Contents

# Unpolymorph

Foreign key based replacement for polymorphic associations.

## Installation

Add this line to your application's Gemfile:

    gem 'unpolymorph'

And then execute:

    $ bundle

Or install it yourself as:

    $ gem install unpolymorph

## Usage

class Comment < ActiveRecord::Base
	
	unpolymorph :commentable, %w{ user article post }

end

c = Comment.new
c.commentable = User.first
c.commentable # User...
Comment.possible_commentable?( Post.first ) # true
Comment.possible_commentable?( Group.first ) # false

# in migration
Comment.update_sql_commentable_check( migration ) # creates SQL check constraint ensuring exactly one of commentable foreign keys is set

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
unpolymorph-0.2.2	README.md
unpolymorph-0.2.1	README.md
unpolymorph-0.2.0	README.md
unpolymorph-0.1.2	README.md
unpolymorph-0.1.1	README.md
unpolymorph-0.1.0	README.md