Grocer in action

gistfile1.rb

DeviceNotifier = Struct.new(:message, :count) do
  def call
    notifications.each do |notif|
      pusher.push(notif)
    end
  end

  private

  def pusher
    @pusher ||= Grocer.pusher(
        certificate: "config/app-sam-dev.pem", # required
        passphrase:  "XXX",                # optional
        gateway:     "gateway.sandbox.push.apple.com",
        retries:     3                         # optional
    )
  end

  def notifications
    Device.all.map do |device|
      Grocer::Notification.new(
        device_token:      device.token.gsub(/[<,>,\s]/, ""),
        alert:             message,
        badge:             count || 1
      )
    end
  end
end