django-project-structure/apps/core/models.py

74 lines
1.7 KiB
Python

import uuid
from django.conf import settings
from django.db import models
from django.utils.translation import gettext_lazy as _
user_model = settings.AUTH_USER_MODEL
class IsDeletedManager(models.Manager):
def get_queryset(self):
return super().get_queryset().filter(is_deleted=False)
class BaseModel(models.Model):
"""
Tracks instance creations, updates, and (soft) deletions.
"""
uid = models.UUIDField(
verbose_name=_("UUID"), unique=True, default=uuid.uuid4, editable=False
)
created_by = models.ForeignKey(
to=user_model,
verbose_name=_("Created by"),
null=True,
blank=True,
related_name="%(class)s_created",
on_delete=models.SET_NULL,
)
created_at = models.DateTimeField(
verbose_name=_("Created at"),
auto_now_add=True,
editable=False,
db_index=True,
)
updated_by = models.ForeignKey(
to=user_model,
verbose_name=_("Updated by"),
null=True,
blank=True,
related_name="%(class)s_updated",
on_delete=models.SET_NULL,
)
updated_at = models.DateTimeField(
verbose_name=_("Updated at"), auto_now=True, null=True, blank=True
)
deleted_by = models.ForeignKey(
to=user_model,
verbose_name=_("Deleted by"),
null=True,
blank=True,
related_name="%(class)s_deleted",
on_delete=models.SET_NULL,
)
deleted_at = models.DateTimeField(verbose_name=_("Deleted at"), null=True, blank=True)
is_deleted = models.BooleanField(verbose_name=_("Is deleted"), default=False)
objects = IsDeletedManager()
objects_all = models.Manager()
class Meta:
abstract = True