private async void deletePersonButton_Click(object sender, RoutedEventArgs e)
{
//Double check whether to delete
progressDialog = new ContentDialog()
{
Title = " ",
Content = "Do you really want to delete the chosen person?",
PrimaryButtonText = "Yes, please delete it.",
SecondaryButtonText = "Cancel",
FullSizeDesired = false
};
progressDialog.IsPrimaryButtonEnabled = true;
int result = (int)await progressDialog.ShowAsync();
if (result == 1)
{
//Deletion begin
showProgressDialog("Deleting the person");
await AzureDatabaseService.DeletePersonAndItsFaces(thisPerson);
thisPerson = null;
deletePersonButton.IsEnabled = false;
progressDialog.Content = "Deletion Finished !";
progressDialog.IsPrimaryButtonEnabled = true;
//Reload Persons List
loadPersonsAndCheckEnquiry();
}
}
private async void addPersonButton_Click(object sender, RoutedEventArgs e)
{
testInternetConnection();
if (internetConnection)
{
thisPerson = new Person();
var result = await PersonDialog.ShowAsync();
// Value 1 indicates primary button was selected by the user, which adds a new Person
if ((int)result == 1)
{
//Apply the Data
showProgressDialog("Apply the Data...");
thisPerson.Name = PersonNameInput.Text;
thisPerson.Relation = PersonRelationInput.Text;
thisPerson.RiskFactor = (int)riskSlider.Value;
thisPerson.PatientId = PatientId;
//Upload Person Info
progressDialog.Content = "Upload Person Info...";
await AzureDatabaseService.UploadPersonInfo(thisPerson);
thisPerson = await AzureDatabaseService.GetPersonFromNameAndRelation(thisPerson.Name, thisPerson.Relation, thisPerson.PatientId);
//statusTextBlock.Text = "thisPerson.Id = " + thisPerson.Id;
//Upload Face Info
progressDialog.Content = "Upload Faces and Images...";
foreach (Face face in addFaceList)
{
face.PersonId = thisPerson.Id;
}
await AzureDatabaseService.UploadFaceInfo(thisPerson.Id, addFaceList);
foreach (Face face in deleteFaceList)
{
await AzureDatabaseService.DeleteFace(face);
}
//Reload Persons List
loadPersonsAndCheckEnquiry();
//Add a Person Finished!
progressDialog.Content = "Add a Person Finished !";
progressDialog.IsPrimaryButtonEnabled = true;
} //end result == 1
} //end internetConnection
initializePersonInfoDialog();
}//end addPersonButton_Click
private async void loadPersonsAndCheckEnquiry()
{
Persons.Clear();
ObservableCollection <Person> persons = await AzureDatabaseService.GetPersonList(PatientId);
foreach (Person person in persons)
{
Persons.Add(person);
}
//Check the unfinished Stranger Warning Enquiry
unfinishedWarningList = await AzureDatabaseService.GetUnfinishedWarningList(PatientId);
if (unfinishedWarningList.Count > 0)
{
WarningImage.Visibility = Visibility.Visible;
}
}
/// <summary>
/// Retrieves the count of detected faces
/// </summary>
/// <param name="faces">The list of detected faces from the FaceDetected event of the effect</param>
private async void CountDetectedFaces(IReadOnlyList <DetectedFace> faces)
{
FaceCount = $"{_detectionString} {faces.Count.ToString()}";
// If we detect any faces, kill our no faces timer
if (faces.Count != 0)
{
if (_noFacesTimer != null)
{
_noFacesTimer.Dispose();
}
}
// Otherwise, if we are filtering and don't have a timer
else if (_currentlyFiltered && (_noFacesTimer == null))
{
// Create a callback
TimerCallback noFacesCallback = (object stateInfo) =>
{
_dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
OnFilterOnFace(_unfilteredName);
_noFacesTimer = null;
});
_noFacesTimer.Dispose();
};
// Set our timer
_noFacesTimer = new Timer(noFacesCallback, null, NoFacesTime, Timeout.Infinite);
}
// We are also going to take an image the first time that we detect exactly one face.
