Stathat API using Faraday

stathat.rb

require 'faraday'

module StatHat
  module API
    extend self
    CLASSIC_VALUE_URL = "http://api.stathat.com/v".freeze
    CLASSIC_COUNT_URL = "http://api.stathat.com/c".freeze
    EZ_URL = "http://api.stathat.com/ez".freeze

    def post_value(stat_key, user_key, value)
      args = {
        :key => stat_key,
        :ukey => user_key,
        :value => value
      }
      send_to_stathat(CLASSIC_VALUE_URL, args)
    end

    def post_count(stat_key, user_key, count)
      args = {
        :key => stat_key,
        :ukey => user_key,
        :value => count
      }
      send_to_stathat(CLASSIC_COUNT_URL, args)
    end

    def ez_post_value(stat_name, ezkey, value)
      args = {
        :stat => stat_name,
        :ezkey => ezkey,
        :value => value
      }
      send_to_stathat(EZ_URL, args)
    end

    def ez_post_count(stat_name, ezkey, count)
      args = {
        :stat => stat_name,
        :ezkey => ezkey,
        :count => count
      }
      send_to_stathat(EZ_URL, args)
    end

    def send_to_stathat(url, args)
      conn = Faraday.new(url)
      resp = conn.get(url, args)
      Response.new(resp.body)
    end
  end

  class Response
    def initialize(body)
      @body = body
    end

    def valid?
      return status == 200
    end

    def status
      parsed['status']
    end

    def msg
      parsed['msg']
    end

    private
    def parsed
      @parsed ||= JSON.parse(@body)
    end
  end
end