Expansion

Expansion is intended to allow the dynamic addition of fields to a given model.

In your Gemfile, add the following dependency:

gem 'expansion'

Run:

$ bundle install

Run the generator:

$ rails g expansion:install

And then run:

$ rake db:migrate

To your expandable models, add the following function:

expandable

Your model will then have the following class function:

• expandable_attributes

And the following instance methods:

• expandable_attributes
• expandable_values