gistfile1.rb

require 'rubygems'
require 'base64'
require 'json'
require 'active_support'

# Adapted from the Python code here: http://mixpanel.com/api/docs/code/
class MixPanel

  # A simple function for asynchronously logging to the mixpanel.com API.
  # This function requires `curl`.
  #
  # event: The overall event/category you would like to log this data under
  # properties: A hash of key-value pairs that describe the event. Must include 
  # the Mixpanel API token as 'token'
  #
  # See http://mixpanel.com/api/ for further detail.
  def self.track(event, properties={})
      if !properties.has_key?("token")
        raise "Token is required"
      end

    params = {"event" => event, "properties" => properties}
    data = ActiveSupport::Base64.encode64s(JSON.generate(params))
    request = "http://api.mixpanel.com/track/?data=#{data}"

    `curl -s '#{request}' &`
  end

  def self.track_funnel(funnel, step, goal, properties={})
    properties["funnel"] = funnel
    properties["step"] = step
    properties["goal"] = goal
    track("mp_funnel", properties)
  end