public void FillAbsentAttendance(int RollCallID)
{
RollCallBusiness RollBO = new RollCallBusiness(this.RollSystemDB);
var rollCall = RollBO.GetRollCallByID(RollCallID);
//Tim nhung study session trong qua khu, chua co log
var PassStudySessions = rollCall.StudySessions.Where(ses => ses.SessionDate < DateTime.Today &&
!rollCall.AttendanceLogs.Any(log => log.LogDate == ses.SessionDate)).ToList();
//Bat dau ghi log absent toan bo
foreach (var PassStudySession in PassStudySessions)
{
AttendanceLog Log = new AttendanceLog()
{
RollCallID = RollCallID,
LogDate = PassStudySession.GetOriginalDate(),
TypeID = 1
};
foreach (var Student in rollCall.Students)
{
StudentAttendance Attendance = new StudentAttendance()
{
StudentID = Student.StudentID, IsPresent = false
};
Log.StudentAttendances.Add(Attendance);
}
Insert(Log);
}
}
/// <summary>
/// Lấy thời gian rảnh trong ngày.
/// Tính cả constrains giáo viên, dùng khi đổi time của session
/// </summary>
/// <param name="RollCallID"></param>
/// <param name="FromDate"></param>
/// <param name="ToDate"></param>
/// <returns></returns>
public List <TimeSpan> FindAvaibleSessionTime(int RollCallID, DateTime SelectedDate)
{
RollCallBusiness RollBO = new RollCallBusiness(this.RollSystemDB);
var rollCall = RollBO.GetRollCallByID(RollCallID);
//Tao 1 danh sach cac thoi gian rarnh
List <TimeSpan> TimeList = AllAvailableTime(rollCall.Subject.NumberOfSlot);
//Loai tiep nhung slot trong khoang thoi gian dc chon
foreach (var Session in rollCall.Class.StudySessions.
Where(ss => ss.SessionDate == SelectedDate))
{
foreach (var Time in TimeList.ToList())
{
if (Time >= Session.StartTime && Time <= Session.EndTime)
{
TimeList.Remove(Time);
}
}
}
foreach (var Session in rollCall.Instructor.StudySessions.
Where(ss => ss.SessionDate == SelectedDate))
{
foreach (var Time in TimeList.ToList())
{
if (Time >= Session.StartTime && Time <= Session.EndTime)
{
TimeList.Remove(Time);
}
}
}
return(TimeList);
}
public List <Instructor> GetInstructorOfRollCall(int RollCallID)
{
RollCallBusiness RollBO = new RollCallBusiness();
var rollCall = RollBO.GetRollCallByID(RollCallID);
return(rollCall.Subject.SubjectType.Instructors.ToList());
}
public List <AttendanceLog> GetRollCallAttendanceLog(int RollCallID)
{
//Lay roll call ra
if (RollBO == null)
{
RollBO = new RollCallBusiness(this.RollSystemDB);
}
RollCall RollCall = RollBO.GetRollCallByID(RollCallID);
//Fill lai gia tri nhung ngay trong qua khu
FillAbsentAttendance(RollCallID);
//Lay cac ngay trong roll call
var Dates = RollCall.AttendanceLogs.OrderBy(roll => roll.LogDate).Select(roll => roll.LogDate).Distinct();
List <AttendanceLog> AttendanceLogs = new List <AttendanceLog>();
foreach (DateTime Date in Dates)
{
AttendanceLog Log = GetAttendanceLogAtDate(RollCall.RollCallID, Date);
AttendanceLogs.Add(Log);
}
return(AttendanceLogs);
}
public void ChangeInstructor(int RollCallID, int InstructorID, String Note, DateTime FromDate, DateTime ToDate)
{
RollCallBusiness RollBO = new RollCallBusiness(this.RollSystemDB);
var rollCall = RollBO.GetRollCallByID(RollCallID);
int OldInstructorID = 0;
foreach (var StudySession in rollCall.StudySessions.ToList())
{
