class UserActionObserver

def self.current_user 

def self.current_user
  Thread.current[:current_user]
end

def self.current_user=(user) 

def self.current_user=(user)
  Thread.current[:current_user] = user
end

def before_create(model) 

def before_create(model)
  # model.created_by = self.current_user
end

def before_update(model) 

def before_update(model)
  # model.updated_by = self.current_user
end

def current_user 

def current_user
  self.class.current_user
end

def current_user=(user) 

def current_user=(user)
  self.class.current_user = user
end