public async Task <string> Manufacturer()
        {
            var manufactBLLList = await _serv.GetAllAsync();

            var manufactViewList = ManufacturerView.MapToView(manufactBLLList, _mapper);

            return(JsonConvert.SerializeObject(manufactViewList, Formatting.Indented));
        }
        public async Task <string> GetById(int id)
        {
            var manufacturerBLLById = await _serv.GetByIdAsync(id);

            if (manufacturerBLLById == null)
            {
                return(NotFound().ToString());
            }
            var manufacturerViewById = ManufacturerView.MapToView(manufacturerBLLById, _mapper);

            return(JsonConvert.SerializeObject(manufacturerViewById, Formatting.Indented));;
        }