rolify

gistfile1.rb

# User model
class Usuario < ActiveRecord::Base
  rolify :role_cname => 'Rol'

  # Include default devise modules. Others available are:
  # :token_authenticatable, :encryptable, :confirmable, :lockable, :timeoutable and :omniauthable
  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :trackable, :validatable
end

# Role model
class Rol < ActiveRecord::Base
  has_and_belongs_to_many :usuarios, join_table: :usuarios_roles
  belongs_to :resource, :polymorphic => true

  scopify
end

# Some resource
class Texto < ActiveRecord::Base
  resourcify role_cname: 'Rol'
end