Make the Mixpanel gem work with Rails Active Job. Should work with any background job backend.

mixpanel_async_tracker.rb

# Make Mixpanel work with Rails Active Job.
# Should work with any background job backend.

class MixpanelAsyncTracker < Mixpanel::Tracker

  def initialize
    super(ENV['MIXPANEL_TOKEN']) do |*message|
      SendMessage.perform_later(message.to_json)
    end
  end

  class SendMessage < ApplicationJob
    def perform(message)
      args = JSON.parse(message)

      Mixpanel::Consumer.new.send!(*args)
    end
  end

end

usage.rb

tracker = MixpanelAsyncTracker.new

# Tracking is the same
tracker.track('User', 'EventName')