kopia lustrzana https://github.com/jedie/PyInventory
57 wiersze
1.6 KiB
Python
57 wiersze
1.6 KiB
Python
|
import uuid
|
||
|
|
|
||
|
|
from django.db import models
|
||
|
|
from django.utils import timezone
|
||
|
|
from django.utils.translation import ugettext_lazy as _
|
||
|
|
|
||
|
|
|
||
|
|
class BaseModel(models.Model):
|
||
|
|
id = models.UUIDField(
|
||
|
|
primary_key=True,
|
||
|
|
default=uuid.uuid4,
|
||
|
|
editable=False,
|
||
|
|
verbose_name=_('ID')
|
||
|
|
)
|
||
|
|
create_dt = models.DateTimeField(
|
||
|
|
blank=True,
|
||
|
|
null=True,
|
||
|
|
editable=False,
|
||
|
|
verbose_name=_('BaseApproveModel.create_dt.verbose_name'),
|
||
|
|
help_text=_('BaseApproveModel.create_dt.help_text')
|
||
|
|
)
|
||
|
|
update_dt = models.DateTimeField(
|
||
|
|
blank=True,
|
||
|
|
null=True,
|
||
|
|
editable=False,
|
||
|
|
verbose_name=_('BaseApproveModel.update_dt.verbose_name'),
|
||
|
|
help_text=_('BaseApproveModel.update_dt.help_text')
|
||
|
|
)
|
||
|
|
|
||
|
|
def save(self, update_dt=True, **kwargs):
|
||
|
|
if update_dt:
|
||
|
|
if 'update_fields' in kwargs:
|
||
|
|
update_fields = list(kwargs['update_fields'])
|
||
|
|
else:
|
||
|
|
update_fields = None
|
||
|
|
|
||
|
|
self.update_dt = timezone.now()
|
||
|
|
if update_fields:
|
||
|
|
assert 'update_dt' not in update_fields
|
||
|
|
update_fields.append('update_dt')
|
||
|
|
|
||
|
|
if self.create_dt is None:
|
||
|
|
self.create_dt = self.update_dt
|
||
|
|
if update_fields:
|
||
|
|
assert 'create_dt' not in update_fields
|
||
|
|
update_fields.append('create_dt')
|
||
|
|
|
||
|
|
if update_fields:
|
||
|
|
kwargs['update_fields'] = update_fields
|
||
|
|
|
||
|
|
self.full_clean()
|
||
|
|
|
||
|
|
return super().save(**kwargs)
|
||
|
|
|
||
|
|
class Meta:
|
||
|
|
abstract = True
|