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Money datatype for Mongoid. Inspired by Ruby Money. Makes handling money simple. Stores the value in the db as cents.
Branch: master

Merge pull request #6 from mikedanese/master

Added compatibility with Mongoid 3.0.0 and up,
latest commit 54a1a91781
@jeffbozek authored



Be aware! This gem currently requires mongoid to be included in your gemfile as such

gem "mongoid", :git => "git://"

due to a type casting bug introduced in Mongoid version 2.0.0. The fix has not been released to yet.


A simple gem that creates a Money datatype for Mongoid.


Include the gem in your Gemfile

gem 'mongoid_money'


Now you can do things in your Mongoid documents like

field :price, :type => Money, :default => 9.99.dollars


field :price, :type => Money, :default => 10.dollars


field :price, :type => Money, :default => 99.cents

All Money values are converted and stored in mongo as cents.

You can also query against your Money fields. Just do the following:

Item.where(:price => 5.dollars)


Item.where( => 10.dollars)

Contributing to mongoid_money

  • Check out the latest master to make sure the feature hasn't been implemented or the bug hasn't been fixed yet
  • Check out the issue tracker to make sure someone already hasn't requested it and/or contributed it
  • Fork the project
  • Start a feature/bugfix branch
  • Commit and push until you are happy with your contribution
  • Make sure to add tests for it. This is important so I don't break it in a future version unintentionally.
  • Please try not to mess with the Rakefile, version, or history. If you want to have your own version, or is otherwise necessary, that is fine, but please isolate to its own commit so I can cherry-pick around it.


Copyright (c) 2011 Jeff Bozek. See LICENSE.txt for further details.

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