Module: GoogleTranslate

Defined in:
lib/google_translate.rb

Constant Summary collapse

HOST = 
'www.googleapis.com'
SERVICE = 
'/language/translate/v2'
QUERY_LIMIT = 
5000
LOCALES_MAP = 
{
  :cn => :'zh-CN'
}

Class Method Summary collapse

Class Method Details

.get_api ⇒ Object 



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# File 'lib/google_translate.rb', line 12

def self.get_api
  config_file = "#{Rails.root}/config/goobalize.yml"
  #config_file = File.expand_path('../google_translate.yml', __FILE__)
  if File.exists?(config_file)
    @@goole_translate_api = YAML.load_file(config_file)['google_api']
    raise GoobalizeTranslateError.new("No API key found in '#{config_file}'") if @@goole_translate_api.blank?
    return @@goole_translate_api
  else
    raise GoobalizeTranslateError.new("No config file found '#{config_file}'")
  end
  return nil
end

.map(locale) ⇒ Object 



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# File 'lib/google_translate.rb', line 25

def self.map(locale)
  mapped = LOCALES_MAP[locale]
  mapped.nil? ? locale : mapped
end

.perform(params) ⇒ Object 



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# File 'lib/google_translate.rb', line 30

def self.perform(params)
  @@goole_translate_api ||= get_api
  params[:q] = CGI::escape(params[:q].to_s[0..QUERY_LIMIT])
  params[:source] = map params[:source]
  params[:target] = map params[:target]
  params.merge!(:key => @@goole_translate_api, :format => 'html')
  data = []
  params.each_pair { |k,v| data << "#{k}=#{v}" }
  query_string = data.join('&')
  http = Net::HTTP.new(HOST, 443)
  http.use_ssl = true
  http.verify_mode = OpenSSL::SSL::VERIFY_NONE
  response, data = http.post(SERVICE, query_string, 'X-HTTP-Method-Override' => 'GET')
  if response.code == 200
    json = JSON.parse(data)
    if json['data'] && json['data']['translations'] && json['data']['translations'].first['translatedText']
      return CGI::unescapeHTML(json['data']['translations'].first['translatedText'])
    else
      raise GoobalizeTranslateError.new(error(json))
    end
  else
    json = JSON.parse(response.body)
    raise GoobalizeTranslateError.new(error(json))
  end
end