class User
  include DataMapper::Resource

  # Attributes
        property :id,               Serial
        property :login,            String
        property :email,            String
        property :description,      Text
        property :image,            String
        property :created_at,       DateTime
        property :updated_at,       DateTime

        # Associations
        has n, :categories, :through => Resource

        # Validations
        validates_present   :login, :password, :password_confirmation
        validates_is_unique :login

end