public async Task <AttendanceSummary> GetAttendanceSummary(int teacherId, GradingPeriod gradingPeriod)
{
var classes = ServiceLocator.ClassService.GetTeacherClasses(gradingPeriod.SchoolYearRef, teacherId, gradingPeriod.MarkingPeriodRef);
if (classes.Count == 0)
{
return(new AttendanceSummary
{
ClassesDaysStat = new List <ClassDailyAttendanceSummary>(),
Students = new List <StudentAttendanceSummary>()
});
}
var classesIds = classes.Select(x => x.Id).ToList();
var attSummarytask = ConnectorLocator.AttendanceConnector.GetSectionAttendanceSummary(classesIds, gradingPeriod.StartDate, gradingPeriod.EndDate);
var students = ServiceLocator.StudentService.GetTeacherStudents(teacherId, gradingPeriod.SchoolYearRef);
var sectionsAttendanceSummary = await attSummarytask;
var res = new AttendanceSummary();
var dailySectionAttendances = new List <DailySectionAbsenceSummary>();
var studentAtts = new List <StudentSectionAbsenceSummary>();
var sectionStSet = new HashSet <Pair <int, int> >();
var sectionDaySet = new HashSet <Pair <int, DateTime> >();
foreach (var sectionAttendanceSummary in sectionsAttendanceSummary)
{
foreach (var dailySectionAtt in sectionAttendanceSummary.Days)
{
var pair = new Pair <int, DateTime>(dailySectionAtt.SectionId, dailySectionAtt.Date);
if (!sectionDaySet.Contains(pair))
{
sectionDaySet.Add(pair);
dailySectionAttendances.Add(dailySectionAtt);
}
}
foreach (var student in sectionAttendanceSummary.Students)
{
var pair = new Pair <int, int>(student.SectionId, student.StudentId);
if (!sectionStSet.Contains(pair))
{
sectionStSet.Add(pair);
studentAtts.Add(student);
}
}
}
studentAtts = studentAtts.Where(x => classesIds.Contains(x.SectionId)).ToList();
res.ClassesDaysStat = ClassDailyAttendanceSummary.Create(dailySectionAttendances, classes);
res.Students = StudentAttendanceSummary.Create(studentAtts, students, classes);
return(res);
}
public async Task <AttendanceSummary> GetAttendanceSummary(int teacherId, GradingPeriod gradingPeriod)
{
Trace.Assert(Context.SchoolYearId.HasValue);
var classes = ServiceLocator.ClassService.GetTeacherClasses(gradingPeriod.SchoolYearRef, teacherId, gradingPeriod.MarkingPeriodRef);
var classesIds = classes.Select(x => x.Id).ToList();
var students = ServiceLocator.StudentService.GetTeacherStudents(teacherId, Context.SchoolYearId.Value);
var sectionsAttendanceSummary = GetSectionAttendanceSummary(classesIds, gradingPeriod.StartDate, gradingPeriod.EndDate);
var res = new AttendanceSummary();
var dailySectionAttendances = new List <DailySectionAbsenceSummary>();
var studentAtts = new List <StudentSectionAbsenceSummary>();
foreach (var sectionAttendanceSummary in sectionsAttendanceSummary)
{
dailySectionAttendances.AddRange(sectionAttendanceSummary.Days);
studentAtts.AddRange(sectionAttendanceSummary.Students);
}
res.ClassesDaysStat = ClassDailyAttendanceSummary.Create(dailySectionAttendances, classes);
studentAtts = studentAtts.Where(x => classesIds.Contains(x.SectionId)).ToList();
res.Students = StudentAttendanceSummary.Create(studentAtts, students, classes);
return(res);
}