django-orchestra-test/orchestra/apps/webapps/fields.py

33 lines
1.1 KiB
Python
Raw Normal View History

2015-03-27 19:50:54 +00:00
from django.contrib.contenttypes.fields import GenericRelation
from django.db import DEFAULT_DB_ALIAS
from orchestra.apps.databases.models import Database, DatabaseUser
class VirtualDatabaseRelation(GenericRelation):
""" Delete related databases if any """
def bulk_related_objects(self, objs, using=DEFAULT_DB_ALIAS):
pks = []
for obj in objs:
db_id = obj.data.get('db_id')
if db_id:
pks.append(db_id)
if not pks:
return []
# TODO renamed to self.remote_field in django 1.8
return self.rel.to._base_manager.db_manager(using).filter(pk__in=pks)
class VirtualDatabaseUserRelation(GenericRelation):
""" Delete related databases if any """
def bulk_related_objects(self, objs, using=DEFAULT_DB_ALIAS):
pks = []
for obj in objs:
db_id = obj.data.get('db_user_id')
if db_id:
pks.append(db_id)
if not pks:
return []
# TODO renamed to self.remote_field in django 1.8
return self.rel.to._base_manager.db_manager(using).filter(pk__in=pks)