UseEngine

The UseEngine plugin explicitly loads the engines models or controllers. This provides the ability to overwrite or extend the engines code with code of the parent application. Mix in engine defined classes in your (parent) app classes for overwriting with custom behaviour. This plugin fixes the lack of the code mixing feature the rails engines plugin had but was not implemented in the rails core.

See http://rails-engines.org/news/2009/02/02/engines-in-rails-2-3/ for more information.

Usage

Install as a plugin:

script/plugin install git://github.com/ninjaconcept/use_engine.git

Examples

class FrontendUser < User
  use_engine :nc_backend_basics
end

class FrontendUser < User
  use_engine :nc_backend_basics, :version => '0.4.0', :path => 'models'
end

Options:

:version - load a specific version, not the latest (default)
:path - add load path for your engine

Compatibility

This is an initial release that was only tested on Rails 2.3.5!

To Do

• change engine load paths to search in vendor/gems then in vendor/plugins and finally in the system's gems
• add some unit tests

Feedback

Feel free to fork and improve! Feedback is welcome at any time!

Contributors

• Marco Sehrer (Author)
• Stefan Botzenhart

Copyright © 2010 ninjaconcept, released under the MIT license