Strong Parameters in Service Object

create_user.rb

class CreateUser

  def initialize(params)
    @params = user_params(params)
    @user = User.new(@params)
  end

  def perform
    ActiveRecord::Base.transaction do
      # do stuff
      @user.save!
    end
  end

  def user_params(params)
    params = ActionController::Parameters.new(params)
    params.permit(:first_name, :last_name, :email, :password, :company, :phone)
  end

end