public DisciplineResultQueryList Handle(DisciplineInputGetNotConcluded command)
{
var allDisciplines = _DREP.GetByCourse(command.CourseId);
var concludedDisciplines = _DREP.GetConcluded(command.StudentId);
return(new DisciplineResultQueryList {
Disciplines = allDisciplines.Where(x => !concludedDisciplines.Any(y => y.Id == x.Id))
});
}