public ActionResult GetClient(string id)
        {
            var client = _clientsRepository.GetClientByName(id);

            ViewData["Name"] = id;

            if (client != null)
            {
                ViewData["Age"] = client.Age;

                return(View("ClientFound"));
            }
            else
            {
                return(View("ClientNotFound"));
            }
        }
        public async Task <Client> GetClientByName(string name)
        {
            var client = await _clientsRepository.GetClientByName(name);

            return(MapToClientDtoOrNull(client));
        }