52 linhas
1,1 KiB
Ruby
52 linhas
1,1 KiB
Ruby
#---
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# Excerpted from "Agile Web Development with Rails",
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# published by The Pragmatic Bookshelf.
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# Copyrights apply to this code. It may not be used to create training material,
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# courses, books, articles, and the like. Contact us if you are in doubt.
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# We make no guarantees that this code is fit for any purpose.
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# Visit http://www.pragmaticprogrammer.com/titles/rails4 for more book information.
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#---
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$: << File.dirname(__FILE__)
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require "rubygems"
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require "active_record"
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require 'connect'
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ActiveRecord::Base.logger = Logger.new(STDERR)
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ActiveRecord::Schema.define do
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create_table :payments, :force => true do |t|
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end
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end
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class Order < ActiveRecord::Base
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end
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class Payment < ActiveRecord::Base
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end
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class Refund < ActiveRecord::Base
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end
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class OrderObserver < ActiveRecord::Observer
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def after_save(an_order)
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an_order.logger.info("Order #{an_order.id} created")
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end
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end
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OrderObserver.instance
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class AuditObserver < ActiveRecord::Observer
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observe Order, Payment, Refund
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def after_save(model)
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model.logger.info("[Audit] #{model.class.name} #{model.id} created")
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end
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end
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AuditObserver.instance
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o = Order.create
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p = Payment.create
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