module FayeRails::Controller::ObserverFactory
Define callbacks into any ORM model.
Public Class Methods
define(klass, method_name, &block)
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# File lib/faye-rails/controller/observer_factory.rb, line 10 def self.define(klass, method_name, &block) # Make a name for the callback module klass_callbacks_name = "#{klass.name}Callbacks" # Load the callback module if exists unless (klass_callbacks = ObserverFactory.observer(klass_callbacks_name)) # Define callback module if one does not exist klass_parent = klass.parent demodulized_callbacks_name = klass_callbacks_name.demodulize klass_callbacks = klass_parent.const_set(demodulized_callbacks_name, Module.new) end # Add the method to the observer klass_callbacks.instance_eval do define_method(method_name, &block) end # Bind model callback klass.send(method_name, klass_callbacks.extend(klass_callbacks)) end
observer(module_name)
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# File lib/faye-rails/controller/observer_factory.rb, line 32 def self.observer(module_name) ref = module_name.constantize return ref if ref.is_a?(Module) nil rescue nil end