person.rb

class Person < ActiveRecord::Base
  before_save :before_save_foo, :before_save_bar
  before_create :before_create_claat
  before_validation :before_validation_bar
  after_save :after_save_clean_skip_callbacks
  attr_accessor :skip_callbacks

  def before_save_foo
    unless skip_callbacks
      # do something
    end
  end

  def before_save_bar
    unless skip_callbacks
      # do something
    end
  end

  def before_create_claat
    unless skip_callbacks
      # do something
    end
  end

  def before_validation_foo
    unless skip_callbacks
      # do something
    end
  end

  def after_save_clean_skip_callbacks
    skip_callbacks = false
  end
end