gistfile1.builder

# In my controller
  monitor :only => [:create,:destroy],
          :alias => {:create => :voted},
          :target => :voteable

# Calls this method in my ActivityLogger module
def monitor(options = {})
        if !options.has_key?(:only) && !options.has_key?(:except)
          options[:only] = [:show,:create,:update,:destroy]
        end

        noun = self.name.sub(/(s)Controller$/,"")

        Activity.targets[noun] = options[:target] if options[:target]

        Activity.add_action_aliases(noun,options[:alias])

        after_filter(options.slice(:only,:except)) do |c|
          c.log_action(options.except(:only,:except))
        end
end

# And in my Activity class
def self.action_aliases
    @@action_aliases ||= {}
  end

  def self.targets
    @@targets ||= {}
  end

  def self.add_action_aliases(noun,aliases)
    base_aliases = default_aliases.clone
    (aliases || []).each do |key,value|
      base_aliases.delete(key)
      base_aliases[key] = value
    end
    base_aliases.each do |key,value|
      action_aliases.delete(noun.to_s + "/" + key.to_s)
      action_aliases[noun.to_s + "/" + key.to_s] = value
    end
  end

  private

  def self.default_aliases
    {
      :create => :created,
      :show => :viewed,
      :destroy => :deleted,
      :update => :updated
    }
  end