mongomapper_id2¶ ↑

It’s a MongoMapper’s plugin to add auto incremented ids in MongoMapper’s documents.

This gem was based on this post ihswebdesign.com/blog/autoincrement-in-mongodb-with-ruby/

# https://rubygems.org/gems/mongomapper_id2
$ gem install mongomapper_id2

or

# Gemfile
gem 'mongomapper_id2'

# app/models/movie.rb
class Movie
  include MongoMapper::Document

  key :title, String 

  # Here is the mongomapper_id2
  auto_increment!
end

movie = Movie.create(:title => 'The Simpsons Movie')
movie.id # BSON::ObjectId('4d1d150d30f2246bc6000001')

# Here is the mongomapper_id2
movie.id2
# => 1

movie2 = Movie.create(:title => 'Pirates of Silicon Valley')

movie2.id2
# => 2

# app/models/movie.rb
class Movie
  include MongoMapper::Document

  key :title, String 

  auto_increment! :override => true
end

movie = Movie.create(:title => 'Pirates of Silicon Valley')
movie.id
# => 1

You’re welcome to make your contributions and send them as a pull request.

$ bundle install
$ bundle exec rake

$ bundle exec rake test

See LICENSE for details