public IActionResult Edit(int id)
        {
            var groupDrug = _groupDrugService.GetById(id);
            var model     = _mapper.Map <GroupDrugViewModelEdit>(groupDrug);

            return(View(model));
        }
        public ViewResult Index()
        {
            var drugs = _drugService.GetAll();
            var model = _mapper.Map <IEnumerable <DrugViewModel> >(drugs);

            foreach (var i in model)
            {
                if (i.ProducerId != null)
                {
                    i.ProducerName = _producerService.GetById((int)i.ProducerId).Name;
                }
                if (i.GroupDrugId != null)
                {
                    i.GroupDrugName = _groupDrugService.GetById((int)i.GroupDrugId).Name;
                }
            }

            return
                (View(model));
        }