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acts_as_audited is an ActiveRecord extension that logs all changes to your models in an audits table.

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README
= acts_as_audited

acts_as_audited is an ActiveRecord extension that logs all changes to your models in an audits table.

The purpose of this fork is to store both the previous values and the changed value, making each audit record selfcontained.

== Installation

* Install the plugin into your rails app
  If you are using Rails 2.1:

    script/plugin install git://github.com/collectiveidea/acts_as_audited.git

  For versions prior to 2.1:

    git clone git://github.com/collectiveidea/acts_as_audited.git vendor/plugins/acts_as_audited

* Generate the migration
    script/generate audited_migration add_audits_table
    rake db:migrate

== Usage

If you're using acts_as_audited within Rails, you can simply declare which models should be audited.  acts_as_audited can also automatically record the user that made the change if your controller has a <tt>current_user</tt> method.

  class ApplicationController < ActionController::Base
    audit User, List, Item => {:except => :password}
  protected
    def current_user
      @user ||= User.find(session[:user])
    end
  end

To get auditing outside of Rails you can explicitly declare <tt>acts_as_audited</tt> on your models:

    class User < ActiveRecord::Base
      acts_as_audited :except => [:password, :mistress]
    end

To record a user in the audits when the sweepers are not available, you can use <tt>as_user</tt>:

    Audit.as_user( user ) do
      # Perform changes on audited models
    end

See http://opensoul.org/2006/07/21/acts_as_audited for more information.

== Caveats

If your model declares +attr_accessible+ after +acts_as_audited+, you need to set +:protect+ to false. acts_as_audited uses +attr_protected+ internally to prevent malicious users from unassociating your audits, and Rails does not allow both +attr_protected+ and +attr_accessible+. It will default to false if +attr_accessible+ is called before +acts_as_audited+, but needs to be explicitly set if it is called after.

  class User < ActiveRecord::Base
    acts_as_audited :protect => false
    attr_accessible :name
  end

=== ActiveScaffold

Many users have also reported problems with acts_as_audited and ActiveScaffold, which appears to be caused by a limitation in ActiveScaffold not supporting polymorphic associations. To get it to work with ActiveScaffold:

  class ApplicationController < ActionController::Base
    audit MyModel, :only => [:create, :update, :destroy]
  end

== Compatability

acts_as_audited works with Rails 2.1 or later.

== Contributing

Contributions are always welcome. Checkout the latest code on GitHub:
  http://github.com/collectiveidea/acts_as_audited

Please include tests with your patches. There are a few gems required to run the tests:
  $ gem install multi_rails
  $ gem install thoughtbot-shoulda jnunemaker-matchy --source http://gems.github.com

Make sure the tests pass against all versions of Rails since 2.1:

  $ rake test:multi_rails:all

Please report bugs or feature suggestions on GitHub:
  http://github.com/collectiveidea/acts_as_audited/issues
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