view potd/receivers.py @ 953:8647a669edb4

Fix excessive cache usage for forum date/times. Issue #84. Hitting the cache 30+ times while browsing the forums to adjust all the dates/times into the user's time zone. Just hit the user's profile and be done with it. It should be loaded.
author Brian Neal <bgneal@gmail.com>
date Tue, 19 May 2015 21:08:45 -0500
parents 7a795ccd6479
children
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"""
Signal handlers for the potd application.

"""
from django.db.models.signals import post_save, post_delete

from potd.models import Photo, Sequence


def on_photo_save(sender, **kwargs):
    """
    This function is executed when a Photo is saved. It inserts the photo into
    the current sequence.

    """
    photo = kwargs['instance']
    Sequence.objects.insert_photo(photo.pk)


def on_photo_delete(sender, **kwargs):
    """
    This function is executed when a Photo is deleted. It removes the photo from
    the current sequence of photos.

    """
    photo = kwargs['instance']
    Sequence.objects.remove_photo(photo.pk)


post_save.connect(on_photo_save, sender=Photo, dispatch_uid='potd.receivers')
post_delete.connect(on_photo_delete, sender=Photo, dispatch_uid='potd.receivers')