if a comment is downvoted, show the comment's user a summary of its d…

…ownvote reasons

app/models/comment.rb

@@ -79,6 +79,16 @@ def assign_votes

    self.story.update_comment_count!
  end

  def downvote_summary
    reasons = {}
    Vote.where(:comment_id => self.id).each do |v|
      reasons[v.reason] ||= 0
      reasons[v.reason] += 1
    end

    reasons.map{|r,v| "#{Vote::COMMENT_REASONS[r]} (#{v})" }.join(", ")
  end
  
  def is_gone?
    is_deleted?

app/views/comments/_comment.html.erb

@@ -29,10 +29,14 @@ class="comment <%= comment.current_vote ? (comment.current_vote[:vote] == 1 ?
        <%= time_ago_in_words(comment.has_been_edited?? comment.updated_at :
          comment.created_at).gsub(/^about /, "") %> ago

        <span class="reason"><%= comment.current_vote &&
          comment.current_vote[:vote] == -1 ?
          "(#{Vote::COMMENT_REASONS[comment.current_vote[:reason]].downcase})" :
          "" %></span>
        <span class="reason">
          <% if comment.downvotes > 0 && comment.user_id == @user.try(:id) %>
            (<%= comment.downvote_summary.downcase %>)
          <% elsif comment.current_vote && comment.current_vote[:vote] == -1 %>
            (<%= Vote::COMMENT_REASONS[comment.current_vote[:reason]].downcase
              %>)
          <% end %>
        </span>
      <% end %>

      <% if !comment.previewing %>