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52 lines
1.8 KiB
Python
52 lines
1.8 KiB
Python
from django.core.exceptions import ObjectDoesNotExist
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from drf_spectacular.utils import extend_schema_field
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from rest_framework import serializers
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from core.models import ObjectType
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from extras.models import ImageAttachment
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from netbox.api.fields import ContentTypeField
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from netbox.api.serializers import ValidatedModelSerializer
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from utilities.api import get_serializer_for_model
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__all__ = (
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'ImageAttachmentSerializer',
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)
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class ImageAttachmentSerializer(ValidatedModelSerializer):
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object_type = ContentTypeField(
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queryset=ObjectType.objects.all()
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)
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parent = serializers.SerializerMethodField(read_only=True)
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image_width = serializers.IntegerField(read_only=True)
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image_height = serializers.IntegerField(read_only=True)
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class Meta:
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model = ImageAttachment
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fields = [
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'id', 'url', 'display', 'object_type', 'object_id', 'parent', 'name', 'image',
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'image_height', 'image_width', 'created', 'last_updated',
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]
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brief_fields = ('id', 'url', 'display', 'name', 'image')
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def validate(self, data):
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# Validate that the parent object exists
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try:
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data['object_type'].get_object_for_this_type(id=data['object_id'])
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except ObjectDoesNotExist:
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raise serializers.ValidationError(
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"Invalid parent object: {} ID {}".format(data['object_type'], data['object_id'])
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)
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# Enforce model validation
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super().validate(data)
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return data
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@extend_schema_field(serializers.JSONField(allow_null=True))
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def get_parent(self, obj):
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serializer = get_serializer_for_model(obj.parent)
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context = {'request': self.context['request']}
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return serializer(obj.parent, nested=True, context=context).data
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