public IHttpActionResult AddSubjectMarksforStudents([FromBody] SubjectMarkDto dto)
{
var result = _subjectMarkService.Add(dto);
if (result == false)
{
return(BadRequest());
}
return(Ok());
}
public bool Add(SubjectMarkDto dto)
{
if (dto == null)
{
return(false);
}
if (dto.Marks == null)
{
return(false);
}
if (CheckEndMarkFromDto(dto) == false)
{
return(false);
}
try
{
var subjectMarks = new List <SubjectMark>();
foreach (MarkDto mark in dto.Marks)
{
if (mark.TypeMarkId == 4)
{
if (CheckEndMarkFromDb(mark.StudentId, dto.SubjectId) == true)
{
return(false);
}
}
var subjectMark = new SubjectMark()
{
SubjectId = dto.SubjectId,
SemesterId = dto.SemesterId,
StudentId = mark.StudentId,
TypeMarkId = mark.TypeMarkId,
Mark = mark.Mark
};
subjectMarks.Add(subjectMark);
}
db.SubjectMarks.AddRange(subjectMarks);
db.SaveChanges();
}
catch
{
return(false);
}
return(true);
}
private bool CheckEndMarkFromDto(SubjectMarkDto dto)
{
var EndMarks = dto.Marks.Where(x => x.TypeMarkId == 4);
var dupes = EndMarks.GroupBy(x => new { x.TypeMarkId, x.StudentId })
.Where(x => x.Skip(1).Any()).ToArray();
if (dupes.Length == 0)
{
return(true);
}
return(false);
}