Introduction to Metaprogramming: Lesson 1

customer.rb

class Customer
  attr_reader :id, :datasource

  def initialize(id, datasource)
    @id = id
    @datasource = datasource
  end

  def first
    value = datasource.get_first_value(id)
    "First: #{value}"
  end

  def last
    value = datasource.get_last_value(id)
    "Last: #{value}"
  end

  def email
    value = datasource.get_email_value(id)
    "Email: #{value}"
  end

  def age
    value = datasource.get_age_value(id)
    "Age: #{value}"
  end

end