Simple Customer.io API client in Ruby using HTTParty.

customerio_client.rb

# Simple Customer.io API client in Ruby (1.9 syntax) using HTTParty.
# Uses https://github.com/jnunemaker/httparty for all the heavy lifting.
#
# Usage:
#
# client = Customerio.new("YOUR SITE ID", "YOUR API SECRET KEY")
#
# # Identifying a user with user attributes
# user.email = "user@example.com"
# client.identify(user, { first_name: "Bob", plan: "basic" })
#
# # Tracking a custom event
# client.track(user, name: "purchase", data: { type: "socks", price: "13.99" })
#
class Customerio
  include HTTParty
  base_uri 'https://app.customer.io'

  def initialize(site_id, secret_key)
    @auth = { username: site_id, password: secret_key }
  end

  def identify(customer, attributes= {})
    create_or_update(customer, attributes)
  end

  def track(customer, hash)
    create_or_update(customer)
    create_event(customer, hash)
  end

  private

  def create_or_update(customer, attributes = {})
    body = { 
      id:    customer.id,
      email: customer.email,
      created_at: customer.created_at.to_i
    }.merge(attributes)

    self.class.put(customer_path(customer), options.merge(body: body))
  end

  def create_event(customer, hash)
    self.class.post("#{customer_path(customer)}/events", options.merge(body: hash))
  end

  def customer_path(customer)
    "/api/v1/customers/#{customer.id}"
  end

  def options
    { basic_auth: @auth }
  end
end