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121 lines
3.6 KiB
121 lines
3.6 KiB
# coding: utf-8
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#
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import uuid
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from django.utils.translation import ugettext_lazy as _
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from django.db import models
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from django.db.models import Q
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from django.utils import timezone
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from orgs.mixins.models import OrgModelMixin
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from common.db.models import UnionQuerySet
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from common.utils import date_expired_default, lazyproperty
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from orgs.mixins.models import OrgManager
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__all__ = [
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'BasePermission', 'BasePermissionQuerySet'
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]
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class BasePermissionQuerySet(models.QuerySet):
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def active(self):
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return self.filter(is_active=True)
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def valid(self):
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return self.active().filter(date_start__lt=timezone.now()) \
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.filter(date_expired__gt=timezone.now())
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def inactive(self):
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return self.filter(is_active=False)
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def invalid(self):
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now = timezone.now()
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q = (
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Q(is_active=False) |
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Q(date_start__gt=now) |
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Q(date_expired__lt=now)
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)
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return self.filter(q)
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class BasePermissionManager(OrgManager):
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def valid(self):
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return self.get_queryset().valid()
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class BasePermission(OrgModelMixin):
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id = models.UUIDField(default=uuid.uuid4, primary_key=True)
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name = models.CharField(max_length=128, verbose_name=_('Name'))
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users = models.ManyToManyField('users.User', blank=True, verbose_name=_("User"), related_name='%(class)ss')
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user_groups = models.ManyToManyField('users.UserGroup', blank=True, verbose_name=_("User group"), related_name='%(class)ss')
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is_active = models.BooleanField(default=True, verbose_name=_('Active'))
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date_start = models.DateTimeField(default=timezone.now, db_index=True, verbose_name=_("Date start"))
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date_expired = models.DateTimeField(default=date_expired_default, db_index=True, verbose_name=_('Date expired'))
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created_by = models.CharField(max_length=128, blank=True, verbose_name=_('Created by'))
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date_created = models.DateTimeField(auto_now_add=True, verbose_name=_('Date created'))
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comment = models.TextField(verbose_name=_('Comment'), blank=True)
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objects = BasePermissionManager.from_queryset(BasePermissionQuerySet)()
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class Meta:
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abstract = True
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def __str__(self):
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return self.name
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@property
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def id_str(self):
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return str(self.id)
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@property
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def is_expired(self):
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if self.date_expired > timezone.now() > self.date_start:
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return False
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return True
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@property
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def is_valid(self):
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if not self.is_expired and self.is_active:
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return True
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return False
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@property
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def all_users(self):
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from users.models import User
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users_query = self._meta.get_field('users').related_query_name()
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user_groups_query = self._meta.get_field('user_groups').related_query_name()
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users_q = Q(**{
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f'{users_query}': self
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})
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user_groups_q = Q(**{
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f'groups__{user_groups_query}': self
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})
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return User.objects.filter(users_q | user_groups_q).distinct()
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def get_all_users(self):
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from users.models import User
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user_ids = self.users.all().values_list('id', flat=True)
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group_ids = self.user_groups.all().values_list('id', flat=True)
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user_ids = list(user_ids)
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group_ids = list(group_ids)
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qs1 = User.objects.filter(id__in=user_ids).distinct()
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qs2 = User.objects.filter(groups__id__in=group_ids).distinct()
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qs = UnionQuerySet(qs1, qs2)
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return qs
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@lazyproperty
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def users_amount(self):
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return self.users.count()
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@lazyproperty
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def user_groups_amount(self):
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return self.user_groups.count()
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