flagging work, we should be clearing from the mod menu if a topic or post is deleted

app/models/post.rb

@@ -26,6 +26,8 @@ class Post < ActiveRecord::Base
   rate_limit 
 
   acts_as_paranoid
+  after_recover :update_flagged_posts_count
+  after_destroy :update_flagged_posts_count 
 
   belongs_to :user
   belongs_to :topic, counter_cache: :posts_count
@@ -163,6 +165,10 @@ class Post < ActiveRecord::Base
     where("(post_number = 1) or (score >= ?)", SiteSetting.best_of_score_threshold) 
   end
 
+  def update_flagged_posts_count
+    PostAction.update_flagged_posts_count
+  end
+
   def filter_quotes(parent_post=nil)
     return cooked if parent_post.blank?
 

app/models/post_action.rb

@@ -13,7 +13,10 @@ class PostAction < ActiveRecord::Base
   rate_limit :post_action_rate_limiter
 
   def self.update_flagged_posts_count
-    val = exec_sql('select count(*) from posts where deleted_at is null and id in (select post_id from post_actions where post_action_type_id in (?) and deleted_at is null)', PostActionType.FlagTypes).values[0][0].to_i
+    val = exec_sql('select count(*) from posts p
+                    join topics t on t.id = p.topic_id 
+                    where p.deleted_at is null and t.deleted_at is null and p.id in 
+                      (select post_id from post_actions where post_action_type_id in (?) and deleted_at is null)', PostActionType.FlagTypes).values[0][0].to_i
     $redis.set('posts_flagged_count', val)
     
     admins = User.exec_sql("select id from users where admin = 't'").map{|r| r["id"].to_i}

app/models/topic.rb

@@ -11,7 +11,9 @@ class Topic < ActiveRecord::Base
 
   versioned :if => :new_version_required?
   acts_as_paranoid
-  
+  after_recover :update_flagged_posts_count
+  after_destroy :update_flagged_posts_count 
+
   rate_limit :default_rate_limiter
   rate_limit :limit_topics_per_day
   rate_limit :limit_private_messages_per_day
@@ -387,6 +389,10 @@ class Topic < ActiveRecord::Base
     topic
   end
 
+  def update_flagged_posts_count
+    PostAction.update_flagged_posts_count
+  end
+
 
   # Create the summary of the interesting posters in a topic. Cheats to avoid
   # many queries.