Milamix Application

application.rb

# Milamix app - Translate phrases into multiple languages at once
# http://milamix.heroku.com
# Copyright (c) 2011 Avishai Weiss (avishai dot weiss at gmail dot com)

require "rubygems"
require "sinatra"
require "open-uri"
require "json"

API_KEY = "GOOGLE API KEY GOES HERE"
BASE_URL = "https://www.googleapis.com/language/translate/v2?key=#{API_KEY}"

def translate(text, source = 'en', target = 'es')
  url = BASE_URL + "&q=#{text}&source=#{source}&target=#{target}"
  results = JSON::parse open(URI.parse(URI.encode(url.strip))).read
  results['data']['translations'][0]['translatedText']
end

get '/' do
  erb :index
end

post '/translate.json' do
  content_type "application/json"
  text    = params[:q]
  source  = params[:source] || 'en'
  targets = params[:targets] || ['es', 'pt']
  @translations = {}
  
  targets.each do |target|
    @translations[target] = translate(text, source, target)
  end
  
  @translations.to_json
end