Device model using Device Atlas

device.rb

class Device
  include HTTParty

  attr_accessor :mobile_device, :touch, :device_model,
    :device_brand, :ua, :device_os, :bb_info, :properties, :mp4, :h264, :stream

  def initialize(ua)
    if ua.class == Hash
      ua.each do |k, v|
        send("#{k}=", v)
      end
    else
      info = self.properties = get_data(ua)
      self.ua = ua
      self.mobile_device = info.has_key?("mobileDevice") ? !info["mobileDevice"].to_i.zero? : nil
      self.touch = info.has_key?("touchScreen")
      self.device_model = info.has_key?("model") ? info["model"] : nil
      self.device_brand = info.has_key?("vendor") ? info["vendor"] : nil
      self.device_os = set_os(info)
      self.bb_info = set_bb_info
      set_video(info)

    end
  end

  def is_mobile?
    self.mobile_device
  end

  def is_touch?
    self.touch
  end

  def stream?
    self.stream
  end

  private
  def get_data(ua)
    begin
      Timeout.timeout 5 do
        response = JSON HTTParty.post('https://mobile-scope.appspot.com/',
          :body => {:ua => ua},
          :basic_auth => {:username=>ENV['MOBILESCOPE_USER'], :password=> ENV['MOBILESCOPE_PASS']} ).body

        response["response"]["data"]["properties"] rescue {}
      end
    rescue Timeout::Error
      return {}
    end

  end

  def set_video(info)
    self.mp4 = info.has_key?("mp4.aac.lc") ? !info["mp4.aac.lc"].to_i.zero? : false
    self.h264 = info.has_key?("3gp.h264.level10") ? !info["3gp.h264.level10"].to_i.zero? : false

    self.stream = info.has_key?("stream.3gp.aac.lc") ? info["stream.3gp.aac.lc"] : false
    self.stream = (!bb_info.nil? && bb_info[:version] > 4.3) || self.device_os == "webOS"
  end

  def set_os(info)
    if info["device_brand"] == "Apple"
      return "Apple"
    elsif info.has_key?("osProprietary") && info["osProprietary"] =~ /Symbian/
      return "Symbian OS"
    elsif info.has_key?("developerPlatform")
      return info["developerPlatform"]
    elsif info.has_key?("osProprietary")
      return info["osProprietary"]
    elsif info.has_key?("model") && info["model"] == "Pixi"
      return "webOS"
    elsif info.has_key?("osWindows")
      return "Windows"
    end
    nil
  end

  def set_bb_info
    attrs = {:model => nil, :version => nil, :vendor => nil}
    if matched = /[Bb]lack[Bb]erry(\d+)\/(\d+\.\d+)/.match(@ua)
      attrs[:model] = matched[1].to_i
      attrs[:version] = matched[2].to_f
    end
    if matched = /VendorID\/(\d+)/.match(@ua)
      attrs[:vendor] = matched[1]
    end
    return attrs[:model].nil? ? nil : attrs
  end


end