translate.rb

require 'yandex-translator'
class Translate
  attr_accessor :words_for_translate
  attr_reader :translated_word
  def initialize(words)
    set_api_key
    @words_for_translate = words
  end
  
  def translate(options = nil)
    raise ArgumentError unless options
    
    p @words_for_translate
    
    @translated_word = if @words_for_translate.size > 1
      translated = @words_for_translate.map {|word|  yandex_translate(word, options) }
      translated.join(' ')
    else
      yandex_translate(@words_for_translate, options)
    end
    
    @translated_word
  end
  
  private
  def set_api_key
    Yandex::Translator.set_api_key('trnsl.1.1.20130901T135648Z.f9baa157528bd5a8.9f830c39c1e02e3cf0cf97d79932ddb245fb0684')
  end
  
  def yandex_translate(word, options = {})
    Yandex::Translator.translate(word, options.values.first.to_s, options.keys.first.to_s)
  end
end

tr = Translate.new(ARGV)
puts tr.translate(:en => :ru)