public async Task <IActionResult> DeleteMarksForGivenSubject(int id, int studentId, int markId)
{
return(await ExecuteOperationOnMarks(id, studentId, async (marks, subject) =>
{
if (markId > 0)
{
var mark = marks.First(m => m.Id == markId);
if (mark == null)
{
return HttpNotFound("Student doesn't have mark of given id");
}
subject.Marks.Remove(mark);
await _subjectsRepository.UpdateMarksForSubject(subject.Id, subject.Marks).ConfigureAwait(false);
return Ok();
}
foreach (var studentMark in marks)
{
subject.Marks.Remove(studentMark);
}
return Ok();
}).ConfigureAwait(false));
}
