jumpserver/apps/perms/serializers/asset/permission.py

82 lines
2.9 KiB
Python

# -*- coding: utf-8 -*-
#
from rest_framework import serializers
from django.utils.translation import ugettext_lazy as _
from django.db.models import Prefetch
from orgs.mixins.serializers import BulkOrgResourceModelSerializer
from perms.models import AssetPermission, Action
from assets.models import Asset, Node, SystemUser
from users.models import User, UserGroup
__all__ = [
'AssetPermissionSerializer',
'ActionsField',
]
class ActionsField(serializers.MultipleChoiceField):
def __init__(self, *args, **kwargs):
kwargs['choices'] = Action.CHOICES
super().__init__(*args, **kwargs)
def to_representation(self, value):
return Action.value_to_choices(value)
def to_internal_value(self, data):
if data is None:
return data
return Action.choices_to_value(data)
class ActionsDisplayField(ActionsField):
def to_representation(self, value):
values = super().to_representation(value)
choices = dict(Action.CHOICES)
return [choices.get(i) for i in values]
class AssetPermissionSerializer(BulkOrgResourceModelSerializer):
actions = ActionsField(required=False, allow_null=True)
is_valid = serializers.BooleanField(read_only=True)
is_expired = serializers.BooleanField(read_only=True)
class Meta:
model = AssetPermission
mini_fields = ['id', 'name']
small_fields = mini_fields + [
'is_active', 'is_expired', 'is_valid', 'actions',
'created_by', 'date_created', 'date_expired',
'date_start', 'comment'
]
m2m_fields = [
'users', 'user_groups', 'assets', 'nodes', 'system_users',
'users_amount', 'user_groups_amount', 'assets_amount',
'nodes_amount', 'system_users_amount',
]
fields = small_fields + m2m_fields
read_only_fields = ['created_by', 'date_created']
extra_kwargs = {
'is_expired': {'label': _('Is expired')},
'is_valid': {'label': _('Is valid')},
'actions': {'label': _('Actions')},
'users_amount': {'label': _('Users amount')},
'user_groups_amount': {'label': _('User groups amount')},
'assets_amount': {'label': _('Assets amount')},
'nodes_amount': {'label': _('Nodes amount')},
'system_users_amount': {'label': _('System users amount')},
}
@classmethod
def setup_eager_loading(cls, queryset):
""" Perform necessary eager loading of data. """
queryset = queryset.prefetch_related(
Prefetch('system_users', queryset=SystemUser.objects.only('id')),
Prefetch('user_groups', queryset=UserGroup.objects.only('id')),
Prefetch('users', queryset=User.objects.only('id')),
Prefetch('assets', queryset=Asset.objects.only('id')),
Prefetch('nodes', queryset=Node.objects.only('id'))
)
return queryset