public async Task <AttractionDto> Handle(CreateAttractionCommand request, CancellationToken cancellationToken)
{
var validator = new CreateAttractionCommandValidator(_categoryRepository, _cityRepository);
var validationResult = await validator.ValidateAsync(request);
if (validationResult.Errors.Count > 0)
{
throw new ValidationException(validationResult);
}
var attraction = _mapper.Map <Attraction>(request);
attraction = await _attractionRepository.AddAsync(attraction);
var attractionDto = _mapper.Map <AttractionDto>(attraction);
return(attractionDto);
}