class Gateway < ActiveRecord::Base TECHNOLOGIES = ['sip'] attr_accessible :name, :technology, :inbound, :outbound, :description has_many :gateway_settings, :dependent => :destroy has_many :gateway_parameters, :dependent => :destroy validates :name, :presence => true, :uniqueness => true validates :technology, :presence => true, :inclusion => { :in => TECHNOLOGIES } after_initialize :set_defaults before_validation :downcase_technology def to_s name end private def downcase_technology self.technology = self.technology.downcase if !self.technology.blank? end def set_defaults if TECHNOLOGIES.count == 1 self.technology = TECHNOLOGIES.first end end end