@classmethod
def delete_related(cls, ref_type, ref_pk):
deleted = 0
query = cls.objects.filter(ref_type=ref_type, ref_pk=str(ref_pk))
for instance in query:
instance.delete()
deleted += 1
return deleted
#---------------------------------------------------------------------------------------------------
def delete_related_comments(sender, **kwargs):
if sender != Comment:
try:
instance = kwargs["instance"]
deleted = Comment.delete_related(ref_type=sender.__name__, ref_pk=instance.pk)
if deleted > 0:
logging.info("%s related comments have been deleted successfully." % deleted)
except Exception, exc:
logging.error("Failed to delete related comments on instance: %s" % exc)
logging.exception(exc)
pre_delete.connect(delete_related_comments)
# EOF
@classmethod
def delete_related(cls, activity):
deleted = 0
query = cls.objects.filter(activity=activity)
for instance in query:
instance.delete()
deleted += 1
return deleted
#---------------------------------------------------------------------------------------------------
def delete_related_attenders(sender, **kwargs):
if sender == Activity:
try:
activity = kwargs["instance"]
deleted = Attender.delete_related(activity=activity)
if deleted > 0:
logging.info("%s related attenders have been deleted successfully." % deleted)
except Exception, exc:
logging.error("Failed to delete related attenders of activity: %s" % exc)
logging.exception(exc)
pre_delete.connect(delete_related_attenders, sender=Activity)
# EOF
@classmethod
def delete_related(cls, resto):
deleted = 0
query = cls.objects.filter(resto=resto)
for instance in query:
instance.delete()
deleted += 1
return deleted
#---------------------------------------------------------------------------------------------------
def delete_related_dishes(sender, **kwargs):
if sender == Resto:
try:
resto = kwargs["instance"]
deleted = Dish.delete_related(resto=resto)
if deleted > 0:
logging.info("%s related dishes have been deleted successfully." % deleted)
except Exception, exc:
logging.error("Failed to delete related dishes on resto: %s" % exc)
logging.exception(exc)
pre_delete.connect(delete_related_dishes, sender=Resto)
# EOF
def delete_related_fans(sender, **kwargs):
if sender != Fan:
try:
instance = kwargs["instance"]
deleted = Fan.delete_related(ref_type=sender.__name__, ref_pk=instance.pk)
if deleted > 0:
logging.info("%s related fans have been deleted successfully." % deleted)
except Exception, exc:
logging.error("Failed to delete related fans of instance: %s" % exc)
logging.exception(exc)
def delete_related_faves(sender, **kwargs):
if sender != Fave:
try:
instance = kwargs["instance"]
deleted = Fave.delete_related(ref_type=sender.__name__, ref_pk=instance.pk)
if deleted > 0:
logging.info("%s related faves have been deleted successfully." % deleted)
except Exception, exc:
logging.error("Failed to delete related faves of instance: %s" % exc)
logging.exception(exc)
pre_delete.connect(delete_related_fans)
pre_delete.connect(delete_related_faves)
# EOF