DelegateIdTo

This gem provide two methods for access to id of has_one association.

Installation

Add this line to your application's Gemfile:

gem 'delegate_id_to'

And then execute:

$ bundle

Or install it yourself as:

$ gem install delegate_id_to

Usage

Without delegate_id_to

class Foo < ActiveRecord::Base
   has_one :bar
   has_one :user

   delegate :id, to: :bar, allow_nil: true
   delegate :id, to: :user, allow_nil: true
end

foo = Foo.last
foo.bar     #=> nil
foo.bar_id  #=> id deprecated for nil
foo.user_id #=> 42

With delegate_id_to

class Foo < ActiveRecord::Base
   has_one :bar
   has_one :user

   delegate_id_to :bar, :user
end

foo = Foo.last
foo.bar     #=> nil
foo.bar_id  #=> nil
foo.user_id #=> 42

With delegate_id_to_singular_associations

class Foo < ActiveRecord::Base
   has_one :bar
   has_one :user

   delegate_id_to_singular_associations
end

foo = Foo.last
foo.bar     #=> nil
foo.bar_id  #=> nil
foo.user_id #=> 42

Contributing

1. Fork it ( http://github.com/shipiev/delegate_id_to/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request