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django-admin-sortable-fixwin
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Enables support for primary keys that are not AutoFields. 

Specially useful when using UUIDs as primary keys.
master
Ruben Dura Tari 2016-10-11 18:53:45 +01:00
parent 0e4a5b11e4
commit 3c2935776e
1 changed files with 6 additions and 1 deletions
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7
adminsortable/models.py
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@ -1,5 +1,6 @@
from django.contrib.contenttypes.models import ContentType from django.contrib.contenttypes.models import ContentType
from django.db import models from django.db import models
from django.utils import version
from adminsortable.fields import SortableForeignKey from adminsortable.fields import SortableForeignKey
@ -87,7 +88,11 @@ class SortableMixin(models.Model):
'typecast to an integer.' 'typecast to an integer.'
def save(self, *args, **kwargs): def save(self, *args, **kwargs):
if not self.pk: major, minor, _, _, _ = version.get_complete_version()
needs_default = (self._state.adding
if major == 1 and minor >= 8
else not self.pk)
if needs_default:
try: try:
current_max = self.__class__.objects.aggregate( current_max = self.__class__.objects.aggregate(
models.Max(self.order_field_name))[self.order_field_name + '__max'] or 0 models.Max(self.order_field_name))[self.order_field_name + '__max'] or 0