public IActionResult Get()
        {
            var query = new GetAllPizzaSizesQuery();

            query.Validate();

            if (query.Invalid)
            {
                return(BadRequest(query.Notifications));
            }

            return(Ok(pizzaSizeQueryHandler.Handle(query)));
        }
 public IEnumerable <PizzaSize> Handle(GetAllPizzaSizesQuery query)
 {
     return(pizzaSizeRepository.FindAll());
 }