form_student_with_profile_form.rb

class Forms::StudentWithProfileForm
  extend ActiveModel::Naming
  include ActiveModel::Conversion
  include ActiveModel::Validations
 
  def persisted?
    false
  end
 
  ATTRIBUTES = [:first_name, :last_name, :email, :grade, :locale, :country]
 
  attr_accessor *ATTRIBUTES
 
  def initialize(attributes = {})
    ATTRIBUTES.each do |attribute|
      send("#{attribute}=", attributes[attribute])
    end
  end
 
  validates :first_name, :last_name, :email, :grade, :locale, :country, presence: true
 
  def student
    @student ||= Student.new(first_name: first_name, last_name: last_name, email: email)
  end
 
  def student_profile
    @student_profile ||= StudentProfile.new(grade: grade, locale: locale, country: country)
  end
 
  def save
    return false unless valid?
    if valid_objects?
      Service::CreateStudentWithProfile.new(user, student_profile).run
      Service::NotifyUserCreation.new(user).run
    else
      false
    end
  end
 
  private
 
  def valid_objects?
    user.valid? && student_profile.valid?
  end
 
end