# -*- coding: utf-8 -*-

'''

Created on Feb 22, 2013

@author: ymh

'''

from django.db import models

from haystack import signals

class P4lSignalProcessor(signals.BaseSignalProcessor):

    def __connect_signals(self, klass):

        models.signals.post_save.connect(self.handle_save, sender=klass)

        models.signals.post_delete.connect(self.handle_delete, sender=klass)        

    def __disconnect_signals(self, klass):

        models.signals.post_save.disconnect(self.handle_save, sender=klass)

        models.signals.post_delete.disconnect(self.handle_delete, sender=klass)

    def setup(self):

        #put import here to avoid circular         

        from p4l.models.data import Record

        self.__connect_signals(Record)

    def teardown(self):

        from p4l.models.data import Record

        self.__disconnect_signals(Record)