search.rb

module HotelsApi
  class Search
    include NanoApi::Model

    HOTELSCOMBINED_MAP = {
      :search => :destination,
      :file_name => :fileName,
      :checkin => :depart_date,
      :checkout => :return_date,
      :rooms => :rooms,
      :persons => :adults,
      :label => :label
    }

    attribute :destination_name
    attribute :file_name
    attribute(:depart_date) {Date.current}
    attribute(:return_date) {Date.current + 6.days}
    attribute :rooms, in: (1..6), default: 1
    attribute :adults, in: (1..9), default: 1
    attribute :children, in: (0..5), default: 1
    attribute :infants, in: (0..5), default: 1
    attribute :label

    URL = 'http://nano.aviasales.ru/hotel_clicks?%s'

    def link
      URL % hotelscombined_params.to_query
    end

  private

    def hotelscombined_params
      HOTELSCOMBINED_MAP.each_with_object({}) do |(name, value), result|
        result[value] = send(name) if send(name).present?
      end
    end
  end
end