public void The_first_MovieRatedByAudience_event_should_set_the_rating()
{
var movieId = Guid.NewGuid();
var ratedByCritics = new MovieRatedByAudience(movieId, 60);
var repo = new DummyMovieProjectionRepository();
repo.List[movieId] = new MovieProjection {
Id = movieId
};
var handler = new MovieProjectionHandlers(repo);
handler.Handle(ratedByCritics);
repo.List.Count.Should().Be(1);
repo.List.Values.ShouldBeEquivalentTo(new[]
{
new MovieProjection
{
Id = movieId,
AudienceScore = 60
}
});
}
public void Handle(MovieRatedByAudience movieRated)
{
UpdateMovie(movieRated.MovieId,
m =>
{
if (m.AudienceScore.HasValue)
{
m.AudienceScore = (int)Math.Round(0.9 * m.AudienceScore.Value + 0.1 * movieRated.Rating, 0);
}
else
{
m.AudienceScore = movieRated.Rating;
}
});
}
