notifier_proxy.rb

notifier_proxy.rb

class Notifier

  def notify(user)
    if user.student?
      send_sms(user.number)
    elsif user.parent?
      send_email(user.email)
    end
  end
  
  def send_sms(number)
    # this method encapsulates the logic
    # that sends the sms using your 3rd party service
    # ex: Twilio.send_sms(number) #hypothetical code
  end
  
  def send_email(email_address)
    # this method encapsulates the logic
    # that sends the email using your 3rd party service
    # ex: SendGrid.send_email(email) #hypothetical code
  end

end

notifier = Notifier.new

parent = Parent.find_from_database('email_of_parent@gmail.com')
student = Student.find_from_database('919814911789')

notifier.notify(student)
notifier.notify(parent)