updated tests, switched to rails 3.0.0rc2

app/models/comment.rb

@@ -5,8 +5,8 @@ class Comment < ActiveRecord::Base
   belongs_to :creator, :class_name => "User"
   has_many :votes, :class_name => "CommentVote", :dependent => :destroy
   after_save :update_last_commented_at
-  after_destroy :update_last_commented_at
   attr_accessible :body
+  attr_accessor :do_not_bump_post
   
   scope :recent, :order => "comments.id desc", :limit => 6
   scope :search_body, lambda {|query| where("body_index @@ plainto_tsquery(?)", query).order("comments.id DESC")}
@@ -21,10 +21,30 @@ class Comment < ActiveRecord::Base
   end
 
   def update_last_commented_at
-    if Comment.where(["post_id = ?", post_id]).count <= Danbooru.config.comment_threshold
+    if Comment.where(["post_id = ?", post_id]).count <= Danbooru.config.comment_threshold && !do_not_bump_post
       execute_sql("UPDATE posts SET last_commented_at = ? WHERE id = ?", created_at, post_id)
     end
   end
+  
+  def vote!(is_positive)
+    if !CurrentUser.user.can_comment_vote?
+      raise CommentVote::Error.new("You can only vote ten times an hour on comments")
+      
+    elsif !is_positive && creator.is_janitor_or_higher?
+      raise CommentVote::Error.new("You cannot downvote janitor/moderator/admin comments")
+      
+    elsif votes.find_by_user_id(CurrentUser.user.id).nil?
+      if is_positive
+        update_attribute(:score, score + 1)
+      else
+        update_attribute(:score, score - 1)
+      end
+      votes.create(:user_id => CurrentUser.user.id)
+      
+    else
+      raise CommentVote::Error.new("You have already voted for this comment")
+    end
+  end
 end
 
 Comment.connection.extend(PostgresExtensions)