module Votes # Return the number of -1 comments (downvotes) def downvotes notes.select(&:downvote?).size end def downvotes_in_percent if votes_count.zero? 0 else 100.0 - upvotes_in_percent end end # Return the number of +1 comments (upvotes) def upvotes notes.select(&:upvote?).size end def upvotes_in_percent if votes_count.zero? 0 else 100.0 / votes_count * upvotes end end # Return the total number of votes def votes_count upvotes + downvotes end end