search_and_book.rb

# frozen_string_literal: true

require "duffel_api"
require "bigdecimal"

client = DuffelAPI::Client.new(
  access_token: ENV.fetch("DUFFEL_ACCESS_TOKEN"),
)

# 365 days from now
departure_date = (Time.now + (60 * 60 * 24 * 365)).strftime("%Y-%m-%d")

birth_date = Date.parse("1993-04-01")
current_date = Date.today
age = current_date.year - birth_date.year
age += 1 if current_date.yday > birth_date.yday

offer_request = client.offer_requests.create(params: {
  cabin_class: "economy",
  passengers: [{
    age: age,
  }],
  slices: [{
    # We use a non-sensical route to make sure we get speedy, reliable Duffel Airways
    # resullts.
    origin: "LHR",
    destination: "STN",
    departure_date: departure_date,
  }],
  # This attribute is sent as a query parameter rather than in the body like the others.
  # Worry not! The library handles this complexity for you.
  return_offers: false,
})

puts "Created offer request: #{offer_request.id}"

offers = client.offers.all(params: { offer_request_id: offer_request.id })

puts "Got #{offers.count} offers"

selected_offer = offers.first

puts "Selected offer #{selected_offer.id} to book"

priced_offer = client.offers.get(selected_offer.id,
                                 params: { return_available_services: true })

puts "The final price for offer #{priced_offer.id} is #{priced_offer.total_amount} " \
     "#{priced_offer.total_currency}"

available_service = priced_offer.available_services.first

puts "Adding an extra bag with service #{available_service['id']}, " \
     "costing #{available_service['total_amount']} #{available_service['total_currency']}"

total_amount = (
  BigDecimal(priced_offer.total_amount) + BigDecimal(available_service["total_amount"])
).to_s("F")

order = client.orders.create(params: {
  selected_offers: [priced_offer.id],
  services: [{
    id: available_service["id"],
    quantity: 1,
  }],
  payments: [
    {
      type: "balance",
      amount: total_amount,
      currency: priced_offer.total_currency,
    },
  ],
  passengers: [
    {
      id: priced_offer.passengers.first["id"],
      title: "mr",
      gender: "m",
      given_name: "Tim",
      family_name: "Rogers",
      born_on: birth_date.to_s,
      phone_number: "+441290211999",
      email: "tim@duffel.com",
    },
  ],
})

puts "Created order #{order.id} with booking reference #{order.booking_reference}"

order_cancellation = client.order_cancellations.create(params: {
  order_id: order.id,
})

puts "Requested refund quote for order #{order.id} - " \
     "#{order_cancellation.refund_amount} #{order_cancellation.refund_currency} is " \
     "available"

client.order_cancellations.confirm(order_cancellation.id)

puts "Confirmed refund quote for order #{order.id}"