Design Pattern: Iterator and Movie Collections

get_all_movies.rb

def get_all_movies
  movies = []

  while netflix_movie_iterator.has_next?
    movies << netflix_movie_iterator.next
  end
  
  while amazon_movie_iterator.has_next?
    movies << amazon_movie_iterator.next
  end

  while hulu_movie_iterator.has_next?
    movies << hulu_movie_iterator.next
  end

  while youtube_movie_iterator.has_next?
    movies << youtube_movie_iterator.next
  end

  while hbo_movie_iterator.has_next?
    movies << hbo_movie_iterator.next
  end

  movies
end