mailchimp sync sample

user.rb

class User < ActiveRecord::Base
  def subscribe_mailchimp_list(client = Gibbon.new)
    if ENV["MAILCHIMP_LIST_ID"]
      logger.info "add #{self.email} to list #{ENV["MAILCHIMP_LIST_ID"]}"
      client.list_subscribe(id: ENV["MAILCHIMP_LIST_ID"],
                            email_address: self.email,
                            double_optin: false,
                            send_welcome: false,
                            update_existing: true,
                            merge_vers: {:FNAME => self.first_name,
                                         :LNAME => self.last_name})
    end
  end

  def after_save_subscribe_mailchimp_list
    if finish_sign_up?
      begin
        subscribe_mailchimp_list
      rescue => e
        logger.info "[MAILCHIMP][ERROR] faield to add #{self.id}: #{e}"
        Bugsnag.notify(e, { user_id: self.id })
      end
    end
  end
  after_save :after_save_subscribe_mailchimp_list
end