gistfile1.rb

require 'merb_helpers'

base = File.dirname(__FILE__)

module ActivityLogging
  module Model

  def self.included(base)
    base.send(:include, InstanceMethods)
  end

    module InstanceMethods
            
      def after_create
        if has_assoc?
          Activity.create(:target => self, :person => self.person, :action_taken => "created", :assoc => self.assoc)
        else
          Activity.create(:target => self, :person => self.person, :action_taken => "created")
        end
      end
      
      def after_update
        if has_assoc?
          Activity.create(:target => self, :person => self.person, :action_taken => "updated", :assoc => self.assoc)
        else
          Activity.create(:target => self, :person => self.person, :action_taken => "updated")
        end
      end

      def after_delete
        if has_assoc?
          Activity.create(:person => self.person, :action_taken => "destroyed #{self.class.to_s}", :assoc => self.assoc)
        else
          Activity.create(:person => self.person, :action_taken => "destroyed #{self.class.to_s}")
        end
      end
      
      def has_assoc?
        (self.class.to_s == "Post" && self.discussion.discussible.class.to_s == "Assoc") || (self.class.to_s == "Membership" && self.group_type == "Assoc")
      end
      
    end
  end
end