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62 lines
2.1 KiB
62 lines
2.1 KiB
# -*- coding: utf-8 -*-
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#
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from django.db.models import Count, Q
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from django.utils.translation import gettext_lazy as _
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from rest_framework import serializers
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from common.serializers.fields import ObjectRelatedField
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from common.serializers.mixin import ResourceLabelsMixin
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from orgs.mixins.serializers import BulkOrgResourceModelSerializer
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from .. import utils
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from ..models import User, UserGroup
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__all__ = [
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'UserGroupSerializer', 'UserGroupListSerializer',
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]
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class UserGroupSerializer(ResourceLabelsMixin, BulkOrgResourceModelSerializer):
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users = ObjectRelatedField(
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required=False, many=True, queryset=User.objects,
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attrs=("id", "name", "is_service_account"), label=_('User'),
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)
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class Meta:
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model = UserGroup
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fields_mini = ['id', 'name']
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fields_small = fields_mini + [
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'comment', 'date_created', 'created_by'
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]
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fields = fields_mini + fields_small + ['users', 'labels']
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extra_kwargs = {
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'created_by': {'label': _('Created by'), 'read_only': True},
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'id': {'label': _('ID')},
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}
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.set_fields_queryset()
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def set_fields_queryset(self):
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users_field = self.fields.get('users')
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if users_field:
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users_field.child_relation.queryset = utils.get_current_org_members()
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@classmethod
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def setup_eager_loading(cls, queryset):
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""" Perform necessary eager loading of data. """
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queryset = queryset.prefetch_related('labels', 'labels__label') \
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.annotate(users_amount=Count('users', distinct=True, filter=Q(users__is_service_account=False)))
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return queryset
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class UserGroupListSerializer(UserGroupSerializer):
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users_amount = serializers.IntegerField(label=_('Users amount'), read_only=True)
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class Meta(UserGroupSerializer.Meta):
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fields = list(set(UserGroupSerializer.Meta.fields + ['users_amount']) - {'users'})
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extra_kwargs = {
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**UserGroupSerializer.Meta.extra_kwargs,
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'users_amount': {'label': _('Users amount')},
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}
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