Sihui

netflix_movies = [
  {
    title: 'Train to Busan',
    year: '2016',
    director: 'Yeon Sang-ho',
    genre: 'Drama film/Disaster Film',
    length: '1h 58m'
  },
  {
    title: 'The Big Short',

Sihui

class OneClickCheckout
  attr_reader :checkout_process, :default_address, :default_payment
  
  def initialize(order, default_address, default_payment)
    @checkout_process = CheckoutProcess.new(order)
    @default_address = default_address
    @default_payment = default_payment
  end
  
  def click

Sihui

class Order
  attr_accessor :shipping_address, :payment_method, :items
  
  def initialize(items)
    @shipping_address = nil
    @payment_method = nil
    @items = items
  end

  def confirm

Sihui

class CheckoutProcess
  attr_reader :order
  
  def initialize(order)
    @order = order
  end
  
  def set_shipping_address(address)
    order.shipping_address = address
  end

Sihui

class C2AAdapter
  attr_reader :type_c_outlet
  
  def initialize(type_c_outlet)
    @type_c_outlet = type_c_outlet
  end
  
  def type_a_elec
    "converting #{type_c_outlet.type_c_elec}"
    # some electric circuit conversion

Sihui

class TypeCOutlet
  def type_c_elec
    '2.5A electricity'
  end
  
  def type_c_voltage
    '220-240 voltages'
  end
end

Sihui

class TypeAPlug
  attr_accessor :electricity, :voltage
  
  def initialize
    @electricity = nil
    @voltage = nil
  end
  
  def plug_into(outlet)
    self.electricity = outlet.type_a_elec

Sihui

class ServicePanel
  attr_reader :button_a1, :button_a2, :button_b1, :button_b2
  
  def initialize(a1_service, a2_service, 
    b1_service, b2_service)
    @button_a1 = Button.new(a1_service)
    @button_a2 = Button.new(a2_service)
    @button_b1 = Button.new(b1_service)
    @button_b2 = Button.new(b2_service)
  end

Sihui

class SpaReservationService
  attr_reader :data, :spa_center
  
  def initialize(data)
    @data = data
    @spa_center = SpaCenter.new
  end
  
  def execute
    spa_center.reserve(data)

Sihui

class Concierge
  attr_reader :request_list
  
  def initialize
    @request_list = []
  end
  
  def act_on_requests
    @request_list.each do |request|
      request.execute