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# coding: utf-8
#
import uuid
from django.utils.translation import ugettext_lazy as _
from django.db import models
from django.utils import timezone
from orgs.mixins import OrgModelMixin
from common.utils import date_expired_default, set_or_append_attr_bulk
from orgs.mixins import OrgManager
__all__ = [
'BasePermission',
]
class BasePermissionQuerySet(models.QuerySet):
def active(self):
return self.filter(is_active=True)
def valid(self):
return self.active().filter(date_start__lt=timezone.now()) \
.filter(date_expired__gt=timezone.now())
class BasePermissionManager(OrgManager):
def valid(self):
return self.get_queryset().valid()
class BasePermission(OrgModelMixin):
id = models.UUIDField(default=uuid.uuid4, primary_key=True)
name = models.CharField(max_length=128, verbose_name=_('Name'))
users = models.ManyToManyField('users.User', blank=True, verbose_name=_("User"))
user_groups = models.ManyToManyField('users.UserGroup', blank=True, verbose_name=_("User group"))
is_active = models.BooleanField(default=True, verbose_name=_('Active'))
date_start = models.DateTimeField(default=timezone.now, db_index=True, verbose_name=_("Date start"))
date_expired = models.DateTimeField(default=date_expired_default, db_index=True, verbose_name=_('Date expired'))
created_by = models.CharField(max_length=128, blank=True, verbose_name=_('Created by'))
date_created = models.DateTimeField(auto_now_add=True, verbose_name=_('Date created'))
comment = models.TextField(verbose_name=_('Comment'), blank=True)
objects = BasePermissionManager.from_queryset(BasePermissionQuerySet)()
class Meta:
abstract = True
def __str__(self):
return self.name
@property
def id_str(self):
return str(self.id)
@property
def is_expired(self):
if self.date_expired > timezone.now() > self.date_start:
return False
return True
@property
def is_valid(self):
if not self.is_expired and self.is_active:
return True
return False
def get_all_users(self):
users = set(self.users.all())
for group in self.user_groups.all():
_users = group.users.all()
set_or_append_attr_bulk(_users, 'inherit', group.name)
users.update(set(_users))
return users