if (StudySession.SessionDate >= FromDate && StudySession.SessionDate <= ToDate)
{
OldInstructorID = StudySession.InstructorID;
StudySession.InstructorID = InstructorID;
StudySession.SetNote(Note);
base.Detach(StudySession);
base.Update(StudySession);
}
}
}
private static FaceRecognizer CreateRollCallRecognizer(int RollCallID)
{
//Tu rollcall ID, tao face recognizer, train
//FaceRecognizer FaceRec = new LBPHFaceRecognizer(1, 8, 8, 8, 75);
FaceRecognizer FaceRec = new FisherFaceRecognizer(80, RECOGNIZER_THREEHOLD);
List <int> StudentIDs = new List <int>();
List <Image <Gray, byte> > StudentImages = new List <Image <Gray, byte> >();
RollCallBusiness RollBO = new RollCallBusiness();
//Load danh sach student cua roll call
RollCall RollCall = RollBO.GetRollCallByID(RollCallID);
foreach (var Student in RollCall.Students)
{
foreach (var Image in Student.StudentImages)
{
try
{
//Load ID va anh de train cho bo recognizer
String TrainingImagePath = TRAINING_FOLDER_PATH + "/" + Image.ImageLink;
Image <Gray, byte> TrainingImage = new Image <Gray, byte>(TrainingImagePath);
StudentIDs.Add(Image.StudentID);
TrainingImage._EqualizeHist();
StudentImages.Add(TrainingImage);
}
catch
{
}
}
}
if (StudentImages.Count == 0 || StudentIDs.Count == 0)
{
return(null);
}
FaceRec.Train(StudentImages.ToArray(), StudentIDs.ToArray());
return(FaceRec);
}
public bool Insert(StudySession Session)
{
RollCallBusiness RollBO = new RollCallBusiness();
var rollCall = RollBO.GetRollCallByID(Session.RollCallID);
int NumberOfSlot = rollCall.Subject.NumberOfSlot;
//Set thoi gian
Session.EndTime = Session.StartTime.
Add(TimeSpan.FromMinutes(90 * NumberOfSlot)).
Add(TimeSpan.FromMinutes(15 * (NumberOfSlot - 1)));
var SameTimeSessions = base.GetList().Where(
s => (Session.StartTime >= s.StartTime && Session.StartTime <= s.EndTime) ||
(Session.EndTime >= s.StartTime && Session.EndTime <= s.EndTime)).
Where(s => Session.SessionDate == s.SessionDate && Session.SessionID != s.SessionID);
var SameTimeSesion = SameTimeSessions.FirstOrDefault(s => s.InstructorID == Session.InstructorID);
//Xet tiep xem gio doi co trung. (Xet trung gio, trung giao vien hoac trung lop
if (SameTimeSesion != null)
{
//Bao la giao vien da day
String Request = String.Format("Request: {0} teach class {1} at {2} - {3} on {4}",
Session.Instructor.Fullname, Session.Class.ClassName,
Session.StartTime.ToString(@"hh\:mm"),
Session.EndTime.ToString(@"hh\:mm"),
Session.SessionDate.ToString("dd-MM-yyyy"));
String Error = String.Format("Error: Instructor {0} is teaching class {1} at {2} - {3} on {4}.",
SameTimeSesion.Instructor.Fullname, SameTimeSesion.Class.ClassName,
SameTimeSesion.StartTime.ToString(@"hh\:mm"),
SameTimeSesion.EndTime.ToString(@"hh\:mm"),
SameTimeSesion.SessionDate.ToString("dd-MM-yyyy"));
throw new Exception(Request + "\n" + Error);
}
else
{
SameTimeSesion = SameTimeSessions.FirstOrDefault(s => s.ClassID == Session.ClassID);
if (SameTimeSesion != null)
{
String Request = String.Format("Request: Class {0} learn {1} at {2} - {3} on {4}",
Session.Class.ClassName, Session.RollCall.Subject.FullName,
Session.StartTime.ToString(@"hh\:mm"),
Session.EndTime.ToString(@"hh\:mm"),
Session.SessionDate.ToString("dd-MM-yyyy"));
