app/serializers/person_serializer.rb
class PersonSerializer < BaseSerializer
attributes :email, :gravatar_url, :initials, :name, :nickname, :agent
def nickname
Nicknamer.new(object).nickname
end
def gravatar_url
id = Digest::MD5::hexdigest(object.email).downcase
"https://secure.gravatar.com/avatar/#{id}.png?s=60&d=mm"
end
def agent
object.user_id.present?
end
end