Model without persist

class Contact
  include ActiveModel::Validations
  include ActiveModel::Conversion
  extend ActiveModel::Naming

  attr_accessor :name, :email, :message

  validates_presence_of :name
  #validates :name, presence: true
  validates :email, presence: true, format: {with: /\b[A-Z0-9._%a-z\-]+@(?:[A-Z0-9a-z\-]+\.)+[A-Za-z]{2,4}\z/}
  validates :message, presence: true, length: {minimum: 10}

  def initialize(attributes = {})
    attributes.each do |name, value|
      send("#{name}=", value)
    end
  end

  def persisted?
    false
  end

end