public async Task <ReportData> GetReportByStudent(StudentDto student, CourseDto course)
{
var reportHeader = new ReportHeader {
Course = course.Name, Student = student.FullName, Lecture = null
};
IList <JournalRecordDto> journalRecords = await _journalService.GetRecords(0, student.Id, course.Id);
IList <LectureDto> lectures = await _lectureService.GetAllByCourse(course.Id);
ReportRecord[] reportRecords = journalRecords.Select(dto => new ReportRecord
{
Lecture = lectures.First(lectureDto => lectureDto.Id == dto.LectureId).Name,
Attendance = dto.Attendance,
Score = dto.Score,
Student = null
}).ToArray();
double?attendancePercentage = reportRecords.IsEmpty()
? null
: reportRecords.Average(record => Convert.ToInt32(record.Attendance)) * 100;
double?averageScore = reportRecords.IsEmpty()
? null
: reportRecords.Average(record => record.Score);
var report = new ReportData
{
Header = reportHeader,
Records = reportRecords,
AttendancePercentage = attendancePercentage,
AverageScore = averageScore
};
return(report);
}
public async Task <ActionResult <IList <LectureModel> > > GetAll(int courseId = default)
{
if (courseId < 0)
{
ModelState.AddModelError(nameof(courseId), "");
return(BadRequest(ModelState));
}
try
{
IList <LectureDto> dtos = courseId == default
? await _lectureService.GetAll()
: await _lectureService.GetAllByCourse(courseId);
var models = _mapper.Map <LectureModel[]>(dtos);
return(models);
}
catch (IncorrectIdException e)
{
_logger.LogWarning(e, "It seems, validation does not cover some errors.");
return(BadRequest(e.Message));
}
}