//Bao la lop nay da hoc
String Error = String.Format("Error: Class {0} is learning {1} at {2} - {3} on {4}",
SameTimeSesion.Class.ClassName, SameTimeSesion.RollCall.Subject.FullName,
SameTimeSesion.StartTime.ToString(@"hh\:mm"),
SameTimeSesion.EndTime.ToString(@"hh\:mm"),
SameTimeSesion.SessionDate.ToString("dd-MM-yyyy"));
throw new Exception(Request + "\n" + Error);
}
else
{
return(base.Insert(Session));
}
}
}
public AttendanceLog WriteAttendanceAutoLog(int RollCallID, List <RecognizerResult> RecognizerResults)
{
if (RecognizerResults.Count == 0)
{
return(null);
}
//Tim xem da co log auto cho hom nay chua
AttendanceLog Log = GetAttendanceLogAtDate(RollCallID, DateTime.Today, 1);
bool LogExist = true;
if (Log == null)
{
Log = new AttendanceLog()
{
RollCallID = RollCallID,
LogDate = DateTime.Today,
TypeID = 1
};
LogExist = false;
}
//Dua danh sach nhan vao, loc ra ID nhung sinh vien co mat
HashSet <int> StudentIDs = new HashSet <int>();
foreach (var result in RecognizerResults)
{
foreach (var face in result.FaceList)
{
//ID phai khac -1, moi tinh la nhan duoc
if (face.StudentID != -1)
{
StudentIDs.Add(face.StudentID);
}
}
//Save hinh cho log, neu hinh da trung thi ko save
if (!Log.LogImages.Any(image => image.ImageLink.Equals(result.ImageLink)))
{
LogImage LogImg = new LogImage()
{
ImageLink = result.ImageLink
};
Log.LogImages.Add(LogImg);
}
}
//Lay toan bo student cua roll call
RollCallBusiness RollBO = new RollCallBusiness(this.RollSystemDB);
RollCall rollCall = RollBO.GetRollCallByID(RollCallID);
List <int> RollCallStudentIDs = rollCall.Students.Select(s => s.StudentID).ToList();
foreach (int StudentID in RollCallStudentIDs)
{
//Neu student chua co trong log thi add vao
if (!Log.StudentAttendances.Any(attendace => attendace.StudentID == StudentID))
{
StudentAttendance Attendance = new StudentAttendance()
{
StudentID = StudentID,
};
//Xem co ten trong list cac id da nhan dc hay ko
if (StudentIDs.Contains(StudentID))
{
Attendance.IsPresent = true;
}
else
{
Attendance.IsPresent = false;
}
Log.StudentAttendances.Add(Attendance);
}
else
{
StudentAttendance Attendance = Log.StudentAttendances.SingleOrDefault(attendance => attendance.StudentID == StudentID);
if (StudentIDs.Contains(StudentID))
{
Attendance.IsPresent = true;
}
//Ko chuyen tu true sang false, vi moi lan diem danh co the thieu nguoi
}
}
//Neu log chua co thi them vao, da co thi edit lai
if (LogExist)
{
Update(Log);
}
else
{
Insert(Log);
}
//Tra Log ra de show
return(Log);
}
private ExcelWorksheet CreateDetailWorksheet(int StudentID, int RollCallID)
{
RollCallBusiness RollBO = new RollCallBusiness();
var rollCall = RollBO.GetRollCallByID(RollCallID);
StudentBusiness StuBO = new StudentBusiness();
var student = StuBO.GetStudentByID(StudentID);
AttendanceBusiness AttenBO = new AttendanceBusiness();
List <AttendanceLog> RollCallLogs = AttenBO.GetRollCallAttendanceLog(RollCallID);
var StudentAttendances = student.StudentAttendances.Where(sa => sa.AttendanceLog.RollCallID == RollCallID &&
RollCallLogs.Select(r => r.LogID).Contains(sa.LogID))
.OrderBy(sa => sa.AttendanceLog.LogDate).ToList();
ExcelWorksheet DetailWorkSheet = new ExcelPackage().
