public IHttpActionResult AddBeerOnTap(AddPlaceBeerDto dto)
        {
            var placeBeer = service.GetPlaceBeer(dto.BeerId, dto.PlaceId);

            if (placeBeer != null)
            {
                return(Conflict());
            }
            placeBeer = service.AddPlaceBeer(dto, User.Identity.GetUserId <int>());
            string location = Request.RequestUri.ToString();

            return(Created(location, Mapper.Map <PlaceBeerDto>(placeBeer)));
        }