Rails - Mar 2010 - keeping track of who did what

hello everybody.
i need to log "who did what" on some models. i was reading recipe 59
of rails recipes and i created something like that:

class LogSweeper < ActionController::Caching::Sweeper
  observe :model1, :model2, :model3, :model4, :model5, ...

  after_save(model)
    save_log(model, "save")
  end

  after_destroy(model)
     save_log(model, "destroy)
  end

  private
  save_log(model, event, user_id = controller.session[:account_id])
    #create the log entry, i want to save the id of the model, the id
of the logged user and something to describe the action.
    #controller isn''t defined here so i can''t access the
user_id.
  end
end

in environment.rb i added:
  config.active_record.observers = :log_sweeper


the sweeper is called when something happen to the observed models,
but i can''t access the controller (and so, the user_id) from there.
any help?

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Why not use one of the versioning/auditing gems (http://ruby-
toolbox.com/categories/activerecord_versioning.html) instead?


On Mar 28, 5:30 am, eugenio
<eugenio.mode...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> hello everybody.
> i need to log "who did what" on some models. i was reading recipe
59
> of rails recipes and i created something like that:
>
> class LogSweeper < ActionController::Caching::Sweeper
>   observe :model1, :model2, :model3, :model4, :model5, ...
>
>   after_save(model)
>     save_log(model, "save")
>   end
>
>   after_destroy(model)
>      save_log(model, "destroy)
>   end
>
>   private
>   save_log(model, event, user_id = controller.session[:account_id])
>     #create the log entry, i want to save the id of the model, the id
> of the logged user and something to describe the action.
>     #controller isn''t defined here so i can''t access the
user_id.
>   end
> end
>
> in environment.rb i added:
>   config.active_record.observers = :log_sweeper
>
> the sweeper is called when something happen to the observed models,
> but i can''t access the controller (and so, the user_id) from
there.
> any help?
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