Workbook.Worksheets.Add(rollCall.Subject.ShortName + "_" + rollCall.BeginDate.ToString("dd-MM-yyyy"));
int Absent = StudentAttendances.Count(sa => !sa.IsPresent);
double AbsentRate = (double)Absent / rollCall.StudySessions.Count * 100;
DetailWorkSheet.Cells["A:XFD"].Style.Font.Name = "Arial";
DetailWorkSheet.Cells["C2"].Value = "Attendance Report Detail";
DetailWorkSheet.Cells["C2"].Style.Font.Size = 18;
DetailWorkSheet.Cells["C2"].Style.Font.Bold = true;
//student detail
DetailWorkSheet.Cells["C3"].Value = "Subject";
DetailWorkSheet.Cells["C4"].Value = "Date";
DetailWorkSheet.Cells["C5"].Value = "Instructor";
DetailWorkSheet.Cells["C6"].Value = "Total Session";
DetailWorkSheet.Cells["C7"].Value = "Completed Session";
DetailWorkSheet.Cells["C8"].Value = "Absent";
DetailWorkSheet.Cells["C9"].Value = "Absent Rate";
DetailWorkSheet.Cells["C3:C9"].Style.Font.Size = 12;
DetailWorkSheet.Cells["C3:C9"].Style.Font.Bold = true;
DetailWorkSheet.Cells["D3"].Value = rollCall.Subject.FullName;
DetailWorkSheet.Cells["D4"].Value = "From " + rollCall.BeginDate.ToString("dd-MM-yyyy") + " to " + rollCall.EndDate.ToString("dd-MM-yyyy");
DetailWorkSheet.Cells["D5"].Value = rollCall.Instructor.Fullname;
DetailWorkSheet.Cells["D6"].Value = rollCall.Subject.NumberOfSession;
DetailWorkSheet.Cells["D7"].Value = StudentAttendances.Count();
DetailWorkSheet.Cells["D8"].Value = Absent;
DetailWorkSheet.Cells["D9"].Value = String.Format("{0:0}%", AbsentRate);
DetailWorkSheet.Cells["D6:D9"].Style.HorizontalAlignment = ExcelHorizontalAlignment.Left;
//title table
DetailWorkSheet.Cells["B11"].Value = "No.";
DetailWorkSheet.Cells["C11"].Value = "Date";
DetailWorkSheet.Cells["D11"].Value = "Present";
DetailWorkSheet.Cells["E11"].Value = "Note";
DetailWorkSheet.Cells["B11:E11"].Style.Font.Size = 12;
DetailWorkSheet.Cells["B11:E11"].Style.Font.Bold = true;
for (int i = 0; i < StudentAttendances.Count(); i++)
{
int RowIndex = 12 + i;
DetailWorkSheet.Cells["B" + RowIndex].Value = i + 1;
DetailWorkSheet.Cells["C" + RowIndex].Value = StudentAttendances.ElementAt(i).AttendanceLog.LogDate.ToString("dd-MM-yyyy");
if (StudentAttendances.ElementAt(i).IsPresent)
{
DetailWorkSheet.Cells["D" + RowIndex].Value = "Present";
}
else
{
DetailWorkSheet.Cells["D" + RowIndex].Value = "Absent";
DetailWorkSheet.Cells["D" + RowIndex].Style.Font.Bold = true;
}
DetailWorkSheet.Cells["E" + RowIndex].Value = StudentAttendances.ElementAt(i).Note;
}
//set border table
for (int column = 2; column <= 5; column++)
{
for (int row = 11; row <= 11 + StudentAttendances.Count(); row++)
{
DetailWorkSheet.Cells[row, column].Style.Border.BorderAround(ExcelBorderStyle.Thin, Color.Black);
}
}
//set height , width
DetailWorkSheet.Cells["C2:D2"].Merge = true;
DetailWorkSheet.Cells["C2:D2"].Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
DetailWorkSheet.Column(2).Width = 5;
DetailWorkSheet.Column(3).Width = 30;
DetailWorkSheet.Column(4).Width = 30;
DetailWorkSheet.Column(5).Width = 20;
return(DetailWorkSheet);
}
