public async Task <ReportToTeacherByScheduleIdResponse> ReportToTeacherByScheduleId(ReportToTeacherByScheduleIdRequest request)
{
int scheduleId = Convert.ToInt32(request.ScheduleId);
var reportedSchedule = _context.Schedules
.Where(s => s.ScheduleId == scheduleId)
.FirstOrDefault();
if (reportedSchedule != null)
{
// Change attendance report status to Reported
reportedSchedule.ReportStatus = "Reported";
_context.SaveChanges();
FirebaseNotificationModel firebaseNotiModel = new FirebaseNotificationModel()
{
To = "/topics/teacher_" + reportedSchedule.TeacherId,
Notification = new NotificationModel()
{
Title = "Attendance Report Date " + reportedSchedule.Date,
Body = "Student with ID " + reportedSchedule.StudentId + " has reported attendance on slot " + reportedSchedule.SlotId
}
};
// Send notification to the responsible teacher and return response
return(await FirebaseNotificationPusher.Send(firebaseNotiModel));
}
return(null);
}
public void SaveNewDetectedFace(string name, Image <Gray, byte> detectedFace)
{
using (var context = new FaceRecognitionContext())
{
byte[] pixelData;
using (var ms = new MemoryStream())
{
detectedFace.Bitmap.Save(ms, ImageFormat.Bmp);
pixelData = ms.ToArray();
}
var recognizedFace = new RecognizedFace
{
Height = detectedFace.Height,
Width = detectedFace.Width,
PixelData = pixelData
};
var user = new User
{
Face = recognizedFace,
NickName = name
};
context.Users.Add(user);
context.SaveChanges();
}
}
public void Add(ImageLabel image)
{
using (var context = new FaceRecognitionContext())
{
context.ImageLabels.Add(image);
context.SaveChanges();
}
}
public void Add(IEnumerable <ImageLabel> images)
{
using (var context = new FaceRecognitionContext())
{
context.ImageLabels.AddRange(images);
context.SaveChanges();
}
}
public void SetLabel(int imageLabelId, string label)
{
using (var context = new FaceRecognitionContext())
{
var imageLabelToSetLabel = context.ImageLabels.FirstOrDefault(e => e.ImageLabelId == imageLabelId);
if (imageLabelToSetLabel != null)
{
imageLabelToSetLabel.Label = label;
context.SaveChanges();
}
}
}
public void Delete(int id)
{
using (var context = new FaceRecognitionContext())
{
var imageLabelToDelete = context.ImageLabels.FirstOrDefault(e => e.ImageLabelId == id);
if (imageLabelToDelete != null)
{
context.ImageLabels.Remove(imageLabelToDelete);
context.SaveChanges();
}
}
}
public async Task <TakeAttendanceByImageResponse> TakeAttendanceByImage(TakeAttendanceByImageRequest request)
{
TakeAttendanceByImageResponse response = new TakeAttendanceByImageResponse();
var rootImages = new List <RootImage>();
var locationImagePath = Path.Combine(HttpRuntime.AppDomainAppPath, Constants.Config.AttendanceImagePath, request.Date.ToString("yyyyMMdd"), request.ClassId, request.SlotId.ToString());
ImageConverter.CreateDirectory(locationImagePath);
int numberOfImage = 1;
await Task.Run(async() =>
{
foreach (var imageUrl in request.ImageUrls)
{
var image = await GetImages(imageUrl);
rootImages.Add(image);
//save image to folder
ImageConverter.Base64ToImage(Path.Combine(locationImagePath, numberOfImage + ".jpg"), imageUrl);
numberOfImage++;
}
});
var listCandidateId = new List <string>();
try
{
foreach (var rootImage in rootImages)
{
foreach (var image in rootImage.Images)
{
if (image.Candidates != null && image.Transaction.Status.Equals(Constants.KairosApi.TransactionSuccess))
{
var firstCandidate = image.Candidates.OrderByDescending(c => c.Confidence).First();
listCandidateId.Add(firstCandidate.SubjectId);
}
}
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
listCandidateId = listCandidateId.Distinct().ToList();
var studentList = (from sd in _context.Schedules
where sd.TeacherId == request.UserId &&
sd.Date == request.Date &&
sd.SlotId == request.SlotId
select sd).ToList();
List <StudentAttendance> students = new List <StudentAttendance>();
foreach (var student in studentList)
{
if (listCandidateId.Any(x => x.Equals(student.StudentId)))
{
student.AttendanceStatus = Constants.AttendanceStatus.Presented;
}
else
{
student.AttendanceStatus = Constants.AttendanceStatus.Absent;
}
var studentAttendance = (from st in _context.Students
where st.StudentId == student.StudentId
select new StudentAttendance()
{
StudentId = st.StudentId,
FullName = st.FullName,
Email = st.Email,
AttendanceStatus = student.AttendanceStatus
}).First();
students.Add(studentAttendance);
}
_context.SaveChanges();
response.Students = students;
return(response);
}