// Sidenote - to avoid a race-condition, I had to use a boolean. Just checking for _faceCaptureStill == null could produce an error.
if ((faces.Count == 1) && !_holdForTimer) // && !_currentlyFiltered
{
// Kick off the timer so we don't keep taking pictures, but will resubmit if we are not filtered
_holdForTimer = true;
//MainPage.isOnTime = false;
// Take the picture
_faceCaptureStill = await ApplicationData.Current.LocalFolder.CreateFileAsync("FaceDetected.jpg", CreationCollisionOption.ReplaceExisting);
await _mediaCapture.CapturePhotoToStorageFileAsync(ImageEncodingProperties.CreateJpeg(), _faceCaptureStill);
if (((App)Application.Current).AppSettings.FaceApiKey != "" && FacialSimilarity.InitialTrainingPerformed)
{
var UserName = await FacialSimilarity.CheckForUserAsync(new Uri("ms-appdata:///local/FaceDetected.jpg"));
if (UserName != "")
{
OnFilterOnFace(UserName);
}
else //strange face is detected
{
#region a strange face is detected
//Voice Feedback
//await MainPage._speechManager.SpeakAsync("Stranger! Sending the enquiry", MainPage.mediaElement);
//Stranger Notice
MainPage.thisPhrase = "stranger! Sending the enquiry!"; //stranger1
//Create a new Person
thisPerson = new Person();
thisPerson.Name = "stranger";
thisPerson.FriendlyName = "stranger";
thisPerson.Relation = "";
thisPerson.PatientId = MainPage.PatientId;
await AzureDatabaseService.UploadPersonInfo(thisPerson);
thisPerson = new Person();
thisPerson = await AzureDatabaseService.GetLatestPerson();
thisPerson.FriendlyName += thisPerson.Id;
await AzureDatabaseService.UploadPersonInfo(thisPerson);
//Create a new Face
thisFace = new Face();
// Prepare the captured image
StorageFile newImageFile = await ApplicationData.Current.LocalFolder.GetFileAsync("FaceDetected.jpg");
//StorageFolder newPersonFolder = await ApplicationData.Current.LocalFolder.CreateFolderAsync(("Users\\" + thisPerson.FriendlyName), CreationCollisionOption.OpenIfExists);
//await newImageFile.CopyAsync(newPersonFolder, "ProfilePhoto.jpg", NameCollisionOption.ReplaceExisting);
string faToken = null;
IRandomAccessStream irandom = await newImageFile.OpenAsync(FileAccessMode.Read);
faToken = Windows.Storage.AccessCache.StorageApplicationPermissions.FutureAccessList.Add(newImageFile);
thisFace.Image = new BitmapImage();
await thisFace.Image.SetSourceAsync(irandom);
thisFace.ImageToken = faToken;
thisFace.IsDefault = true;
//Upload the Face
//addFaceList.Add(thisFace);
await AzureDatabaseService.UploadOneFaceInfo(thisPerson.Id, thisFace);
//addFaceList.Clear();
thisFace = new Face();
thisFace = await AzureDatabaseService.GetLatestFace();
ObservableCollection <Face> newFaces = new ObservableCollection <Face>();
newFaces.Add(thisFace);
MainPage.Persons.Add(thisPerson);
//MainPage.Faces.Add(newFaces);
//Upload the image
//await AzureBlobService.UploadImageFromImageToken(faToken, thisFace.Id + ".jpg");
Face updatedFace = await AzureDatabaseService.UpdateFaceImageAddress(thisFace);
thisFace = updatedFace;
await AzureDatabaseService.UpdatePersonDefaultImageAddress(thisPerson.Id, thisFace);
thisPerson = await AzureDatabaseService.GetLatestPerson();
MainPage.Persons.Add(thisPerson);
//Upload a Stranger Warning Enquiry
thisWarning.PersonId = thisPerson.Id;
await AzureDatabaseService.UploadWarning(thisWarning);
// Update the profile picture for the person
//await FacialSimilarity.AddTrainingImageAsync(thisPerson.FriendlyName, new Uri($"ms-appdata:///local/Users/{thisPerson.FriendlyName}/ProfilePhoto.jpg"));
AddNewPersonFromDB(thisPerson, newFaces);
MainPage.thisPhrase = "Stranger! Be careful!"; //stranger2
//StorageFolder folder = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFolderAsync("Media");
//StorageFile file = await folder.GetFileAsync("dong.wav");
//var soundStream = await file.OpenAsync(FileAccessMode.Read);
//MainPage.mediaElement.SetSource(soundStream, file.ContentType);
//MainPage.mediaElement.Play();
//await MainPage._speechManager.SpeakAsync("Stranger", MainPage.mediaElement);
////Perform initialization for facial detection.
