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object save needs to be atomic transaction so entire object is saved

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Laura Klünder 2017-06-25 11:51:49 +02:00
parent 7a2854317e
commit 7c5ad70781
1 changed files with 23 additions and 22 deletions
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45
src/c3nav/editor/wrappers.py
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@ -4,7 +4,7 @@ from collections import OrderedDict
from functools import reduce, wraps
from itertools import chain
from django.db import models
from django.db import models, transaction
from django.db.models import Field, FieldDoesNotExist, Manager, ManyToManyRel, Prefetch, Q
from django.utils.functional import cached_property
@ -276,31 +276,32 @@ class ModelInstanceWrapper(BaseWrapper):
author = self._author
if self.pk is None:
self._changeset.add_create(self, author=author)
for field, initial_value in self._initial_values.items():
if field.many_to_one:
try:
new_value = getattr(self._obj, field.get_cache_name())
except AttributeError:
new_value = getattr(self._obj, field.attname)
else:
new_value = None if new_value is None else new_value.pk
with transaction.atomic():
for field, initial_value in self._initial_values.items():
if field.many_to_one:
try:
new_value = getattr(self._obj, field.get_cache_name())
except AttributeError:
new_value = getattr(self._obj, field.attname)
else:
new_value = None if new_value is None else new_value.pk
if new_value != initial_value:
self._changeset.add_update(self, name=field.name, value=new_value, author=author)
continue
if new_value != initial_value:
self._changeset.add_update(self, name=field.name, value=new_value, author=author)
continue
new_value = getattr(self._obj, field.name)
if new_value == initial_value:
continue
new_value = getattr(self._obj, field.name)
if new_value == initial_value:
continue
if field.name == 'titles':
for lang in (set(initial_value.keys()) | set(new_value.keys())):
new_title = new_value.get(lang, '')
if new_title != initial_value.get(lang, ''):
self._changeset.add_update(self, name='title_'+lang, value=new_title, author=author)
continue
if field.name == 'titles':
for lang in (set(initial_value.keys()) | set(new_value.keys())):
new_title = new_value.get(lang, '')
if new_title != initial_value.get(lang, ''):
self._changeset.add_update(self, name='title_'+lang, value=new_title, author=author)
continue
self._changeset.add_update(self, name=field.name, value=field.get_prep_value(new_value), author=author)
self._changeset.add_update(self, name=field.name, value=field.get_prep_value(new_value), author=author)
def delete(self, author=None):
if author is None: