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jumpserver/apps/assets/serializers/domain.py

84 lines
3.1 KiB

# -*- coding: utf-8 -*-
#
from django.db.models import Count, Q
from django.utils.translation import gettext_lazy as _
from rest_framework import serializers
from assets.models.gateway import Gateway
from common.serializers import ResourceLabelsMixin
from common.serializers.fields import ObjectRelatedField
from orgs.mixins.serializers import BulkOrgResourceModelSerializer
from .gateway import GatewayWithAccountSecretSerializer
from ..models import Domain
__all__ = ['DomainSerializer', 'DomainWithGatewaySerializer', 'DomainListSerializer']
class DomainSerializer(ResourceLabelsMixin, BulkOrgResourceModelSerializer):
gateways = ObjectRelatedField(
many=True, required=False, label=_('Gateway'), queryset=Gateway.objects,
help_text=_(
"A gateway is a network proxy for a zone, and when connecting assets within the zone, "
"the connection is routed through the gateway.")
)
assets_amount = serializers.IntegerField(label=_('Assets amount'), read_only=True)
class Meta:
model = Domain
fields_mini = ['id', 'name']
fields_small = fields_mini + ['comment']
fields_m2m = ['assets', 'gateways', 'assets_amount']
read_only_fields = ['date_created']
fields = fields_small + fields_m2m + read_only_fields
extra_kwargs = {
'assets': {'required': False},
}
def to_representation(self, instance):
data = super().to_representation(instance)
assets = data.get('assets')
if assets is None:
return data
gateway_ids = [str(i['id']) for i in data['gateways']]
data['assets'] = [i for i in assets if str(i['id']) not in gateway_ids]
return data
def create(self, validated_data):
assets = validated_data.pop('assets', [])
gateways = validated_data.pop('gateways', [])
validated_data['assets'] = assets + gateways
return super().create(validated_data)
def update(self, instance, validated_data):
assets = validated_data.pop('assets', list(instance.assets.all()))
gateways = validated_data.pop('gateways', list(instance.gateways.all()))
validated_data['assets'] = assets + gateways
return super().update(instance, validated_data)
@classmethod
def setup_eager_loading(cls, queryset):
queryset = queryset \
.annotate(assets_amount=Count('assets')) \
.prefetch_related('labels', 'labels__label')
return queryset
class DomainListSerializer(DomainSerializer):
class Meta(DomainSerializer.Meta):
fields = list(set(DomainSerializer.Meta.fields + ['assets_amount']) - {'assets'})
@classmethod
def setup_eager_loading(cls, queryset):
queryset = queryset.annotate(
assets_amount=Count('assets', filter=~Q(assets__platform__name='Gateway'), distinct=True),
)
return queryset
class DomainWithGatewaySerializer(serializers.ModelSerializer):
gateways = GatewayWithAccountSecretSerializer(many=True, read_only=True)
class Meta:
model = Domain
fields = '__all__'