//await FacialSimilarity.TrainDetectionAsync();
#endregion
}
}
// Allow the camera to take another picture in 10 seconds
TimerCallback callback = (Object stateInfo) =>
{
// Now that the timer is expired, we no longer need to hold
// Nothing else to do since the timer will be restarted when the picture is taken
_holdForTimer = false;
if (_pictureTimer != null)
{
_pictureTimer.Dispose();
}
};
_pictureTimer = new Timer(callback, null, 5000, Timeout.Infinite);
}//end if ((faces.Count == 1) && !_holdForTimer && !_currentlyFiltered)
}
private async void testInternetConnection()
{
//Test Internet Connection
try
{
//showProgressDialog("Checking the Internet Connection...");
//progressDialog.Title = "Processing: ";
//progressDialog.PrimaryButtonText = "Ok";
statusTextBlock.Text = "Checking the Internet Connection...";
Persons.Clear();
ObservableCollection <Person> persons = await AzureDatabaseService.GetPersonList(PatientId);
foreach (Person person in persons)
{
Persons.Add(person);
}
//Check the unfinished Stranger Warning Enquiry
unfinishedWarningList = await AzureDatabaseService.GetUnfinishedWarningList(PatientId);
if (unfinishedWarningList.Count > 0)
{
WarningImage.Visibility = Visibility.Visible;
}
}
catch (System.Net.Http.HttpRequestException)
{
internetConnection = false;
statusTextBlock.Text = " ";
showProgressDialog("Internet Connection Error! Please check your Internet connection.");
progressDialog.Title = "Internet Connection Error!";
progressDialog.PrimaryButtonText = "Ok, I know";
progressDialog.IsPrimaryButtonEnabled = true;
await progressDialog.ShowAsync();
return;
//Test Internet Connection Again
//testInternetConnection();
}
//Set up the timer to check Stranger Warning Enquiry
CheckEnquiryTimer = ThreadPoolTimer.CreatePeriodicTimer(async(source) =>
{
//t++; //for testing
//Check the unfinished Stranger Warning Enquiry
unfinishedWarningList = await AzureDatabaseService.GetUnfinishedWarningList(PatientId);
// Update the UI thread by using the UI core dispatcher.
await Dispatcher.RunAsync(CoreDispatcherPriority.High, () =>
{
//testTextBlock.Text = t.ToString(); //for testing
if (unfinishedWarningList.Count > 0)
{
WarningImage.Visibility = Visibility.Visible;
}
});
}, checkEnquiryTimeSpan);
internetConnection = true;
statusTextBlock.Text = "Internet Connection Success!";
//progressDialog.Content = "Internet Connection Success!";
//progressDialog.IsPrimaryButtonEnabled = true;
return;
}
}//end addPersonButton_Click
private async void WarningImage_Tapped(object sender, TappedRoutedEventArgs e)
{
//get the stranger info
thisPerson = await AzureDatabaseService.GetOnePersonFromId(unfinishedWarningList[0].PersonId);
defaultImage.Source = await AzureBlobService.DisplayImageFile(thisPerson.DefaultImageAddress);
familiarRadioButton.IsChecked = thisPerson.IsFamiliar;
strangeRadioButton.IsChecked = !thisPerson.IsFamiliar;
//Update Faces
Faces.Clear();
ObservableCollection <Face> faces = await AzureDatabaseService.GetFaceList(thisPerson.Id);
foreach (Face face in faces)
{
face.Image = await AzureBlobService.DisplayImageFile(face.ImageAddress);
Faces.Add(face);
}
var result = await PersonDialog.ShowAsync();
// Value 1 indicates primary button was selected by the user, which modify the Person
if ((int)result == 1)
{
//Enable the Update of Person Info
//Apply the Data
showProgressDialog("Apply the Data...");
thisPerson.Name = PersonNameInput.Text;
thisPerson.Relation = PersonRelationInput.Text;
thisPerson.RiskFactor = (int)riskSlider.Value;
//Upload Person Info
progressDialog.Content = "Update Person Info...";
await AzureDatabaseService.UpdatePersonInfoWithId(thisPerson);
//Upload Face Info
progressDialog.Content = "Upload Faces and Images...";
foreach (Face face in addFaceList)
{
face.PersonId = thisPerson.Id;
}
await AzureDatabaseService.UploadFaceInfo(thisPerson.Id, addFaceList);
foreach (Face face in deleteFaceList)
{
await AzureDatabaseService.DeleteFace(face);
}
//TODO: Cannot update the default image address in the Person
//Operate the Enquiry Info
progressDialog.Content = "Operate the Enquiry Info...";
Warning thisWarning = unfinishedWarningList[0];
thisWarning.IsFinished = true;
thisWarning.IsFamiliar = thisPerson.IsFamiliar;
await AzureDatabaseService.UpdateWarningEnquiryWithId(thisWarning);
//Reload Persons List
loadPersonsAndCheckEnquiry();
//Add a Person Finished!
