def find_forum(category_name, forum_name, options = {})
      category = self.find_category(category_name, options)
      if category
        self.forums.detect {|f| f['category_id'] == category['id'] && f['name'] == forum_name }
      end
    end
def find_forum(category_name, forum_name, options = {})
      category = self.find_category(category_name, options)
      if category
        self.forums.detect {|f| f['category_id'] == category['id'] && f['name'] == forum_name }
      end
    end
Find forum by name, knowing the category name