web_hook.rb

class WebHook < ActiveRecord::Base
  
  class << self

    # Pushes a job onto a queue
    def visit!(visit)
      JobQueue.new(:events).push({
        :type => 'visit',
        :visit_id => visit.id,
        :user_id => visit.user_id,
        :spot_id => visit.spot_id
      })
    end

    # Processes a job from the queue -- safe to run in parallel
    def process
      JobQueue.new(:events).pop do |options|
        hooks = WebHook.all(:conditions => { :event => "new_visit", :spot_id => options[:spot_id] })
        hooks.each do |hook|
          hook.fire(options)
        end
      end
    end
    
  end
  
  def fire(options)
    # make an HTTP POST...
  end

end