Sam Button Takeaway Challenge

docs/SMS.rb

@@ -0,0 +1,38 @@
+require 'twilio-ruby'
+
+class SMS
+
+ ETA = (Time.now + 3600).strftime("%H:%M")
+
+ attr_reader :sent, :phone_number
+
+ def initialize
+ @sent = false
+ end
+
+ def sms
+
+ @client = Twilio::REST::Client.new ENV['account Sid'], ENV['Auth token']
+ message = @client.messages.create(
+ body: "Thank you! Your order has been logged and will be with before #{ETA}",
+ to: "+my number",
+ from: ENV['+magic number'])
+
+ puts message.sid
+ end
+
+ def send_sms(phone_number)
+ @phone_number = phone_number
+ sms
+ @sent = true
+ sms_confirmation
+ end
+
+ def sent?
+ @sent
+ end
+
+ def sms_confirmation
+ "Confirmation message has been sent"
+ end
+end

docs/menu.rb

@@ -0,0 +1,19 @@
+require './docs/order'
+
+class Menu
+
+ attr_reader :menu
+
+ def initialize
+ @menu = { 
+ "Guinness" => 6.00,
+ "Espresso Martini" => 12.50,
+ "Ruddles" => 1.99,
+ "Huel" => 3.00 }
+ end
+
+ def show_menu
+ @menu
+ end
+
+end

docs/order.rb

@@ -0,0 +1,35 @@
+require './docs/menu' 
+require './docs/SMS'
+require 'rubygems'
+
+class Order
+
+ attr_reader :current_order
+
+ def initialize
+ @current_order = []
+ @new_menu = Menu.new
+ @order_price = 0
+ end
+
+ def add_to_basket(dish, quantity)
+ raise "Item not on the menu" unless @new_menu.menu.has_key?(dish)
+ quantity.times { @current_order << dish }
+ end
+
+ def calculate_price
+ price = 0
+
+ @current_order.each do |dish| 
+ if @new_menu.menu.has_key?(dish)
+ price += @new_menu.menu.fetch(dish)
+ end
+ end
+ @order_price + price
+ end
+
+ def complete_order(phone_number)
+ SMS.new.send_sms(phone_number)
+ end
+
+end

spec/SMS_spec.rb

@@ -0,0 +1,28 @@
+require './docs/SMS'
+
+describe SMS do
+
+ subject(:sms) { described_class.new }
+
+ before do
+ allow(sms).to receive(:sms)
+ end
+
+ it 'sends a payment confirmation text message' do
+ sms.send_sms(ENV['my number'])
+ end
+
+ it 'confirms a message has been sent' do
+ expect(subject.sms_confirmation).to eq('Confirmation message has been sent')
+ end
+
+ it 'changes sent? to true after a message is sent' do
+ expect { subject.send_sms(ENV['my number']) }.to change(subject, :sent?).to true
+ end
+
+ describe '#send_sms' do
+ it "takes a phone number as an argument" do
+ expect(subject).to respond_to(:send_sms).with(1).argument
+ end
+ end
+end

spec/menu_spec.rb

@@ -0,0 +1,13 @@
+require './docs/menu'
+
+describe Menu do
+ it 'responds to Menu class' do
+ expect(subject).to be_an_instance_of Menu
+ end
+
+ describe '#see menu' do
+ it 'returns the menu' do
+ expect(subject.show_menu).to eq({ "Espresso Martini" => 12.5, "Guinness" => 6.0, "Huel" => 3.0, "Ruddles" => 1.99 })
+ end
+ end
+end

spec/order_spec.rb

@@ -0,0 +1,51 @@
+require './docs/order'
+
+describe Order do
+ let(:menu) { Menu.create }
+ let(:order) { Order.create }
+
+ it 'is an instance of Order class' do
+ expect(subject).to be_an_instance_of Order
+ end
+
+ it 'responds to add_to_basket' do
+ expect(subject).to respond_to :add_to_basket
+ end
+
+ describe '#add_to_order' do
+ context 'item is on the menu' do
+ it 'can add dishes to current order' do
+ subject.add_to_basket("Guinness", 1)
+ expect(subject.current_order).to eq(["Guinness"])
+ end
+
+ it 'can add multiple dishes at once' do
+ subject.add_to_basket("Guinness", 4)
+ expect(subject.current_order).to eq(["Guinness", "Guinness", "Guinness", "Guinness"])
+ end
+ end
+
+ context 'item is not on the menu' do
+ it 'returns "Item not on the menu"' do
+ expect { subject.add_to_basket("Chips", 1) }.to raise_error ("Item not on the menu")
+ end
+ end
+ end
+
+ describe '#calculate_price' do
+ it 'adds up the current order price' do
+ menu = Menu.new
+ subject.add_to_basket("Guinness", 2)
+ subject.add_to_basket("Huel", 1)
+ expect(subject.calculate_price).to eq(15)
+ end
+ end
+
+ describe '#complete_order' do
+ it 'completes the order' do
+ text = SMS.new
+ text.send_sms("my number")
+ expect(text).to respond_to(:complete_order)
+ end
+ end
+end