Bug Fixes: Url ID field

Fix bugs: URLField represents ids of resources

djangoldp/models.py

 from django.conf import settings
 from django.db import models
 from django.urls import get_resolver
+from rest_framework import fields
 
 
 class Model(models.Model):
@@ -70,6 +71,12 @@ class Model(models.Model):
         return path
 
 
+class LDPUrlField (fields.URLField):
+    def to_representation(self, value):
+        str = super(LDPUrlField, self).to_representation(value)
+        return {'@id': str}
+
+
 class LDPSource(models.Model):
     container = models.URLField()
     federation = models.CharField(max_length=255)

djangoldp/serializers.py

@@ -18,6 +18,12 @@ from rest_framework.utils.serializer_helpers import ReturnDict
 
 from djangoldp.models import Model
 
+from rest_framework.serializers import HyperlinkedModelSerializer, ListSerializer, ModelSerializer
+from rest_framework.utils.field_mapping import get_nested_relation_kwargs
+from rest_framework.utils.serializer_helpers import ReturnDict
+
+from django.db import models as django_models
+from djangoldp import models
 
 class LDListMixin:
     def to_internal_value(self, data):
@@ -163,6 +169,8 @@ class LDPSerializer(HyperlinkedModelSerializer):
     url_field_name = "@id"
     serializer_related_field = JsonLdRelatedField
     serializer_url_field = JsonLdIdentityField
+    ModelSerializer.serializer_field_mapping [django_models.URLField] = models.LDPUrlField
+
 
     @property
     def data(self):

djangoldp/tests/tests.py

@@ -36,6 +36,7 @@ class TestUserPermissions (TestCase):
         response = my_view(request)
         self.assertEqual(response.status_code, 201)
 
+
 class TestAnonymousUserPermissions (TestCase):
     def setUp(self):
         self.factory = RequestFactory()