Having an issue using mongoid_auto_inc with Mongoid 3.0.0.rc

[sawilde]

I get undefined method 'database' for Mongoid::Module

I ended up monkey patching the code such that the if ::Mongoid::VERSION < '3' statements are no longer required i.e. I know I only want to execute the other branches

module MongoidAutoInc

  class Incrementor
    class Sequence
      def collection
        Mongoid.default_session[@collection]
      end

      def update_number_with(mongo_func)
        opts = {
            "query"  => query,
            "update" => mongo_func,
            "new"    => true # return the modified document
        }
        collection.database.command({findandmodify: collection.name}.merge(opts))['value']['number']
      end
    end
  end
end

NOTE: ::Mongoid::VERSION is returning 3.0.0.rc (alas I can't upgrade to latest Mongoid as the latest Moped requires Ruby 1.9.3 and I stuck on 1.9.2 for now)

[rdetert]

I was still having trouble so I had to use a forked gem. Place this in your Gemfile

gem 'mongoid_auto_increment', :git => 'git://github.com/teriyakisan/mongoid_auto_increment.git'