public ActionResult <GroupDetailDto> PostGroup(GroupDetailDto groupDto)
        {
            _groupService.addGroup(groupDto);


            return(Ok("added"));
        }
        public void updateGroup(GroupDetailDto groupDto)
        {
            var group = _mapper.Map <Group>(groupDto);

            _groupRep.Update(group);
            _groupRep.Save();
        }
        public IActionResult PutGroup(int id, GroupDetailDto groupDto)
        {
            groupDto.GroupId = id;
            _groupService.updateGroup(groupDto);

            return(Ok("changed"));
        }
        public void addGroup(GroupDetailDto groupDto)
        {
            var group = _mapper.Map <Group>(groupDto);

            _groupRep.Create(group);
            _groupRep.Save();
        }