From 8f407214338f183367d19c60ea5c976332e67c9f Mon Sep 17 00:00:00 2001
From: Sylvain Le Bon <sylvain@happy-dev.fr>
Date: Sun, 3 Jun 2018 20:28:16 +0200
Subject: [PATCH] bugfix: fixed error on related model when using a custom
lookup field
---
djangoldp/serializers.py | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/djangoldp/serializers.py b/djangoldp/serializers.py
index 8ccc6d3f..ef684a99 100644
--- a/djangoldp/serializers.py
+++ b/djangoldp/serializers.py
@@ -4,6 +4,7 @@ from django.utils.datastructures import MultiValueDictKeyError
from rest_framework.relations import HyperlinkedRelatedField, ManyRelatedField
from rest_framework.serializers import HyperlinkedModelSerializer, ListSerializer, CharField
from rest_framework.utils.serializer_helpers import ReturnDict
+from rest_framework.utils.field_mapping import get_nested_relation_kwargs
class ContainerSerializer(ListSerializer):
def to_representation(self, data):
@@ -28,9 +29,19 @@ class JsonLdRelatedField(HyperlinkedRelatedField):
except ImproperlyConfigured:
return value.pk
+class JsonLdIdentityField(JsonLdRelatedField):
+ def __init__(self, view_name=None, **kwargs):
+ kwargs['read_only'] = True
+ kwargs['source'] = '*'
+ super(JsonLdIdentityField, self).__init__(view_name, **kwargs)
+
+ def use_pk_only_optimization(self):
+ return False
+
class LDPSerializer(HyperlinkedModelSerializer):
url_field_name = "@id"
serializer_related_field = JsonLdRelatedField
+ serializer_url_field = JsonLdIdentityField
def get_default_field_names(self, declared_fields, model_info):
return super().get_default_field_names(declared_fields, model_info) + list(getattr(self.Meta, 'extra_fields', []))
@@ -41,6 +52,16 @@ class LDPSerializer(HyperlinkedModelSerializer):
data['@type'] = obj._meta.rdf_type
return data
+ def build_nested_field(self, field_name, relation_info, nested_depth):
+ print(nested_depth)
+ class NestedSerializer(self.__class__):
+ class Meta:
+ model = relation_info.related_model
+ depth = nested_depth - 1
+ fields = '__all__'
+
+ return NestedSerializer, get_nested_relation_kwargs(relation_info)
+
@classmethod
def many_init(cls, *args, **kwargs):
kwargs['child'] = cls()
--
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