def check_object_deleted_tags(sender, **kwargs):
'''Each object that gets deleted is checked for association with tags. If
this associations exist they are deleted'''
# Get the tagged items list
obj = kwargs['instance']
content_type = ContentType.objects.get_for_model(obj)
try:
tag_list = TaggedItem.objects.filter( content_type__exact = content_type,
object_id__exact = obj.id )
except AttributeError:
# The django session onjects have no id attribute
return
# Delete the tags
for tagged_item in tag_list:
del_tagged_item(tagged_item)
def untag_object(request, item_id ):
context = {}
try:
tagged_item = TaggedItem.objects.get(pk = item_id)
except ObjectDoesNotExist:
context['success'] = False
context['message'] = 'Etiqueta não existe'
return context
user = tagged_item.tag.user
if request.user != user:
raise PermissionDenied
del_tagged_item( tagged_item )
context['success'] = True
context['message'] = 'Etiqueta removida'
return context
