app/models/chouette/company.rb
class Chouette::Company < Chouette::TridentActiveRecord
include CompanyRestrictions
has_many :lines
validates_format_of :registration_number, :with => %r{\A[0-9A-Za-z_-]+\Z}, :allow_nil => true, :allow_blank => true
validates_presence_of :name
validates_format_of :url, :with => %r{\Ahttps?:\/\/([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?\Z}, :allow_nil => true, :allow_blank => true
def self.nullable_attributes
[:organizational_unit, :operating_department_name, :code, :phone, :fax, :email, :url, :time_zone]
end
end