creates_point.rb

class CreatesPoint

  POINTS = {  'new_user' => 1,
              'trial_to_paid' => 2,
              'attended_event' => 1
  }

  def initialize(user_id,point)
    @user_id = user_id
    @point = POINTS[point]
  end

  def run!
    create_point
  end


  private

  def create_point
    user = User.find_by(referral_code: @user_id)
    user.points += @point
    user.save
  end
end

gistfile1.txt

  def create_user
    @user = User.new(user_params)
    if @user.save
      create_user_account
      CreatesPoint.new(@user.referrer, 'new_user').run!
      true
    else
      false
    end
  end