Minimum viable implementation of dynamic finders for Mongoid.
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lib/sociable/mongoid
MIT-LICENSE
README
init.rb

README

Mongoid::DynamicFinders
=======================

Copyright (c) 2010 James Harton, Sociable Ltd.
http://sociable.co.nz/
Released under the MIT license.

This is a nasty hack that allows you to fake out dynamic finders even though Mongoid doesn't support them.

This library currently provides:

  Mongoid::FindBy         - include this if you just need find_by_(attr)
  Mongoid::DynamicFinders - includes FindBy and any other modules added over time.

This module meets my projects minimum requirements.  You may need more (like find_by_name_and_underpants_size).  Fork & tickle me.

- @jamesotron

Example
=======

class Person # app/models/person.rb
  include Mongoid::Document
  include Mongoid::FindBy

  field :first_name, :type => String
  field :last_name, :type => String
end

Person.find_by_first_name('James')
=> #<Mongoid::Criteria:0x1788b28 @selector={:first_name=>"James"}, @options={}, @klass=Person, @documents=[]>
Person.find_by_first_name('James')
=> #<Person _id: 4c96bae53716b716b3000001, first_name: "James", last_name: "Harton", preference_ids: []>
Person.find_by_first_name_and_last_name('James', 'Joyce')
=> #<Person _id: 4c96bb273716b716be000003, first_name: "James", last_name: "Joyce", preference_ids: []>