public async Task <IActionResult> NamirnicaUpsert(int id = 0)
        {
            var kategorijeResponse = await _restoranApi.GetKategorijaAsync();

            var model = new NamirnicaUpsert();

            if (id != 0)
            {
                var response = await _restoranApi.GetNamirnicaByIdAsync(id);

                if (response.IsSuccessStatusCode)
                {
                    model = _mapper.Map <NamirnicaUpsert>(response.Content);
                }
            }
            return(View(model));
        }