module Rapnd class Notification attr_accessor :badge, :alert, :sound, :content_available, :custom_properties, :device_token def initialize(hash) [:badge, :alert, :sound, :device_token, :content_available, :custom_properties].each do |k| self.instance_variable_set("@#{k}".to_sym, hash[k]) if hash[k] end raise "Must provide device token: #{hash}" if self.device_token.nil? self.device_token = self.device_token.delete(' ') end def payload p = Hash.new [:badge, :alert, :sound, :content_available].each do |k| p[k.to_s.gsub('_','-').to_sym] = send(k) if send(k) end aps = {:aps => p} aps.merge!(custom_properties) if custom_properties aps end def json_payload j = ActiveSupport::JSON.encode(payload) raise "The payload #{j} is larger than allowed: #{j.length}" if j.size > 256 j end def to_bytes j = json_payload [0, 0, 32, self.device_token, 0, j.bytesize, j].pack("cccH*cca*").force_encoding('ASCII-8BIT') end end end