Translate chars into Chinese pinyin or English. Lies on https://github.com/flyerhzm/chinese_pinyin

translate.rb

# coding: utf-8
class Translate
  YOUDAO_HOST = "http://fanyi.youdao.com"
  YOUDAO_QUERY_PATH = "openapi.do"
  YOUDAO_KEY_FROM = "Paikeyun"
  YOUDAO_KEY = "987423680"

  def initialize(chars, opts = {})
    @chars = chars
    @opts = opts
    @opts[:pick] ||= :first
  end

  def to_pinyin
    Pinyin.t(@chars, @opts)
  end

  def to_english(opts = nil)
    opts ||= @opts
    conn = Faraday.new(url: YOUDAO_HOST) { |f| f.adapter :net_http }
    params = { 
      keyfrom: YOUDAO_KEY_FROM, 
      key: YOUDAO_KEY, 
      type: 'data', 
      doctype: "json",
      version: '1.1',
      q: @chars
    }

    translations = begin
      resp = conn.get(YOUDAO_QUERY_PATH, params)
      results = JSON.parse(resp.body)
      results = results["web"].collect{ |h| h["value"] }.flatten.uniq
    rescue => e
      []
    end

    case opts[:pick]
    when :first, :last
      translations.send(opts[:pick])
    else
      translations
    end    
  end

  def self.pinyin(chars, opts = {})
    t = self.new(chars, opts)
    t.to_pinyin
  end

  def self.english(chars, opts = {})
    t = self.new(chars, opts)
    t.to_english
  end
end