public void AddReview(Domain.Review review)
{
var model = new ReviewModel(review);
_context.Reviews.Add(model);
var movie = _context.Movies.FirstOrDefault(x => x.Id == review.Movie.Id);
// Throw error if no movie found
if (movie == null || movie.Reviews == null)
{
throw new ArgumentException("No movie found");
}
var amountOfReviews = movie.ReviewIds.Select(x => x).ToList().Count;
if (amountOfReviews == 0)
{
amountOfReviews = 1;
}
// Calculate new rating
var average = movie.Rating * (amountOfReviews - 1);
var newAverage = average + review.Rating.Value;
var newRating = newAverage / amountOfReviews;
movie.ReviewIds.Add(review.Id);
movie.Rating = newRating;
_context.SaveChanges();
}
public void GivenANewProductWhenTheProductHasAReviewThenTheReviewIsPersisted()
{
var review = new Review(Names.FullName(), Strings.GenerateAlphaNumericString(), Strings.GenerateAlphaNumericString(maxLength: 1000), Numbers.Int(1, 5));
_product.AddReview(review);
_productRepository.Save(_product);
var persitedProduct = _collection.Get(_product.Id);
Assert.That(persitedProduct.Reviews.First().Author, Is.EqualTo(review.Author));
}
public ReviewModel(Domain.Review review)
{
Id = review.Id;
Movie = review.Movie.Model == null
? null
: new MovieModel(review.Movie.Model);
Author = review.Author.Model == null
? null
: new UserModel(review.Author.Model);
Comments = review.Comments.Select(x => new CommentModel(x.Model)).ToList();
CommentIds = review.Comments.Select(x => x.Id).ToList();
Content = review.Content.Value;
Rating = review.Rating.Value;
CreatedAt = review.CreatedAt;
MovieId = review.Movie.Id;
AuthorId = review.Author.Id;
}
public void SetUp()
{
_title = Strings.GenerateAlphaNumericString();
_description = Strings.GenerateAlphaNumericString();
_cost = Numbers.Double();
_reviewTitle = Strings.GenerateAlphaNumericString();
_reviewContent = Strings.GenerateAlphaNumericString();
_reviewAuthor = Names.FullName();
_reviewScore = Numbers.Int(1, 5);
_review = new Review(_reviewAuthor, _reviewTitle, _reviewContent, _reviewScore);
_product = new Product(_title, _description, _cost);
}
public void AddReview(Review review)
{
_reviews.Add(review);
}
public void WriteReview(long movieId, Domain.Review review) => _reviewRepository.AddReview(review);