users/app/models/email.rb


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class Email
  include CouchRest::Model::Embeddable

  property :email, String

  validates :email,
    :format => { :with => /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/, :message => "needs to be a valid email address"}

  def initialize(attributes = nil, &block)
    attributes = {:email => attributes} if attributes.is_a? String
    super(attributes, &block)
  end

  def to_s
    email
  end

  def ==(other)
    other.is_a?(String) ? self.email == other : super
  end

  def to_param
    email
  end
end