A number of minor fixes and enhancements.

* Clear the whole cache since purging individual responses doesn't seem to work.
* Only redirect after POST when comment is approved. Otherwise, render a transient
  response with the comment selected.
* Use our nice named scopes in the tags.

app/controllers/admin/comments_controller.rb

@@ -114,8 +114,7 @@ def announce_comment_removed
   def clear_single_page_cache(comment)
     if comment && comment.page
       unless defined?(ResponseCache)
-        Radiant::Cache::EntityStore.new.purge(comment.page.url)
-        Radiant::Cache::MetaStore.new.purge(comment.page.url)
+        Radiant::Cache.clear
       else
         ResponseCache.instance.clear
       end

lib/comment_page_extensions.rb

@@ -21,17 +21,19 @@ def process_with_comments(request, response)
         comment = self.comments.build(request.parameters[:comment])
         comment.request = self.request = request
         comment.save!
-
-        # Purge the cache
-        Radiant::Cache.clear
+
         if Radiant::Config['comments.notification'] == "true"
           if comment.approved? || Radiant::Config['comments.notify_unapproved'] == "true"
             CommentMailer.deliver_comment_notification(comment)
           end
         end
-        absolute_url = "#{request.protocol}#{request.host_with_port}#{relative_url_for(url, request)}#comment-#{comment.id}"
-        response.redirect(absolute_url, 303)
-        return
+        if comment.approved?
+          absolute_url = "#{request.protocol}#{request.host_with_port}#{relative_url_for(url, request)}#comment-#{comment.id}"
+          response.redirect(absolute_url, 303)
+          return
+        else
+          self.selected_comment = comment
+        end
       rescue ActiveRecord::RecordInvalid
         self.last_comment = comment
       end

lib/comment_tags.rb

@@ -291,7 +291,7 @@ module CommentTags
     }
   tag "recent_comments:each" do |tag|
     limit = tag.attr['limit'] || 10
-    comments = Comment.find(:all, :conditions => "comments.approved_at IS NOT NULL", :order => "created_at DESC", :limit => limit)
+    comments = Comment.approved.recent.all(:limit => limit)
     result = []
     comments.each_with_index do |comment, index|
       tag.locals.comment = comment