mongoid-canhaz 
A mongoid port of the permissions gem for active record : rails-canhaz
This gem is a simple mongoid extention that allows any application using mongoid to manage permissions based roles.
Installation
Standard gem installation :
gem install mongoid-canhaz
Or in your Gemfile if you use bundler
gem 'mongoid-canhaz'How to use it ?
The mongoid-canhaz gem defines two static functions for mongoid documents which allow them to act as a subject or an object.
In order to use these functions, you need to include Canhaz::Mongoid::Document inside your class.
A subject has roles on objects.
Here is an example
class User
include Mongoid::Document
include Canhaz::Mongoid::Document
acts_as_canhaz_subject
end
class Article
include Mongoid::Document
include Canhaz::Mongoid::Document
acts_as_canhaz_object
endNow our models are marked as canhaz subjects and objects, we have access to some handy functions :
user = User.first
article = Article.first
user.can?(:read, article) # Can the user read this article? false for now
user.can!(:read, article) # Ok, so the user can read this article
user.can!(:edit, article) # He can edit it as well
user.can?(:read, article) # Will be true
user.objects_with_permission(Article, :read) # Will return all the articles w/ read permissions for this user
article.subjects_with_permission(User, :read) # Will return all the users hat are able to read this article
#You can also remove permissions
user.cannot!(:read, article)
# global permissions :
user.can?(:haz_cheezburgers) # false
user.can!(:haz_cheezburgers)
user.can?(:haz_cheezburgers) # trueChangelog
- 1.0.0 : First release