passenger = trainBookingState.PassangerInfoList.FirstOrDefault(x => x.Id == iPassenger);
if (passenger == null)
{
return TaskStateCode.PassengerNameState;
}
TaskStateCode nextState;
if (TryGetNextPassengerState(passenger, out nextState))
{
return nextState;
}
passenger.IsComplete = true;
// FIXME: small hack, some how, how can avoid this.
if (answer.CompletedPassengers < trainBookingState.NumberOfPassangers)
{
answer.CompletedPassengers += 1;
}
if (answer.CompletedPassengers < trainBookingState.NumberOfPassangers)
{
answer.CurrentPassengerId++;
return TaskStateCode.PassengerNameState;
}
if (answer.IsStateFinished)
{
switch (answer.TicketBookedState)
{
case BookedState.None:
return TaskStateCode.BookTicketState;
break;
case BookedState.Cancelled:
return TaskStateCode.SaveState;
break;
case BookedState.Confirmed:
return TaskStateCode.EndState;
break;
}
}
if (answer.CompletedPassengers == trainBookingState.NumberOfPassangers)
{
if (string.IsNullOrEmpty(trainBookingState.PhoneNumber))
{
return TaskStateCode.PhoneNumberState;
}
answer.IsStateFinished = true;
return TaskStateCode.BookTicketState;
}
if (answer.CurrentState == TaskStateCode.SaveState)
{
return TaskStateCode.BookTicketState;
}
return TaskStateCode.ExceptionState;
}
return TaskStateCode.ExceptionState;
}
private TaskAnswer PostStateAction(TaskAnswer answer, UserProfile profile, string query)
{
TrainBookingState taskState = answer.TaskState as TrainBookingState;
if (taskState == null)
{
return null;
}
TaskStateCode nextState = GetNextState(answer);
answer.CurrentState = nextState;
string question;
if (!_chatItemMap.TryGetValue(nextState, out question))
{
question = "Some Error. it shouldn't";
return null;
}
ChatItem chatItem = new ChatItem();
PassangerInfo passenger = taskState.PassangerInfoList.FirstOrDefault(x => x.Id == answer.CurrentPassengerId);
if (passenger == null)
{
// Fixme; avoid dummy passenger
PassangerInfo passanger = new PassangerInfo();
}
switch (nextState)
{
case TaskStateCode.InitState:
break;
case TaskStateCode.SourceStationState:
break;
case TaskStateCode.DestinationStationState:
break;
case TaskStateCode.DateOfJourneyState:
break;
case TaskStateCode.TrainSelectionState:
question = string.Format(question, taskState.Source.Code, taskState.Destination.Code);
FillTrainList(chatItem, taskState.Source.Code, taskState.Destination.Code);
break;
case TaskStateCode.PreferredCoachState:
FillPreferredCoachList(chatItem);
break;
case TaskStateCode.NumberOfPassangersState:
break;
case TaskStateCode.PassengerNameState:
question = string.Format(question, answer.CurrentPassengerId);
break;
case TaskStateCode.PassengerGenderState:
question = string.Format(question, passenger.Name);
break;
case TaskStateCode.PassengerAgeState:
question = string.Format(question, (passenger.Gender.Equals(Gender.Male)) ? "his" : "her");
break;
case TaskStateCode.PassengerSeatPreferenceState:
FillePreferredBerthList(chatItem);
break;
case TaskStateCode.PassengerDetailsState:
break;
case TaskStateCode.PhoneNumberState:
break;
case TaskStateCode.BookTicketState:
break;
case TaskStateCode.EndState:
profileHelper.UpdateUserProfile(taskState, profile);
break;
default:
break;
}
chatItem.Id = "Cortana";
chatItem.ChatText = question;
answer.ChatWindow.ChatList.Add(chatItem);
return answer;
}
private TaskAnswer PreStateAction(TaskAnswer answer, UserProfile profile, string query)
{
// Add the User Query to Chat List Window
var userChatItem = GetUserChatItem(answer.UserId, query);
answer.ChatWindow.ChatList.Add(userChatItem);
return answer;
}
public bool TryUpdateTaskState(TaskAnswer answer, UserProfile userProfile, string query)
