bcooksey

class Contact < ActiveRecord::Base

  ...

  def after_create
    if Hook.hooks_exist?('new_contact', self)
      Resque.enqueue(Hook, self.class.name, self.id)
      # To trigger directly without Resque: Hook.trigger('new_contact', self)
    end
  end

bcooksey

class Hook < ActiveRecord::Base
  attr_accessible :event, :account_id, :subscription_url, :target_url
  validates_presence_of :event, :account_id, :subscription_url, :target_url

  # Looks for an appropriate REST hook that matches the record, and triggers the hook if one exists.
  def self.trigger(event, record)
    hooks = Hook.find(:all, :conditions => {
        :event => event,
        :account_id => record.account_id,
      })