public Task <HttpResponseMessage> Post([FromBody] dynamic body)
        {
            var command = new CreateDayOfMonthCommand(
                day: (int)body.day
                );

            var dayofmonth = _service.Create(command);

            return(CreateResponse(HttpStatusCode.Created, dayofmonth));
        }
        public DayOfMonth Create(CreateDayOfMonthCommand command)
        {
            var day = new DayOfMonth(command.Day);

            day.Create();
            _repository.Create(day);

            if (Commit())
            {
                return(day);
            }

            return(null);
        }