require 'open-uri' class User < ActiveRecord::Base has_many :topics has_many :synapses has_many :maps has_many :mappings before_create :generate_code devise :database_authenticatable, :recoverable, :rememberable, :trackable, :registerable serialize :settings, UserPreference validates_uniqueness_of :name # done by devise validates_uniqueness_of :email # done by devise if Object.const_defined?('User') codes = User.all.map(&:code) else codes = [] end validates :joinedwithcode, :presence => true, :inclusion => { :in => codes, :message => "%{value} is not a valid code" }, :on => :create def generate_code #generate a random 8 letter/digit code that they can use to invite people self.code = rand(36**8).to_s(36) end def settings # make sure we always return a UserPreference instance if read_attribute(:settings).nil? write_attribute :settings, UserPreference.new read_attribute :settings else read_attribute :settings end end def settings=(val) write_attribute :settings, val end end