public ActionResult <string> GetStudentsFromStudyBuddySearch([FromQuery] StudyBuddySearchDTO searchParams)
{
string id = GetUserIdFromToken();
IEnumerable <StudentListItemDTO> student = _studentService.GetStudentFromStudyBuddySearch(searchParams, id);
return(Ok(student));
}
public IEnumerable<StudentListItemDTO> GetStudentFromStudyBuddySearch(StudyBuddySearchDTO searchParams, string loggedInUserId)
{
if (searchParams == null)
throw new ParameterException("Search parameters cannot be null");
if (searchParams.GoodInDiscipline < 0 || searchParams.GoodInDiscipline > Enum.GetValues(typeof(SubjectType)).Length)
throw new ParameterException("Discipline value is invalid");
if (searchParams.ComletedWithGrade < 0 || searchParams.ComletedWithGrade > 5)
throw new ParameterException("Grade value is invalid");
if (searchParams.SubjectID != "null" && !Guid.TryParse(searchParams.SubjectID, out Guid guid))
throw new ParameterException("Subject ID is invalid");
if (searchParams.IsAlreadyCompleted && searchParams.IsCurrentlyEnrolledTo)
throw new ParameterException("Search parameters are invalid, already completed and currently enrolled to cant have true value at the same time.");
List<Student> results = new List<Student>();
if (!(searchParams.SubjectID == null && searchParams.GoodInDiscipline == 0))
{
if (searchParams.SubjectID != null)
{
if (!searchParams.IsAlreadyCompleted && !searchParams.IsCurrentlyEnrolledTo && !searchParams.IsCommonCourse)
results = _studentRepository.GetStudentsEnrolledToSubject(searchParams.SubjectID).ToList();
string currentSemester = SemesterManager.GetCurrentSemester();
if (searchParams.IsCommonCourse)
{
results = _studentRepository.GetStudentsEnrolledToSubjectAndHavingCurrentlyCommonCourse(loggedInUserId, searchParams.SubjectID, currentSemester).ToList();
}
if (searchParams.IsCurrentlyEnrolledTo)
{
if (results.Count != 0)
{
results = GetStudentsEnrolledToSubjectCurrently(searchParams.IsAttendingToAnotherTeacher, loggedInUserId, currentSemester, searchParams.SubjectID, results);
}
else if (searchParams.IsAttendingToAnotherTeacher)
results = _studentRepository.GetStudentsCurrentlyEnrolledToSubjectWithStudentButHavingAnotherCurseTeacher(loggedInUserId, searchParams.SubjectID, currentSemester).ToList();
else
results = _studentRepository.GetStudentsEnrolledToSubjectInSemester(searchParams.SubjectID, currentSemester).ToList();
}
if (searchParams.IsAlreadyCompleted)
{
if (results.Count != 0)
{
results = GetStudentsAlreadyCompletedSubjectFromStudentList(searchParams.ComletedWithGrade, searchParams.SubjectID, results);
}
else if (searchParams.ComletedWithGrade != 0)
results = _studentRepository.GetStudentsCompletedSubjectWithGrade(searchParams.SubjectID, searchParams.ComletedWithGrade).ToList();
else
results = _studentRepository.GetStudentsCompletedSubject(searchParams.SubjectID).ToList();
}
}
if (searchParams.GoodInDiscipline != 0)
{
double betterThanAvg = 3.5;
if (results.Count() != 0)
results = GetStudentsGoodInDisciplineFromStudentList(results, searchParams.GoodInDiscipline, betterThanAvg);
else
results = _studentRepository.GetStudentsGoodInDiscipline(searchParams.GoodInDiscipline, betterThanAvg).ToList();
}
}
return results.Select(x => MapStudent.MapStudentDBModelToStudentListItemDTO(x));
}
