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jumpserver/apps/users/serializers/group.py

54 lines
1.7 KiB

# -*- coding: utf-8 -*-
#
from django.utils.translation import ugettext_lazy as _
from django.db.models import Prefetch
from rest_framework import serializers
from orgs.mixins.serializers import BulkOrgResourceModelSerializer
from django.db.models import Count
from ..models import User, UserGroup
from .. import utils
__all__ = [
'UserGroupSerializer',
]
class UserGroupSerializer(BulkOrgResourceModelSerializer):
users = serializers.PrimaryKeyRelatedField(
required=False, many=True, queryset=User.objects, label=_('User'),
# write_only=True, # group can return many to many on detail
)
class Meta:
model = UserGroup
fields_mini = ['id', 'name']
fields_small = fields_mini + [
'comment', 'date_created', 'created_by'
]
fields = fields_mini + fields_small + [
'users', 'users_amount',
]
extra_kwargs = {
'created_by': {'label': _('Created by'), 'read_only': True},
'users_amount': {'label': _('Users amount')},
'id': {'label': _('ID')},
}
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.set_fields_queryset()
def set_fields_queryset(self):
users_field = self.fields.get('users')
if users_field:
users_field.child_relation.queryset = utils.get_current_org_members()
@classmethod
def setup_eager_loading(cls, queryset):
""" Perform necessary eager loading of data. """
queryset = queryset.prefetch_related(
Prefetch('users', queryset=User.objects.only('id'))
).annotate(users_amount=Count('users'))
return queryset