mirror of
https://gitlab.crans.org/bde/nk20
synced 2025-11-04 01:12:08 +01:00
89 lines
2.2 KiB
Python
89 lines
2.2 KiB
Python
# Copyright (C) 2018-2025 by BDE ENS Paris-Saclay
|
|
# SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
from django.conf import settings
|
|
from django.contrib.contenttypes.models import ContentType
|
|
from django.core.exceptions import ValidationError
|
|
from django.db import models
|
|
from django.utils import timezone
|
|
from django.utils.translation import gettext_lazy as _
|
|
|
|
|
|
class Changelog(models.Model):
|
|
"""
|
|
Store each modification in the database (except sessions and logging),
|
|
including creating, editing and deleting models.
|
|
"""
|
|
|
|
user = models.ForeignKey(
|
|
settings.AUTH_USER_MODEL,
|
|
on_delete=models.PROTECT,
|
|
null=True,
|
|
verbose_name=_('user'),
|
|
)
|
|
|
|
ip = models.GenericIPAddressField(
|
|
null=True,
|
|
blank=True,
|
|
verbose_name=_("IP Address")
|
|
)
|
|
|
|
model = models.ForeignKey(
|
|
ContentType,
|
|
on_delete=models.PROTECT,
|
|
null=False,
|
|
blank=False,
|
|
verbose_name=_('model'),
|
|
)
|
|
|
|
instance_pk = models.CharField(
|
|
max_length=255,
|
|
null=False,
|
|
blank=False,
|
|
verbose_name=_('identifier'),
|
|
)
|
|
|
|
previous = models.TextField(
|
|
blank=True,
|
|
default="",
|
|
verbose_name=_('previous data'),
|
|
)
|
|
|
|
data = models.TextField(
|
|
blank=True,
|
|
default="",
|
|
verbose_name=_('new data'),
|
|
)
|
|
|
|
action = models.CharField( # create, edit or delete
|
|
max_length=16,
|
|
null=False,
|
|
blank=False,
|
|
choices=[
|
|
('create', _('create')),
|
|
('edit', _('edit')),
|
|
('delete', _('delete')),
|
|
],
|
|
default='edit',
|
|
verbose_name=_('action'),
|
|
)
|
|
|
|
timestamp = models.DateTimeField(
|
|
null=False,
|
|
blank=False,
|
|
default=timezone.now,
|
|
name='timestamp',
|
|
verbose_name=_('timestamp'),
|
|
)
|
|
|
|
class Meta:
|
|
verbose_name = _("changelog")
|
|
verbose_name_plural = _("changelogs")
|
|
|
|
def __str__(self):
|
|
return _("Changelog of type \"{action}\" for model {model} at {timestamp}").format(
|
|
action=self.get_action_display(), model=str(self.model), timestamp=str(self.timestamp))
|
|
|
|
def delete(self, using=None, keep_parents=False):
|
|
raise ValidationError(_("Logs cannot be destroyed."))
|