def get_reviews_for_movie(movie_rank, repo: AbstractRepository):
movie = repo.get_movie(movie_rank)
if movie is None:
raise NonExistentMovieException
reviews = repo.get_reviews()
review_list = []
for review in reviews:
if review.movie == movie:
review_list.append(review)
return reviews_to_dict(review_list)
def add_review(movie_rank: int, review_text: str, rating: int, username: str, repo: AbstractRepository):
# Check that the movie exists.
movie = repo.get_movie(movie_rank)
if movie is None:
raise NonExistentMovieException
user = repo.get_user(username)
if user is None:
raise UnknownUserException
# Create review.
review = Review(movie, review_text, rating)
# Update the repository.
repo.add_review(review)
def get_movie(movie_rank: int, repo: AbstractRepository):
movie = repo.get_movie(movie_rank)
if movie is None:
raise NonExistentMovieException
return movie_to_dict(movie)