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module ActiveResource
module Observing
extend ActiveSupport::Concern
include ActiveModel::Observing
included do
%w( create save update destroy ).each do |method|
class_eval(<<-EOS, __FILE__, __LINE__ + 1)
def #{method}_with_notifications(*args, &block)
notify_observers(:before_#{method})
if result = #{method}_without_notifications(*args, &block)
notify_observers(:after_#{method})
end
result
end
EOS
alias_method_chain(method, :notifications)
end
end
end
end
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