private async void verificationButtonClicked(object sender, RoutedEventArgs e)
{
if (!newUser)
{
progressRing.IsActive = true;
Verification verificationResult = await verificationController.VerifySpeaker(speakerID);
progressRing.IsActive = false;
if (verificationResult != null)
{
if (verificationResult.Result.ToString().Equals("Accept") &&
(verificationResult.Confidence.ToString().Equals("High") || verificationResult.Confidence.ToString().Equals("Normal")))
{
if (!isAdmin)
{
if (user.access)
{
Synthesizer.Speak("Please come on in.");
//OPEN DOOR
MainPage.DLPin.Write(Windows.Devices.Gpio.GpioPinValue.High);
await Task.Delay(10000);
MainPage.DLPin.Write(Windows.Devices.Gpio.GpioPinValue.Low);
this.Frame.GoBack();
}
else
{
Synthesizer.Speak("I am sorry " + user.firstName + ", you are not allowed in this room. You should contact the Administrator.");
this.Frame.GoBack();
}
}
else
{
Synthesizer.Speak("Opening Administrator page.");
this.Frame.Navigate(typeof(AdminPage));
}
}
else
{
failedVerifications++;
if (failedVerifications < 3)
{
Synthesizer.Speak("I am sorry Dave, I'm afraid I cannot do that.");
}
else
{
SqliteTransactions.ModifyAccessByUserId(user.userId, false);
Synthesizer.Speak("For security purposes, I have to deny your access to the room. You should contact the Administrator.");
this.Frame.GoBack();
}
}
}
}
else
{
Synthesizer.Speak("I need you to record your voice first.");
}
}
private async void Timer_Tick(object sender, object e)
{
//This part of the code will be reached if a time equal to timer.Interval is exceded after reading a bit
Debug.WriteLine(bitCount);
Debug.WriteLine(ones);
timer.Stop();
//We are working wih 35 bit Cards
if (bitCount == 35 && ones % 2 != 0)
{
bitCount = 0;
progressRing.IsActive = true;
//Get user information through the SOAP service using 6 bits Card Number
String[] userData = await soapService.GetUserInfo(FormatCard());
progressRing.IsActive = false;
//If there is a user in IIT's database with that 6 digit card number
if (userData != null)
{
String lastName = userData[0];
String firstName = userData[1];
String userId = userData[3];
Debug.WriteLine(userId + ": " + firstName + " " + lastName);
//Check if user is already registered in the Speaker Recognition Database
User user = SqliteTransactions.GetUserByUserId(userId);
//if not
if (user == null)
{
//Create new user with user info and open Enrollment Page
user = new User();
user.firstName = firstName;
user.lastName = lastName;
user.userId = userId;
user.access = false;
OpenEnrollment(user);
}
else
{
OpenVerification(user);
}
}
else
{
Debug.WriteLine("Card reading was wrong, or user not found.");
Synthesizer.Speak("Scan your card again.");
}
}
else
{
//If the number of bits is different from 35 or odd number of ones, we will take it as a wrong read
Synthesizer.Speak("Scan your card again.");
bitCount = 0;
FormatCard();
}
}
private async void doorButtonClicked(object sender, RoutedEventArgs e)
{
Synthesizer.Speak("Please come on in.");
//OPEN DOOR!!!!
MainPage.DLPin.Write(Windows.Devices.Gpio.GpioPinValue.High);
await Task.Delay(10000);
MainPage.DLPin.Write(Windows.Devices.Gpio.GpioPinValue.Low);
this.Frame.Navigate(typeof(MainPage));
}
public async Task <Enrollment> EnrollSpeaker()
{
if (profileCreated)
{
try
{
//Get .wav file
var audioStream = await Recorder.GetStreamAsync();
//Enroll Speaker using API
Enrollment enrollmentResult = await serviceClient.EnrollAsync(audioStream.AsStream(), speakerId);
return(enrollmentResult);
}
catch (Microsoft.ProjectOxford.SpeakerRecognition.Contract.EnrollmentException e)
{
if (e.Message.Equals("InvalidPhrase"))
{
if (firstEnrollment)
{
Synthesizer.Speak("I am sorry, I couldn't recognize a phrase from the list.");
Debug.WriteLine("I am sorry, I couldn't recognize a phrase from the list.");
}
else
{
Synthesizer.Speak("I am sorry, I need you to say the same phrase the three times.");
Debug.WriteLine("I am sorry, I need you to say the same phrase the three times.");
}
}
else if (e.Message.Equals("SpeechNotRecognized"))
{
Synthesizer.Speak("I am sorry, I couldn't recognize a human's voice. Please try again.");
Debug.WriteLine("I am sorry, I couldn't recognize a human's voice. Please try again.");
}
else
{
Debug.WriteLine("Couldn't enroll Speaker: " + e.Message);
Synthesizer.Speak("Something went wrong. Please try again.");
}
return(null);
}
catch (Exception e)
{
Synthesizer.Speak("Something went wrong. Please try again.");
Debug.WriteLine("Couldn't enrollSpeaker: " + e.Message);
return(null);
}
}
else
{
Debug.WriteLine("Create Profile first.");
return(null);
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
//Welcome the user when opening the page
user = (User)e.Parameter;
Synthesizer.Speak("Welcome. I need to make sure you are " + user.firstName + user.lastName);
//Show the user the phrase he or she has to say
phrase.Text = user.phrase;
speakerID = Guid.Parse(user.speakerId);
if (user.userId.Equals("A20387795"))
{
enrollmentImage.Source = forwardArrow;
isAdmin = true;
user.access = true;
}
}
private async void enrollmentButtonClicked(object sender, RoutedEventArgs e)
{
if (!newUser)
{
if (recorded)
{
progressRing.IsActive = true;
//Enroll speaker
Enrollment enrollmentResult = await enrollmentController.EnrollSpeaker();
progressRing.IsActive = false;
if (enrollmentResult != null)
{
enrollmentController.firstEnrollment = false;
int remainingEnrollments = enrollmentResult.RemainingEnrollments;
string enrollmentStatus = enrollmentResult.EnrollmentStatus.ToString();
if (!enrollmentStatus.Equals("Enrolled"))
{
if (remainingEnrollments == 1)
{
Synthesizer.Speak("The system needs " + remainingEnrollments + " last enrollment, please repeat the previous step.");
}
else
{
Synthesizer.Speak("The system needs " + remainingEnrollments + " more enrollments, please repeat the previous step.");
}
recorded = false;
}
else
{
//Add user to database
SqliteTransactions.AddUser(user);
Synthesizer.Speak("You have been succesfully enrolled. Contact the Administrator to get access to the room.");
this.Frame.GoBack();
}
}
}
else
{
Synthesizer.Speak("I need a different audio sample. Please repeat the previous step.");
}
}
else
{
Synthesizer.Speak("I need you to record your voice first.");
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
//Welom the User when opening the page
user = (User)e.Parameter;
Synthesizer.Speak("Welcome " + user.firstName + " " + user.lastName + ". I will need you to select one of the phrases and record your voice.");
}