public async Task <ActionResult <IEnumerable <LecturerWithCourseResource> > > GetAllLecturersWithCourses()
{
var lecturers = await _lecturerService.GetAllLecturersWithCourses().ToListAsync();
var lecturersResource = _mapper.Map <IEnumerable <Lecturer>, IEnumerable <LecturerWithCourseResource> > (lecturers);
return(Ok(lecturersResource));
}
