fix comment bumping

app/models/comment.rb

@@ -84,13 +84,19 @@ class Comment < ActiveRecord::Base
   end
 
   def update_last_commented_at
-    if Comment.where("post_id = ?", post_id).empty?
-      execute_sql("UPDATE posts SET last_commented_at = null WHERE id = ?", post_id)
-    elsif 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)
+    puts Comment.where("post_id = ?", post_id).count
+    puts !do_not_bump_post?
+    if Comment.where("post_id = ?", post_id).count == 0
+      Post.update_all("last_commented_at = NULL", ["id = ?", post_id])
+    elsif Comment.where("post_id = ?", post_id).count <= Danbooru.config.comment_threshold && !do_not_bump_post?
+      Post.update_all(["last_commented_at = ?", created_at], ["id = ?", post_id])
     end
   end
   
+  def do_not_bump_post?
+    do_not_bump_post == "1"
+  end
+  
   def vote!(score)
     numerical_score = score == "up" ? 1 : -1
     vote = votes.create(:score => numerical_score)