public Result <MovieCatalogDto> GetCatalog(string customerId)
{
var customer = _customersGetter.Get(customerId);
if (customer.HasNoValue)
{
return(Result.Fail <MovieCatalogDto>(Errors.CustomerNotFound));
}
var movies = _moviesGetter.GetAll();
var movieCatalog = new MovieCatalog(movies, new MoviePriceCalculatorFactory());
var movieOffers = movieCatalog.GetMovies(customer.Value);
return(Result.Ok(MovieCatalogDtoMapper.MapToDto(movieOffers)));
}
public void BuyMovie(BuyMovieDto buyMovieRequest, IEnumerable <IHandleMoviePurchased> moviePurchasedHandlers)
{
var customer = _customerGetter.Get(buyMovieRequest.CustomerId).ToResult(Errors.CustomerNotFound);
var movie = _movieGetter.Get(buyMovieRequest.MovieId).ToResult(Errors.MovieNotFound);
Result.Combine(customer, movie)
.OnSuccess(() =>
{
var moviePriceCalculator = _moviePriceCalculatorFactory.GetPriceCalculatorFor(customer.Value);
var offer = MovieOffer.Create(movie.Value, moviePriceCalculator);
var buyMethod = GetBuyMethod(buyMovieRequest.MovieLicenseType, customer.Value);
buyMethod(offer);
HandleMoviePurchased(moviePurchasedHandlers, Result.Ok <MovieOffer>(offer));
})
.OnFailure(message => HandleMoviePurchased(moviePurchasedHandlers, Result.Fail <MovieOffer>(message)));
}