progressDialog.Content = "Operate the Enquiry Finished !";
progressDialog.IsPrimaryButtonEnabled = true;
}//end result == 1
initializePersonInfoDialog();
}
private async void personGridView_ItemClick(object sender, ItemClickEventArgs e)
{
//Update Person Info
thisPerson = e.ClickedItem as Person;
familiarRadioButton.IsChecked = thisPerson.IsFamiliar;
strangeRadioButton.IsChecked = !thisPerson.IsFamiliar;
PersonNameInput.Text = thisPerson.Name;
PersonRelationInput.Text = thisPerson.Relation;
if (thisPerson.DefaultImageAddress != null)
{
defaultImage.Source = thisPerson.DefaultIcon; //await AzureBlobService.DisplayImageFile(thisPerson.DefaultImageAddress);
}
else
{
defaultImage.Source = nullBitmapImage;
}
riskSlider.Value = thisPerson.RiskFactor;
//Update Faces
Faces.Clear();
ObservableCollection <Face> faces = await AzureDatabaseService.GetFaceList(thisPerson.Id);
foreach (Face face in faces)
{
face.Image = await AzureBlobService.DisplayImageFile(face.ImageAddress);
Faces.Add(face);
}
//Show the Person Info Dialog
var result = await PersonDialog.ShowAsync();
// Value 1 indicates primary button was selected by the user, which modify a new Person
if ((int)result == 1)
{
//Enable the Update of Person Info
//Apply the Data
showProgressDialog("Apply the Data...");
thisPerson.Name = PersonNameInput.Text;
thisPerson.Relation = PersonRelationInput.Text;
thisPerson.RiskFactor = (int)riskSlider.Value;
//Upload Person Info
progressDialog.Content = "Update Person Info...";
await AzureDatabaseService.UpdatePersonInfoWithId(thisPerson);
//Upload Face Info
progressDialog.Content = "Upload Faces and Images...";
foreach (Face face in addFaceList)
{
face.PersonId = thisPerson.Id;
Faces.Remove(face);
}
ObservableCollection <Face> newAddFaceList = await AzureDatabaseService.UploadFaceInfo(thisPerson.Id, addFaceList);
foreach (Face face in addFaceList)
{
Faces.Add(face);
}
foreach (Face face in deleteFaceList)
{
await AzureDatabaseService.DeleteFace(face);
}
try
{
await AzureDatabaseService.UpdateFaceIsDefault(thisPerson.Id, Faces);
}
catch
{
}
//Reload Persons List
loadPersonsAndCheckEnquiry();
//Add a Person Finished!
progressDialog.Content = "Update a Person Finished !";
progressDialog.IsPrimaryButtonEnabled = true;
}//end result == 1
initializePersonInfoDialog();
deletePersonButton.IsEnabled = true;
}
/// <summary>
/// Test Internet Connection and Load Persons and Faces
/// </summary>
private async void testInternetConnection()
{
//Test Internet Connection
try
{
showProgressDialog("Checking the Internet Connection and Loading the data...");
progressDialog.Title = "Processing: ";
progressDialog.PrimaryButtonText = "Ok";
//statusTextBlock.Text = "Checking the Internet Connection...";
//Get Person List for this patient
Persons.Clear();
ObservableCollection <Person> persons = await AzureDatabaseService.GetPersonList(PatientId);
//statusTextBlock.Text = persons.Count + " Persons: ";
//Clear Local User Folder
StorageFolder userFolder = await ApplicationData.Current.LocalFolder.CreateFolderAsync(("Users\\"), CreationCollisionOption.OpenIfExists);
await userFolder.DeleteAsync();
userFolder = await ApplicationData.Current.LocalFolder.CreateFolderAsync(("Users\\"), CreationCollisionOption.OpenIfExists);
//Perform initialization for facial detection.
await FacialSimilarity.TrainDetectionAsync();
//Download each person
foreach (Person person in persons)
{
//Update Info
person.DefaultIcon = await AzureBlobService.DisplayImageFile(person.DefaultImageAddress);
Persons.Add(person);
//Get Face List for each person
ObservableCollection <Face> faces = await AzureDatabaseService.GetFaceList(person.Id);
foreach (Face face in faces)
{
face.Image = await AzureBlobService.DisplayImageFile(face.ImageAddress);
}
Faces.Add(faces);
AddNewPersonFromDB(person, faces);
//statusTextBlock.Text += faces.Count + " faces ";
}
}
catch (System.Net.Http.HttpRequestException)
{
internetConnection = false;
//statusTextBlock.Text = " ";
//showProgressDialog("Internet Connection Error! Please check your Internet connection.");
progressDialog.Title = "Internet Connection Error!";
progressDialog.PrimaryButtonText = "Ok, I know";
progressDialog.IsPrimaryButtonEnabled = true;
//await progressDialog.ShowAsync();
return;
//Test Internet Connection Again
//testInternetConnection();
}
internetConnection = true;
//statusTextBlock.Text = "Internet Connection Success!";
progressDialog.Content = "Success!";
progressDialog.IsPrimaryButtonEnabled = true;
return;
}
