app/models/whitelist.rb
class Whitelist < ActiveRecord::Base
attr_accessible :privilege, :username, :provider
# def self.providers
# %w{github developer}
# end
# def self.privilege_levels
# %w{Admin Instructor Student}
# end
# def self.is_enabled
# !!Setting.whitelist
# end
# def self.is_enabled=(value)
# Setting.whitelist = !!value
# end
end