Sha256: 4d6f63d2de478ab9dd215b910cd94930ed227065067ed2805545b27545725598
Contents?: true
Size: 1018 Bytes
Versions: 8
Compression:
Stored size: 1018 Bytes
Contents
require 'active_record'
module FayeRails
class Controller
# Define callbacks into any ORM model.
module ObserverFactory
# Create
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_callbacks = Object.const_set(klass_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
def self.observer(module_name)
ref = Module.const_get(module_name)
return ref if ref.is_a?(Module)
nil
rescue
nil
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems