public async Task <List <CourseEnlistedDTO> > GetCoursesAssignedToUserAsync(int userId)
{
int rateCounter = 0;
int rateSum = 0;
List <Course> courses = new List <Course>();
List <Course> filteredCourses = new List <Course>();
var user = await _repository.GetCoursesAssignedToUserAsync(userId);
var results = await _resultRepository.GetExamResultsAsync(userId);
foreach (var assignment in user.GroupAssignment)
{
foreach (var courseAssignment in assignment.Group.CourseAssignment)
{
courses.Add(courseAssignment.Course);
}
}
foreach (var course in courses.ToList())
{
if (!filteredCourses.Contains(course))
{
filteredCourses.Add(course);
}
}
var mappedCourses = _mapper.Map <List <CourseEnlistedDTO> >(filteredCourses);
foreach (var item in mappedCourses)
{
var result = await _courseRepository.GetRateListByIdAsync(item.Id);
rateCounter = 0;
rateSum = 0;
foreach (var rate in result)
{
rateSum += rate.Points;
rateCounter++;
}
if (rateCounter > 0 && rateSum > 0)
{
int rateAverage = rateSum / rateCounter;
item.Rate = rateAverage;
}
}
return(mappedCourses);
}
public async Task <MarksStatistics> GetUserMarkStatisticsAsync(int userId)
{
int negative = 0;
int positive = 0;
MarksStatistics marks = new MarksStatistics();
var userMarks = await _resultRepository.GetExamResultsAsync(userId);
foreach (var mark in userMarks)
{
if (mark.Mark == "Bardzo dobry" || mark.Mark == "Dobry" || mark.Mark == "Dostateczny")
{
positive++;
}
else
{
negative++;
}
}
marks.positiveMarksNumber = positive;
marks.negativeMarksNumber = negative;
return(marks);
}
public async Task <List <ExamListDTO> > GetAvailableExamsAsync(int courseId, int userId)
{
var exams = await _repository.GetCourseExamsAsync(courseId);
var results = await _examResultRepository.GetExamResultsAsync(userId);
foreach (var item in exams.ToList())
{
foreach (var result in results)
{
if (item.Id == result.ExamId)
{
exams.Remove(item);
break;
}
}
}
return(_mapper.Map <List <ExamListDTO> >(exams));
}
public async Task <List <ExamResultAddDTO> > GetExamResultsAsync(int userId)
{
var results = await _repository.GetExamResultsAsync(userId);
return(_mapper.Map <List <ExamResultAddDTO> >(results));
}
