public async Task <TakeAttendanceByImageResponse> TakeAttendanceByImage(TakeAttendanceByImageRequest request)
{
var response = await _businessLogic.TakeAttendanceByImage(request);
return(response);
}
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);
}
