app/models/admin.rb
class Profile < ActiveRecord::Base
serialize :modules
validates_uniqueness_of :label
ADMIN = 'admin'
def modules
read_attribute(:modules) || []
end
def modules=(perms)
perms = perms.collect {|p| p.to_sym unless p.blank? }.compact if perms
write_attribute(:modules, perms)
end
def project_modules
modules.collect { |mod|
AccessControl.project_module(label, mod) }.uniq.compact
end
end