AwsOnchange

A simple gem to start watch a specific field in a model. When this field is update, an action is call

Add this line to your application's Gemfile:

gem 'aws_onchange'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install aws_onchange

aws_onchange :checked_field => [:field1, :field3], :method => :update_action, :oncreate => true

Add this line on the model and replace field1, field_3 with the field checked_field: array of checked field method: name of the called method in case of change oncreate: If set to true the previous method is also call on creation

class MyModels < ActiveRecord::Base
  aws_onchange :checked_field => [:field1, :field3], :method => :update_action, :oncreate => true

  def update_action
    #action to do
  end
end

v 2.0 - Janvier 2021 ... time fly Update for rails 6

v 1.0 - November 2010 Add-on to use check easily change on some model, and running action

see wiki for more detailled information : http://wiki.github.com/supernini/aws_onchange/

You want to contribute ? I need to finish the test

The gem is available as open source under the terms of the MIT License.