public void Linking(DrugCourseLinkingBindingModel model)
        {
            var drugCourse = _drugCourseStorage.GetElement(new DrugCourseBindingModel
            {
                Id = model.DrugCourseId
            });

            var medicine = _medicineStorage.GetElement(new MedicineBindingModel
            {
                Id = model.MedicineId
            });

            if (drugCourse == null)
            {
                throw new Exception("Не найдена выдача");
            }

            if (medicine == null)
            {
                throw new Exception("Не найдено выписка");
            }

            if (drugCourse.MedicineId.HasValue)
            {
                throw new Exception("Данное лекарство уже привязано к симптоматике");
            }

            _drugCourseStorage.Update(new DrugCourseBindingModel
            {
                Id                 = drugCourse.Id,
                Length             = drugCourse.Length,
                FormedDate         = drugCourse.FormedDate,
                DrugCourseDiseases = drugCourse.DrugCourseDiseases,
                DoctorId           = drugCourse.DoctorId,
                MedicineId         = model.MedicineId
            });

            _medicineStorage.Update(new MedicineBindingModel
            {
                Id           = medicine.Id,
                Class        = medicine.Class,
                Name         = medicine.Name,
                DrugCourseId = model.DrugCourseId
            });
        }
        public void CreateOrUpdate(MedicineBindingModel model)
        {
            var element = _medicineStorage.GetElement(new MedicineBindingModel {
                Name = model.Name
            });

            if (element != null && element.Id != model.Id)
            {
                throw new Exception("Уже есть лекарство с таким названием");
            }
            if (model.Id.HasValue)
            {
                _medicineStorage.Update(model);
            }
            else
            {
                _medicineStorage.Insert(model);
            }
        }