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path: root/users/app/models/identity.rb
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class Identity < CouchRest::Model::Base

  use_database :identities

  belongs_to :user

  property :address, LocalEmail
  property :destination, Email
  property :keys, Hash

  validate :unique_forward
  validate :alias_available

  design do
    view :by_user_id
    view :by_address_and_destination
    view :by_address
    view :pgp_key_by_email,
      map: <<-EOJS
      function(doc) {
        if (doc.type != 'Identity') {
          return;
        }
        emit(doc.address, doc.keys["pgp"]);
      }
    EOJS

  end

  protected

  def unique_forward
    same = Identity.find_by_address_and_destination([address, destination])
    if same && same != self
      errors.add :base, "This alias already exists"
    end
  end

  def alias_available
    same = Identity.find_by_address(address)
    if same && same.user != self.user
      errors.add :base, "This email has already been taken"
    end
  end

end