{
TrainBookingState taskState = answer.TaskState as TrainBookingState;
if (taskState == null)
{
return false;
}
TaskStateCode currentState = answer.CurrentState;
bool updated = false;
switch (currentState)
{
case TaskStateCode.SourceStationState:
Station sourceStation;
if (TryGetStation(query, out sourceStation))
{
taskState.Source = sourceStation;
updated = true;
}
break;
case TaskStateCode.DestinationStationState:
Station destinationStation;
if (TryGetStation(query, out destinationStation))
{
taskState.Destination = destinationStation;
updated = true;
}
break;
case TaskStateCode.DateOfJourneyState:
DateTime date;
if (DateTime.TryParse(query, out date))
{
taskState.DateOfJourney = date;
updated = true;
}
break;
case TaskStateCode.TrainSelectionState:
TrainInfo trainInfo;
if (TryGetTrain(query, out trainInfo))
{
taskState.TrainInfo = trainInfo;
updated = true;
}
break;
case TaskStateCode.PreferredCoachState:
CoachType coachType;
if (TryGetCoach(query, out coachType))
{
taskState.CoachPreference = coachType;
updated = true;
}
break;
case TaskStateCode.NumberOfPassangersState:
uint number;
if (TryGetNumberOfPassengers(query, out number))
{
taskState.NumberOfPassangers = number;
updated = true;
}
break;
case TaskStateCode.PassengerNameState:
string name;
if (TryGetPassengerName(query, out name))
{
uint iPassenger = answer.CurrentPassengerId;
var passengerList = taskState.PassangerInfoList;
var passenger = passengerList.FirstOrDefault(x => x.Id == iPassenger);
if (passenger == null)
{
passenger = new PassangerInfo();
passengerList.Add(passenger);
passenger.Id = (uint)passengerList.Count;
answer.CurrentPassengerId = passenger.Id;
}
passenger.Name = name;
updated = true;
}
break;
case TaskStateCode.PassengerAgeState:
uint age;
if (TryGetPassengerAge(query, out age))
{
uint iPassenger = answer.CurrentPassengerId;
var passengerList = taskState.PassangerInfoList;
var passenger = passengerList.FirstOrDefault(x => x.Id == iPassenger);
if (passenger == null)
{
passenger = new PassangerInfo();
passengerList.Add(passenger);
passenger.Id = (uint)passengerList.Count;
answer.CurrentPassengerId = passenger.Id;
}
passenger.Age = age;
updated = true;
}
break;
case TaskStateCode.PassengerGenderState:
Gender gender;
if (TryGetPassengerGender(query, out gender))
{
uint iPassenger = answer.CurrentPassengerId;
var passengerList = taskState.PassangerInfoList;
var passenger = passengerList.FirstOrDefault(x => x.Id == iPassenger);
if (passenger == null)
{
passenger = new PassangerInfo();
passengerList.Add(passenger);
passenger.Id = (uint)passengerList.Count;
answer.CurrentPassengerId = passenger.Id;
}
passenger.Gender = gender;
updated = true;
}
break;
case TaskStateCode.PassengerSeatPreferenceState:
BerthChoice berthChoice;
if (TryGetPassengerSeatPreference(query, out berthChoice))
{
uint iPassenger = answer.CurrentPassengerId;
var passengerList = taskState.PassangerInfoList;
var passenger = passengerList.FirstOrDefault(x => x.Id == iPassenger);
if (passenger == null)
{
passenger = new PassangerInfo();
passengerList.Add(passenger);
passenger.Id = (uint)passengerList.Count;
answer.CurrentPassengerId = passenger.Id;
}
passenger.BerthChoice = berthChoice;
updated = true;
}
break;
case TaskStateCode.PhoneNumberState:
string phoneNumber;
if (TryGetPhoneNumber(query, out phoneNumber))
{
taskState.PhoneNumber = phoneNumber;
updated = true;
}
break;
case TaskStateCode.BookTicketState:
BookedState ticketBookedState;
if (TryGetConfirmation(query, out ticketBookedState))
{
answer.TicketBookedState = ticketBookedState;
updated = true;
}
break;
}
return updated;
}